diff options
Diffstat (limited to 'drivers/gpio')
115 files changed, 2282 insertions, 3238 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index b18bea08ff25..c88dd24a4b1f 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -134,8 +134,8 @@ config GPIO_BCM_KONA config GPIO_BRCMSTB tristate "BRCMSTB GPIO support" - default y if ARCH_BRCMSTB - depends on OF_GPIO && (ARCH_BRCMSTB || COMPILE_TEST) + default y if (ARCH_BRCMSTB || BMIPS_GENERIC) + depends on OF_GPIO && (ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST) select GPIO_GENERIC select GPIOLIB_IRQCHIP help @@ -344,13 +344,6 @@ config GPIO_RCAR help Say yes here to support GPIO on Renesas R-Car SoCs. -config GPIO_SAMSUNG - bool - depends on PLAT_SAMSUNG - help - Legacy GPIO support. Use only for platforms without support for - pinctrl. - config GPIO_SPEAR_SPICS bool "ST SPEAr13xx SPI Chip Select as GPIO support" depends on PLAT_SPEAR @@ -496,8 +489,21 @@ menu "Port-mapped I/O GPIO drivers" config GPIO_104_IDIO_16 tristate "ACCES 104-IDIO-16 GPIO support" + select GPIOLIB_IRQCHIP help - Enables GPIO support for the ACCES 104-IDIO-16 family. + Enables GPIO support for the ACCES 104-IDIO-16 family. The base port + address for the device may be set via the idio_16_base module + parameter. The interrupt line number for the device may be set via the + idio_16_irq module parameter. + +config GPIO_104_IDI_48 + tristate "ACCES 104-IDI-48 GPIO support" + select GPIOLIB_IRQCHIP + help + Enables GPIO support for the ACCES 104-IDI-48 family. The base port + address for the device may be configured via the idi_48_base module + parameter. The interrupt line number for the device may be configured + via the idi_48_irq module parameter. config GPIO_F7188X tristate "F71869, F71869A, F71882FG and F71889F GPIO support" @@ -907,7 +913,6 @@ menu "PCI GPIO expanders" config GPIO_AMD8111 tristate "AMD 8111 GPIO driver" - depends on PCI help The AMD 8111 south bridge contains 32 GPIO pins which can be used. @@ -919,7 +924,7 @@ config GPIO_AMD8111 config GPIO_BT8XX tristate "BT8XX GPIO abuser" - depends on PCI && VIDEO_BT848=n + depends on VIDEO_BT848=n help The BT8xx frame grabber chip has 24 GPIO pins that can be abused as a cheap PCI GPIO card. @@ -935,14 +940,13 @@ config GPIO_BT8XX config GPIO_INTEL_MID bool "Intel Mid GPIO support" - depends on PCI && X86 + depends on X86 select GPIOLIB_IRQCHIP help Say Y here to support Intel Mid GPIO. config GPIO_ML_IOH tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support" - depends on PCI select GENERIC_IRQ_CHIP help ML7213 is companion chip for Intel Atom E6xx series. @@ -952,7 +956,7 @@ config GPIO_ML_IOH config GPIO_PCH tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO" - depends on PCI && (X86_32 || COMPILE_TEST) + depends on X86_32 || MIPS || COMPILE_TEST select GENERIC_IRQ_CHIP help This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff @@ -968,7 +972,6 @@ config GPIO_PCH config GPIO_RDC321X tristate "RDC R-321x GPIO support" - depends on PCI select MFD_CORE select MFD_RDC321X help @@ -977,7 +980,7 @@ config GPIO_RDC321X config GPIO_SODAVILLE bool "Intel Sodaville GPIO support" - depends on X86 && PCI && OF + depends on X86 && OF select GPIO_GENERIC select GENERIC_IRQ_CHIP help @@ -1028,7 +1031,7 @@ menu "USB GPIO expanders" config GPIO_VIPERBOARD tristate "Viperboard GPIO a & b support" - depends on MFD_VIPERBOARD && USB + depends on MFD_VIPERBOARD help Say yes here to access the GPIO signals of Nano River Technologies Viperboard. There are two GPIO chips on the diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 986dbd838cea..ece7d7cbdc80 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -13,6 +13,7 @@ obj-$(CONFIG_GPIO_ACPI) += gpiolib-acpi.o obj-$(CONFIG_GPIO_GENERIC) += gpio-generic.o obj-$(CONFIG_GPIO_104_IDIO_16) += gpio-104-idio-16.o +obj-$(CONFIG_GPIO_104_IDI_48) += gpio-104-idi-48.o obj-$(CONFIG_GPIO_74X164) += gpio-74x164.o obj-$(CONFIG_GPIO_74XX_MMIO) += gpio-74xx-mmio.o obj-$(CONFIG_GPIO_ADNP) += gpio-adnp.o @@ -79,7 +80,6 @@ obj-$(CONFIG_GPIO_PXA) += gpio-pxa.o obj-$(CONFIG_GPIO_RC5T583) += gpio-rc5t583.o obj-$(CONFIG_GPIO_RDC321X) += gpio-rdc321x.o obj-$(CONFIG_GPIO_RCAR) += gpio-rcar.o -obj-$(CONFIG_GPIO_SAMSUNG) += gpio-samsung.o obj-$(CONFIG_ARCH_SA1100) += gpio-sa1100.o obj-$(CONFIG_GPIO_SCH) += gpio-sch.o obj-$(CONFIG_GPIO_SCH311X) += gpio-sch311x.o diff --git a/drivers/gpio/gpio-104-idi-48.c b/drivers/gpio/gpio-104-idi-48.c new file mode 100644 index 000000000000..52eed328ce99 --- /dev/null +++ b/drivers/gpio/gpio-104-idi-48.c @@ -0,0 +1,343 @@ +/* + * GPIO driver for the ACCES 104-IDI-48 family + * Copyright (C) 2015 William Breathitt Gray + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#include <linux/bitops.h> +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/gpio/driver.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/interrupt.h> +#include <linux/irqdesc.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/platform_device.h> +#include <linux/spinlock.h> + +static unsigned idi_48_base; +module_param(idi_48_base, uint, 0); +MODULE_PARM_DESC(idi_48_base, "ACCES 104-IDI-48 base address"); +static unsigned idi_48_irq; +module_param(idi_48_irq, uint, 0); +MODULE_PARM_DESC(idi_48_irq, "ACCES 104-IDI-48 interrupt line number"); + +/** + * struct idi_48_gpio - GPIO device private data structure + * @chip: instance of the gpio_chip + * @lock: synchronization lock to prevent I/O race conditions + * @ack_lock: synchronization lock to prevent IRQ handler race conditions + * @irq_mask: input bits affected by interrupts + * @base: base port address of the GPIO device + * @extent: extent of port address region of the GPIO device + * @irq: Interrupt line number + * @cos_enb: Change-Of-State IRQ enable boundaries mask + */ +struct idi_48_gpio { + struct gpio_chip chip; + spinlock_t lock; + spinlock_t ack_lock; + unsigned char irq_mask[6]; + unsigned base; + unsigned extent; + unsigned irq; + unsigned char cos_enb; +}; + +static int idi_48_gpio_get_direction(struct gpio_chip *chip, unsigned offset) +{ + return 1; +} + +static int idi_48_gpio_direction_input(struct gpio_chip *chip, unsigned offset) +{ + return 0; +} + +static int idi_48_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + struct idi_48_gpio *const idi48gpio = gpiochip_get_data(chip); + unsigned i; + const unsigned register_offset[6] = { 0, 1, 2, 4, 5, 6 }; + unsigned base_offset; + unsigned mask; + + for (i = 0; i < 48; i += 8) + if (offset < i + 8) { + base_offset = register_offset[i / 8]; + mask = BIT(offset - i); + + return !!(inb(idi48gpio->base + base_offset) & mask); + } + + /* The following line should never execute since offset < 48 */ + return 0; +} + +static void idi_48_irq_ack(struct irq_data *data) +{ +} + +static void idi_48_irq_mask(struct irq_data *data) +{ + struct gpio_chip *chip = irq_data_get_irq_chip_data(data); + struct idi_48_gpio *const idi48gpio = gpiochip_get_data(chip); + const unsigned offset = irqd_to_hwirq(data); + unsigned i; + unsigned mask; + unsigned boundary; + unsigned long flags; + + for (i = 0; i < 48; i += 8) + if (offset < i + 8) { + mask = BIT(offset - i); + boundary = i / 8; + + idi48gpio->irq_mask[boundary] &= ~mask; + + if (!idi48gpio->irq_mask[boundary]) { + idi48gpio->cos_enb &= ~BIT(boundary); + + spin_lock_irqsave(&idi48gpio->lock, flags); + + outb(idi48gpio->cos_enb, idi48gpio->base + 7); + + spin_unlock_irqrestore(&idi48gpio->lock, flags); + } + + return; + } +} + +static void idi_48_irq_unmask(struct irq_data *data) +{ + struct gpio_chip *chip = irq_data_get_irq_chip_data(data); + struct idi_48_gpio *const idi48gpio = gpiochip_get_data(chip); + const unsigned offset = irqd_to_hwirq(data); + unsigned i; + unsigned mask; + unsigned boundary; + unsigned prev_irq_mask; + unsigned long flags; + + for (i = 0; i < 48; i += 8) + if (offset < i + 8) { + mask = BIT(offset - i); + boundary = i / 8; + prev_irq_mask = idi48gpio->irq_mask[boundary]; + + idi48gpio->irq_mask[boundary] |= mask; + + if (!prev_irq_mask) { + idi48gpio->cos_enb |= BIT(boundary); + + spin_lock_irqsave(&idi48gpio->lock, flags); + + outb(idi48gpio->cos_enb, idi48gpio->base + 7); + + spin_unlock_irqrestore(&idi48gpio->lock, flags); + } + + return; + } +} + +static int idi_48_irq_set_type(struct irq_data *data, unsigned flow_type) +{ + /* The only valid irq types are none and both-edges */ + if (flow_type != IRQ_TYPE_NONE && + (flow_type & IRQ_TYPE_EDGE_BOTH) != IRQ_TYPE_EDGE_BOTH) + return -EINVAL; + + return 0; +} + +static struct irq_chip idi_48_irqchip = { + .name = "104-idi-48", + .irq_ack = idi_48_irq_ack, + .irq_mask = idi_48_irq_mask, + .irq_unmask = idi_48_irq_unmask, + .irq_set_type = idi_48_irq_set_type +}; + +static irqreturn_t idi_48_irq_handler(int irq, void *dev_id) +{ + struct idi_48_gpio *const idi48gpio = dev_id; + unsigned long cos_status; + unsigned long boundary; + unsigned long irq_mask; + unsigned long bit_num; + unsigned long gpio; + struct gpio_chip *const chip = &idi48gpio->chip; + + spin_lock(&idi48gpio->ack_lock); + + spin_lock(&idi48gpio->lock); + + cos_status = inb(idi48gpio->base + 7); + + spin_unlock(&idi48gpio->lock); + + /* IRQ Status (bit 6) is active low (0 = IRQ generated by device) */ + if (cos_status & BIT(6)) { + spin_unlock(&idi48gpio->ack_lock); + return IRQ_NONE; + } + + /* Bit 0-5 indicate which Change-Of-State boundary triggered the IRQ */ + cos_status &= 0x3F; + + for_each_set_bit(boundary, &cos_status, 6) { + irq_mask = idi48gpio->irq_mask[boundary]; + + for_each_set_bit(bit_num, &irq_mask, 8) { + gpio = bit_num + boundary * 8; + + generic_handle_irq(irq_find_mapping(chip->irqdomain, + gpio)); + } + } + + spin_unlock(&idi48gpio->ack_lock); + + return IRQ_HANDLED; +} + +static int __init idi_48_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct idi_48_gpio *idi48gpio; + const unsigned base = idi_48_base; + const unsigned extent = 8; + const char *const name = dev_name(dev); + int err; + const unsigned irq = idi_48_irq; + + idi48gpio = devm_kzalloc(dev, sizeof(*idi48gpio), GFP_KERNEL); + if (!idi48gpio) + return -ENOMEM; + + if (!request_region(base, extent, name)) { + dev_err(dev, "Unable to lock %s port addresses (0x%X-0x%X)\n", + name, base, base + extent); + err = -EBUSY; + goto err_lock_io_port; + } + + idi48gpio->chip.label = name; + idi48gpio->chip.parent = dev; + idi48gpio->chip.owner = THIS_MODULE; + idi48gpio->chip.base = -1; + idi48gpio->chip.ngpio = 48; + idi48gpio->chip.get_direction = idi_48_gpio_get_direction; + idi48gpio->chip.direction_input = idi_48_gpio_direction_input; + idi48gpio->chip.get = idi_48_gpio_get; + idi48gpio->base = base; + idi48gpio->extent = extent; + idi48gpio->irq = irq; + + spin_lock_init(&idi48gpio->lock); + + dev_set_drvdata(dev, idi48gpio); + + err = gpiochip_add_data(&idi48gpio->chip, idi48gpio); + if (err) { + dev_err(dev, "GPIO registering failed (%d)\n", err); + goto err_gpio_register; + } + + /* Disable IRQ by default */ + outb(0, base + 7); + inb(base + 7); + + err = gpiochip_irqchip_add(&idi48gpio->chip, &idi_48_irqchip, 0, + handle_edge_irq, IRQ_TYPE_NONE); + if (err) { + dev_err(dev, "Could not add irqchip (%d)\n", err); + goto err_gpiochip_irqchip_add; + } + + err = request_irq(irq, idi_48_irq_handler, 0, name, idi48gpio); + if (err) { + dev_err(dev, "IRQ handler registering failed (%d)\n", err); + goto err_request_irq; + } + + return 0; + +err_request_irq: +err_gpiochip_irqchip_add: + gpiochip_remove(&idi48gpio->chip); +err_gpio_register: + release_region(base, extent); +err_lock_io_port: + return err; +} + +static int idi_48_remove(struct platform_device *pdev) +{ + struct idi_48_gpio *const idi48gpio = platform_get_drvdata(pdev); + + free_irq(idi48gpio->irq, idi48gpio); + gpiochip_remove(&idi48gpio->chip); + release_region(idi48gpio->base, idi48gpio->extent); + + return 0; +} + +static struct platform_device *idi_48_device; + +static struct platform_driver idi_48_driver = { + .driver = { + .name = "104-idi-48" + }, + .remove = idi_48_remove +}; + +static void __exit idi_48_exit(void) +{ + platform_device_unregister(idi_48_device); + platform_driver_unregister(&idi_48_driver); +} + +static int __init idi_48_init(void) +{ + int err; + + idi_48_device = platform_device_alloc(idi_48_driver.driver.name, -1); + if (!idi_48_device) + return -ENOMEM; + + err = platform_device_add(idi_48_device); + if (err) + goto err_platform_device; + + err = platform_driver_probe(&idi_48_driver, idi_48_probe); + if (err) + goto err_platform_driver; + + return 0; + +err_platform_driver: + platform_device_del(idi_48_device); +err_platform_device: + platform_device_put(idi_48_device); + return err; +} + +module_init(idi_48_init); +module_exit(idi_48_exit); + +MODULE_AUTHOR("William Breathitt Gray <vilhelm.gray@gmail.com>"); +MODULE_DESCRIPTION("ACCES 104-IDI-48 GPIO driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/gpio/gpio-104-idio-16.c b/drivers/gpio/gpio-104-idio-16.c index 5400d7d4d8fd..4d69b50b2d84 100644 --- a/drivers/gpio/gpio-104-idio-16.c +++ b/drivers/gpio/gpio-104-idio-16.c @@ -11,11 +11,14 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ +#include <linux/bitops.h> #include <linux/device.h> #include <linux/errno.h> #include <linux/gpio/driver.h> #include <linux/io.h> #include <linux/ioport.h> +#include <linux/interrupt.h> +#include <linux/irqdesc.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/moduleparam.h> @@ -25,20 +28,27 @@ static unsigned idio_16_base; module_param(idio_16_base, uint, 0); MODULE_PARM_DESC(idio_16_base, "ACCES 104-IDIO-16 base address"); +static unsigned idio_16_irq; +module_param(idio_16_irq, uint, 0); +MODULE_PARM_DESC(idio_16_irq, "ACCES 104-IDIO-16 interrupt line number"); /** * struct idio_16_gpio - GPIO device private data structure * @chip: instance of the gpio_chip - * @lock: synchronization lock to prevent gpio_set race conditions + * @lock: synchronization lock to prevent I/O race conditions + * @irq_mask: I/O bits affected by interrupts * @base: base port address of the GPIO device * @extent: extent of port address region of the GPIO device + * @irq: Interrupt line number * @out_state: output bits state */ struct idio_16_gpio { struct gpio_chip chip; spinlock_t lock; + unsigned long irq_mask; unsigned base; unsigned extent; + unsigned irq; unsigned out_state; }; @@ -62,29 +72,24 @@ static int idio_16_gpio_direction_output(struct gpio_chip *chip, return 0; } -static struct idio_16_gpio *to_idio16gpio(struct gpio_chip *gc) -{ - return container_of(gc, struct idio_16_gpio, chip); -} - static int idio_16_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct idio_16_gpio *const idio16gpio = to_idio16gpio(chip); - const unsigned BIT_MASK = 1U << (offset-16); + struct idio_16_gpio *const idio16gpio = gpiochip_get_data(chip); + const unsigned mask = BIT(offset-16); if (offset < 16) return -EINVAL; if (offset < 24) - return !!(inb(idio16gpio->base + 1) & BIT_MASK); + return !!(inb(idio16gpio->base + 1) & mask); - return !!(inb(idio16gpio->base + 5) & (BIT_MASK>>8)); + return !!(inb(idio16gpio->base + 5) & (mask>>8)); } static void idio_16_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct idio_16_gpio *const idio16gpio = to_idio16gpio(chip); - const unsigned BIT_MASK = 1U << offset; + struct idio_16_gpio *const idio16gpio = gpiochip_get_data(chip); + const unsigned mask = BIT(offset); unsigned long flags; if (offset > 15) @@ -93,9 +98,9 @@ static void idio_16_gpio_set(struct gpio_chip *chip, unsigned offset, int value) spin_lock_irqsave(&idio16gpio->lock, flags); if (value) - idio16gpio->out_state |= BIT_MASK; + idio16gpio->out_state |= mask; else - idio16gpio->out_state &= ~BIT_MASK; + idio16gpio->out_state &= ~mask; if (offset > 7) outb(idio16gpio->out_state >> 8, idio16gpio->base + 4); @@ -105,29 +110,106 @@ static void idio_16_gpio_set(struct gpio_chip *chip, unsigned offset, int value) spin_unlock_irqrestore(&idio16gpio->lock, flags); } +static void idio_16_irq_ack(struct irq_data *data) +{ +} + +static void idio_16_irq_mask(struct irq_data *data) +{ + struct gpio_chip *chip = irq_data_get_irq_chip_data(data); + struct idio_16_gpio *const idio16gpio = gpiochip_get_data(chip); + const unsigned long mask = BIT(irqd_to_hwirq(data)); + unsigned long flags; + + idio16gpio->irq_mask &= ~mask; + + if (!idio16gpio->irq_mask) { + spin_lock_irqsave(&idio16gpio->lock, flags); + + outb(0, idio16gpio->base + 2); + + spin_unlock_irqrestore(&idio16gpio->lock, flags); + } +} + +static void idio_16_irq_unmask(struct irq_data *data) +{ + struct gpio_chip *chip = irq_data_get_irq_chip_data(data); + struct idio_16_gpio *const idio16gpio = gpiochip_get_data(chip); + const unsigned long mask = BIT(irqd_to_hwirq(data)); + const unsigned long prev_irq_mask = idio16gpio->irq_mask; + unsigned long flags; + + idio16gpio->irq_mask |= mask; + + if (!prev_irq_mask) { + spin_lock_irqsave(&idio16gpio->lock, flags); + + inb(idio16gpio->base + 2); + + spin_unlock_irqrestore(&idio16gpio->lock, flags); + } +} + +static int idio_16_irq_set_type(struct irq_data *data, unsigned flow_type) +{ + /* The only valid irq types are none and both-edges */ + if (flow_type != IRQ_TYPE_NONE && + (flow_type & IRQ_TYPE_EDGE_BOTH) != IRQ_TYPE_EDGE_BOTH) + return -EINVAL; + + return 0; +} + +static struct irq_chip idio_16_irqchip = { + .name = "104-idio-16", + .irq_ack = idio_16_irq_ack, + .irq_mask = idio_16_irq_mask, + .irq_unmask = idio_16_irq_unmask, + .irq_set_type = idio_16_irq_set_type +}; + +static irqreturn_t idio_16_irq_handler(int irq, void *dev_id) +{ + struct idio_16_gpio *const idio16gpio = dev_id; + struct gpio_chip *const chip = &idio16gpio->chip; + int gpio; + + for_each_set_bit(gpio, &idio16gpio->irq_mask, chip->ngpio) + generic_handle_irq(irq_find_mapping(chip->irqdomain, gpio)); + + spin_lock(&idio16gpio->lock); + + outb(0, idio16gpio->base + 1); + + spin_unlock(&idio16gpio->lock); + + return IRQ_HANDLED; +} + static int __init idio_16_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct idio_16_gpio *idio16gpio; + const unsigned base = idio_16_base; + const unsigned extent = 8; + const char *const name = dev_name(dev); int err; - - const unsigned BASE = idio_16_base; - const unsigned EXTENT = 8; - const char *const NAME = dev_name(dev); + const unsigned irq = idio_16_irq; idio16gpio = devm_kzalloc(dev, sizeof(*idio16gpio), GFP_KERNEL); if (!idio16gpio) return -ENOMEM; - if (!request_region(BASE, EXTENT, NAME)) { + if (!request_region(base, extent, name)) { dev_err(dev, "Unable to lock %s port addresses (0x%X-0x%X)\n", - NAME, BASE, BASE + EXTENT); + name, base, base + extent); err = -EBUSY; goto err_lock_io_port; } - idio16gpio->chip.label = NAME; - idio16gpio->chip.dev = dev; + idio16gpio->chip.label = name; + idio16gpio->chip.parent = dev; idio16gpio->chip.owner = THIS_MODULE; idio16gpio->chip.base = -1; idio16gpio->chip.ngpio = 32; @@ -136,24 +218,45 @@ static int __init idio_16_probe(struct platform_device *pdev) idio16gpio->chip.direction_output = idio_16_gpio_direction_output; idio16gpio->chip.get = idio_16_gpio_get; idio16gpio->chip.set = idio_16_gpio_set; - idio16gpio->base = BASE; - idio16gpio->extent = EXTENT; + idio16gpio->base = base; + idio16gpio->extent = extent; + idio16gpio->irq = irq; idio16gpio->out_state = 0xFFFF; spin_lock_init(&idio16gpio->lock); dev_set_drvdata(dev, idio16gpio); - err = gpiochip_add(&idio16gpio->chip); + err = gpiochip_add_data(&idio16gpio->chip, idio16gpio); if (err) { dev_err(dev, "GPIO registering failed (%d)\n", err); goto err_gpio_register; } + /* Disable IRQ by default */ + outb(0, base + 2); + outb(0, base + 1); + + err = gpiochip_irqchip_add(&idio16gpio->chip, &idio_16_irqchip, 0, + handle_edge_irq, IRQ_TYPE_NONE); + if (err) { + dev_err(dev, "Could not add irqchip (%d)\n", err); + goto err_gpiochip_irqchip_add; + } + + err = request_irq(irq, idio_16_irq_handler, 0, name, idio16gpio); + if (err) { + dev_err(dev, "IRQ handler registering failed (%d)\n", err); + goto err_request_irq; + } + return 0; +err_request_irq: +err_gpiochip_irqchip_add: + gpiochip_remove(&idio16gpio->chip); err_gpio_register: - release_region(BASE, EXTENT); + release_region(base, extent); err_lock_io_port: return err; } @@ -162,6 +265,7 @@ static int idio_16_remove(struct platform_device *pdev) { struct idio_16_gpio *const idio16gpio = platform_get_drvdata(pdev); + free_irq(idio16gpio->irq, idio16gpio); gpiochip_remove(&idio16gpio->chip); release_region(idio16gpio->base, idio16gpio->extent); diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c index 60172f835d15..c81224ff2dca 100644 --- a/drivers/gpio/gpio-74x164.c +++ b/drivers/gpio/gpio-74x164.c @@ -20,56 +20,34 @@ #define GEN_74X164_NUMBER_GPIOS 8 struct gen_74x164_chip { - u8 *buffer; struct gpio_chip gpio_chip; struct mutex lock; u32 registers; -}; - -static struct gen_74x164_chip *gpio_to_74x164_chip(struct gpio_chip *gc) -{ - return container_of(gc, struct gen_74x164_chip, gpio_chip); -} - -static int __gen_74x164_write_config(struct gen_74x164_chip *chip) -{ - struct spi_device *spi = to_spi_device(chip->gpio_chip.dev); - struct spi_message message; - struct spi_transfer *msg_buf; - int i, ret = 0; - - msg_buf = kzalloc(chip->registers * sizeof(struct spi_transfer), - GFP_KERNEL); - if (!msg_buf) - return -ENOMEM; - - spi_message_init(&message); - /* * Since the registers are chained, every byte sent will make * the previous byte shift to the next register in the - * chain. Thus, the first byte send will end up in the last + * chain. Thus, the first byte sent will end up in the last * register at the end of the transfer. So, to have a logical - * numbering, send the bytes in reverse order so that the last - * byte of the buffer will end up in the last register. + * numbering, store the bytes in reverse order. */ - for (i = chip->registers - 1; i >= 0; i--) { - msg_buf[i].tx_buf = chip->buffer + i; - msg_buf[i].len = sizeof(u8); - spi_message_add_tail(msg_buf + i, &message); - } - - ret = spi_sync(spi, &message); + u8 buffer[0]; +}; - kfree(msg_buf); +static int __gen_74x164_write_config(struct gen_74x164_chip *chip) +{ + struct spi_transfer xfer = { + .tx_buf = chip->buffer, + .len = chip->registers, + }; - return ret; + return spi_sync_transfer(to_spi_device(chip->gpio_chip.parent), + &xfer, 1); } static int gen_74x164_get_value(struct gpio_chip *gc, unsigned offset) { - struct gen_74x164_chip *chip = gpio_to_74x164_chip(gc); - u8 bank = offset / 8; + struct gen_74x164_chip *chip = gpiochip_get_data(gc); + u8 bank = chip->registers - 1 - offset / 8; u8 pin = offset % 8; int ret; @@ -83,8 +61,8 @@ static int gen_74x164_get_value(struct gpio_chip *gc, unsigned offset) static void gen_74x164_set_value(struct gpio_chip *gc, unsigned offset, int val) { - struct gen_74x164_chip *chip = gpio_to_74x164_chip(gc); - u8 bank = offset / 8; + struct gen_74x164_chip *chip = gpiochip_get_data(gc); + u8 bank = chip->registers - 1 - offset / 8; u8 pin = offset % 8; mutex_lock(&chip->lock); @@ -107,6 +85,7 @@ static int gen_74x164_direction_output(struct gpio_chip *gc, static int gen_74x164_probe(struct spi_device *spi) { struct gen_74x164_chip *chip; + u32 nregs; int ret; /* @@ -118,7 +97,14 @@ static int gen_74x164_probe(struct spi_device *spi) if (ret < 0) return ret; - chip = devm_kzalloc(&spi->dev, sizeof(*chip), GFP_KERNEL); + if (of_property_read_u32(spi->dev.of_node, "registers-number", + &nregs)) { + dev_err(&spi->dev, + "Missing registers-number property in the DT.\n"); + return -EINVAL; + } + + chip = devm_kzalloc(&spi->dev, sizeof(*chip) + nregs, GFP_KERNEL); if (!chip) return -ENOMEM; @@ -130,20 +116,11 @@ static int gen_74x164_probe(struct spi_device *spi) chip->gpio_chip.set = gen_74x164_set_value; chip->gpio_chip.base = -1; - if (of_property_read_u32(spi->dev.of_node, "registers-number", - &chip->registers)) { - dev_err(&spi->dev, - "Missing registers-number property in the DT.\n"); - return -EINVAL; - } - + chip->registers = nregs; chip->gpio_chip.ngpio = GEN_74X164_NUMBER_GPIOS * chip->registers; - chip->buffer = devm_kzalloc(&spi->dev, chip->registers, GFP_KERNEL); - if (!chip->buffer) - return -ENOMEM; chip->gpio_chip.can_sleep = true; - chip->gpio_chip.dev = &spi->dev; + chip->gpio_chip.parent = &spi->dev; chip->gpio_chip.owner = THIS_MODULE; mutex_init(&chip->lock); @@ -154,7 +131,7 @@ static int gen_74x164_probe(struct spi_device *spi) goto exit_destroy; } - ret = gpiochip_add(&chip->gpio_chip); + ret = gpiochip_add_data(&chip->gpio_chip, chip); if (!ret) return 0; diff --git a/drivers/gpio/gpio-74xx-mmio.c b/drivers/gpio/gpio-74xx-mmio.c index 6b186829087c..372b0e01adc6 100644 --- a/drivers/gpio/gpio-74xx-mmio.c +++ b/drivers/gpio/gpio-74xx-mmio.c @@ -10,10 +10,9 @@ */ #include <linux/err.h> -#include <linux/gpio.h> #include <linux/module.h> #include <linux/of_device.h> -#include <linux/basic_mmio_gpio.h> +#include <linux/gpio/driver.h> #include <linux/platform_device.h> #define MMIO_74XX_DIR_IN (0 << 8) @@ -21,7 +20,7 @@ #define MMIO_74XX_BIT_CNT(x) ((x) & 0xff) struct mmio_74xx_gpio_priv { - struct bgpio_chip bgc; + struct gpio_chip gc; unsigned flags; }; @@ -78,30 +77,23 @@ static const struct of_device_id mmio_74xx_gpio_ids[] = { }; MODULE_DEVICE_TABLE(of, mmio_74xx_gpio_ids); -static inline struct mmio_74xx_gpio_priv *to_74xx_gpio(struct gpio_chip *gc) -{ - struct bgpio_chip *bgc = to_bgpio_chip(gc); - - return container_of(bgc, struct mmio_74xx_gpio_priv, bgc); -} - static int mmio_74xx_get_direction(struct gpio_chip *gc, unsigned offset) { - struct mmio_74xx_gpio_priv *priv = to_74xx_gpio(gc); + struct mmio_74xx_gpio_priv *priv = gpiochip_get_data(gc); - return (priv->flags & MMIO_74XX_DIR_OUT) ? GPIOF_DIR_OUT : GPIOF_DIR_IN; + return !(priv->flags & MMIO_74XX_DIR_OUT); } static int mmio_74xx_dir_in(struct gpio_chip *gc, unsigned int gpio) { - struct mmio_74xx_gpio_priv *priv = to_74xx_gpio(gc); + struct mmio_74xx_gpio_priv *priv = gpiochip_get_data(gc); return (priv->flags & MMIO_74XX_DIR_OUT) ? -ENOTSUPP : 0; } static int mmio_74xx_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) { - struct mmio_74xx_gpio_priv *priv = to_74xx_gpio(gc); + struct mmio_74xx_gpio_priv *priv = gpiochip_get_data(gc); if (priv->flags & MMIO_74XX_DIR_OUT) { gc->set(gc, gpio, val); @@ -134,28 +126,29 @@ static int mmio_74xx_gpio_probe(struct platform_device *pdev) priv->flags = (uintptr_t) of_id->data; - err = bgpio_init(&priv->bgc, &pdev->dev, + err = bgpio_init(&priv->gc, &pdev->dev, DIV_ROUND_UP(MMIO_74XX_BIT_CNT(priv->flags), 8), dat, NULL, NULL, NULL, NULL, 0); if (err) return err; - priv->bgc.gc.direction_input = mmio_74xx_dir_in; - priv->bgc.gc.direction_output = mmio_74xx_dir_out; - priv->bgc.gc.get_direction = mmio_74xx_get_direction; - priv->bgc.gc.ngpio = MMIO_74XX_BIT_CNT(priv->flags); - priv->bgc.gc.owner = THIS_MODULE; + priv->gc.direction_input = mmio_74xx_dir_in; + priv->gc.direction_output = mmio_74xx_dir_out; + priv->gc.get_direction = mmio_74xx_get_direction; + priv->gc.ngpio = MMIO_74XX_BIT_CNT(priv->flags); + priv->gc.owner = THIS_MODULE; platform_set_drvdata(pdev, priv); - return gpiochip_add(&priv->bgc.gc); + return gpiochip_add_data(&priv->gc, priv); } static int mmio_74xx_gpio_remove(struct platform_device *pdev) { struct mmio_74xx_gpio_priv *priv = platform_get_drvdata(pdev); - return bgpio_remove(&priv->bgc); + gpiochip_remove(&priv->gc); + return 0; } static struct platform_driver mmio_74xx_gpio_driver = { diff --git a/drivers/gpio/gpio-adnp.c b/drivers/gpio/gpio-adnp.c index d3d0a90fe542..fb5b47b69f14 100644 --- a/drivers/gpio/gpio-adnp.c +++ b/drivers/gpio/gpio-adnp.c @@ -36,18 +36,13 @@ struct adnp { u8 *irq_low; }; -static inline struct adnp *to_adnp(struct gpio_chip *chip) -{ - return container_of(chip, struct adnp, gpio); -} - static int adnp_read(struct adnp *adnp, unsigned offset, uint8_t *value) { int err; err = i2c_smbus_read_byte_data(adnp->client, offset); if (err < 0) { - dev_err(adnp->gpio.dev, "%s failed: %d\n", + dev_err(adnp->gpio.parent, "%s failed: %d\n", "i2c_smbus_read_byte_data()", err); return err; } @@ -62,7 +57,7 @@ static int adnp_write(struct adnp *adnp, unsigned offset, uint8_t value) err = i2c_smbus_write_byte_data(adnp->client, offset, value); if (err < 0) { - dev_err(adnp->gpio.dev, "%s failed: %d\n", + dev_err(adnp->gpio.parent, "%s failed: %d\n", "i2c_smbus_write_byte_data()", err); return err; } @@ -72,7 +67,7 @@ static int adnp_write(struct adnp *adnp, unsigned offset, uint8_t value) static int adnp_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct adnp *adnp = to_adnp(chip); + struct adnp *adnp = gpiochip_get_data(chip); unsigned int reg = offset >> adnp->reg_shift; unsigned int pos = offset & 7; u8 value; @@ -106,7 +101,7 @@ static void __adnp_gpio_set(struct adnp *adnp, unsigned offset, int value) static void adnp_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct adnp *adnp = to_adnp(chip); + struct adnp *adnp = gpiochip_get_data(chip); mutex_lock(&adnp->i2c_lock); __adnp_gpio_set(adnp, offset, value); @@ -115,7 +110,7 @@ static void adnp_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int adnp_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - struct adnp *adnp = to_adnp(chip); + struct adnp *adnp = gpiochip_get_data(chip); unsigned int reg = offset >> adnp->reg_shift; unsigned int pos = offset & 7; u8 value; @@ -150,7 +145,7 @@ out: static int adnp_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - struct adnp *adnp = to_adnp(chip); + struct adnp *adnp = gpiochip_get_data(chip); unsigned int reg = offset >> adnp->reg_shift; unsigned int pos = offset & 7; int err; @@ -187,7 +182,7 @@ out: static void adnp_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) { - struct adnp *adnp = to_adnp(chip); + struct adnp *adnp = gpiochip_get_data(chip); unsigned int num_regs = 1 << adnp->reg_shift, i, j; int err; @@ -266,11 +261,11 @@ static int adnp_gpio_setup(struct adnp *adnp, unsigned int num_gpios) chip->base = -1; chip->ngpio = num_gpios; chip->label = adnp->client->name; - chip->dev = &adnp->client->dev; - chip->of_node = chip->dev->of_node; + chip->parent = &adnp->client->dev; + chip->of_node = chip->parent->of_node; chip->owner = THIS_MODULE; - err = gpiochip_add(chip); + err = gpiochip_add_data(chip, adnp); if (err) return err; @@ -340,7 +335,7 @@ static irqreturn_t adnp_irq(int irq, void *data) static void adnp_irq_mask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct adnp *adnp = to_adnp(gc); + struct adnp *adnp = gpiochip_get_data(gc); unsigned int reg = d->hwirq >> adnp->reg_shift; unsigned int pos = d->hwirq & 7; @@ -350,7 +345,7 @@ static void adnp_irq_mask(struct irq_data *d) static void adnp_irq_unmask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct adnp *adnp = to_adnp(gc); + struct adnp *adnp = gpiochip_get_data(gc); unsigned int reg = d->hwirq >> adnp->reg_shift; unsigned int pos = d->hwirq & 7; @@ -360,7 +355,7 @@ static void adnp_irq_unmask(struct irq_data *d) static int adnp_irq_set_type(struct irq_data *d, unsigned int type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct adnp *adnp = to_adnp(gc); + struct adnp *adnp = gpiochip_get_data(gc); unsigned int reg = d->hwirq >> adnp->reg_shift; unsigned int pos = d->hwirq & 7; @@ -390,7 +385,7 @@ static int adnp_irq_set_type(struct irq_data *d, unsigned int type) static void adnp_irq_bus_lock(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct adnp *adnp = to_adnp(gc); + struct adnp *adnp = gpiochip_get_data(gc); mutex_lock(&adnp->irq_lock); } @@ -398,7 +393,7 @@ static void adnp_irq_bus_lock(struct irq_data *d) static void adnp_irq_bus_unlock(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct adnp *adnp = to_adnp(gc); + struct adnp *adnp = gpiochip_get_data(gc); unsigned int num_regs = 1 << adnp->reg_shift, i; mutex_lock(&adnp->i2c_lock); @@ -435,7 +430,8 @@ static int adnp_irq_setup(struct adnp *adnp) * is chosen to match the register layout of the hardware in that * each segment contains the corresponding bits for all interrupts. */ - adnp->irq_enable = devm_kzalloc(chip->dev, num_regs * 6, GFP_KERNEL); + adnp->irq_enable = devm_kzalloc(chip->parent, num_regs * 6, + GFP_KERNEL); if (!adnp->irq_enable) return -ENOMEM; @@ -462,12 +458,12 @@ static int adnp_irq_setup(struct adnp *adnp) adnp->irq_enable[i] = 0x00; } - err = devm_request_threaded_irq(chip->dev, adnp->client->irq, + err = devm_request_threaded_irq(chip->parent, adnp->client->irq, NULL, adnp_irq, IRQF_TRIGGER_RISING | IRQF_ONESHOT, - dev_name(chip->dev), adnp); + dev_name(chip->parent), adnp); if (err != 0) { - dev_err(chip->dev, "can't request IRQ#%d: %d\n", + dev_err(chip->parent, "can't request IRQ#%d: %d\n", adnp->client->irq, err); return err; } @@ -478,7 +474,7 @@ static int adnp_irq_setup(struct adnp *adnp) handle_simple_irq, IRQ_TYPE_NONE); if (err) { - dev_err(chip->dev, + dev_err(chip->parent, "could not connect irqchip to gpiochip\n"); return err; } @@ -547,7 +543,6 @@ MODULE_DEVICE_TABLE(of, adnp_of_match); static struct i2c_driver adnp_i2c_driver = { .driver = { .name = "gpio-adnp", - .owner = THIS_MODULE, .of_match_table = adnp_of_match, }, .probe = adnp_i2c_probe, diff --git a/drivers/gpio/gpio-adp5520.c b/drivers/gpio/gpio-adp5520.c index caff711ca5a9..4fa7ff1fec9a 100644 --- a/drivers/gpio/gpio-adp5520.c +++ b/drivers/gpio/gpio-adp5520.c @@ -27,7 +27,7 @@ static int adp5520_gpio_get_value(struct gpio_chip *chip, unsigned off) struct adp5520_gpio *dev; uint8_t reg_val; - dev = container_of(chip, struct adp5520_gpio, gpio_chip); + dev = gpiochip_get_data(chip); /* * There are dedicated registers for GPIO IN/OUT. @@ -46,7 +46,7 @@ static void adp5520_gpio_set_value(struct gpio_chip *chip, unsigned off, int val) { struct adp5520_gpio *dev; - dev = container_of(chip, struct adp5520_gpio, gpio_chip); + dev = gpiochip_get_data(chip); if (val) adp5520_set_bits(dev->master, ADP5520_GPIO_OUT, dev->lut[off]); @@ -57,7 +57,7 @@ static void adp5520_gpio_set_value(struct gpio_chip *chip, static int adp5520_gpio_direction_input(struct gpio_chip *chip, unsigned off) { struct adp5520_gpio *dev; - dev = container_of(chip, struct adp5520_gpio, gpio_chip); + dev = gpiochip_get_data(chip); clear_bit(off, &dev->output); @@ -70,7 +70,7 @@ static int adp5520_gpio_direction_output(struct gpio_chip *chip, { struct adp5520_gpio *dev; int ret = 0; - dev = container_of(chip, struct adp5520_gpio, gpio_chip); + dev = gpiochip_get_data(chip); set_bit(off, &dev->output); @@ -153,7 +153,7 @@ static int adp5520_gpio_probe(struct platform_device *pdev) goto err; } - ret = gpiochip_add(&dev->gpio_chip); + ret = gpiochip_add_data(&dev->gpio_chip, dev); if (ret) goto err; diff --git a/drivers/gpio/gpio-adp5588.c b/drivers/gpio/gpio-adp5588.c index 984186ee58a0..19a0eba1e942 100644 --- a/drivers/gpio/gpio-adp5588.c +++ b/drivers/gpio/gpio-adp5588.c @@ -65,8 +65,7 @@ static int adp5588_gpio_write(struct i2c_client *client, u8 reg, u8 val) static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off) { - struct adp5588_gpio *dev = - container_of(chip, struct adp5588_gpio, gpio_chip); + struct adp5588_gpio *dev = gpiochip_get_data(chip); unsigned bank = ADP5588_BANK(off); unsigned bit = ADP5588_BIT(off); int val; @@ -87,8 +86,7 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip, unsigned off, int val) { unsigned bank, bit; - struct adp5588_gpio *dev = - container_of(chip, struct adp5588_gpio, gpio_chip); + struct adp5588_gpio *dev = gpiochip_get_data(chip); bank = ADP5588_BANK(off); bit = ADP5588_BIT(off); @@ -108,8 +106,7 @@ static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off) { int ret; unsigned bank; - struct adp5588_gpio *dev = - container_of(chip, struct adp5588_gpio, gpio_chip); + struct adp5588_gpio *dev = gpiochip_get_data(chip); bank = ADP5588_BANK(off); @@ -126,8 +123,7 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip, { int ret; unsigned bank, bit; - struct adp5588_gpio *dev = - container_of(chip, struct adp5588_gpio, gpio_chip); + struct adp5588_gpio *dev = gpiochip_get_data(chip); bank = ADP5588_BANK(off); bit = ADP5588_BIT(off); @@ -152,8 +148,8 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip, #ifdef CONFIG_GPIO_ADP5588_IRQ static int adp5588_gpio_to_irq(struct gpio_chip *chip, unsigned off) { - struct adp5588_gpio *dev = - container_of(chip, struct adp5588_gpio, gpio_chip); + struct adp5588_gpio *dev = gpiochip_get_data(chip); + return dev->irq_base + off; } @@ -418,7 +414,7 @@ static int adp5588_gpio_probe(struct i2c_client *client, } } - ret = gpiochip_add(&dev->gpio_chip); + ret = gpiochip_add_data(&dev->gpio_chip, dev); if (ret) goto err_irq; diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c index 3e6661bab54a..2aeaebd1c6e7 100644 --- a/drivers/gpio/gpio-altera.c +++ b/drivers/gpio/gpio-altera.c @@ -42,11 +42,6 @@ struct altera_gpio_chip { int mapped_irq; }; -static struct altera_gpio_chip *to_altera(struct gpio_chip *gc) -{ - return container_of(gc, struct altera_gpio_chip, mmchip.gc); -} - static void altera_gpio_irq_unmask(struct irq_data *d) { struct altera_gpio_chip *altera_gc; @@ -54,7 +49,7 @@ static void altera_gpio_irq_unmask(struct irq_data *d) unsigned long flags; u32 intmask; - altera_gc = to_altera(irq_data_get_irq_chip_data(d)); + altera_gc = gpiochip_get_data(irq_data_get_irq_chip_data(d)); mm_gc = &altera_gc->mmchip; spin_lock_irqsave(&altera_gc->gpio_lock, flags); @@ -72,7 +67,7 @@ static void altera_gpio_irq_mask(struct irq_data *d) unsigned long flags; u32 intmask; - altera_gc = to_altera(irq_data_get_irq_chip_data(d)); + altera_gc = gpiochip_get_data(irq_data_get_irq_chip_data(d)); mm_gc = &altera_gc->mmchip; spin_lock_irqsave(&altera_gc->gpio_lock, flags); @@ -92,7 +87,7 @@ static int altera_gpio_irq_set_type(struct irq_data *d, { struct altera_gpio_chip *altera_gc; - altera_gc = to_altera(irq_data_get_irq_chip_data(d)); + altera_gc = gpiochip_get_data(irq_data_get_irq_chip_data(d)); if (type == IRQ_TYPE_NONE) return 0; @@ -145,7 +140,7 @@ static void altera_gpio_set(struct gpio_chip *gc, unsigned offset, int value) unsigned int data_reg; mm_gc = to_of_mm_gpio_chip(gc); - chip = container_of(mm_gc, struct altera_gpio_chip, mmchip); + chip = gpiochip_get_data(gc); spin_lock_irqsave(&chip->gpio_lock, flags); data_reg = readl(mm_gc->regs + ALTERA_GPIO_DATA); @@ -165,7 +160,7 @@ static int altera_gpio_direction_input(struct gpio_chip *gc, unsigned offset) unsigned int gpio_ddr; mm_gc = to_of_mm_gpio_chip(gc); - chip = container_of(mm_gc, struct altera_gpio_chip, mmchip); + chip = gpiochip_get_data(gc); spin_lock_irqsave(&chip->gpio_lock, flags); /* Set pin as input, assumes software controlled IP */ @@ -186,7 +181,7 @@ static int altera_gpio_direction_output(struct gpio_chip *gc, unsigned int data_reg, gpio_ddr; mm_gc = to_of_mm_gpio_chip(gc); - chip = container_of(mm_gc, struct altera_gpio_chip, mmchip); + chip = gpiochip_get_data(gc); spin_lock_irqsave(&chip->gpio_lock, flags); /* Sets the GPIO value */ @@ -215,7 +210,7 @@ static void altera_gpio_irq_edge_handler(struct irq_desc *desc) unsigned long status; int i; - altera_gc = to_altera(irq_desc_get_handler_data(desc)); + altera_gc = gpiochip_get_data(irq_desc_get_handler_data(desc)); chip = irq_desc_get_chip(desc); mm_gc = &altera_gc->mmchip; irqdomain = altera_gc->mmchip.gc.irqdomain; @@ -244,7 +239,7 @@ static void altera_gpio_irq_leveL_high_handler(struct irq_desc *desc) unsigned long status; int i; - altera_gc = to_altera(irq_desc_get_handler_data(desc)); + altera_gc = gpiochip_get_data(irq_desc_get_handler_data(desc)); chip = irq_desc_get_chip(desc); mm_gc = &altera_gc->mmchip; irqdomain = altera_gc->mmchip.gc.irqdomain; @@ -290,9 +285,9 @@ static int altera_gpio_probe(struct platform_device *pdev) altera_gc->mmchip.gc.get = altera_gpio_get; altera_gc->mmchip.gc.set = altera_gpio_set; altera_gc->mmchip.gc.owner = THIS_MODULE; - altera_gc->mmchip.gc.dev = &pdev->dev; + altera_gc->mmchip.gc.parent = &pdev->dev; - ret = of_mm_gpiochip_add(node, &altera_gc->mmchip); + ret = of_mm_gpiochip_add_data(node, &altera_gc->mmchip, altera_gc); if (ret) { dev_err(&pdev->dev, "Failed adding memory mapped gpiochip\n"); return ret; diff --git a/drivers/gpio/gpio-amd8111.c b/drivers/gpio/gpio-amd8111.c index d00d81928fe8..c7040fffc5b4 100644 --- a/drivers/gpio/gpio-amd8111.c +++ b/drivers/gpio/gpio-amd8111.c @@ -75,11 +75,9 @@ struct amd_gpio { u8 orig[32]; }; -#define to_agp(chip) container_of(chip, struct amd_gpio, chip) - static int amd_gpio_request(struct gpio_chip *chip, unsigned offset) { - struct amd_gpio *agp = to_agp(chip); + struct amd_gpio *agp = gpiochip_get_data(chip); agp->orig[offset] = ioread8(agp->pm + AMD_REG_GPIO(offset)) & (AMD_GPIO_DEBOUNCE | AMD_GPIO_MODE_MASK | AMD_GPIO_X_MASK); @@ -91,7 +89,7 @@ static int amd_gpio_request(struct gpio_chip *chip, unsigned offset) static void amd_gpio_free(struct gpio_chip *chip, unsigned offset) { - struct amd_gpio *agp = to_agp(chip); + struct amd_gpio *agp = gpiochip_get_data(chip); dev_dbg(&agp->pdev->dev, "Freed gpio %d, data %x\n", offset, agp->orig[offset]); @@ -100,7 +98,7 @@ static void amd_gpio_free(struct gpio_chip *chip, unsigned offset) static void amd_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct amd_gpio *agp = to_agp(chip); + struct amd_gpio *agp = gpiochip_get_data(chip); u8 temp; unsigned long flags; @@ -115,7 +113,7 @@ static void amd_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int amd_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct amd_gpio *agp = to_agp(chip); + struct amd_gpio *agp = gpiochip_get_data(chip); u8 temp; temp = ioread8(agp->pm + AMD_REG_GPIO(offset)); @@ -127,7 +125,7 @@ static int amd_gpio_get(struct gpio_chip *chip, unsigned offset) static int amd_gpio_dirout(struct gpio_chip *chip, unsigned offset, int value) { - struct amd_gpio *agp = to_agp(chip); + struct amd_gpio *agp = gpiochip_get_data(chip); u8 temp; unsigned long flags; @@ -144,7 +142,7 @@ static int amd_gpio_dirout(struct gpio_chip *chip, unsigned offset, int value) static int amd_gpio_dirin(struct gpio_chip *chip, unsigned offset) { - struct amd_gpio *agp = to_agp(chip); + struct amd_gpio *agp = gpiochip_get_data(chip); u8 temp; unsigned long flags; @@ -220,12 +218,12 @@ found: goto out; } gp.pdev = pdev; - gp.chip.dev = &pdev->dev; + gp.chip.parent = &pdev->dev; spin_lock_init(&gp.lock); printk(KERN_INFO "AMD-8111 GPIO detected\n"); - err = gpiochip_add(&gp.chip); + err = gpiochip_add_data(&gp.chip, &gp); if (err) { printk(KERN_ERR "GPIO registering failed (%d)\n", err); diff --git a/drivers/gpio/gpio-amdpt.c b/drivers/gpio/gpio-amdpt.c index cbbb966d4fc0..c2484046e8e9 100644 --- a/drivers/gpio/gpio-amdpt.c +++ b/drivers/gpio/gpio-amdpt.c @@ -31,22 +31,20 @@ struct pt_gpio_chip { spinlock_t lock; }; -#define to_pt_gpio(c) container_of(c, struct pt_gpio_chip, gc) - static int pt_gpio_request(struct gpio_chip *gc, unsigned offset) { - struct pt_gpio_chip *pt_gpio = to_pt_gpio(gc); + struct pt_gpio_chip *pt_gpio = gpiochip_get_data(gc); unsigned long flags; u32 using_pins; - dev_dbg(gc->dev, "pt_gpio_request offset=%x\n", offset); + dev_dbg(gc->parent, "pt_gpio_request offset=%x\n", offset); spin_lock_irqsave(&pt_gpio->lock, flags); using_pins = readl(pt_gpio->reg_base + PT_SYNC_REG); if (using_pins & BIT(offset)) { - dev_warn(gc->dev, "PT GPIO pin %x reconfigured\n", - offset); + dev_warn(gc->parent, "PT GPIO pin %x reconfigured\n", + offset); spin_unlock_irqrestore(&pt_gpio->lock, flags); return -EINVAL; } @@ -60,7 +58,7 @@ static int pt_gpio_request(struct gpio_chip *gc, unsigned offset) static void pt_gpio_free(struct gpio_chip *gc, unsigned offset) { - struct pt_gpio_chip *pt_gpio = to_pt_gpio(gc); + struct pt_gpio_chip *pt_gpio = gpiochip_get_data(gc); unsigned long flags; u32 using_pins; @@ -72,16 +70,16 @@ static void pt_gpio_free(struct gpio_chip *gc, unsigned offset) spin_unlock_irqrestore(&pt_gpio->lock, flags); - dev_dbg(gc->dev, "pt_gpio_free offset=%x\n", offset); + dev_dbg(gc->parent, "pt_gpio_free offset=%x\n", offset); } static void pt_gpio_set_value(struct gpio_chip *gc, unsigned offset, int value) { - struct pt_gpio_chip *pt_gpio = to_pt_gpio(gc); + struct pt_gpio_chip *pt_gpio = gpiochip_get_data(gc); unsigned long flags; u32 data; - dev_dbg(gc->dev, "pt_gpio_set_value offset=%x, value=%x\n", + dev_dbg(gc->parent, "pt_gpio_set_value offset=%x, value=%x\n", offset, value); spin_lock_irqsave(&pt_gpio->lock, flags); @@ -97,7 +95,7 @@ static void pt_gpio_set_value(struct gpio_chip *gc, unsigned offset, int value) static int pt_gpio_get_value(struct gpio_chip *gc, unsigned offset) { - struct pt_gpio_chip *pt_gpio = to_pt_gpio(gc); + struct pt_gpio_chip *pt_gpio = gpiochip_get_data(gc); unsigned long flags; u32 data; @@ -116,7 +114,7 @@ static int pt_gpio_get_value(struct gpio_chip *gc, unsigned offset) data >>= offset; data &= 1; - dev_dbg(gc->dev, "pt_gpio_get_value offset=%x, value=%x\n", + dev_dbg(gc->parent, "pt_gpio_get_value offset=%x, value=%x\n", offset, data); return data; @@ -124,11 +122,11 @@ static int pt_gpio_get_value(struct gpio_chip *gc, unsigned offset) static int pt_gpio_direction_input(struct gpio_chip *gc, unsigned offset) { - struct pt_gpio_chip *pt_gpio = to_pt_gpio(gc); + struct pt_gpio_chip *pt_gpio = gpiochip_get_data(gc); unsigned long flags; u32 data; - dev_dbg(gc->dev, "pt_gpio_dirction_input offset=%x\n", offset); + dev_dbg(gc->parent, "pt_gpio_dirction_input offset=%x\n", offset); spin_lock_irqsave(&pt_gpio->lock, flags); @@ -144,11 +142,11 @@ static int pt_gpio_direction_input(struct gpio_chip *gc, unsigned offset) static int pt_gpio_direction_output(struct gpio_chip *gc, unsigned offset, int value) { - struct pt_gpio_chip *pt_gpio = to_pt_gpio(gc); + struct pt_gpio_chip *pt_gpio = gpiochip_get_data(gc); unsigned long flags; u32 data; - dev_dbg(gc->dev, "pt_gpio_direction_output offset=%x, value=%x\n", + dev_dbg(gc->parent, "pt_gpio_direction_output offset=%x, value=%x\n", offset, value); spin_lock_irqsave(&pt_gpio->lock, flags); @@ -202,7 +200,7 @@ static int pt_gpio_probe(struct platform_device *pdev) pt_gpio->gc.label = pdev->name; pt_gpio->gc.owner = THIS_MODULE; - pt_gpio->gc.dev = dev; + pt_gpio->gc.parent = dev; pt_gpio->gc.request = pt_gpio_request; pt_gpio->gc.free = pt_gpio_free; pt_gpio->gc.direction_input = pt_gpio_direction_input; @@ -214,7 +212,7 @@ static int pt_gpio_probe(struct platform_device *pdev) #if defined(CONFIG_OF_GPIO) pt_gpio->gc.of_node = pdev->dev.of_node; #endif - ret = gpiochip_add(&pt_gpio->gc); + ret = gpiochip_add_data(&pt_gpio->gc, pt_gpio); if (ret) { dev_err(&pdev->dev, "Failed to register GPIO lib\n"); return ret; diff --git a/drivers/gpio/gpio-arizona.c b/drivers/gpio/gpio-arizona.c index ca002739616a..e910c1f41d93 100644 --- a/drivers/gpio/gpio-arizona.c +++ b/drivers/gpio/gpio-arizona.c @@ -28,14 +28,9 @@ struct arizona_gpio { struct gpio_chip gpio_chip; }; -static inline struct arizona_gpio *to_arizona_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct arizona_gpio, gpio_chip); -} - static int arizona_gpio_direction_in(struct gpio_chip *chip, unsigned offset) { - struct arizona_gpio *arizona_gpio = to_arizona_gpio(chip); + struct arizona_gpio *arizona_gpio = gpiochip_get_data(chip); struct arizona *arizona = arizona_gpio->arizona; return regmap_update_bits(arizona->regmap, ARIZONA_GPIO1_CTRL + offset, @@ -44,7 +39,7 @@ static int arizona_gpio_direction_in(struct gpio_chip *chip, unsigned offset) static int arizona_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct arizona_gpio *arizona_gpio = to_arizona_gpio(chip); + struct arizona_gpio *arizona_gpio = gpiochip_get_data(chip); struct arizona *arizona = arizona_gpio->arizona; unsigned int val; int ret; @@ -62,7 +57,7 @@ static int arizona_gpio_get(struct gpio_chip *chip, unsigned offset) static int arizona_gpio_direction_out(struct gpio_chip *chip, unsigned offset, int value) { - struct arizona_gpio *arizona_gpio = to_arizona_gpio(chip); + struct arizona_gpio *arizona_gpio = gpiochip_get_data(chip); struct arizona *arizona = arizona_gpio->arizona; if (value) @@ -74,7 +69,7 @@ static int arizona_gpio_direction_out(struct gpio_chip *chip, static void arizona_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct arizona_gpio *arizona_gpio = to_arizona_gpio(chip); + struct arizona_gpio *arizona_gpio = gpiochip_get_data(chip); struct arizona *arizona = arizona_gpio->arizona; if (value) @@ -108,7 +103,7 @@ static int arizona_gpio_probe(struct platform_device *pdev) arizona_gpio->arizona = arizona; arizona_gpio->gpio_chip = template_chip; - arizona_gpio->gpio_chip.dev = &pdev->dev; + arizona_gpio->gpio_chip.parent = &pdev->dev; #ifdef CONFIG_OF_GPIO arizona_gpio->gpio_chip.of_node = arizona->dev->of_node; #endif @@ -122,6 +117,10 @@ static int arizona_gpio_probe(struct platform_device *pdev) case WM1814: arizona_gpio->gpio_chip.ngpio = 5; break; + case WM1831: + case CS47L24: + arizona_gpio->gpio_chip.ngpio = 2; + break; default: dev_err(&pdev->dev, "Unknown chip variant %d\n", arizona->type); @@ -133,7 +132,7 @@ static int arizona_gpio_probe(struct platform_device *pdev) else arizona_gpio->gpio_chip.base = -1; - ret = gpiochip_add(&arizona_gpio->gpio_chip); + ret = gpiochip_add_data(&arizona_gpio->gpio_chip, arizona_gpio); if (ret < 0) { dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret); diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c index 5eaea8b812cf..d13dd133a907 100644 --- a/drivers/gpio/gpio-ath79.c +++ b/drivers/gpio/gpio-ath79.c @@ -24,12 +24,10 @@ struct ath79_gpio_ctrl { spinlock_t lock; }; -#define to_ath79_gpio_ctrl(c) container_of(c, struct ath79_gpio_ctrl, chip) - static void ath79_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value) { - struct ath79_gpio_ctrl *ctrl = to_ath79_gpio_ctrl(chip); + struct ath79_gpio_ctrl *ctrl = gpiochip_get_data(chip); if (value) __raw_writel(BIT(gpio), ctrl->base + AR71XX_GPIO_REG_SET); @@ -39,7 +37,7 @@ static void ath79_gpio_set_value(struct gpio_chip *chip, static int ath79_gpio_get_value(struct gpio_chip *chip, unsigned gpio) { - struct ath79_gpio_ctrl *ctrl = to_ath79_gpio_ctrl(chip); + struct ath79_gpio_ctrl *ctrl = gpiochip_get_data(chip); return (__raw_readl(ctrl->base + AR71XX_GPIO_REG_IN) >> gpio) & 1; } @@ -47,7 +45,7 @@ static int ath79_gpio_get_value(struct gpio_chip *chip, unsigned gpio) static int ath79_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - struct ath79_gpio_ctrl *ctrl = to_ath79_gpio_ctrl(chip); + struct ath79_gpio_ctrl *ctrl = gpiochip_get_data(chip); unsigned long flags; spin_lock_irqsave(&ctrl->lock, flags); @@ -64,7 +62,7 @@ static int ath79_gpio_direction_input(struct gpio_chip *chip, static int ath79_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - struct ath79_gpio_ctrl *ctrl = to_ath79_gpio_ctrl(chip); + struct ath79_gpio_ctrl *ctrl = gpiochip_get_data(chip); unsigned long flags; spin_lock_irqsave(&ctrl->lock, flags); @@ -85,7 +83,7 @@ static int ath79_gpio_direction_output(struct gpio_chip *chip, static int ar934x_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - struct ath79_gpio_ctrl *ctrl = to_ath79_gpio_ctrl(chip); + struct ath79_gpio_ctrl *ctrl = gpiochip_get_data(chip); unsigned long flags; spin_lock_irqsave(&ctrl->lock, flags); @@ -102,7 +100,7 @@ static int ar934x_gpio_direction_input(struct gpio_chip *chip, unsigned offset) static int ar934x_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - struct ath79_gpio_ctrl *ctrl = to_ath79_gpio_ctrl(chip); + struct ath79_gpio_ctrl *ctrl = gpiochip_get_data(chip); unsigned long flags; spin_lock_irqsave(&ctrl->lock, flags); @@ -138,7 +136,7 @@ static const struct of_device_id ath79_gpio_of_match[] = { static int ath79_gpio_probe(struct platform_device *pdev) { - struct ath79_gpio_platform_data *pdata = pdev->dev.platform_data; + struct ath79_gpio_platform_data *pdata = dev_get_platdata(&pdev->dev); struct device_node *np = pdev->dev.of_node; struct ath79_gpio_ctrl *ctrl; struct resource *res; @@ -177,14 +175,14 @@ static int ath79_gpio_probe(struct platform_device *pdev) spin_lock_init(&ctrl->lock); memcpy(&ctrl->chip, &ath79_gpio_chip, sizeof(ctrl->chip)); - ctrl->chip.dev = &pdev->dev; + ctrl->chip.parent = &pdev->dev; ctrl->chip.ngpio = ath79_gpio_count; if (oe_inverted) { ctrl->chip.direction_input = ar934x_gpio_direction_input; ctrl->chip.direction_output = ar934x_gpio_direction_output; } - err = gpiochip_add(&ctrl->chip); + err = gpiochip_add_data(&ctrl->chip, ctrl); if (err) { dev_err(&pdev->dev, "cannot add AR71xx GPIO chip, error=%d", err); diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c index 33a1f9779b86..b6c5abe85daf 100644 --- a/drivers/gpio/gpio-bcm-kona.c +++ b/drivers/gpio/gpio-bcm-kona.c @@ -78,11 +78,6 @@ struct bcm_kona_gpio_bank { struct bcm_kona_gpio *kona_gpio; }; -static inline struct bcm_kona_gpio *to_kona_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct bcm_kona_gpio, gpio_chip); -} - static inline void bcm_kona_gpio_write_lock_regs(void __iomem *reg_base, int bank_id, u32 lockcode) { @@ -124,7 +119,7 @@ static void bcm_kona_gpio_unlock_gpio(struct bcm_kona_gpio *kona_gpio, static int bcm_kona_gpio_get_dir(struct gpio_chip *chip, unsigned gpio) { - struct bcm_kona_gpio *kona_gpio = to_kona_gpio(chip); + struct bcm_kona_gpio *kona_gpio = gpiochip_get_data(chip); void __iomem *reg_base = kona_gpio->reg_base; u32 val; @@ -141,7 +136,7 @@ static void bcm_kona_gpio_set(struct gpio_chip *chip, unsigned gpio, int value) u32 val, reg_offset; unsigned long flags; - kona_gpio = to_kona_gpio(chip); + kona_gpio = gpiochip_get_data(chip); reg_base = kona_gpio->reg_base; spin_lock_irqsave(&kona_gpio->lock, flags); @@ -168,7 +163,7 @@ static int bcm_kona_gpio_get(struct gpio_chip *chip, unsigned gpio) u32 val, reg_offset; unsigned long flags; - kona_gpio = to_kona_gpio(chip); + kona_gpio = gpiochip_get_data(chip); reg_base = kona_gpio->reg_base; spin_lock_irqsave(&kona_gpio->lock, flags); @@ -188,7 +183,7 @@ static int bcm_kona_gpio_get(struct gpio_chip *chip, unsigned gpio) static int bcm_kona_gpio_request(struct gpio_chip *chip, unsigned gpio) { - struct bcm_kona_gpio *kona_gpio = to_kona_gpio(chip); + struct bcm_kona_gpio *kona_gpio = gpiochip_get_data(chip); bcm_kona_gpio_unlock_gpio(kona_gpio, gpio); return 0; @@ -196,7 +191,7 @@ static int bcm_kona_gpio_request(struct gpio_chip *chip, unsigned gpio) static void bcm_kona_gpio_free(struct gpio_chip *chip, unsigned gpio) { - struct bcm_kona_gpio *kona_gpio = to_kona_gpio(chip); + struct bcm_kona_gpio *kona_gpio = gpiochip_get_data(chip); bcm_kona_gpio_lock_gpio(kona_gpio, gpio); } @@ -208,7 +203,7 @@ static int bcm_kona_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) u32 val; unsigned long flags; - kona_gpio = to_kona_gpio(chip); + kona_gpio = gpiochip_get_data(chip); reg_base = kona_gpio->reg_base; spin_lock_irqsave(&kona_gpio->lock, flags); @@ -232,7 +227,7 @@ static int bcm_kona_gpio_direction_output(struct gpio_chip *chip, u32 val, reg_offset; unsigned long flags; - kona_gpio = to_kona_gpio(chip); + kona_gpio = gpiochip_get_data(chip); reg_base = kona_gpio->reg_base; spin_lock_irqsave(&kona_gpio->lock, flags); @@ -255,7 +250,7 @@ static int bcm_kona_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) { struct bcm_kona_gpio *kona_gpio; - kona_gpio = to_kona_gpio(chip); + kona_gpio = gpiochip_get_data(chip); if (gpio >= kona_gpio->gpio_chip.ngpio) return -ENXIO; return irq_create_mapping(kona_gpio->irq_domain, gpio); @@ -269,11 +264,11 @@ static int bcm_kona_gpio_set_debounce(struct gpio_chip *chip, unsigned gpio, u32 val, res; unsigned long flags; - kona_gpio = to_kona_gpio(chip); + kona_gpio = gpiochip_get_data(chip); reg_base = kona_gpio->reg_base; /* debounce must be 1-128ms (or 0) */ if ((debounce > 0 && debounce < 1000) || debounce > 128000) { - dev_err(chip->dev, "Debounce value %u not in range\n", + dev_err(chip->parent, "Debounce value %u not in range\n", debounce); return -EINVAL; } @@ -416,7 +411,7 @@ static int bcm_kona_gpio_irq_set_type(struct irq_data *d, unsigned int type) case IRQ_TYPE_LEVEL_LOW: /* BCM GPIO doesn't support level triggering */ default: - dev_err(kona_gpio->gpio_chip.dev, + dev_err(kona_gpio->gpio_chip.parent, "Invalid BCM GPIO irq type 0x%x\n", type); return -EINVAL; } @@ -477,7 +472,7 @@ static int bcm_kona_gpio_irq_reqres(struct irq_data *d) struct bcm_kona_gpio *kona_gpio = irq_data_get_irq_chip_data(d); if (gpiochip_lock_as_irq(&kona_gpio->gpio_chip, d->hwirq)) { - dev_err(kona_gpio->gpio_chip.dev, + dev_err(kona_gpio->gpio_chip.parent, "unable to lock HW IRQ %lu for IRQ\n", d->hwirq); return -EINVAL; @@ -635,7 +630,7 @@ static int bcm_kona_gpio_probe(struct platform_device *pdev) bcm_kona_gpio_reset(kona_gpio); - ret = gpiochip_add(chip); + ret = gpiochip_add_data(chip, kona_gpio); if (ret < 0) { dev_err(dev, "Couldn't add GPIO chip -- %d\n", ret); goto err_irq_domain; diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c index 4c64627c6bb5..d7644251e869 100644 --- a/drivers/gpio/gpio-brcmstb.c +++ b/drivers/gpio/gpio-brcmstb.c @@ -16,7 +16,6 @@ #include <linux/of_device.h> #include <linux/of_irq.h> #include <linux/module.h> -#include <linux/basic_mmio_gpio.h> #include <linux/irqdomain.h> #include <linux/irqchip/chained_irq.h> #include <linux/interrupt.h> @@ -35,7 +34,7 @@ struct brcmstb_gpio_bank { struct list_head node; int id; - struct bgpio_chip bgc; + struct gpio_chip gc; struct brcmstb_gpio_priv *parent_priv; u32 width; struct irq_chip irq_chip; @@ -57,37 +56,30 @@ struct brcmstb_gpio_priv { /* assumes MAX_GPIO_PER_BANK is a multiple of 2 */ #define GPIO_BIT(gpio) ((gpio) & (MAX_GPIO_PER_BANK - 1)) -static inline struct brcmstb_gpio_bank * -brcmstb_gpio_gc_to_bank(struct gpio_chip *gc) -{ - struct bgpio_chip *bgc = to_bgpio_chip(gc); - return container_of(bgc, struct brcmstb_gpio_bank, bgc); -} - static inline struct brcmstb_gpio_priv * brcmstb_gpio_gc_to_priv(struct gpio_chip *gc) { - struct brcmstb_gpio_bank *bank = brcmstb_gpio_gc_to_bank(gc); + struct brcmstb_gpio_bank *bank = gpiochip_get_data(gc); return bank->parent_priv; } static void brcmstb_gpio_set_imask(struct brcmstb_gpio_bank *bank, unsigned int offset, bool enable) { - struct bgpio_chip *bgc = &bank->bgc; + struct gpio_chip *gc = &bank->gc; struct brcmstb_gpio_priv *priv = bank->parent_priv; - u32 mask = bgc->pin2mask(bgc, offset); + u32 mask = gc->pin2mask(gc, offset); u32 imask; unsigned long flags; - spin_lock_irqsave(&bgc->lock, flags); - imask = bgc->read_reg(priv->reg_base + GIO_MASK(bank->id)); + spin_lock_irqsave(&gc->bgpio_lock, flags); + imask = gc->read_reg(priv->reg_base + GIO_MASK(bank->id)); if (enable) imask |= mask; else imask &= ~mask; - bgc->write_reg(priv->reg_base + GIO_MASK(bank->id), imask); - spin_unlock_irqrestore(&bgc->lock, flags); + gc->write_reg(priv->reg_base + GIO_MASK(bank->id), imask); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); } /* -------------------- IRQ chip functions -------------------- */ @@ -95,7 +87,7 @@ static void brcmstb_gpio_set_imask(struct brcmstb_gpio_bank *bank, static void brcmstb_gpio_irq_mask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct brcmstb_gpio_bank *bank = brcmstb_gpio_gc_to_bank(gc); + struct brcmstb_gpio_bank *bank = gpiochip_get_data(gc); brcmstb_gpio_set_imask(bank, d->hwirq, false); } @@ -103,7 +95,7 @@ static void brcmstb_gpio_irq_mask(struct irq_data *d) static void brcmstb_gpio_irq_unmask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct brcmstb_gpio_bank *bank = brcmstb_gpio_gc_to_bank(gc); + struct brcmstb_gpio_bank *bank = gpiochip_get_data(gc); brcmstb_gpio_set_imask(bank, d->hwirq, true); } @@ -111,7 +103,7 @@ static void brcmstb_gpio_irq_unmask(struct irq_data *d) static int brcmstb_gpio_irq_set_type(struct irq_data *d, unsigned int type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct brcmstb_gpio_bank *bank = brcmstb_gpio_gc_to_bank(gc); + struct brcmstb_gpio_bank *bank = gpiochip_get_data(gc); struct brcmstb_gpio_priv *priv = bank->parent_priv; u32 mask = BIT(d->hwirq); u32 edge_insensitive, iedge_insensitive; @@ -149,23 +141,23 @@ static int brcmstb_gpio_irq_set_type(struct irq_data *d, unsigned int type) return -EINVAL; } - spin_lock_irqsave(&bank->bgc.lock, flags); + spin_lock_irqsave(&bank->gc.bgpio_lock, flags); - iedge_config = bank->bgc.read_reg(priv->reg_base + + iedge_config = bank->gc.read_reg(priv->reg_base + GIO_EC(bank->id)) & ~mask; - iedge_insensitive = bank->bgc.read_reg(priv->reg_base + + iedge_insensitive = bank->gc.read_reg(priv->reg_base + GIO_EI(bank->id)) & ~mask; - ilevel = bank->bgc.read_reg(priv->reg_base + + ilevel = bank->gc.read_reg(priv->reg_base + GIO_LEVEL(bank->id)) & ~mask; - bank->bgc.write_reg(priv->reg_base + GIO_EC(bank->id), + bank->gc.write_reg(priv->reg_base + GIO_EC(bank->id), iedge_config | edge_config); - bank->bgc.write_reg(priv->reg_base + GIO_EI(bank->id), + bank->gc.write_reg(priv->reg_base + GIO_EI(bank->id), iedge_insensitive | edge_insensitive); - bank->bgc.write_reg(priv->reg_base + GIO_LEVEL(bank->id), + bank->gc.write_reg(priv->reg_base + GIO_LEVEL(bank->id), ilevel | level); - spin_unlock_irqrestore(&bank->bgc.lock, flags); + spin_unlock_irqrestore(&bank->gc.bgpio_lock, flags); return 0; } @@ -210,29 +202,29 @@ static irqreturn_t brcmstb_gpio_wake_irq_handler(int irq, void *data) static void brcmstb_gpio_irq_bank_handler(struct brcmstb_gpio_bank *bank) { struct brcmstb_gpio_priv *priv = bank->parent_priv; - struct irq_domain *irq_domain = bank->bgc.gc.irqdomain; + struct irq_domain *irq_domain = bank->gc.irqdomain; void __iomem *reg_base = priv->reg_base; unsigned long status; unsigned long flags; - spin_lock_irqsave(&bank->bgc.lock, flags); - while ((status = bank->bgc.read_reg(reg_base + GIO_STAT(bank->id)) & - bank->bgc.read_reg(reg_base + GIO_MASK(bank->id)))) { + spin_lock_irqsave(&bank->gc.bgpio_lock, flags); + while ((status = bank->gc.read_reg(reg_base + GIO_STAT(bank->id)) & + bank->gc.read_reg(reg_base + GIO_MASK(bank->id)))) { int bit; for_each_set_bit(bit, &status, 32) { - u32 stat = bank->bgc.read_reg(reg_base + + u32 stat = bank->gc.read_reg(reg_base + GIO_STAT(bank->id)); if (bit >= bank->width) dev_warn(&priv->pdev->dev, "IRQ for invalid GPIO (bank=%d, offset=%d)\n", bank->id, bit); - bank->bgc.write_reg(reg_base + GIO_STAT(bank->id), + bank->gc.write_reg(reg_base + GIO_STAT(bank->id), stat | BIT(bit)); generic_handle_irq(irq_find_mapping(irq_domain, bit)); } } - spin_unlock_irqrestore(&bank->bgc.lock, flags); + spin_unlock_irqrestore(&bank->gc.bgpio_lock, flags); } /* Each UPG GIO block has one IRQ for all banks */ @@ -303,9 +295,7 @@ static int brcmstb_gpio_remove(struct platform_device *pdev) */ list_for_each(pos, &priv->bank_list) { bank = list_entry(pos, struct brcmstb_gpio_bank, node); - ret = bgpio_remove(&bank->bgc); - if (ret) - dev_err(&pdev->dev, "gpiochip_remove fail in cleanup\n"); + gpiochip_remove(&bank->gc); } if (priv->reboot_notifier.notifier_call) { ret = unregister_reboot_notifier(&priv->reboot_notifier); @@ -320,7 +310,7 @@ static int brcmstb_gpio_of_xlate(struct gpio_chip *gc, const struct of_phandle_args *gpiospec, u32 *flags) { struct brcmstb_gpio_priv *priv = brcmstb_gpio_gc_to_priv(gc); - struct brcmstb_gpio_bank *bank = brcmstb_gpio_gc_to_bank(gc); + struct brcmstb_gpio_bank *bank = gpiochip_get_data(gc); int offset; if (gc->of_gpio_n_cells != 2) { @@ -398,9 +388,9 @@ static int brcmstb_gpio_irq_setup(struct platform_device *pdev, if (priv->can_wake) bank->irq_chip.irq_set_wake = brcmstb_gpio_irq_set_wake; - gpiochip_irqchip_add(&bank->bgc.gc, &bank->irq_chip, 0, + gpiochip_irqchip_add(&bank->gc, &bank->irq_chip, 0, handle_simple_irq, IRQ_TYPE_NONE); - gpiochip_set_chained_irqchip(&bank->bgc.gc, &bank->irq_chip, + gpiochip_set_chained_irqchip(&bank->gc, &bank->irq_chip, priv->parent_irq, brcmstb_gpio_irq_handler); return 0; @@ -419,6 +409,7 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) int num_banks = 0; int err; static int gpio_base; + unsigned long flags = 0; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) @@ -448,10 +439,21 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) if (brcmstb_gpio_sanity_check_banks(dev, np, res)) return -EINVAL; + /* + * MIPS endianness is configured by boot strap, which also reverses all + * bus endianness (i.e., big-endian CPU + big endian bus ==> native + * endian I/O). + * + * Other architectures (e.g., ARM) either do not support big endian, or + * else leave I/O in little endian mode. + */ +#if defined(CONFIG_MIPS) && defined(__BIG_ENDIAN) + flags = BGPIOF_BIG_ENDIAN_BYTE_ORDER; +#endif + of_property_for_each_u32(np, "brcm,gpio-bank-widths", prop, p, bank_width) { struct brcmstb_gpio_bank *bank; - struct bgpio_chip *bgc; struct gpio_chip *gc; bank = devm_kzalloc(dev, sizeof(*bank), GFP_KERNEL); @@ -473,17 +475,16 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) * Regs are 4 bytes wide, have data reg, no set/clear regs, * and direction bits have 0 = output and 1 = input */ - bgc = &bank->bgc; - err = bgpio_init(bgc, dev, 4, + gc = &bank->gc; + err = bgpio_init(gc, dev, 4, reg_base + GIO_DATA(bank->id), NULL, NULL, NULL, - reg_base + GIO_IODIR(bank->id), 0); + reg_base + GIO_IODIR(bank->id), flags); if (err) { dev_err(dev, "bgpio_init() failed\n"); goto fail; } - gc = &bgc->gc; gc->of_node = np; gc->owner = THIS_MODULE; gc->label = np->full_name; @@ -497,9 +498,9 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) * Mask all interrupts by default, since wakeup interrupts may * be retained from S5 cold boot */ - bank->bgc.write_reg(reg_base + GIO_MASK(bank->id), 0); + gc->write_reg(reg_base + GIO_MASK(bank->id), 0); - err = gpiochip_add(gc); + err = gpiochip_add_data(gc, bank); if (err) { dev_err(dev, "Could not add gpiochip for bank %d\n", bank->id); diff --git a/drivers/gpio/gpio-bt8xx.c b/drivers/gpio/gpio-bt8xx.c index 7e4c43c18960..acefb25e8eca 100644 --- a/drivers/gpio/gpio-bt8xx.c +++ b/drivers/gpio/gpio-bt8xx.c @@ -80,7 +80,7 @@ MODULE_PARM_DESC(gpiobase, "The GPIO number base. -1 means dynamic, which is the static int bt8xxgpio_gpio_direction_input(struct gpio_chip *gpio, unsigned nr) { - struct bt8xxgpio *bg = container_of(gpio, struct bt8xxgpio, gpio); + struct bt8xxgpio *bg = gpiochip_get_data(gpio); unsigned long flags; u32 outen, data; @@ -101,7 +101,7 @@ static int bt8xxgpio_gpio_direction_input(struct gpio_chip *gpio, unsigned nr) static int bt8xxgpio_gpio_get(struct gpio_chip *gpio, unsigned nr) { - struct bt8xxgpio *bg = container_of(gpio, struct bt8xxgpio, gpio); + struct bt8xxgpio *bg = gpiochip_get_data(gpio); unsigned long flags; u32 val; @@ -115,7 +115,7 @@ static int bt8xxgpio_gpio_get(struct gpio_chip *gpio, unsigned nr) static int bt8xxgpio_gpio_direction_output(struct gpio_chip *gpio, unsigned nr, int val) { - struct bt8xxgpio *bg = container_of(gpio, struct bt8xxgpio, gpio); + struct bt8xxgpio *bg = gpiochip_get_data(gpio); unsigned long flags; u32 outen, data; @@ -140,7 +140,7 @@ static int bt8xxgpio_gpio_direction_output(struct gpio_chip *gpio, static void bt8xxgpio_gpio_set(struct gpio_chip *gpio, unsigned nr, int val) { - struct bt8xxgpio *bg = container_of(gpio, struct bt8xxgpio, gpio); + struct bt8xxgpio *bg = gpiochip_get_data(gpio); unsigned long flags; u32 data; @@ -217,7 +217,7 @@ static int bt8xxgpio_probe(struct pci_dev *dev, bgwrite(0, BT848_GPIO_OUT_EN); bt8xxgpio_gpio_setup(bg); - err = gpiochip_add(&bg->gpio); + err = gpiochip_add_data(&bg->gpio, bg); if (err) { printk(KERN_ERR "bt8xxgpio: Failed to register GPIOs\n"); goto err_disable; diff --git a/drivers/gpio/gpio-clps711x.c b/drivers/gpio/gpio-clps711x.c index b6908f1ff1ab..c84f9551f108 100644 --- a/drivers/gpio/gpio-clps711x.c +++ b/drivers/gpio/gpio-clps711x.c @@ -10,24 +10,23 @@ */ #include <linux/err.h> -#include <linux/gpio.h> #include <linux/module.h> -#include <linux/basic_mmio_gpio.h> +#include <linux/gpio/driver.h> #include <linux/platform_device.h> static int clps711x_gpio_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; void __iomem *dat, *dir; - struct bgpio_chip *bgc; + struct gpio_chip *gc; struct resource *res; int err, id = np ? of_alias_get_id(np, "gpio") : pdev->id; if ((id < 0) || (id > 4)) return -ENODEV; - bgc = devm_kzalloc(&pdev->dev, sizeof(*bgc), GFP_KERNEL); - if (!bgc) + gc = devm_kzalloc(&pdev->dev, sizeof(*gc), GFP_KERNEL); + if (!gc) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -43,11 +42,11 @@ static int clps711x_gpio_probe(struct platform_device *pdev) switch (id) { case 3: /* PORTD is inverted logic for direction register */ - err = bgpio_init(bgc, &pdev->dev, 1, dat, NULL, NULL, + err = bgpio_init(gc, &pdev->dev, 1, dat, NULL, NULL, NULL, dir, 0); break; default: - err = bgpio_init(bgc, &pdev->dev, 1, dat, NULL, NULL, + err = bgpio_init(gc, &pdev->dev, 1, dat, NULL, NULL, dir, NULL, 0); break; } @@ -58,24 +57,25 @@ static int clps711x_gpio_probe(struct platform_device *pdev) switch (id) { case 4: /* PORTE is 3 lines only */ - bgc->gc.ngpio = 3; + gc->ngpio = 3; break; default: break; } - bgc->gc.base = id * 8; - bgc->gc.owner = THIS_MODULE; - platform_set_drvdata(pdev, bgc); + gc->base = id * 8; + gc->owner = THIS_MODULE; + platform_set_drvdata(pdev, gc); - return gpiochip_add(&bgc->gc); + return gpiochip_add_data(gc, NULL); } static int clps711x_gpio_remove(struct platform_device *pdev) { - struct bgpio_chip *bgc = platform_get_drvdata(pdev); + struct gpio_chip *gc = platform_get_drvdata(pdev); - return bgpio_remove(bgc); + gpiochip_remove(gc); + return 0; } static const struct of_device_id __maybe_unused clps711x_gpio_ids[] = { diff --git a/drivers/gpio/gpio-crystalcove.c b/drivers/gpio/gpio-crystalcove.c index fddd204dc9b6..7865ef0d3352 100644 --- a/drivers/gpio/gpio-crystalcove.c +++ b/drivers/gpio/gpio-crystalcove.c @@ -86,11 +86,6 @@ struct crystalcove_gpio { bool set_irq_mask; }; -static inline struct crystalcove_gpio *to_cg(struct gpio_chip *gc) -{ - return container_of(gc, struct crystalcove_gpio, chip); -} - static inline int to_reg(int gpio, enum ctrl_register reg_type) { int reg; @@ -134,7 +129,7 @@ static void crystalcove_update_irq_ctrl(struct crystalcove_gpio *cg, int gpio) static int crystalcove_gpio_dir_in(struct gpio_chip *chip, unsigned gpio) { - struct crystalcove_gpio *cg = to_cg(chip); + struct crystalcove_gpio *cg = gpiochip_get_data(chip); if (gpio > CRYSTALCOVE_VGPIO_NUM) return 0; @@ -146,7 +141,7 @@ static int crystalcove_gpio_dir_in(struct gpio_chip *chip, unsigned gpio) static int crystalcove_gpio_dir_out(struct gpio_chip *chip, unsigned gpio, int value) { - struct crystalcove_gpio *cg = to_cg(chip); + struct crystalcove_gpio *cg = gpiochip_get_data(chip); if (gpio > CRYSTALCOVE_VGPIO_NUM) return 0; @@ -157,7 +152,7 @@ static int crystalcove_gpio_dir_out(struct gpio_chip *chip, unsigned gpio, static int crystalcove_gpio_get(struct gpio_chip *chip, unsigned gpio) { - struct crystalcove_gpio *cg = to_cg(chip); + struct crystalcove_gpio *cg = gpiochip_get_data(chip); int ret; unsigned int val; @@ -174,7 +169,7 @@ static int crystalcove_gpio_get(struct gpio_chip *chip, unsigned gpio) static void crystalcove_gpio_set(struct gpio_chip *chip, unsigned gpio, int value) { - struct crystalcove_gpio *cg = to_cg(chip); + struct crystalcove_gpio *cg = gpiochip_get_data(chip); if (gpio > CRYSTALCOVE_VGPIO_NUM) return; @@ -187,7 +182,8 @@ static void crystalcove_gpio_set(struct gpio_chip *chip, static int crystalcove_irq_type(struct irq_data *data, unsigned type) { - struct crystalcove_gpio *cg = to_cg(irq_data_get_irq_chip_data(data)); + struct crystalcove_gpio *cg = + gpiochip_get_data(irq_data_get_irq_chip_data(data)); switch (type) { case IRQ_TYPE_NONE: @@ -213,14 +209,16 @@ static int crystalcove_irq_type(struct irq_data *data, unsigned type) static void crystalcove_bus_lock(struct irq_data *data) { - struct crystalcove_gpio *cg = to_cg(irq_data_get_irq_chip_data(data)); + struct crystalcove_gpio *cg = + gpiochip_get_data(irq_data_get_irq_chip_data(data)); mutex_lock(&cg->buslock); } static void crystalcove_bus_sync_unlock(struct irq_data *data) { - struct crystalcove_gpio *cg = to_cg(irq_data_get_irq_chip_data(data)); + struct crystalcove_gpio *cg = + gpiochip_get_data(irq_data_get_irq_chip_data(data)); int gpio = data->hwirq; if (cg->update & UPDATE_IRQ_TYPE) @@ -234,7 +232,8 @@ static void crystalcove_bus_sync_unlock(struct irq_data *data) static void crystalcove_irq_unmask(struct irq_data *data) { - struct crystalcove_gpio *cg = to_cg(irq_data_get_irq_chip_data(data)); + struct crystalcove_gpio *cg = + gpiochip_get_data(irq_data_get_irq_chip_data(data)); cg->set_irq_mask = false; cg->update |= UPDATE_IRQ_MASK; @@ -242,7 +241,8 @@ static void crystalcove_irq_unmask(struct irq_data *data) static void crystalcove_irq_mask(struct irq_data *data) { - struct crystalcove_gpio *cg = to_cg(irq_data_get_irq_chip_data(data)); + struct crystalcove_gpio *cg = + gpiochip_get_data(irq_data_get_irq_chip_data(data)); cg->set_irq_mask = true; cg->update |= UPDATE_IRQ_MASK; @@ -288,7 +288,7 @@ static irqreturn_t crystalcove_gpio_irq_handler(int irq, void *data) static void crystalcove_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) { - struct crystalcove_gpio *cg = to_cg(chip); + struct crystalcove_gpio *cg = gpiochip_get_data(chip); int gpio, offset; unsigned int ctlo, ctli, mirqs0, mirqsx, irq; @@ -341,11 +341,11 @@ static int crystalcove_gpio_probe(struct platform_device *pdev) cg->chip.base = -1; cg->chip.ngpio = CRYSTALCOVE_VGPIO_NUM; cg->chip.can_sleep = true; - cg->chip.dev = dev; + cg->chip.parent = dev; cg->chip.dbg_show = crystalcove_gpio_dbg_show; cg->regmap = pmic->regmap; - retval = gpiochip_add(&cg->chip); + retval = gpiochip_add_data(&cg->chip, cg); if (retval) { dev_warn(&pdev->dev, "add gpio chip error: %d\n", retval); return retval; diff --git a/drivers/gpio/gpio-cs5535.c b/drivers/gpio/gpio-cs5535.c index 7b0b198a563d..eccb712e09fb 100644 --- a/drivers/gpio/gpio-cs5535.c +++ b/drivers/gpio/gpio-cs5535.c @@ -42,6 +42,10 @@ static ulong mask = GPIO_DEFAULT_MASK; module_param_named(mask, mask, ulong, 0444); MODULE_PARM_DESC(mask, "GPIO channel mask."); +/* + * FIXME: convert this singleton driver to use the state container + * design pattern, see Documentation/driver-model/design-patterns.txt + */ static struct cs5535_gpio_chip { struct gpio_chip chip; resource_size_t base; @@ -201,8 +205,7 @@ EXPORT_SYMBOL_GPL(cs5535_gpio_setup_event); static int chip_gpio_request(struct gpio_chip *c, unsigned offset) { - struct cs5535_gpio_chip *chip = - container_of(c, struct cs5535_gpio_chip, chip); + struct cs5535_gpio_chip *chip = gpiochip_get_data(c); unsigned long flags; spin_lock_irqsave(&chip->lock, flags); @@ -242,8 +245,7 @@ static void chip_gpio_set(struct gpio_chip *chip, unsigned offset, int val) static int chip_direction_input(struct gpio_chip *c, unsigned offset) { - struct cs5535_gpio_chip *chip = - container_of(c, struct cs5535_gpio_chip, chip); + struct cs5535_gpio_chip *chip = gpiochip_get_data(c); unsigned long flags; spin_lock_irqsave(&chip->lock, flags); @@ -256,8 +258,7 @@ static int chip_direction_input(struct gpio_chip *c, unsigned offset) static int chip_direction_output(struct gpio_chip *c, unsigned offset, int val) { - struct cs5535_gpio_chip *chip = - container_of(c, struct cs5535_gpio_chip, chip); + struct cs5535_gpio_chip *chip = gpiochip_get_data(c); unsigned long flags; spin_lock_irqsave(&chip->lock, flags); @@ -347,7 +348,7 @@ static int cs5535_gpio_probe(struct platform_device *pdev) mask_orig, mask); /* finally, register with the generic GPIO API */ - err = gpiochip_add(&cs5535_gpio_chip.chip); + err = gpiochip_add_data(&cs5535_gpio_chip.chip, &cs5535_gpio_chip); if (err) goto done; diff --git a/drivers/gpio/gpio-da9052.c b/drivers/gpio/gpio-da9052.c index 2e9578ec0ca1..f9b3247ad14b 100644 --- a/drivers/gpio/gpio-da9052.c +++ b/drivers/gpio/gpio-da9052.c @@ -51,11 +51,6 @@ struct da9052_gpio { struct gpio_chip gp; }; -static inline struct da9052_gpio *to_da9052_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct da9052_gpio, gp); -} - static unsigned char da9052_gpio_port_odd(unsigned offset) { return offset % 2; @@ -63,7 +58,7 @@ static unsigned char da9052_gpio_port_odd(unsigned offset) static int da9052_gpio_get(struct gpio_chip *gc, unsigned offset) { - struct da9052_gpio *gpio = to_da9052_gpio(gc); + struct da9052_gpio *gpio = gpiochip_get_data(gc); int da9052_port_direction = 0; int ret; @@ -89,15 +84,12 @@ static int da9052_gpio_get(struct gpio_chip *gc, unsigned offset) DA9052_STATUS_D_REG); if (ret < 0) return ret; - if (ret & (1 << DA9052_GPIO_SHIFT_COUNT(offset))) - return 1; - else - return 0; + return !!(ret & (1 << DA9052_GPIO_SHIFT_COUNT(offset))); case DA9052_OUTPUT_PUSHPULL: if (da9052_gpio_port_odd(offset)) - return ret & DA9052_GPIO_ODD_PORT_MODE; + return !!(ret & DA9052_GPIO_ODD_PORT_MODE); else - return ret & DA9052_GPIO_EVEN_PORT_MODE; + return !!(ret & DA9052_GPIO_EVEN_PORT_MODE); default: return -EINVAL; } @@ -105,7 +97,7 @@ static int da9052_gpio_get(struct gpio_chip *gc, unsigned offset) static void da9052_gpio_set(struct gpio_chip *gc, unsigned offset, int value) { - struct da9052_gpio *gpio = to_da9052_gpio(gc); + struct da9052_gpio *gpio = gpiochip_get_data(gc); int ret; if (da9052_gpio_port_odd(offset)) { @@ -131,7 +123,7 @@ static void da9052_gpio_set(struct gpio_chip *gc, unsigned offset, int value) static int da9052_gpio_direction_input(struct gpio_chip *gc, unsigned offset) { - struct da9052_gpio *gpio = to_da9052_gpio(gc); + struct da9052_gpio *gpio = gpiochip_get_data(gc); unsigned char register_value; int ret; @@ -157,7 +149,7 @@ static int da9052_gpio_direction_input(struct gpio_chip *gc, unsigned offset) static int da9052_gpio_direction_output(struct gpio_chip *gc, unsigned offset, int value) { - struct da9052_gpio *gpio = to_da9052_gpio(gc); + struct da9052_gpio *gpio = gpiochip_get_data(gc); unsigned char register_value; int ret; @@ -182,7 +174,7 @@ static int da9052_gpio_direction_output(struct gpio_chip *gc, static int da9052_gpio_to_irq(struct gpio_chip *gc, u32 offset) { - struct da9052_gpio *gpio = to_da9052_gpio(gc); + struct da9052_gpio *gpio = gpiochip_get_data(gc); struct da9052 *da9052 = gpio->da9052; int irq; @@ -222,7 +214,7 @@ static int da9052_gpio_probe(struct platform_device *pdev) if (pdata && pdata->gpio_base) gpio->gp.base = pdata->gpio_base; - ret = gpiochip_add(&gpio->gp); + ret = gpiochip_add_data(&gpio->gp, gpio); if (ret < 0) { dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret); return ret; diff --git a/drivers/gpio/gpio-da9055.c b/drivers/gpio/gpio-da9055.c index 7227e6ed3cb9..18210fb2cb13 100644 --- a/drivers/gpio/gpio-da9055.c +++ b/drivers/gpio/gpio-da9055.c @@ -35,14 +35,9 @@ struct da9055_gpio { struct gpio_chip gp; }; -static inline struct da9055_gpio *to_da9055_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct da9055_gpio, gp); -} - static int da9055_gpio_get(struct gpio_chip *gc, unsigned offset) { - struct da9055_gpio *gpio = to_da9055_gpio(gc); + struct da9055_gpio *gpio = gpiochip_get_data(gc); int gpio_direction = 0; int ret; @@ -71,7 +66,7 @@ static int da9055_gpio_get(struct gpio_chip *gc, unsigned offset) static void da9055_gpio_set(struct gpio_chip *gc, unsigned offset, int value) { - struct da9055_gpio *gpio = to_da9055_gpio(gc); + struct da9055_gpio *gpio = gpiochip_get_data(gc); da9055_reg_update(gpio->da9055, DA9055_REG_GPIO_MODE0_2, @@ -81,7 +76,7 @@ static void da9055_gpio_set(struct gpio_chip *gc, unsigned offset, int value) static int da9055_gpio_direction_input(struct gpio_chip *gc, unsigned offset) { - struct da9055_gpio *gpio = to_da9055_gpio(gc); + struct da9055_gpio *gpio = gpiochip_get_data(gc); unsigned char reg_byte; reg_byte = (DA9055_ACT_LOW | DA9055_GPI) @@ -97,7 +92,7 @@ static int da9055_gpio_direction_input(struct gpio_chip *gc, unsigned offset) static int da9055_gpio_direction_output(struct gpio_chip *gc, unsigned offset, int value) { - struct da9055_gpio *gpio = to_da9055_gpio(gc); + struct da9055_gpio *gpio = gpiochip_get_data(gc); unsigned char reg_byte; int ret; @@ -119,7 +114,7 @@ static int da9055_gpio_direction_output(struct gpio_chip *gc, static int da9055_gpio_to_irq(struct gpio_chip *gc, u32 offset) { - struct da9055_gpio *gpio = to_da9055_gpio(gc); + struct da9055_gpio *gpio = gpiochip_get_data(gc); struct da9055 *da9055 = gpio->da9055; return regmap_irq_get_virq(da9055->irq_data, @@ -156,7 +151,7 @@ static int da9055_gpio_probe(struct platform_device *pdev) if (pdata && pdata->gpio_base) gpio->gp.base = pdata->gpio_base; - ret = gpiochip_add(&gpio->gp); + ret = gpiochip_add_data(&gpio->gp, gpio); if (ret < 0) { dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret); goto err_mem; diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index 5e715388803d..ec58f4288649 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -41,9 +41,6 @@ typedef struct irq_chip *(*gpio_get_irq_chip_cb_t)(unsigned int irq); #define BINTEN 0x8 /* GPIO Interrupt Per-Bank Enable Register */ -#define chip2controller(chip) \ - container_of(chip, struct davinci_gpio_controller, chip) - static void __iomem *gpio_base; static struct davinci_gpio_regs __iomem *gpio2regs(unsigned gpio) @@ -82,7 +79,7 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev); static inline int __davinci_direction(struct gpio_chip *chip, unsigned offset, bool out, int value) { - struct davinci_gpio_controller *d = chip2controller(chip); + struct davinci_gpio_controller *d = gpiochip_get_data(chip); struct davinci_gpio_regs __iomem *g = d->regs; unsigned long flags; u32 temp; @@ -122,10 +119,10 @@ davinci_direction_out(struct gpio_chip *chip, unsigned offset, int value) */ static int davinci_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct davinci_gpio_controller *d = chip2controller(chip); + struct davinci_gpio_controller *d = gpiochip_get_data(chip); struct davinci_gpio_regs __iomem *g = d->regs; - return (1 << offset) & readl_relaxed(&g->in_data); + return !!((1 << offset) & readl_relaxed(&g->in_data)); } /* @@ -134,7 +131,7 @@ static int davinci_gpio_get(struct gpio_chip *chip, unsigned offset) static void davinci_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct davinci_gpio_controller *d = chip2controller(chip); + struct davinci_gpio_controller *d = gpiochip_get_data(chip); struct davinci_gpio_regs __iomem *g = d->regs; writel_relaxed((1 << offset), value ? &g->set_data : &g->clr_data); @@ -149,7 +146,7 @@ davinci_gpio_get_pdata(struct platform_device *pdev) u32 val; if (!IS_ENABLED(CONFIG_OF) || !pdev->dev.of_node) - return pdev->dev.platform_data; + return dev_get_platdata(&pdev->dev); pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) @@ -179,8 +176,8 @@ static int davinci_gpio_of_xlate(struct gpio_chip *gc, const struct of_phandle_args *gpiospec, u32 *flags) { - struct davinci_gpio_controller *chips = dev_get_drvdata(gc->dev); - struct davinci_gpio_platform_data *pdata = dev_get_platdata(gc->dev); + struct davinci_gpio_controller *chips = dev_get_drvdata(gc->parent); + struct davinci_gpio_platform_data *pdata = dev_get_platdata(gc->parent); if (gpiospec->args[0] > pdata->ngpio) return -EINVAL; @@ -254,7 +251,7 @@ static int davinci_gpio_probe(struct platform_device *pdev) #ifdef CONFIG_OF_GPIO chips[i].chip.of_gpio_n_cells = 2; chips[i].chip.of_xlate = davinci_gpio_of_xlate; - chips[i].chip.dev = dev; + chips[i].chip.parent = dev; chips[i].chip.of_node = dev->of_node; #endif spin_lock_init(&chips[i].lock); @@ -265,7 +262,7 @@ static int davinci_gpio_probe(struct platform_device *pdev) chips[i].clr_data = ®s->clr_data; chips[i].in_data = ®s->in_data; - gpiochip_add(&chips[i].chip); + gpiochip_add_data(&chips[i].chip, &chips[i]); } platform_set_drvdata(pdev, chips); @@ -368,7 +365,7 @@ static void gpio_irq_handler(struct irq_desc *desc) static int gpio_to_irq_banked(struct gpio_chip *chip, unsigned offset) { - struct davinci_gpio_controller *d = chip2controller(chip); + struct davinci_gpio_controller *d = gpiochip_get_data(chip); if (d->irq_domain) return irq_create_mapping(d->irq_domain, d->chip.base + offset); @@ -378,7 +375,7 @@ static int gpio_to_irq_banked(struct gpio_chip *chip, unsigned offset) static int gpio_to_irq_unbanked(struct gpio_chip *chip, unsigned offset) { - struct davinci_gpio_controller *d = chip2controller(chip); + struct davinci_gpio_controller *d = gpiochip_get_data(chip); /* * NOTE: we assume for now that only irqs in the first gpio_chip diff --git a/drivers/gpio/gpio-dln2.c b/drivers/gpio/gpio-dln2.c index 6685712c15cf..e11a7d126e74 100644 --- a/drivers/gpio/gpio-dln2.c +++ b/drivers/gpio/gpio-dln2.c @@ -153,7 +153,7 @@ static int dln2_gpio_pin_set_out_val(struct dln2_gpio *dln2, static int dln2_gpio_request(struct gpio_chip *chip, unsigned offset) { - struct dln2_gpio *dln2 = container_of(chip, struct dln2_gpio, gpio); + struct dln2_gpio *dln2 = gpiochip_get_data(chip); struct dln2_gpio_pin req = { .pin = cpu_to_le16(offset), }; @@ -194,14 +194,14 @@ out_disable: static void dln2_gpio_free(struct gpio_chip *chip, unsigned offset) { - struct dln2_gpio *dln2 = container_of(chip, struct dln2_gpio, gpio); + struct dln2_gpio *dln2 = gpiochip_get_data(chip); dln2_gpio_pin_cmd(dln2, DLN2_GPIO_PIN_DISABLE, offset); } static int dln2_gpio_get_direction(struct gpio_chip *chip, unsigned offset) { - struct dln2_gpio *dln2 = container_of(chip, struct dln2_gpio, gpio); + struct dln2_gpio *dln2 = gpiochip_get_data(chip); if (test_bit(offset, dln2->output_enabled)) return GPIOF_DIR_OUT; @@ -211,7 +211,7 @@ static int dln2_gpio_get_direction(struct gpio_chip *chip, unsigned offset) static int dln2_gpio_get(struct gpio_chip *chip, unsigned int offset) { - struct dln2_gpio *dln2 = container_of(chip, struct dln2_gpio, gpio); + struct dln2_gpio *dln2 = gpiochip_get_data(chip); int dir; dir = dln2_gpio_get_direction(chip, offset); @@ -226,7 +226,7 @@ static int dln2_gpio_get(struct gpio_chip *chip, unsigned int offset) static void dln2_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct dln2_gpio *dln2 = container_of(chip, struct dln2_gpio, gpio); + struct dln2_gpio *dln2 = gpiochip_get_data(chip); dln2_gpio_pin_set_out_val(dln2, offset, value); } @@ -234,7 +234,7 @@ static void dln2_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int dln2_gpio_set_direction(struct gpio_chip *chip, unsigned offset, unsigned dir) { - struct dln2_gpio *dln2 = container_of(chip, struct dln2_gpio, gpio); + struct dln2_gpio *dln2 = gpiochip_get_data(chip); struct dln2_gpio_pin_val req = { .pin = cpu_to_le16(offset), .value = dir, @@ -262,7 +262,7 @@ static int dln2_gpio_direction_input(struct gpio_chip *chip, unsigned offset) static int dln2_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - struct dln2_gpio *dln2 = container_of(chip, struct dln2_gpio, gpio); + struct dln2_gpio *dln2 = gpiochip_get_data(chip); int ret; ret = dln2_gpio_pin_set_out_val(dln2, offset, value); @@ -275,7 +275,7 @@ static int dln2_gpio_direction_output(struct gpio_chip *chip, unsigned offset, static int dln2_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, unsigned debounce) { - struct dln2_gpio *dln2 = container_of(chip, struct dln2_gpio, gpio); + struct dln2_gpio *dln2 = gpiochip_get_data(chip); __le32 duration = cpu_to_le32(debounce); return dln2_transfer_tx(dln2->pdev, DLN2_GPIO_SET_DEBOUNCE, @@ -302,7 +302,7 @@ static int dln2_gpio_set_event_cfg(struct dln2_gpio *dln2, unsigned pin, static void dln2_irq_unmask(struct irq_data *irqd) { struct gpio_chip *gc = irq_data_get_irq_chip_data(irqd); - struct dln2_gpio *dln2 = container_of(gc, struct dln2_gpio, gpio); + struct dln2_gpio *dln2 = gpiochip_get_data(gc); int pin = irqd_to_hwirq(irqd); set_bit(pin, dln2->unmasked_irqs); @@ -311,7 +311,7 @@ static void dln2_irq_unmask(struct irq_data *irqd) static void dln2_irq_mask(struct irq_data *irqd) { struct gpio_chip *gc = irq_data_get_irq_chip_data(irqd); - struct dln2_gpio *dln2 = container_of(gc, struct dln2_gpio, gpio); + struct dln2_gpio *dln2 = gpiochip_get_data(gc); int pin = irqd_to_hwirq(irqd); clear_bit(pin, dln2->unmasked_irqs); @@ -320,7 +320,7 @@ static void dln2_irq_mask(struct irq_data *irqd) static int dln2_irq_set_type(struct irq_data *irqd, unsigned type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(irqd); - struct dln2_gpio *dln2 = container_of(gc, struct dln2_gpio, gpio); + struct dln2_gpio *dln2 = gpiochip_get_data(gc); int pin = irqd_to_hwirq(irqd); switch (type) { @@ -349,7 +349,7 @@ static int dln2_irq_set_type(struct irq_data *irqd, unsigned type) static void dln2_irq_bus_lock(struct irq_data *irqd) { struct gpio_chip *gc = irq_data_get_irq_chip_data(irqd); - struct dln2_gpio *dln2 = container_of(gc, struct dln2_gpio, gpio); + struct dln2_gpio *dln2 = gpiochip_get_data(gc); mutex_lock(&dln2->irq_lock); } @@ -357,7 +357,7 @@ static void dln2_irq_bus_lock(struct irq_data *irqd) static void dln2_irq_bus_unlock(struct irq_data *irqd) { struct gpio_chip *gc = irq_data_get_irq_chip_data(irqd); - struct dln2_gpio *dln2 = container_of(gc, struct dln2_gpio, gpio); + struct dln2_gpio *dln2 = gpiochip_get_data(gc); int pin = irqd_to_hwirq(irqd); int enabled, unmasked; unsigned type; @@ -377,7 +377,7 @@ static void dln2_irq_bus_unlock(struct irq_data *irqd) ret = dln2_gpio_set_event_cfg(dln2, pin, type, 0); if (ret) - dev_err(dln2->gpio.dev, "failed to set event\n"); + dev_err(dln2->gpio.parent, "failed to set event\n"); } mutex_unlock(&dln2->irq_lock); @@ -406,19 +406,19 @@ static void dln2_gpio_event(struct platform_device *pdev, u16 echo, struct dln2_gpio *dln2 = platform_get_drvdata(pdev); if (len < sizeof(*event)) { - dev_err(dln2->gpio.dev, "short event message\n"); + dev_err(dln2->gpio.parent, "short event message\n"); return; } pin = le16_to_cpu(event->pin); if (pin >= dln2->gpio.ngpio) { - dev_err(dln2->gpio.dev, "out of bounds pin %d\n", pin); + dev_err(dln2->gpio.parent, "out of bounds pin %d\n", pin); return; } irq = irq_find_mapping(dln2->gpio.irqdomain, pin); if (!irq) { - dev_err(dln2->gpio.dev, "pin %d not mapped to IRQ\n", pin); + dev_err(dln2->gpio.parent, "pin %d not mapped to IRQ\n", pin); return; } @@ -462,7 +462,7 @@ static int dln2_gpio_probe(struct platform_device *pdev) dln2->pdev = pdev; dln2->gpio.label = "dln2"; - dln2->gpio.dev = dev; + dln2->gpio.parent = dev; dln2->gpio.owner = THIS_MODULE; dln2->gpio.base = -1; dln2->gpio.ngpio = pins; @@ -479,7 +479,7 @@ static int dln2_gpio_probe(struct platform_device *pdev) platform_set_drvdata(pdev, dln2); - ret = gpiochip_add(&dln2->gpio); + ret = gpiochip_add_data(&dln2->gpio, dln2); if (ret < 0) { dev_err(dev, "failed to add gpio chip: %d\n", ret); goto out; diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index fcd5b0acfc72..597de1ef497b 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -7,7 +7,9 @@ * * All enquiries to support@picochip.com */ -#include <linux/basic_mmio_gpio.h> +#include <linux/gpio/driver.h> +/* FIXME: for gpio_get_value(), replace this with direct register read */ +#include <linux/gpio.h> #include <linux/err.h> #include <linux/init.h> #include <linux/interrupt.h> @@ -66,7 +68,7 @@ struct dwapb_context { #endif struct dwapb_gpio_port { - struct bgpio_chip bgc; + struct gpio_chip gc; bool is_registered; struct dwapb_gpio *gpio; #ifdef CONFIG_PM_SLEEP @@ -83,33 +85,26 @@ struct dwapb_gpio { struct irq_domain *domain; }; -static inline struct dwapb_gpio_port * -to_dwapb_gpio_port(struct bgpio_chip *bgc) -{ - return container_of(bgc, struct dwapb_gpio_port, bgc); -} - static inline u32 dwapb_read(struct dwapb_gpio *gpio, unsigned int offset) { - struct bgpio_chip *bgc = &gpio->ports[0].bgc; + struct gpio_chip *gc = &gpio->ports[0].gc; void __iomem *reg_base = gpio->regs; - return bgc->read_reg(reg_base + offset); + return gc->read_reg(reg_base + offset); } static inline void dwapb_write(struct dwapb_gpio *gpio, unsigned int offset, u32 val) { - struct bgpio_chip *bgc = &gpio->ports[0].bgc; + struct gpio_chip *gc = &gpio->ports[0].gc; void __iomem *reg_base = gpio->regs; - bgc->write_reg(reg_base + offset, val); + gc->write_reg(reg_base + offset, val); } static int dwapb_gpio_to_irq(struct gpio_chip *gc, unsigned offset) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - struct dwapb_gpio_port *port = to_dwapb_gpio_port(bgc); + struct dwapb_gpio_port *port = gpiochip_get_data(gc); struct dwapb_gpio *gpio = port->gpio; return irq_find_mapping(gpio->domain, offset); @@ -119,7 +114,7 @@ static void dwapb_toggle_trigger(struct dwapb_gpio *gpio, unsigned int offs) { u32 v = dwapb_read(gpio, GPIO_INT_POLARITY); - if (gpio_get_value(gpio->ports[0].bgc.gc.base + offs)) + if (gpio_get_value(gpio->ports[0].gc.base + offs)) v &= ~BIT(offs); else v |= BIT(offs); @@ -162,39 +157,39 @@ static void dwapb_irq_enable(struct irq_data *d) { struct irq_chip_generic *igc = irq_data_get_irq_chip_data(d); struct dwapb_gpio *gpio = igc->private; - struct bgpio_chip *bgc = &gpio->ports[0].bgc; + struct gpio_chip *gc = &gpio->ports[0].gc; unsigned long flags; u32 val; - spin_lock_irqsave(&bgc->lock, flags); + spin_lock_irqsave(&gc->bgpio_lock, flags); val = dwapb_read(gpio, GPIO_INTEN); val |= BIT(d->hwirq); dwapb_write(gpio, GPIO_INTEN, val); - spin_unlock_irqrestore(&bgc->lock, flags); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); } static void dwapb_irq_disable(struct irq_data *d) { struct irq_chip_generic *igc = irq_data_get_irq_chip_data(d); struct dwapb_gpio *gpio = igc->private; - struct bgpio_chip *bgc = &gpio->ports[0].bgc; + struct gpio_chip *gc = &gpio->ports[0].gc; unsigned long flags; u32 val; - spin_lock_irqsave(&bgc->lock, flags); + spin_lock_irqsave(&gc->bgpio_lock, flags); val = dwapb_read(gpio, GPIO_INTEN); val &= ~BIT(d->hwirq); dwapb_write(gpio, GPIO_INTEN, val); - spin_unlock_irqrestore(&bgc->lock, flags); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); } static int dwapb_irq_reqres(struct irq_data *d) { struct irq_chip_generic *igc = irq_data_get_irq_chip_data(d); struct dwapb_gpio *gpio = igc->private; - struct bgpio_chip *bgc = &gpio->ports[0].bgc; + struct gpio_chip *gc = &gpio->ports[0].gc; - if (gpiochip_lock_as_irq(&bgc->gc, irqd_to_hwirq(d))) { + if (gpiochip_lock_as_irq(gc, irqd_to_hwirq(d))) { dev_err(gpio->dev, "unable to lock HW IRQ %lu for IRQ\n", irqd_to_hwirq(d)); return -EINVAL; @@ -206,16 +201,16 @@ static void dwapb_irq_relres(struct irq_data *d) { struct irq_chip_generic *igc = irq_data_get_irq_chip_data(d); struct dwapb_gpio *gpio = igc->private; - struct bgpio_chip *bgc = &gpio->ports[0].bgc; + struct gpio_chip *gc = &gpio->ports[0].gc; - gpiochip_unlock_as_irq(&bgc->gc, irqd_to_hwirq(d)); + gpiochip_unlock_as_irq(gc, irqd_to_hwirq(d)); } static int dwapb_irq_set_type(struct irq_data *d, u32 type) { struct irq_chip_generic *igc = irq_data_get_irq_chip_data(d); struct dwapb_gpio *gpio = igc->private; - struct bgpio_chip *bgc = &gpio->ports[0].bgc; + struct gpio_chip *gc = &gpio->ports[0].gc; int bit = d->hwirq; unsigned long level, polarity, flags; @@ -223,7 +218,7 @@ static int dwapb_irq_set_type(struct irq_data *d, u32 type) IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) return -EINVAL; - spin_lock_irqsave(&bgc->lock, flags); + spin_lock_irqsave(&gc->bgpio_lock, flags); level = dwapb_read(gpio, GPIO_INTTYPE_LEVEL); polarity = dwapb_read(gpio, GPIO_INT_POLARITY); @@ -254,7 +249,7 @@ static int dwapb_irq_set_type(struct irq_data *d, u32 type) dwapb_write(gpio, GPIO_INTTYPE_LEVEL, level); dwapb_write(gpio, GPIO_INT_POLARITY, polarity); - spin_unlock_irqrestore(&bgc->lock, flags); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); return 0; } @@ -262,13 +257,12 @@ static int dwapb_irq_set_type(struct irq_data *d, u32 type) static int dwapb_gpio_set_debounce(struct gpio_chip *gc, unsigned offset, unsigned debounce) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - struct dwapb_gpio_port *port = to_dwapb_gpio_port(bgc); + struct dwapb_gpio_port *port = gpiochip_get_data(gc); struct dwapb_gpio *gpio = port->gpio; unsigned long flags, val_deb; - unsigned long mask = bgc->pin2mask(bgc, offset); + unsigned long mask = gc->pin2mask(gc, offset); - spin_lock_irqsave(&bgc->lock, flags); + spin_lock_irqsave(&gc->bgpio_lock, flags); val_deb = dwapb_read(gpio, GPIO_PORTA_DEBOUNCE); if (debounce) @@ -276,7 +270,7 @@ static int dwapb_gpio_set_debounce(struct gpio_chip *gc, else dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, val_deb & ~mask); - spin_unlock_irqrestore(&bgc->lock, flags); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); return 0; } @@ -295,7 +289,7 @@ static void dwapb_configure_irqs(struct dwapb_gpio *gpio, struct dwapb_gpio_port *port, struct dwapb_port_property *pp) { - struct gpio_chip *gc = &port->bgc.gc; + struct gpio_chip *gc = &port->gc; struct device_node *node = pp->node; struct irq_chip_generic *irq_gc = NULL; unsigned int hwirq, ngpio = gc->ngpio; @@ -369,13 +363,13 @@ static void dwapb_configure_irqs(struct dwapb_gpio *gpio, for (hwirq = 0 ; hwirq < ngpio ; hwirq++) irq_create_mapping(gpio->domain, hwirq); - port->bgc.gc.to_irq = dwapb_gpio_to_irq; + port->gc.to_irq = dwapb_gpio_to_irq; } static void dwapb_irq_teardown(struct dwapb_gpio *gpio) { struct dwapb_gpio_port *port = &gpio->ports[0]; - struct gpio_chip *gc = &port->bgc.gc; + struct gpio_chip *gc = &port->gc; unsigned int ngpio = gc->ngpio; irq_hw_number_t hwirq; @@ -412,7 +406,7 @@ static int dwapb_gpio_add_port(struct dwapb_gpio *gpio, dirout = gpio->regs + GPIO_SWPORTA_DDR + (pp->idx * GPIO_SWPORT_DDR_SIZE); - err = bgpio_init(&port->bgc, gpio->dev, 4, dat, set, NULL, dirout, + err = bgpio_init(&port->gc, gpio->dev, 4, dat, set, NULL, dirout, NULL, false); if (err) { dev_err(gpio->dev, "failed to init gpio chip for %s\n", @@ -421,19 +415,19 @@ static int dwapb_gpio_add_port(struct dwapb_gpio *gpio, } #ifdef CONFIG_OF_GPIO - port->bgc.gc.of_node = pp->node; + port->gc.of_node = pp->node; #endif - port->bgc.gc.ngpio = pp->ngpio; - port->bgc.gc.base = pp->gpio_base; + port->gc.ngpio = pp->ngpio; + port->gc.base = pp->gpio_base; /* Only port A support debounce */ if (pp->idx == 0) - port->bgc.gc.set_debounce = dwapb_gpio_set_debounce; + port->gc.set_debounce = dwapb_gpio_set_debounce; if (pp->irq) dwapb_configure_irqs(gpio, port, pp); - err = gpiochip_add(&port->bgc.gc); + err = gpiochip_add_data(&port->gc, port); if (err) dev_err(gpio->dev, "failed to register gpiochip for %s\n", pp->name); @@ -449,7 +443,7 @@ static void dwapb_gpio_unregister(struct dwapb_gpio *gpio) for (m = 0; m < gpio->nr_ports; ++m) if (gpio->ports[m].is_registered) - gpiochip_remove(&gpio->ports[m].bgc.gc); + gpiochip_remove(&gpio->ports[m].gc); } static struct dwapb_platform_data * @@ -591,11 +585,11 @@ static int dwapb_gpio_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct dwapb_gpio *gpio = platform_get_drvdata(pdev); - struct bgpio_chip *bgc = &gpio->ports[0].bgc; + struct gpio_chip *gc = &gpio->ports[0].gc; unsigned long flags; int i; - spin_lock_irqsave(&bgc->lock, flags); + spin_lock_irqsave(&gc->bgpio_lock, flags); for (i = 0; i < gpio->nr_ports; i++) { unsigned int offset; unsigned int idx = gpio->ports[i].idx; @@ -624,7 +618,7 @@ static int dwapb_gpio_suspend(struct device *dev) dwapb_write(gpio, GPIO_INTMASK, 0xffffffff); } } - spin_unlock_irqrestore(&bgc->lock, flags); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); return 0; } @@ -633,11 +627,11 @@ static int dwapb_gpio_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct dwapb_gpio *gpio = platform_get_drvdata(pdev); - struct bgpio_chip *bgc = &gpio->ports[0].bgc; + struct gpio_chip *gc = &gpio->ports[0].gc; unsigned long flags; int i; - spin_lock_irqsave(&bgc->lock, flags); + spin_lock_irqsave(&gc->bgpio_lock, flags); for (i = 0; i < gpio->nr_ports; i++) { unsigned int offset; unsigned int idx = gpio->ports[i].idx; @@ -666,7 +660,7 @@ static int dwapb_gpio_resume(struct device *dev) dwapb_write(gpio, GPIO_PORTA_EOI, 0xffffffff); } } - spin_unlock_irqrestore(&bgc->lock, flags); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); return 0; } diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c index 6bca1e125e12..8d32ccc980d9 100644 --- a/drivers/gpio/gpio-em.c +++ b/drivers/gpio/gpio-em.c @@ -103,7 +103,7 @@ static int em_gio_irq_reqres(struct irq_data *d) struct em_gio_priv *p = irq_data_get_irq_chip_data(d); if (gpiochip_lock_as_irq(&p->gpio_chip, irqd_to_hwirq(d))) { - dev_err(p->gpio_chip.dev, + dev_err(p->gpio_chip.parent, "unable to lock HW IRQ %lu for IRQ\n", irqd_to_hwirq(d)); return -EINVAL; @@ -192,7 +192,7 @@ static irqreturn_t em_gio_irq_handler(int irq, void *dev_id) static inline struct em_gio_priv *gpio_to_priv(struct gpio_chip *chip) { - return container_of(chip, struct em_gio_priv, gpio_chip); + return gpiochip_get_data(chip); } static int em_gio_direction_input(struct gpio_chip *chip, unsigned offset) @@ -203,7 +203,7 @@ static int em_gio_direction_input(struct gpio_chip *chip, unsigned offset) static int em_gio_get(struct gpio_chip *chip, unsigned offset) { - return (int)(em_gio_read(gpio_to_priv(chip), GIO_I) & BIT(offset)); + return !!(em_gio_read(gpio_to_priv(chip), GIO_I) & BIT(offset)); } static void __em_gio_set(struct gpio_chip *chip, unsigned int reg, @@ -332,7 +332,7 @@ static int em_gio_probe(struct platform_device *pdev) gpio_chip->request = em_gio_request; gpio_chip->free = em_gio_free; gpio_chip->label = name; - gpio_chip->dev = &pdev->dev; + gpio_chip->parent = &pdev->dev; gpio_chip->owner = THIS_MODULE; gpio_chip->base = -1; gpio_chip->ngpio = ngpios; @@ -368,7 +368,7 @@ static int em_gio_probe(struct platform_device *pdev) goto err1; } - ret = gpiochip_add(gpio_chip); + ret = gpiochip_add_data(gpio_chip, p); if (ret) { dev_err(&pdev->dev, "failed to add GPIO controller\n"); goto err1; diff --git a/drivers/gpio/gpio-ep93xx.c b/drivers/gpio/gpio-ep93xx.c index 3e3947b35c83..ad279078fed7 100644 --- a/drivers/gpio/gpio-ep93xx.c +++ b/drivers/gpio/gpio-ep93xx.c @@ -16,10 +16,11 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/io.h> -#include <linux/gpio.h> #include <linux/irq.h> #include <linux/slab.h> -#include <linux/basic_mmio_gpio.h> +#include <linux/gpio/driver.h> +/* FIXME: this is here for gpio_to_irq() - get rid of this! */ +#include <linux/gpio.h> #include <mach/hardware.h> #include <mach/gpio-ep93xx.h> @@ -28,7 +29,7 @@ struct ep93xx_gpio { void __iomem *mmio_base; - struct bgpio_chip bgc[8]; + struct gpio_chip gc[8]; }; /************************************************************************* @@ -319,26 +320,26 @@ static int ep93xx_gpio_to_irq(struct gpio_chip *chip, unsigned offset) return 64 + gpio; } -static int ep93xx_gpio_add_bank(struct bgpio_chip *bgc, struct device *dev, +static int ep93xx_gpio_add_bank(struct gpio_chip *gc, struct device *dev, void __iomem *mmio_base, struct ep93xx_gpio_bank *bank) { void __iomem *data = mmio_base + bank->data; void __iomem *dir = mmio_base + bank->dir; int err; - err = bgpio_init(bgc, dev, 1, data, NULL, NULL, dir, NULL, 0); + err = bgpio_init(gc, dev, 1, data, NULL, NULL, dir, NULL, 0); if (err) return err; - bgc->gc.label = bank->label; - bgc->gc.base = bank->base; + gc->label = bank->label; + gc->base = bank->base; if (bank->has_debounce) { - bgc->gc.set_debounce = ep93xx_gpio_set_debounce; - bgc->gc.to_irq = ep93xx_gpio_to_irq; + gc->set_debounce = ep93xx_gpio_set_debounce; + gc->to_irq = ep93xx_gpio_to_irq; } - return gpiochip_add(&bgc->gc); + return gpiochip_add_data(gc, NULL); } static int ep93xx_gpio_probe(struct platform_device *pdev) @@ -358,10 +359,10 @@ static int ep93xx_gpio_probe(struct platform_device *pdev) return PTR_ERR(ep93xx_gpio->mmio_base); for (i = 0; i < ARRAY_SIZE(ep93xx_gpio_banks); i++) { - struct bgpio_chip *bgc = &ep93xx_gpio->bgc[i]; + struct gpio_chip *gc = &ep93xx_gpio->gc[i]; struct ep93xx_gpio_bank *bank = &ep93xx_gpio_banks[i]; - if (ep93xx_gpio_add_bank(bgc, &pdev->dev, + if (ep93xx_gpio_add_bank(gc, &pdev->dev, ep93xx_gpio->mmio_base, bank)) dev_warn(&pdev->dev, "Unable to add gpio bank %s\n", bank->label); diff --git a/drivers/gpio/gpio-etraxfs.c b/drivers/gpio/gpio-etraxfs.c index 5c15dd12172d..00b022c9acb3 100644 --- a/drivers/gpio/gpio-etraxfs.c +++ b/drivers/gpio/gpio-etraxfs.c @@ -1,12 +1,10 @@ #include <linux/kernel.h> #include <linux/init.h> -#include <linux/gpio.h> #include <linux/gpio/driver.h> #include <linux/of_gpio.h> #include <linux/io.h> #include <linux/interrupt.h> #include <linux/platform_device.h> -#include <linux/basic_mmio_gpio.h> #define ETRAX_FS_rw_pa_dout 0 #define ETRAX_FS_r_pa_din 4 @@ -67,7 +65,7 @@ struct etraxfs_gpio_block { }; struct etraxfs_gpio_chip { - struct bgpio_chip bgc; + struct gpio_chip gc; struct etraxfs_gpio_block *block; }; @@ -176,11 +174,6 @@ static const struct etraxfs_gpio_info etraxfs_gpio_artpec3 = { .rw_intr_pins = ARTPEC3_rw_intr_pins, }; -static struct etraxfs_gpio_chip *to_etraxfs(struct gpio_chip *gc) -{ - return container_of(gc, struct etraxfs_gpio_chip, bgc.gc); -} - static unsigned int etraxfs_gpio_chip_to_port(struct gpio_chip *gc) { return gc->label[0] - 'A'; @@ -220,13 +213,13 @@ static unsigned int etraxfs_gpio_to_group_irq(unsigned int gpio) static unsigned int etraxfs_gpio_to_group_pin(struct etraxfs_gpio_chip *chip, unsigned int gpio) { - return 4 * etraxfs_gpio_chip_to_port(&chip->bgc.gc) + gpio / 8; + return 4 * etraxfs_gpio_chip_to_port(&chip->gc) + gpio / 8; } static void etraxfs_gpio_irq_ack(struct irq_data *d) { struct etraxfs_gpio_chip *chip = - to_etraxfs(irq_data_get_irq_chip_data(d)); + gpiochip_get_data(irq_data_get_irq_chip_data(d)); struct etraxfs_gpio_block *block = chip->block; unsigned int grpirq = etraxfs_gpio_to_group_irq(d->hwirq); @@ -236,7 +229,7 @@ static void etraxfs_gpio_irq_ack(struct irq_data *d) static void etraxfs_gpio_irq_mask(struct irq_data *d) { struct etraxfs_gpio_chip *chip = - to_etraxfs(irq_data_get_irq_chip_data(d)); + gpiochip_get_data(irq_data_get_irq_chip_data(d)); struct etraxfs_gpio_block *block = chip->block; unsigned int grpirq = etraxfs_gpio_to_group_irq(d->hwirq); @@ -249,7 +242,7 @@ static void etraxfs_gpio_irq_mask(struct irq_data *d) static void etraxfs_gpio_irq_unmask(struct irq_data *d) { struct etraxfs_gpio_chip *chip = - to_etraxfs(irq_data_get_irq_chip_data(d)); + gpiochip_get_data(irq_data_get_irq_chip_data(d)); struct etraxfs_gpio_block *block = chip->block; unsigned int grpirq = etraxfs_gpio_to_group_irq(d->hwirq); @@ -262,7 +255,7 @@ static void etraxfs_gpio_irq_unmask(struct irq_data *d) static int etraxfs_gpio_irq_set_type(struct irq_data *d, u32 type) { struct etraxfs_gpio_chip *chip = - to_etraxfs(irq_data_get_irq_chip_data(d)); + gpiochip_get_data(irq_data_get_irq_chip_data(d)); struct etraxfs_gpio_block *block = chip->block; unsigned int grpirq = etraxfs_gpio_to_group_irq(d->hwirq); u32 cfg; @@ -299,7 +292,7 @@ static int etraxfs_gpio_irq_set_type(struct irq_data *d, u32 type) static int etraxfs_gpio_irq_request_resources(struct irq_data *d) { struct etraxfs_gpio_chip *chip = - to_etraxfs(irq_data_get_irq_chip_data(d)); + gpiochip_get_data(irq_data_get_irq_chip_data(d)); struct etraxfs_gpio_block *block = chip->block; unsigned int grpirq = etraxfs_gpio_to_group_irq(d->hwirq); int ret = -EBUSY; @@ -308,7 +301,7 @@ static int etraxfs_gpio_irq_request_resources(struct irq_data *d) if (block->group[grpirq]) goto out; - ret = gpiochip_lock_as_irq(&chip->bgc.gc, d->hwirq); + ret = gpiochip_lock_as_irq(&chip->gc, d->hwirq); if (ret) goto out; @@ -330,13 +323,13 @@ out: static void etraxfs_gpio_irq_release_resources(struct irq_data *d) { struct etraxfs_gpio_chip *chip = - to_etraxfs(irq_data_get_irq_chip_data(d)); + gpiochip_get_data(irq_data_get_irq_chip_data(d)); struct etraxfs_gpio_block *block = chip->block; unsigned int grpirq = etraxfs_gpio_to_group_irq(d->hwirq); spin_lock(&block->lock); block->group[grpirq] = 0; - gpiochip_unlock_as_irq(&chip->bgc.gc, d->hwirq); + gpiochip_unlock_as_irq(&chip->gc, d->hwirq); spin_unlock(&block->lock); } @@ -419,7 +412,7 @@ static int etraxfs_gpio_probe(struct platform_device *pdev) for (i = 0; i < info->num_ports; i++) { struct etraxfs_gpio_chip *chip = &chips[i]; - struct bgpio_chip *bgc = &chip->bgc; + struct gpio_chip *gc = &chip->gc; const struct etraxfs_gpio_port *port = &info->ports[i]; unsigned long flags = BGPIOF_READ_OUTPUT_REG_SET; void __iomem *dat = regs + port->din; @@ -433,7 +426,7 @@ static int etraxfs_gpio_probe(struct platform_device *pdev) flags = BGPIOF_NO_OUTPUT; } - ret = bgpio_init(bgc, dev, 4, + ret = bgpio_init(gc, dev, 4, dat, set, NULL, dirout, NULL, flags); if (ret) { @@ -442,28 +435,28 @@ static int etraxfs_gpio_probe(struct platform_device *pdev) continue; } - bgc->gc.ngpio = port->ngpio; - bgc->gc.label = port->label; + gc->ngpio = port->ngpio; + gc->label = port->label; - bgc->gc.of_node = dev->of_node; - bgc->gc.of_gpio_n_cells = 3; - bgc->gc.of_xlate = etraxfs_gpio_of_xlate; + gc->of_node = dev->of_node; + gc->of_gpio_n_cells = 3; + gc->of_xlate = etraxfs_gpio_of_xlate; - ret = gpiochip_add(&bgc->gc); + ret = gpiochip_add_data(gc, chip); if (ret) { dev_err(dev, "Unable to register port %s\n", - bgc->gc.label); + gc->label); continue; } if (i > 0 && !allportsirq) continue; - ret = gpiochip_irqchip_add(&bgc->gc, &etraxfs_gpio_irq_chip, 0, + ret = gpiochip_irqchip_add(gc, &etraxfs_gpio_irq_chip, 0, handle_level_irq, IRQ_TYPE_NONE); if (ret) { dev_err(dev, "Unable to add irqchip to port %s\n", - bgc->gc.label); + gc->label); } } diff --git a/drivers/gpio/gpio-f7188x.c b/drivers/gpio/gpio-f7188x.c index 5e3c4fa67d82..d62fd6bbaf82 100644 --- a/drivers/gpio/gpio-f7188x.c +++ b/drivers/gpio/gpio-f7188x.c @@ -193,8 +193,7 @@ static struct f7188x_gpio_bank f71889_gpio_bank[] = { static int f7188x_gpio_direction_in(struct gpio_chip *chip, unsigned offset) { int err; - struct f7188x_gpio_bank *bank = - container_of(chip, struct f7188x_gpio_bank, chip); + struct f7188x_gpio_bank *bank = gpiochip_get_data(chip); struct f7188x_sio *sio = bank->data->sio; u8 dir; @@ -215,8 +214,7 @@ static int f7188x_gpio_direction_in(struct gpio_chip *chip, unsigned offset) static int f7188x_gpio_get(struct gpio_chip *chip, unsigned offset) { int err; - struct f7188x_gpio_bank *bank = - container_of(chip, struct f7188x_gpio_bank, chip); + struct f7188x_gpio_bank *bank = gpiochip_get_data(chip); struct f7188x_sio *sio = bank->data->sio; u8 dir, data; @@ -241,8 +239,7 @@ static int f7188x_gpio_direction_out(struct gpio_chip *chip, unsigned offset, int value) { int err; - struct f7188x_gpio_bank *bank = - container_of(chip, struct f7188x_gpio_bank, chip); + struct f7188x_gpio_bank *bank = gpiochip_get_data(chip); struct f7188x_sio *sio = bank->data->sio; u8 dir, data_out; @@ -270,8 +267,7 @@ static int f7188x_gpio_direction_out(struct gpio_chip *chip, static void f7188x_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { int err; - struct f7188x_gpio_bank *bank = - container_of(chip, struct f7188x_gpio_bank, chip); + struct f7188x_gpio_bank *bank = gpiochip_get_data(chip); struct f7188x_sio *sio = bank->data->sio; u8 data_out; @@ -298,7 +294,7 @@ static int f7188x_gpio_probe(struct platform_device *pdev) { int err; int i; - struct f7188x_sio *sio = pdev->dev.platform_data; + struct f7188x_sio *sio = dev_get_platdata(&pdev->dev); struct f7188x_gpio_data *data; data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); @@ -333,10 +329,10 @@ static int f7188x_gpio_probe(struct platform_device *pdev) for (i = 0; i < data->nr_bank; i++) { struct f7188x_gpio_bank *bank = &data->bank[i]; - bank->chip.dev = &pdev->dev; + bank->chip.parent = &pdev->dev; bank->data = data; - err = gpiochip_add(&bank->chip); + err = gpiochip_add_data(&bank->chip, bank); if (err) { dev_err(&pdev->dev, "Failed to register gpiochip %d: %d\n", diff --git a/drivers/gpio/gpio-ge.c b/drivers/gpio/gpio-ge.c index f9ac3f351753..cbbec838a9d1 100644 --- a/drivers/gpio/gpio-ge.c +++ b/drivers/gpio/gpio-ge.c @@ -24,7 +24,7 @@ #include <linux/of_gpio.h> #include <linux/of_address.h> #include <linux/module.h> -#include <linux/basic_mmio_gpio.h> +#include <linux/gpio/driver.h> #define GEF_GPIO_DIRECT 0x00 #define GEF_GPIO_IN 0x04 @@ -55,19 +55,19 @@ static int __init gef_gpio_probe(struct platform_device *pdev) { const struct of_device_id *of_id = of_match_device(gef_gpio_ids, &pdev->dev); - struct bgpio_chip *bgc; + struct gpio_chip *gc; void __iomem *regs; int ret; - bgc = devm_kzalloc(&pdev->dev, sizeof(*bgc), GFP_KERNEL); - if (!bgc) + gc = devm_kzalloc(&pdev->dev, sizeof(*gc), GFP_KERNEL); + if (!gc) return -ENOMEM; regs = of_iomap(pdev->dev.of_node, 0); if (!regs) return -ENOMEM; - ret = bgpio_init(bgc, &pdev->dev, 4, regs + GEF_GPIO_IN, + ret = bgpio_init(gc, &pdev->dev, 4, regs + GEF_GPIO_IN, regs + GEF_GPIO_OUT, NULL, NULL, regs + GEF_GPIO_DIRECT, BGPIOF_BIG_ENDIAN_BYTE_ORDER); if (ret) { @@ -76,20 +76,20 @@ static int __init gef_gpio_probe(struct platform_device *pdev) } /* Setup pointers to chip functions */ - bgc->gc.label = devm_kstrdup(&pdev->dev, pdev->dev.of_node->full_name, + gc->label = devm_kstrdup(&pdev->dev, pdev->dev.of_node->full_name, GFP_KERNEL); - if (!bgc->gc.label) { + if (!gc->label) { ret = -ENOMEM; goto err0; } - bgc->gc.base = -1; - bgc->gc.ngpio = (u16)(uintptr_t)of_id->data; - bgc->gc.of_gpio_n_cells = 2; - bgc->gc.of_node = pdev->dev.of_node; + gc->base = -1; + gc->ngpio = (u16)(uintptr_t)of_id->data; + gc->of_gpio_n_cells = 2; + gc->of_node = pdev->dev.of_node; /* This function adds a memory mapped GPIO chip */ - ret = gpiochip_add(&bgc->gc); + ret = gpiochip_add_data(gc, NULL); if (ret) goto err0; diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c index 88ae70ddb127..2a4f2333a50b 100644 --- a/drivers/gpio/gpio-generic.c +++ b/drivers/gpio/gpio-generic.c @@ -56,11 +56,11 @@ o ` ~~~~\___/~~~~ ` controller in FPGA is ,.` #include <linux/log2.h> #include <linux/ioport.h> #include <linux/io.h> -#include <linux/gpio.h> +#include <linux/gpio/driver.h> #include <linux/slab.h> +#include <linux/bitops.h> #include <linux/platform_device.h> #include <linux/mod_devicetable.h> -#include <linux/basic_mmio_gpio.h> static void bgpio_write8(void __iomem *reg, unsigned long data) { @@ -124,33 +124,30 @@ static unsigned long bgpio_read32be(void __iomem *reg) return ioread32be(reg); } -static unsigned long bgpio_pin2mask(struct bgpio_chip *bgc, unsigned int pin) +static unsigned long bgpio_pin2mask(struct gpio_chip *gc, unsigned int pin) { - return 1 << pin; + return BIT(pin); } -static unsigned long bgpio_pin2mask_be(struct bgpio_chip *bgc, +static unsigned long bgpio_pin2mask_be(struct gpio_chip *gc, unsigned int pin) { - return 1 << (bgc->bits - 1 - pin); + return BIT(gc->bgpio_bits - 1 - pin); } static int bgpio_get_set(struct gpio_chip *gc, unsigned int gpio) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - unsigned long pinmask = bgc->pin2mask(bgc, gpio); + unsigned long pinmask = gc->pin2mask(gc, gpio); - if (bgc->dir & pinmask) - return !!(bgc->read_reg(bgc->reg_set) & pinmask); + if (gc->bgpio_dir & pinmask) + return !!(gc->read_reg(gc->reg_set) & pinmask); else - return !!(bgc->read_reg(bgc->reg_dat) & pinmask); + return !!(gc->read_reg(gc->reg_dat) & pinmask); } static int bgpio_get(struct gpio_chip *gc, unsigned int gpio) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - - return !!(bgc->read_reg(bgc->reg_dat) & bgc->pin2mask(bgc, gpio)); + return !!(gc->read_reg(gc->reg_dat) & gc->pin2mask(gc, gpio)); } static void bgpio_set_none(struct gpio_chip *gc, unsigned int gpio, int val) @@ -159,53 +156,50 @@ static void bgpio_set_none(struct gpio_chip *gc, unsigned int gpio, int val) static void bgpio_set(struct gpio_chip *gc, unsigned int gpio, int val) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - unsigned long mask = bgc->pin2mask(bgc, gpio); + unsigned long mask = gc->pin2mask(gc, gpio); unsigned long flags; - spin_lock_irqsave(&bgc->lock, flags); + spin_lock_irqsave(&gc->bgpio_lock, flags); if (val) - bgc->data |= mask; + gc->bgpio_data |= mask; else - bgc->data &= ~mask; + gc->bgpio_data &= ~mask; - bgc->write_reg(bgc->reg_dat, bgc->data); + gc->write_reg(gc->reg_dat, gc->bgpio_data); - spin_unlock_irqrestore(&bgc->lock, flags); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); } static void bgpio_set_with_clear(struct gpio_chip *gc, unsigned int gpio, int val) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - unsigned long mask = bgc->pin2mask(bgc, gpio); + unsigned long mask = gc->pin2mask(gc, gpio); if (val) - bgc->write_reg(bgc->reg_set, mask); + gc->write_reg(gc->reg_set, mask); else - bgc->write_reg(bgc->reg_clr, mask); + gc->write_reg(gc->reg_clr, mask); } static void bgpio_set_set(struct gpio_chip *gc, unsigned int gpio, int val) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - unsigned long mask = bgc->pin2mask(bgc, gpio); + unsigned long mask = gc->pin2mask(gc, gpio); unsigned long flags; - spin_lock_irqsave(&bgc->lock, flags); + spin_lock_irqsave(&gc->bgpio_lock, flags); if (val) - bgc->data |= mask; + gc->bgpio_data |= mask; else - bgc->data &= ~mask; + gc->bgpio_data &= ~mask; - bgc->write_reg(bgc->reg_set, bgc->data); + gc->write_reg(gc->reg_set, gc->bgpio_data); - spin_unlock_irqrestore(&bgc->lock, flags); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); } -static void bgpio_multiple_get_masks(struct bgpio_chip *bgc, +static void bgpio_multiple_get_masks(struct gpio_chip *gc, unsigned long *mask, unsigned long *bits, unsigned long *set_mask, unsigned long *clear_mask) @@ -215,19 +209,19 @@ static void bgpio_multiple_get_masks(struct bgpio_chip *bgc, *set_mask = 0; *clear_mask = 0; - for (i = 0; i < bgc->bits; i++) { + for (i = 0; i < gc->bgpio_bits; i++) { if (*mask == 0) break; if (__test_and_clear_bit(i, mask)) { if (test_bit(i, bits)) - *set_mask |= bgc->pin2mask(bgc, i); + *set_mask |= gc->pin2mask(gc, i); else - *clear_mask |= bgc->pin2mask(bgc, i); + *clear_mask |= gc->pin2mask(gc, i); } } } -static void bgpio_set_multiple_single_reg(struct bgpio_chip *bgc, +static void bgpio_set_multiple_single_reg(struct gpio_chip *gc, unsigned long *mask, unsigned long *bits, void __iomem *reg) @@ -235,47 +229,42 @@ static void bgpio_set_multiple_single_reg(struct bgpio_chip *bgc, unsigned long flags; unsigned long set_mask, clear_mask; - spin_lock_irqsave(&bgc->lock, flags); + spin_lock_irqsave(&gc->bgpio_lock, flags); - bgpio_multiple_get_masks(bgc, mask, bits, &set_mask, &clear_mask); + bgpio_multiple_get_masks(gc, mask, bits, &set_mask, &clear_mask); - bgc->data |= set_mask; - bgc->data &= ~clear_mask; + gc->bgpio_data |= set_mask; + gc->bgpio_data &= ~clear_mask; - bgc->write_reg(reg, bgc->data); + gc->write_reg(reg, gc->bgpio_data); - spin_unlock_irqrestore(&bgc->lock, flags); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); } static void bgpio_set_multiple(struct gpio_chip *gc, unsigned long *mask, unsigned long *bits) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - - bgpio_set_multiple_single_reg(bgc, mask, bits, bgc->reg_dat); + bgpio_set_multiple_single_reg(gc, mask, bits, gc->reg_dat); } static void bgpio_set_multiple_set(struct gpio_chip *gc, unsigned long *mask, unsigned long *bits) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - - bgpio_set_multiple_single_reg(bgc, mask, bits, bgc->reg_set); + bgpio_set_multiple_single_reg(gc, mask, bits, gc->reg_set); } static void bgpio_set_multiple_with_clear(struct gpio_chip *gc, unsigned long *mask, unsigned long *bits) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); unsigned long set_mask, clear_mask; - bgpio_multiple_get_masks(bgc, mask, bits, &set_mask, &clear_mask); + bgpio_multiple_get_masks(gc, mask, bits, &set_mask, &clear_mask); if (set_mask) - bgc->write_reg(bgc->reg_set, set_mask); + gc->write_reg(gc->reg_set, set_mask); if (clear_mask) - bgc->write_reg(bgc->reg_clr, clear_mask); + gc->write_reg(gc->reg_clr, clear_mask); } static int bgpio_simple_dir_in(struct gpio_chip *gc, unsigned int gpio) @@ -299,111 +288,103 @@ static int bgpio_simple_dir_out(struct gpio_chip *gc, unsigned int gpio, static int bgpio_dir_in(struct gpio_chip *gc, unsigned int gpio) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); unsigned long flags; - spin_lock_irqsave(&bgc->lock, flags); + spin_lock_irqsave(&gc->bgpio_lock, flags); - bgc->dir &= ~bgc->pin2mask(bgc, gpio); - bgc->write_reg(bgc->reg_dir, bgc->dir); + gc->bgpio_dir &= ~gc->pin2mask(gc, gpio); + gc->write_reg(gc->reg_dir, gc->bgpio_dir); - spin_unlock_irqrestore(&bgc->lock, flags); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); return 0; } static int bgpio_get_dir(struct gpio_chip *gc, unsigned int gpio) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - - return (bgc->read_reg(bgc->reg_dir) & bgc->pin2mask(bgc, gpio)) ? - GPIOF_DIR_OUT : GPIOF_DIR_IN; + /* Return 0 if output, 1 of input */ + return !(gc->read_reg(gc->reg_dir) & gc->pin2mask(gc, gpio)); } static int bgpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); unsigned long flags; gc->set(gc, gpio, val); - spin_lock_irqsave(&bgc->lock, flags); + spin_lock_irqsave(&gc->bgpio_lock, flags); - bgc->dir |= bgc->pin2mask(bgc, gpio); - bgc->write_reg(bgc->reg_dir, bgc->dir); + gc->bgpio_dir |= gc->pin2mask(gc, gpio); + gc->write_reg(gc->reg_dir, gc->bgpio_dir); - spin_unlock_irqrestore(&bgc->lock, flags); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); return 0; } static int bgpio_dir_in_inv(struct gpio_chip *gc, unsigned int gpio) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); unsigned long flags; - spin_lock_irqsave(&bgc->lock, flags); + spin_lock_irqsave(&gc->bgpio_lock, flags); - bgc->dir |= bgc->pin2mask(bgc, gpio); - bgc->write_reg(bgc->reg_dir, bgc->dir); + gc->bgpio_dir |= gc->pin2mask(gc, gpio); + gc->write_reg(gc->reg_dir, gc->bgpio_dir); - spin_unlock_irqrestore(&bgc->lock, flags); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); return 0; } static int bgpio_dir_out_inv(struct gpio_chip *gc, unsigned int gpio, int val) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); unsigned long flags; gc->set(gc, gpio, val); - spin_lock_irqsave(&bgc->lock, flags); + spin_lock_irqsave(&gc->bgpio_lock, flags); - bgc->dir &= ~bgc->pin2mask(bgc, gpio); - bgc->write_reg(bgc->reg_dir, bgc->dir); + gc->bgpio_dir &= ~gc->pin2mask(gc, gpio); + gc->write_reg(gc->reg_dir, gc->bgpio_dir); - spin_unlock_irqrestore(&bgc->lock, flags); + spin_unlock_irqrestore(&gc->bgpio_lock, flags); return 0; } static int bgpio_get_dir_inv(struct gpio_chip *gc, unsigned int gpio) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - - return (bgc->read_reg(bgc->reg_dir) & bgc->pin2mask(bgc, gpio)) ? - GPIOF_DIR_IN : GPIOF_DIR_OUT; + /* Return 0 if output, 1 if input */ + return !!(gc->read_reg(gc->reg_dir) & gc->pin2mask(gc, gpio)); } static int bgpio_setup_accessors(struct device *dev, - struct bgpio_chip *bgc, + struct gpio_chip *gc, bool bit_be, bool byte_be) { - switch (bgc->bits) { + switch (gc->bgpio_bits) { case 8: - bgc->read_reg = bgpio_read8; - bgc->write_reg = bgpio_write8; + gc->read_reg = bgpio_read8; + gc->write_reg = bgpio_write8; break; case 16: if (byte_be) { - bgc->read_reg = bgpio_read16be; - bgc->write_reg = bgpio_write16be; + gc->read_reg = bgpio_read16be; + gc->write_reg = bgpio_write16be; } else { - bgc->read_reg = bgpio_read16; - bgc->write_reg = bgpio_write16; + gc->read_reg = bgpio_read16; + gc->write_reg = bgpio_write16; } break; case 32: if (byte_be) { - bgc->read_reg = bgpio_read32be; - bgc->write_reg = bgpio_write32be; + gc->read_reg = bgpio_read32be; + gc->write_reg = bgpio_write32be; } else { - bgc->read_reg = bgpio_read32; - bgc->write_reg = bgpio_write32; + gc->read_reg = bgpio_read32; + gc->write_reg = bgpio_write32; } break; #if BITS_PER_LONG >= 64 @@ -413,17 +394,17 @@ static int bgpio_setup_accessors(struct device *dev, "64 bit big endian byte order unsupported\n"); return -EINVAL; } else { - bgc->read_reg = bgpio_read64; - bgc->write_reg = bgpio_write64; + gc->read_reg = bgpio_read64; + gc->write_reg = bgpio_write64; } break; #endif /* BITS_PER_LONG >= 64 */ default: - dev_err(dev, "unsupported data width %u bits\n", bgc->bits); + dev_err(dev, "unsupported data width %u bits\n", gc->bgpio_bits); return -EINVAL; } - bgc->pin2mask = bit_be ? bgpio_pin2mask_be : bgpio_pin2mask; + gc->pin2mask = bit_be ? bgpio_pin2mask_be : bgpio_pin2mask; return 0; } @@ -450,44 +431,44 @@ static int bgpio_setup_accessors(struct device *dev, * - an input direction register (named "dirin") where a 1 bit indicates * the GPIO is an input. */ -static int bgpio_setup_io(struct bgpio_chip *bgc, +static int bgpio_setup_io(struct gpio_chip *gc, void __iomem *dat, void __iomem *set, void __iomem *clr, unsigned long flags) { - bgc->reg_dat = dat; - if (!bgc->reg_dat) + gc->reg_dat = dat; + if (!gc->reg_dat) return -EINVAL; if (set && clr) { - bgc->reg_set = set; - bgc->reg_clr = clr; - bgc->gc.set = bgpio_set_with_clear; - bgc->gc.set_multiple = bgpio_set_multiple_with_clear; + gc->reg_set = set; + gc->reg_clr = clr; + gc->set = bgpio_set_with_clear; + gc->set_multiple = bgpio_set_multiple_with_clear; } else if (set && !clr) { - bgc->reg_set = set; - bgc->gc.set = bgpio_set_set; - bgc->gc.set_multiple = bgpio_set_multiple_set; + gc->reg_set = set; + gc->set = bgpio_set_set; + gc->set_multiple = bgpio_set_multiple_set; } else if (flags & BGPIOF_NO_OUTPUT) { - bgc->gc.set = bgpio_set_none; - bgc->gc.set_multiple = NULL; + gc->set = bgpio_set_none; + gc->set_multiple = NULL; } else { - bgc->gc.set = bgpio_set; - bgc->gc.set_multiple = bgpio_set_multiple; + gc->set = bgpio_set; + gc->set_multiple = bgpio_set_multiple; } if (!(flags & BGPIOF_UNREADABLE_REG_SET) && (flags & BGPIOF_READ_OUTPUT_REG_SET)) - bgc->gc.get = bgpio_get_set; + gc->get = bgpio_get_set; else - bgc->gc.get = bgpio_get; + gc->get = bgpio_get; return 0; } -static int bgpio_setup_direction(struct bgpio_chip *bgc, +static int bgpio_setup_direction(struct gpio_chip *gc, void __iomem *dirout, void __iomem *dirin, unsigned long flags) @@ -495,21 +476,21 @@ static int bgpio_setup_direction(struct bgpio_chip *bgc, if (dirout && dirin) { return -EINVAL; } else if (dirout) { - bgc->reg_dir = dirout; - bgc->gc.direction_output = bgpio_dir_out; - bgc->gc.direction_input = bgpio_dir_in; - bgc->gc.get_direction = bgpio_get_dir; + gc->reg_dir = dirout; + gc->direction_output = bgpio_dir_out; + gc->direction_input = bgpio_dir_in; + gc->get_direction = bgpio_get_dir; } else if (dirin) { - bgc->reg_dir = dirin; - bgc->gc.direction_output = bgpio_dir_out_inv; - bgc->gc.direction_input = bgpio_dir_in_inv; - bgc->gc.get_direction = bgpio_get_dir_inv; + gc->reg_dir = dirin; + gc->direction_output = bgpio_dir_out_inv; + gc->direction_input = bgpio_dir_in_inv; + gc->get_direction = bgpio_get_dir_inv; } else { if (flags & BGPIOF_NO_OUTPUT) - bgc->gc.direction_output = bgpio_dir_out_err; + gc->direction_output = bgpio_dir_out_err; else - bgc->gc.direction_output = bgpio_simple_dir_out; - bgc->gc.direction_input = bgpio_simple_dir_in; + gc->direction_output = bgpio_simple_dir_out; + gc->direction_input = bgpio_simple_dir_in; } return 0; @@ -523,14 +504,7 @@ static int bgpio_request(struct gpio_chip *chip, unsigned gpio_pin) return -EINVAL; } -int bgpio_remove(struct bgpio_chip *bgc) -{ - gpiochip_remove(&bgc->gc); - return 0; -} -EXPORT_SYMBOL_GPL(bgpio_remove); - -int bgpio_init(struct bgpio_chip *bgc, struct device *dev, +int bgpio_init(struct gpio_chip *gc, struct device *dev, unsigned long sz, void __iomem *dat, void __iomem *set, void __iomem *clr, void __iomem *dirout, void __iomem *dirin, unsigned long flags) @@ -540,36 +514,36 @@ int bgpio_init(struct bgpio_chip *bgc, struct device *dev, if (!is_power_of_2(sz)) return -EINVAL; - bgc->bits = sz * 8; - if (bgc->bits > BITS_PER_LONG) + gc->bgpio_bits = sz * 8; + if (gc->bgpio_bits > BITS_PER_LONG) return -EINVAL; - spin_lock_init(&bgc->lock); - bgc->gc.dev = dev; - bgc->gc.label = dev_name(dev); - bgc->gc.base = -1; - bgc->gc.ngpio = bgc->bits; - bgc->gc.request = bgpio_request; + spin_lock_init(&gc->bgpio_lock); + gc->parent = dev; + gc->label = dev_name(dev); + gc->base = -1; + gc->ngpio = gc->bgpio_bits; + gc->request = bgpio_request; - ret = bgpio_setup_io(bgc, dat, set, clr, flags); + ret = bgpio_setup_io(gc, dat, set, clr, flags); if (ret) return ret; - ret = bgpio_setup_accessors(dev, bgc, flags & BGPIOF_BIG_ENDIAN, + ret = bgpio_setup_accessors(dev, gc, flags & BGPIOF_BIG_ENDIAN, flags & BGPIOF_BIG_ENDIAN_BYTE_ORDER); if (ret) return ret; - ret = bgpio_setup_direction(bgc, dirout, dirin, flags); + ret = bgpio_setup_direction(gc, dirout, dirin, flags); if (ret) return ret; - bgc->data = bgc->read_reg(bgc->reg_dat); - if (bgc->gc.set == bgpio_set_set && + gc->bgpio_data = gc->read_reg(gc->reg_dat); + if (gc->set == bgpio_set_set && !(flags & BGPIOF_UNREADABLE_REG_SET)) - bgc->data = bgc->read_reg(bgc->reg_set); - if (bgc->reg_dir && !(flags & BGPIOF_UNREADABLE_REG_DIR)) - bgc->dir = bgc->read_reg(bgc->reg_dir); + gc->bgpio_data = gc->read_reg(gc->reg_set); + if (gc->reg_dir && !(flags & BGPIOF_UNREADABLE_REG_DIR)) + gc->bgpio_dir = gc->read_reg(gc->reg_dir); return ret; } @@ -607,7 +581,7 @@ static int bgpio_pdev_probe(struct platform_device *pdev) unsigned long sz; unsigned long flags = pdev->id_entry->driver_data; int err; - struct bgpio_chip *bgc; + struct gpio_chip *gc; struct bgpio_pdata *pdata = dev_get_platdata(dev); r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dat"); @@ -636,32 +610,33 @@ static int bgpio_pdev_probe(struct platform_device *pdev) if (IS_ERR(dirin)) return PTR_ERR(dirin); - bgc = devm_kzalloc(&pdev->dev, sizeof(*bgc), GFP_KERNEL); - if (!bgc) + gc = devm_kzalloc(&pdev->dev, sizeof(*gc), GFP_KERNEL); + if (!gc) return -ENOMEM; - err = bgpio_init(bgc, dev, sz, dat, set, clr, dirout, dirin, flags); + err = bgpio_init(gc, dev, sz, dat, set, clr, dirout, dirin, flags); if (err) return err; if (pdata) { if (pdata->label) - bgc->gc.label = pdata->label; - bgc->gc.base = pdata->base; + gc->label = pdata->label; + gc->base = pdata->base; if (pdata->ngpio > 0) - bgc->gc.ngpio = pdata->ngpio; + gc->ngpio = pdata->ngpio; } - platform_set_drvdata(pdev, bgc); + platform_set_drvdata(pdev, gc); - return gpiochip_add(&bgc->gc); + return gpiochip_add_data(gc, NULL); } static int bgpio_pdev_remove(struct platform_device *pdev) { - struct bgpio_chip *bgc = platform_get_drvdata(pdev); + struct gpio_chip *gc = platform_get_drvdata(pdev); - return bgpio_remove(bgc); + gpiochip_remove(gc); + return 0; } static const struct platform_device_id bgpio_id_table[] = { diff --git a/drivers/gpio/gpio-grgpio.c b/drivers/gpio/gpio-grgpio.c index 801423fe8143..7847dd34f86f 100644 --- a/drivers/gpio/gpio-grgpio.c +++ b/drivers/gpio/gpio-grgpio.c @@ -31,7 +31,7 @@ #include <linux/gpio.h> #include <linux/slab.h> #include <linux/err.h> -#include <linux/basic_mmio_gpio.h> +#include <linux/gpio/driver.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/irqdomain.h> @@ -63,7 +63,7 @@ struct grgpio_lirq { }; struct grgpio_priv { - struct bgpio_chip bgc; + struct gpio_chip gc; void __iomem *regs; struct device *dev; @@ -92,29 +92,22 @@ struct grgpio_priv { struct grgpio_lirq lirqs[GRGPIO_MAX_NGPIO]; }; -static inline struct grgpio_priv *grgpio_gc_to_priv(struct gpio_chip *gc) -{ - struct bgpio_chip *bgc = to_bgpio_chip(gc); - - return container_of(bgc, struct grgpio_priv, bgc); -} - static void grgpio_set_imask(struct grgpio_priv *priv, unsigned int offset, int val) { - struct bgpio_chip *bgc = &priv->bgc; - unsigned long mask = bgc->pin2mask(bgc, offset); + struct gpio_chip *gc = &priv->gc; + unsigned long mask = gc->pin2mask(gc, offset); if (val) priv->imask |= mask; else priv->imask &= ~mask; - bgc->write_reg(priv->regs + GRGPIO_IMASK, priv->imask); + gc->write_reg(priv->regs + GRGPIO_IMASK, priv->imask); } static int grgpio_to_irq(struct gpio_chip *gc, unsigned offset) { - struct grgpio_priv *priv = grgpio_gc_to_priv(gc); + struct grgpio_priv *priv = gpiochip_get_data(gc); if (offset >= gc->ngpio) return -ENXIO; @@ -158,15 +151,15 @@ static int grgpio_irq_set_type(struct irq_data *d, unsigned int type) return -EINVAL; } - spin_lock_irqsave(&priv->bgc.lock, flags); + spin_lock_irqsave(&priv->gc.bgpio_lock, flags); - ipol = priv->bgc.read_reg(priv->regs + GRGPIO_IPOL) & ~mask; - iedge = priv->bgc.read_reg(priv->regs + GRGPIO_IEDGE) & ~mask; + ipol = priv->gc.read_reg(priv->regs + GRGPIO_IPOL) & ~mask; + iedge = priv->gc.read_reg(priv->regs + GRGPIO_IEDGE) & ~mask; - priv->bgc.write_reg(priv->regs + GRGPIO_IPOL, ipol | pol); - priv->bgc.write_reg(priv->regs + GRGPIO_IEDGE, iedge | edge); + priv->gc.write_reg(priv->regs + GRGPIO_IPOL, ipol | pol); + priv->gc.write_reg(priv->regs + GRGPIO_IEDGE, iedge | edge); - spin_unlock_irqrestore(&priv->bgc.lock, flags); + spin_unlock_irqrestore(&priv->gc.bgpio_lock, flags); return 0; } @@ -177,11 +170,11 @@ static void grgpio_irq_mask(struct irq_data *d) int offset = d->hwirq; unsigned long flags; - spin_lock_irqsave(&priv->bgc.lock, flags); + spin_lock_irqsave(&priv->gc.bgpio_lock, flags); grgpio_set_imask(priv, offset, 0); - spin_unlock_irqrestore(&priv->bgc.lock, flags); + spin_unlock_irqrestore(&priv->gc.bgpio_lock, flags); } static void grgpio_irq_unmask(struct irq_data *d) @@ -190,11 +183,11 @@ static void grgpio_irq_unmask(struct irq_data *d) int offset = d->hwirq; unsigned long flags; - spin_lock_irqsave(&priv->bgc.lock, flags); + spin_lock_irqsave(&priv->gc.bgpio_lock, flags); grgpio_set_imask(priv, offset, 1); - spin_unlock_irqrestore(&priv->bgc.lock, flags); + spin_unlock_irqrestore(&priv->gc.bgpio_lock, flags); } static struct irq_chip grgpio_irq_chip = { @@ -207,12 +200,12 @@ static struct irq_chip grgpio_irq_chip = { static irqreturn_t grgpio_irq_handler(int irq, void *dev) { struct grgpio_priv *priv = dev; - int ngpio = priv->bgc.gc.ngpio; + int ngpio = priv->gc.ngpio; unsigned long flags; int i; int match = 0; - spin_lock_irqsave(&priv->bgc.lock, flags); + spin_lock_irqsave(&priv->gc.bgpio_lock, flags); /* * For each gpio line, call its interrupt handler if it its underlying @@ -228,7 +221,7 @@ static irqreturn_t grgpio_irq_handler(int irq, void *dev) } } - spin_unlock_irqrestore(&priv->bgc.lock, flags); + spin_unlock_irqrestore(&priv->gc.bgpio_lock, flags); if (!match) dev_warn(priv->dev, "No gpio line matched irq %d\n", irq); @@ -260,7 +253,7 @@ static int grgpio_irq_map(struct irq_domain *d, unsigned int irq, dev_dbg(priv->dev, "Mapping irq %d for gpio line %d\n", irq, offset); - spin_lock_irqsave(&priv->bgc.lock, flags); + spin_lock_irqsave(&priv->gc.bgpio_lock, flags); /* Request underlying irq if not already requested */ lirq->irq = irq; @@ -273,14 +266,14 @@ static int grgpio_irq_map(struct irq_domain *d, unsigned int irq, "Could not request underlying irq %d\n", uirq->uirq); - spin_unlock_irqrestore(&priv->bgc.lock, flags); + spin_unlock_irqrestore(&priv->gc.bgpio_lock, flags); return ret; } } uirq->refcnt++; - spin_unlock_irqrestore(&priv->bgc.lock, flags); + spin_unlock_irqrestore(&priv->gc.bgpio_lock, flags); /* Setup irq */ irq_set_chip_data(irq, priv); @@ -298,13 +291,13 @@ static void grgpio_irq_unmap(struct irq_domain *d, unsigned int irq) struct grgpio_lirq *lirq; struct grgpio_uirq *uirq; unsigned long flags; - int ngpio = priv->bgc.gc.ngpio; + int ngpio = priv->gc.ngpio; int i; irq_set_chip_and_handler(irq, NULL, NULL); irq_set_chip_data(irq, NULL); - spin_lock_irqsave(&priv->bgc.lock, flags); + spin_lock_irqsave(&priv->gc.bgpio_lock, flags); /* Free underlying irq if last user unmapped */ index = -1; @@ -326,7 +319,7 @@ static void grgpio_irq_unmap(struct irq_domain *d, unsigned int irq) free_irq(uirq->uirq, priv); } - spin_unlock_irqrestore(&priv->bgc.lock, flags); + spin_unlock_irqrestore(&priv->gc.bgpio_lock, flags); } static const struct irq_domain_ops grgpio_irq_domain_ops = { @@ -341,7 +334,6 @@ static int grgpio_probe(struct platform_device *ofdev) struct device_node *np = ofdev->dev.of_node; void __iomem *regs; struct gpio_chip *gc; - struct bgpio_chip *bgc; struct grgpio_priv *priv; struct resource *res; int err; @@ -359,8 +351,8 @@ static int grgpio_probe(struct platform_device *ofdev) if (IS_ERR(regs)) return PTR_ERR(regs); - bgc = &priv->bgc; - err = bgpio_init(bgc, &ofdev->dev, 4, regs + GRGPIO_DATA, + gc = &priv->gc; + err = bgpio_init(gc, &ofdev->dev, 4, regs + GRGPIO_DATA, regs + GRGPIO_OUTPUT, NULL, regs + GRGPIO_DIR, NULL, BGPIOF_BIG_ENDIAN_BYTE_ORDER); if (err) { @@ -369,10 +361,9 @@ static int grgpio_probe(struct platform_device *ofdev) } priv->regs = regs; - priv->imask = bgc->read_reg(regs + GRGPIO_IMASK); + priv->imask = gc->read_reg(regs + GRGPIO_IMASK); priv->dev = &ofdev->dev; - gc = &bgc->gc; gc->of_node = np; gc->owner = THIS_MODULE; gc->to_irq = grgpio_to_irq; @@ -435,7 +426,7 @@ static int grgpio_probe(struct platform_device *ofdev) platform_set_drvdata(ofdev, priv); - err = gpiochip_add(gc); + err = gpiochip_add_data(gc, priv); if (err) { dev_err(&ofdev->dev, "Could not add gpiochip\n"); if (priv->domain) @@ -456,7 +447,7 @@ static int grgpio_remove(struct platform_device *ofdev) int i; int ret = 0; - spin_lock_irqsave(&priv->bgc.lock, flags); + spin_lock_irqsave(&priv->gc.bgpio_lock, flags); if (priv->domain) { for (i = 0; i < GRGPIO_MAX_NGPIO; i++) { @@ -467,13 +458,13 @@ static int grgpio_remove(struct platform_device *ofdev) } } - gpiochip_remove(&priv->bgc.gc); + gpiochip_remove(&priv->gc); if (priv->domain) irq_domain_remove(priv->domain); out: - spin_unlock_irqrestore(&priv->bgc.lock, flags); + spin_unlock_irqrestore(&priv->gc.bgpio_lock, flags); return ret; } diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c index 4ba7ed502131..a4893386abbf 100644 --- a/drivers/gpio/gpio-ich.c +++ b/drivers/gpio/gpio-ich.c @@ -282,7 +282,7 @@ static void ichx_gpiolib_setup(struct gpio_chip *chip) { chip->owner = THIS_MODULE; chip->label = DRV_NAME; - chip->dev = &ichx_priv.dev->dev; + chip->parent = &ichx_priv.dev->dev; /* Allow chip-specific overrides of request()/get() */ chip->request = ichx_priv.desc->request ? @@ -499,7 +499,7 @@ static int ichx_gpio_probe(struct platform_device *pdev) init: ichx_gpiolib_setup(&ichx_priv.chip); - err = gpiochip_add(&ichx_priv.chip); + err = gpiochip_add_data(&ichx_priv.chip, NULL); if (err) { pr_err("Failed to register GPIOs\n"); goto add_err; diff --git a/drivers/gpio/gpio-intel-mid.c b/drivers/gpio/gpio-intel-mid.c index 70097472b02c..cdaba13cb8e8 100644 --- a/drivers/gpio/gpio-intel-mid.c +++ b/drivers/gpio/gpio-intel-mid.c @@ -78,15 +78,10 @@ struct intel_mid_gpio { struct pci_dev *pdev; }; -static inline struct intel_mid_gpio *to_intel_gpio_priv(struct gpio_chip *gc) -{ - return container_of(gc, struct intel_mid_gpio, chip); -} - static void __iomem *gpio_reg(struct gpio_chip *chip, unsigned offset, enum GPIO_REG reg_type) { - struct intel_mid_gpio *priv = to_intel_gpio_priv(chip); + struct intel_mid_gpio *priv = gpiochip_get_data(chip); unsigned nreg = chip->ngpio / 32; u8 reg = offset / 32; @@ -96,7 +91,7 @@ static void __iomem *gpio_reg(struct gpio_chip *chip, unsigned offset, static void __iomem *gpio_reg_2bit(struct gpio_chip *chip, unsigned offset, enum GPIO_REG reg_type) { - struct intel_mid_gpio *priv = to_intel_gpio_priv(chip); + struct intel_mid_gpio *priv = gpiochip_get_data(chip); unsigned nreg = chip->ngpio / 32; u8 reg = offset / 16; @@ -120,7 +115,7 @@ static int intel_gpio_get(struct gpio_chip *chip, unsigned offset) { void __iomem *gplr = gpio_reg(chip, offset, GPLR); - return readl(gplr) & BIT(offset % 32); + return !!(readl(gplr) & BIT(offset % 32)); } static void intel_gpio_set(struct gpio_chip *chip, unsigned offset, int value) @@ -138,7 +133,7 @@ static void intel_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int intel_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - struct intel_mid_gpio *priv = to_intel_gpio_priv(chip); + struct intel_mid_gpio *priv = gpiochip_get_data(chip); void __iomem *gpdr = gpio_reg(chip, offset, GPDR); u32 value; unsigned long flags; @@ -161,7 +156,7 @@ static int intel_gpio_direction_input(struct gpio_chip *chip, unsigned offset) static int intel_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - struct intel_mid_gpio *priv = to_intel_gpio_priv(chip); + struct intel_mid_gpio *priv = gpiochip_get_data(chip); void __iomem *gpdr = gpio_reg(chip, offset, GPDR); unsigned long flags; @@ -185,7 +180,7 @@ static int intel_gpio_direction_output(struct gpio_chip *chip, static int intel_mid_irq_type(struct irq_data *d, unsigned type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct intel_mid_gpio *priv = to_intel_gpio_priv(gc); + struct intel_mid_gpio *priv = gpiochip_get_data(gc); u32 gpio = irqd_to_hwirq(d); unsigned long flags; u32 value; @@ -304,7 +299,7 @@ MODULE_DEVICE_TABLE(pci, intel_gpio_ids); static void intel_mid_irq_handler(struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); - struct intel_mid_gpio *priv = to_intel_gpio_priv(gc); + struct intel_mid_gpio *priv = gpiochip_get_data(gc); struct irq_data *data = irq_desc_get_irq_data(desc); struct irq_chip *chip = irq_data_get_irq_chip(data); u32 base, gpio, mask; @@ -392,7 +387,7 @@ static int intel_gpio_probe(struct pci_dev *pdev, priv->reg_base = pcim_iomap_table(pdev)[0]; priv->chip.label = dev_name(&pdev->dev); - priv->chip.dev = &pdev->dev; + priv->chip.parent = &pdev->dev; priv->chip.request = intel_gpio_request; priv->chip.direction_input = intel_gpio_direction_input; priv->chip.direction_output = intel_gpio_direction_output; @@ -406,7 +401,7 @@ static int intel_gpio_probe(struct pci_dev *pdev, spin_lock_init(&priv->lock); pci_set_drvdata(pdev, priv); - retval = gpiochip_add(&priv->chip); + retval = gpiochip_add_data(&priv->chip, priv); if (retval) { dev_err(&pdev->dev, "gpiochip_add error %d\n", retval); return retval; diff --git a/drivers/gpio/gpio-iop.c b/drivers/gpio/gpio-iop.c index 2ed0237a8baf..fb65e5850e0c 100644 --- a/drivers/gpio/gpio-iop.c +++ b/drivers/gpio/gpio-iop.c @@ -114,7 +114,7 @@ static int iop3xx_gpio_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); - return gpiochip_add(&iop3xx_chip); + return gpiochip_add_data(&iop3xx_chip, NULL); } static struct platform_driver iop3xx_gpio_driver = { diff --git a/drivers/gpio/gpio-it87.c b/drivers/gpio/gpio-it87.c index 21f6f7c0eb34..b219c82414bf 100644 --- a/drivers/gpio/gpio-it87.c +++ b/drivers/gpio/gpio-it87.c @@ -77,11 +77,6 @@ static struct it87_gpio it87_gpio_chip = { .lock = __SPIN_LOCK_UNLOCKED(it87_gpio_chip.lock), }; -static inline struct it87_gpio *to_it87_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct it87_gpio, chip); -} - /* Superio chip access functions; copied from wdt_it87 */ static inline int superio_enter(void) @@ -165,7 +160,7 @@ static int it87_gpio_request(struct gpio_chip *chip, unsigned gpio_num) { u8 mask, group; int rc = 0; - struct it87_gpio *it87_gpio = to_it87_gpio(chip); + struct it87_gpio *it87_gpio = gpiochip_get_data(chip); mask = 1 << (gpio_num % 8); group = (gpio_num / 8); @@ -198,7 +193,7 @@ static int it87_gpio_get(struct gpio_chip *chip, unsigned gpio_num) { u16 reg; u8 mask; - struct it87_gpio *it87_gpio = to_it87_gpio(chip); + struct it87_gpio *it87_gpio = gpiochip_get_data(chip); mask = 1 << (gpio_num % 8); reg = (gpio_num / 8) + it87_gpio->io_base; @@ -210,7 +205,7 @@ static int it87_gpio_direction_in(struct gpio_chip *chip, unsigned gpio_num) { u8 mask, group; int rc = 0; - struct it87_gpio *it87_gpio = to_it87_gpio(chip); + struct it87_gpio *it87_gpio = gpiochip_get_data(chip); mask = 1 << (gpio_num % 8); group = (gpio_num / 8); @@ -236,7 +231,7 @@ static void it87_gpio_set(struct gpio_chip *chip, { u8 mask, curr_vals; u16 reg; - struct it87_gpio *it87_gpio = to_it87_gpio(chip); + struct it87_gpio *it87_gpio = gpiochip_get_data(chip); mask = 1 << (gpio_num % 8); reg = (gpio_num / 8) + it87_gpio->io_base; @@ -253,7 +248,7 @@ static int it87_gpio_direction_out(struct gpio_chip *chip, { u8 mask, group; int rc = 0; - struct it87_gpio *it87_gpio = to_it87_gpio(chip); + struct it87_gpio *it87_gpio = gpiochip_get_data(chip); mask = 1 << (gpio_num % 8); group = (gpio_num / 8); @@ -380,7 +375,7 @@ static int __init it87_gpio_init(void) it87_gpio->chip.names = (const char *const*)labels_table; - rc = gpiochip_add(&it87_gpio->chip); + rc = gpiochip_add_data(&it87_gpio->chip, it87_gpio); if (rc) goto labels_free; diff --git a/drivers/gpio/gpio-janz-ttl.c b/drivers/gpio/gpio-janz-ttl.c index 3a1664335f5e..482aa0353868 100644 --- a/drivers/gpio/gpio-janz-ttl.c +++ b/drivers/gpio/gpio-janz-ttl.c @@ -59,7 +59,7 @@ struct ttl_module { static int ttl_get_value(struct gpio_chip *gpio, unsigned offset) { - struct ttl_module *mod = dev_get_drvdata(gpio->dev); + struct ttl_module *mod = dev_get_drvdata(gpio->parent); u8 *shadow; int ret; @@ -76,12 +76,12 @@ static int ttl_get_value(struct gpio_chip *gpio, unsigned offset) spin_lock(&mod->lock); ret = *shadow & (1 << offset); spin_unlock(&mod->lock); - return ret; + return !!ret; } static void ttl_set_value(struct gpio_chip *gpio, unsigned offset, int value) { - struct ttl_module *mod = dev_get_drvdata(gpio->dev); + struct ttl_module *mod = dev_get_drvdata(gpio->parent); void __iomem *port; u8 *shadow; @@ -172,7 +172,7 @@ static int ttl_probe(struct platform_device *pdev) /* Initialize the GPIO data structures */ gpio = &mod->gpio; - gpio->dev = &pdev->dev; + gpio->parent = &pdev->dev; gpio->label = pdev->name; gpio->get = ttl_get_value; gpio->set = ttl_set_value; @@ -182,7 +182,7 @@ static int ttl_probe(struct platform_device *pdev) gpio->base = -1; gpio->ngpio = 20; - ret = gpiochip_add(gpio); + ret = gpiochip_add_data(gpio, NULL); if (ret) { dev_err(dev, "unable to add GPIO chip\n"); return ret; diff --git a/drivers/gpio/gpio-kempld.c b/drivers/gpio/gpio-kempld.c index 83f281dda1e0..01117747b965 100644 --- a/drivers/gpio/gpio-kempld.c +++ b/drivers/gpio/gpio-kempld.c @@ -65,17 +65,15 @@ static int kempld_gpio_get_bit(struct kempld_device_data *pld, u8 reg, u8 bit) static int kempld_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct kempld_gpio_data *gpio - = container_of(chip, struct kempld_gpio_data, chip); + struct kempld_gpio_data *gpio = gpiochip_get_data(chip); struct kempld_device_data *pld = gpio->pld; - return kempld_gpio_get_bit(pld, KEMPLD_GPIO_LVL_NUM(offset), offset); + return !!kempld_gpio_get_bit(pld, KEMPLD_GPIO_LVL_NUM(offset), offset); } static void kempld_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct kempld_gpio_data *gpio - = container_of(chip, struct kempld_gpio_data, chip); + struct kempld_gpio_data *gpio = gpiochip_get_data(chip); struct kempld_device_data *pld = gpio->pld; kempld_get_mutex(pld); @@ -85,8 +83,7 @@ static void kempld_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int kempld_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - struct kempld_gpio_data *gpio - = container_of(chip, struct kempld_gpio_data, chip); + struct kempld_gpio_data *gpio = gpiochip_get_data(chip); struct kempld_device_data *pld = gpio->pld; kempld_get_mutex(pld); @@ -99,8 +96,7 @@ static int kempld_gpio_direction_input(struct gpio_chip *chip, unsigned offset) static int kempld_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - struct kempld_gpio_data *gpio - = container_of(chip, struct kempld_gpio_data, chip); + struct kempld_gpio_data *gpio = gpiochip_get_data(chip); struct kempld_device_data *pld = gpio->pld; kempld_get_mutex(pld); @@ -113,8 +109,7 @@ static int kempld_gpio_direction_output(struct gpio_chip *chip, unsigned offset, static int kempld_gpio_get_direction(struct gpio_chip *chip, unsigned offset) { - struct kempld_gpio_data *gpio - = container_of(chip, struct kempld_gpio_data, chip); + struct kempld_gpio_data *gpio = gpiochip_get_data(chip); struct kempld_device_data *pld = gpio->pld; return !kempld_gpio_get_bit(pld, KEMPLD_GPIO_DIR_NUM(offset), offset); @@ -166,7 +161,7 @@ static int kempld_gpio_probe(struct platform_device *pdev) chip = &gpio->chip; chip->label = "gpio-kempld"; chip->owner = THIS_MODULE; - chip->dev = dev; + chip->parent = dev; chip->can_sleep = true; if (pdata && pdata->gpio_base) chip->base = pdata->gpio_base; @@ -183,7 +178,7 @@ static int kempld_gpio_probe(struct platform_device *pdev) return -ENODEV; } - ret = gpiochip_add(chip); + ret = gpiochip_add_data(chip, gpio); if (ret) { dev_err(dev, "Could not register GPIO chip\n"); return ret; diff --git a/drivers/gpio/gpio-ks8695.c b/drivers/gpio/gpio-ks8695.c index cc09b237e88c..9f86ed9c753b 100644 --- a/drivers/gpio/gpio-ks8695.c +++ b/drivers/gpio/gpio-ks8695.c @@ -234,7 +234,7 @@ static struct gpio_chip ks8695_gpio_chip = { /* Register the GPIOs */ void ks8695_register_gpios(void) { - if (gpiochip_add(&ks8695_gpio_chip)) + if (gpiochip_add_data(&ks8695_gpio_chip, NULL)) printk(KERN_ERR "Unable to register core GPIOs\n"); } diff --git a/drivers/gpio/gpio-loongson.c b/drivers/gpio/gpio-loongson.c index ccc65a1aea88..92c4fe7b2677 100644 --- a/drivers/gpio/gpio-loongson.c +++ b/drivers/gpio/gpio-loongson.c @@ -110,6 +110,6 @@ static struct gpio_chip loongson_chip = { static int __init loongson_gpio_setup(void) { - return gpiochip_add(&loongson_chip); + return gpiochip_add_data(&loongson_chip, NULL); } postcore_initcall(loongson_gpio_setup); diff --git a/drivers/gpio/gpio-lp3943.c b/drivers/gpio/gpio-lp3943.c index cfc5b12b43ad..1c8e2ae26938 100644 --- a/drivers/gpio/gpio-lp3943.c +++ b/drivers/gpio/gpio-lp3943.c @@ -45,14 +45,9 @@ struct lp3943_gpio { u16 input_mask; /* 1 = GPIO is input direction, 0 = output */ }; -static inline struct lp3943_gpio *to_lp3943_gpio(struct gpio_chip *_chip) -{ - return container_of(_chip, struct lp3943_gpio, chip); -} - static int lp3943_gpio_request(struct gpio_chip *chip, unsigned offset) { - struct lp3943_gpio *lp3943_gpio = to_lp3943_gpio(chip); + struct lp3943_gpio *lp3943_gpio = gpiochip_get_data(chip); struct lp3943 *lp3943 = lp3943_gpio->lp3943; /* Return an error if the pin is already assigned */ @@ -64,7 +59,7 @@ static int lp3943_gpio_request(struct gpio_chip *chip, unsigned offset) static void lp3943_gpio_free(struct gpio_chip *chip, unsigned offset) { - struct lp3943_gpio *lp3943_gpio = to_lp3943_gpio(chip); + struct lp3943_gpio *lp3943_gpio = gpiochip_get_data(chip); struct lp3943 *lp3943 = lp3943_gpio->lp3943; clear_bit(offset, &lp3943->pin_used); @@ -82,7 +77,7 @@ static int lp3943_gpio_set_mode(struct lp3943_gpio *lp3943_gpio, u8 offset, static int lp3943_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - struct lp3943_gpio *lp3943_gpio = to_lp3943_gpio(chip); + struct lp3943_gpio *lp3943_gpio = gpiochip_get_data(chip); lp3943_gpio->input_mask |= BIT(offset); @@ -138,7 +133,7 @@ static int lp3943_get_gpio_out_status(struct lp3943_gpio *lp3943_gpio, static int lp3943_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct lp3943_gpio *lp3943_gpio = to_lp3943_gpio(chip); + struct lp3943_gpio *lp3943_gpio = gpiochip_get_data(chip); /* * Limitation: @@ -157,7 +152,7 @@ static int lp3943_gpio_get(struct gpio_chip *chip, unsigned offset) static void lp3943_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct lp3943_gpio *lp3943_gpio = to_lp3943_gpio(chip); + struct lp3943_gpio *lp3943_gpio = gpiochip_get_data(chip); u8 data; if (value) @@ -171,7 +166,7 @@ static void lp3943_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int lp3943_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - struct lp3943_gpio *lp3943_gpio = to_lp3943_gpio(chip); + struct lp3943_gpio *lp3943_gpio = gpiochip_get_data(chip); lp3943_gpio_set(chip, offset, value); lp3943_gpio->input_mask &= ~BIT(offset); @@ -205,11 +200,11 @@ static int lp3943_gpio_probe(struct platform_device *pdev) lp3943_gpio->lp3943 = lp3943; lp3943_gpio->chip = lp3943_gpio_chip; - lp3943_gpio->chip.dev = &pdev->dev; + lp3943_gpio->chip.parent = &pdev->dev; platform_set_drvdata(pdev, lp3943_gpio); - return gpiochip_add(&lp3943_gpio->chip); + return gpiochip_add_data(&lp3943_gpio->chip, lp3943_gpio); } static int lp3943_gpio_remove(struct platform_device *pdev) diff --git a/drivers/gpio/gpio-lpc18xx.c b/drivers/gpio/gpio-lpc18xx.c index e39dcb0af8ae..98832c9f614a 100644 --- a/drivers/gpio/gpio-lpc18xx.c +++ b/drivers/gpio/gpio-lpc18xx.c @@ -31,27 +31,22 @@ struct lpc18xx_gpio_chip { spinlock_t lock; }; -static inline struct lpc18xx_gpio_chip *to_lpc18xx_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct lpc18xx_gpio_chip, gpio); -} - static void lpc18xx_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct lpc18xx_gpio_chip *gc = to_lpc18xx_gpio(chip); + struct lpc18xx_gpio_chip *gc = gpiochip_get_data(chip); writeb(value ? 1 : 0, gc->base + offset); } static int lpc18xx_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct lpc18xx_gpio_chip *gc = to_lpc18xx_gpio(chip); + struct lpc18xx_gpio_chip *gc = gpiochip_get_data(chip); return !!readb(gc->base + offset); } static int lpc18xx_gpio_direction(struct gpio_chip *chip, unsigned offset, bool out) { - struct lpc18xx_gpio_chip *gc = to_lpc18xx_gpio(chip); + struct lpc18xx_gpio_chip *gc = gpiochip_get_data(chip); unsigned long flags; u32 port, pin, dir; @@ -127,9 +122,9 @@ static int lpc18xx_gpio_probe(struct platform_device *pdev) spin_lock_init(&gc->lock); - gc->gpio.dev = &pdev->dev; + gc->gpio.parent = &pdev->dev; - ret = gpiochip_add(&gc->gpio); + ret = gpiochip_add_data(&gc->gpio, gc); if (ret) { dev_err(&pdev->dev, "failed to add gpio chip\n"); clk_disable_unprepare(gc->clk); diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c index 47e2dde63734..4cecf4ce96c1 100644 --- a/drivers/gpio/gpio-lpc32xx.c +++ b/drivers/gpio/gpio-lpc32xx.c @@ -165,12 +165,6 @@ struct lpc32xx_gpio_chip { struct gpio_regs *gpio_grp; }; -static inline struct lpc32xx_gpio_chip *to_lpc32xx_gpio( - struct gpio_chip *gpc) -{ - return container_of(gpc, struct lpc32xx_gpio_chip, chip); -} - static void __set_gpio_dir_p012(struct lpc32xx_gpio_chip *group, unsigned pin, int input) { @@ -261,7 +255,7 @@ static int __get_gpo_state_p3(struct lpc32xx_gpio_chip *group, static int lpc32xx_gpio_dir_input_p012(struct gpio_chip *chip, unsigned pin) { - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); + struct lpc32xx_gpio_chip *group = gpiochip_get_data(chip); __set_gpio_dir_p012(group, pin, 1); @@ -271,7 +265,7 @@ static int lpc32xx_gpio_dir_input_p012(struct gpio_chip *chip, static int lpc32xx_gpio_dir_input_p3(struct gpio_chip *chip, unsigned pin) { - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); + struct lpc32xx_gpio_chip *group = gpiochip_get_data(chip); __set_gpio_dir_p3(group, pin, 1); @@ -286,29 +280,29 @@ static int lpc32xx_gpio_dir_in_always(struct gpio_chip *chip, static int lpc32xx_gpio_get_value_p012(struct gpio_chip *chip, unsigned pin) { - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); + struct lpc32xx_gpio_chip *group = gpiochip_get_data(chip); - return __get_gpio_state_p012(group, pin); + return !!__get_gpio_state_p012(group, pin); } static int lpc32xx_gpio_get_value_p3(struct gpio_chip *chip, unsigned pin) { - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); + struct lpc32xx_gpio_chip *group = gpiochip_get_data(chip); - return __get_gpio_state_p3(group, pin); + return !!__get_gpio_state_p3(group, pin); } static int lpc32xx_gpi_get_value(struct gpio_chip *chip, unsigned pin) { - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); + struct lpc32xx_gpio_chip *group = gpiochip_get_data(chip); - return __get_gpi_state_p3(group, pin); + return !!__get_gpi_state_p3(group, pin); } static int lpc32xx_gpio_dir_output_p012(struct gpio_chip *chip, unsigned pin, int value) { - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); + struct lpc32xx_gpio_chip *group = gpiochip_get_data(chip); __set_gpio_level_p012(group, pin, value); __set_gpio_dir_p012(group, pin, 0); @@ -319,7 +313,7 @@ static int lpc32xx_gpio_dir_output_p012(struct gpio_chip *chip, unsigned pin, static int lpc32xx_gpio_dir_output_p3(struct gpio_chip *chip, unsigned pin, int value) { - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); + struct lpc32xx_gpio_chip *group = gpiochip_get_data(chip); __set_gpio_level_p3(group, pin, value); __set_gpio_dir_p3(group, pin, 0); @@ -330,7 +324,7 @@ static int lpc32xx_gpio_dir_output_p3(struct gpio_chip *chip, unsigned pin, static int lpc32xx_gpio_dir_out_always(struct gpio_chip *chip, unsigned pin, int value) { - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); + struct lpc32xx_gpio_chip *group = gpiochip_get_data(chip); __set_gpo_level_p3(group, pin, value); return 0; @@ -339,7 +333,7 @@ static int lpc32xx_gpio_dir_out_always(struct gpio_chip *chip, unsigned pin, static void lpc32xx_gpio_set_value_p012(struct gpio_chip *chip, unsigned pin, int value) { - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); + struct lpc32xx_gpio_chip *group = gpiochip_get_data(chip); __set_gpio_level_p012(group, pin, value); } @@ -347,7 +341,7 @@ static void lpc32xx_gpio_set_value_p012(struct gpio_chip *chip, unsigned pin, static void lpc32xx_gpio_set_value_p3(struct gpio_chip *chip, unsigned pin, int value) { - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); + struct lpc32xx_gpio_chip *group = gpiochip_get_data(chip); __set_gpio_level_p3(group, pin, value); } @@ -355,16 +349,16 @@ static void lpc32xx_gpio_set_value_p3(struct gpio_chip *chip, unsigned pin, static void lpc32xx_gpo_set_value(struct gpio_chip *chip, unsigned pin, int value) { - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); + struct lpc32xx_gpio_chip *group = gpiochip_get_data(chip); __set_gpo_level_p3(group, pin, value); } static int lpc32xx_gpo_get_value(struct gpio_chip *chip, unsigned pin) { - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); + struct lpc32xx_gpio_chip *group = gpiochip_get_data(chip); - return __get_gpo_state_p3(group, pin); + return !!__get_gpo_state_p3(group, pin); } static int lpc32xx_gpio_request(struct gpio_chip *chip, unsigned pin) @@ -553,7 +547,8 @@ static int lpc32xx_gpio_probe(struct platform_device *pdev) lpc32xx_gpiochip[i].chip.of_gpio_n_cells = 3; lpc32xx_gpiochip[i].chip.of_node = pdev->dev.of_node; } - gpiochip_add(&lpc32xx_gpiochip[i].chip); + gpiochip_add_data(&lpc32xx_gpiochip[i].chip, + &lpc32xx_gpiochip[i]); } return 0; diff --git a/drivers/gpio/gpio-lynxpoint.c b/drivers/gpio/gpio-lynxpoint.c index 127c37b380ae..13107772be4f 100644 --- a/drivers/gpio/gpio-lynxpoint.c +++ b/drivers/gpio/gpio-lynxpoint.c @@ -97,7 +97,7 @@ struct lp_gpio { static unsigned long lp_gpio_reg(struct gpio_chip *chip, unsigned offset, int reg) { - struct lp_gpio *lg = container_of(chip, struct lp_gpio, chip); + struct lp_gpio *lg = gpiochip_get_data(chip); int reg_offset; if (reg == LP_CONFIG1 || reg == LP_CONFIG2) @@ -112,7 +112,7 @@ static unsigned long lp_gpio_reg(struct gpio_chip *chip, unsigned offset, static int lp_gpio_request(struct gpio_chip *chip, unsigned offset) { - struct lp_gpio *lg = container_of(chip, struct lp_gpio, chip); + struct lp_gpio *lg = gpiochip_get_data(chip); unsigned long reg = lp_gpio_reg(chip, offset, LP_CONFIG1); unsigned long conf2 = lp_gpio_reg(chip, offset, LP_CONFIG2); unsigned long acpi_use = lp_gpio_reg(chip, offset, LP_ACPI_OWNED); @@ -137,7 +137,7 @@ static int lp_gpio_request(struct gpio_chip *chip, unsigned offset) static void lp_gpio_free(struct gpio_chip *chip, unsigned offset) { - struct lp_gpio *lg = container_of(chip, struct lp_gpio, chip); + struct lp_gpio *lg = gpiochip_get_data(chip); unsigned long conf2 = lp_gpio_reg(chip, offset, LP_CONFIG2); /* disable input sensing */ @@ -149,7 +149,7 @@ static void lp_gpio_free(struct gpio_chip *chip, unsigned offset) static int lp_irq_type(struct irq_data *d, unsigned type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct lp_gpio *lg = container_of(gc, struct lp_gpio, chip); + struct lp_gpio *lg = gpiochip_get_data(gc); u32 hwirq = irqd_to_hwirq(d); unsigned long flags; u32 value; @@ -191,7 +191,7 @@ static int lp_gpio_get(struct gpio_chip *chip, unsigned offset) static void lp_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct lp_gpio *lg = container_of(chip, struct lp_gpio, chip); + struct lp_gpio *lg = gpiochip_get_data(chip); unsigned long reg = lp_gpio_reg(chip, offset, LP_CONFIG1); unsigned long flags; @@ -207,7 +207,7 @@ static void lp_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int lp_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - struct lp_gpio *lg = container_of(chip, struct lp_gpio, chip); + struct lp_gpio *lg = gpiochip_get_data(chip); unsigned long reg = lp_gpio_reg(chip, offset, LP_CONFIG1); unsigned long flags; @@ -221,7 +221,7 @@ static int lp_gpio_direction_input(struct gpio_chip *chip, unsigned offset) static int lp_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - struct lp_gpio *lg = container_of(chip, struct lp_gpio, chip); + struct lp_gpio *lg = gpiochip_get_data(chip); unsigned long reg = lp_gpio_reg(chip, offset, LP_CONFIG1); unsigned long flags; @@ -238,7 +238,7 @@ static void lp_gpio_irq_handler(struct irq_desc *desc) { struct irq_data *data = irq_desc_get_irq_data(desc); struct gpio_chip *gc = irq_desc_get_handler_data(desc); - struct lp_gpio *lg = container_of(gc, struct lp_gpio, chip); + struct lp_gpio *lg = gpiochip_get_data(gc); struct irq_chip *chip = irq_data_get_irq_chip(data); u32 base, pin, mask; unsigned long reg, ena, pending; @@ -273,7 +273,7 @@ static void lp_irq_mask(struct irq_data *d) static void lp_irq_enable(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct lp_gpio *lg = container_of(gc, struct lp_gpio, chip); + struct lp_gpio *lg = gpiochip_get_data(gc); u32 hwirq = irqd_to_hwirq(d); unsigned long reg = lp_gpio_reg(&lg->chip, hwirq, LP_INT_ENABLE); unsigned long flags; @@ -286,7 +286,7 @@ static void lp_irq_enable(struct irq_data *d) static void lp_irq_disable(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct lp_gpio *lg = container_of(gc, struct lp_gpio, chip); + struct lp_gpio *lg = gpiochip_get_data(gc); u32 hwirq = irqd_to_hwirq(d); unsigned long reg = lp_gpio_reg(&lg->chip, hwirq, LP_INT_ENABLE); unsigned long flags; @@ -368,9 +368,9 @@ static int lp_gpio_probe(struct platform_device *pdev) gc->base = -1; gc->ngpio = LP_NUM_GPIO; gc->can_sleep = false; - gc->dev = dev; + gc->parent = dev; - ret = gpiochip_add(gc); + ret = gpiochip_add_data(gc, lg); if (ret) { dev_err(dev, "failed adding lp-gpio chip\n"); return ret; diff --git a/drivers/gpio/gpio-max7300.c b/drivers/gpio/gpio-max7300.c index 0cc2c279ab5c..1ae9ba851c9a 100644 --- a/drivers/gpio/gpio-max7300.c +++ b/drivers/gpio/gpio-max7300.c @@ -65,7 +65,6 @@ MODULE_DEVICE_TABLE(i2c, max7300_id); static struct i2c_driver max7300_driver = { .driver = { .name = "max7300", - .owner = THIS_MODULE, }, .probe = max7300_probe, .remove = max7300_remove, diff --git a/drivers/gpio/gpio-max730x.c b/drivers/gpio/gpio-max730x.c index 0f57d2d248ec..08807368f007 100644 --- a/drivers/gpio/gpio-max730x.c +++ b/drivers/gpio/gpio-max730x.c @@ -50,7 +50,7 @@ static int max7301_direction_input(struct gpio_chip *chip, unsigned offset) { - struct max7301 *ts = container_of(chip, struct max7301, chip); + struct max7301 *ts = gpiochip_get_data(chip); u8 *config; u8 offset_bits, pin_config; int ret; @@ -92,7 +92,7 @@ static int __max7301_set(struct max7301 *ts, unsigned offset, int value) static int max7301_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - struct max7301 *ts = container_of(chip, struct max7301, chip); + struct max7301 *ts = gpiochip_get_data(chip); u8 *config; u8 offset_bits; int ret; @@ -120,7 +120,7 @@ static int max7301_direction_output(struct gpio_chip *chip, unsigned offset, static int max7301_get(struct gpio_chip *chip, unsigned offset) { - struct max7301 *ts = container_of(chip, struct max7301, chip); + struct max7301 *ts = gpiochip_get_data(chip); int config, level = -EINVAL; /* First 4 pins are unused in the controller */ @@ -148,7 +148,7 @@ static int max7301_get(struct gpio_chip *chip, unsigned offset) static void max7301_set(struct gpio_chip *chip, unsigned offset, int value) { - struct max7301 *ts = container_of(chip, struct max7301, chip); + struct max7301 *ts = gpiochip_get_data(chip); /* First 4 pins are unused in the controller */ offset += 4; @@ -189,7 +189,7 @@ int __max730x_probe(struct max7301 *ts) ts->chip.ngpio = PIN_NUMBER; ts->chip.can_sleep = true; - ts->chip.dev = dev; + ts->chip.parent = dev; ts->chip.owner = THIS_MODULE; /* @@ -213,7 +213,7 @@ int __max730x_probe(struct max7301 *ts) } } - ret = gpiochip_add(&ts->chip); + ret = gpiochip_add_data(&ts->chip, ts); if (ret) goto exit_destroy; diff --git a/drivers/gpio/gpio-max732x.c b/drivers/gpio/gpio-max732x.c index 8c5252c6c327..a9aaf9d822b4 100644 --- a/drivers/gpio/gpio-max732x.c +++ b/drivers/gpio/gpio-max732x.c @@ -158,11 +158,6 @@ struct max732x_chip { #endif }; -static inline struct max732x_chip *to_max732x(struct gpio_chip *gc) -{ - return container_of(gc, struct max732x_chip, gpio_chip); -} - static int max732x_writeb(struct max732x_chip *chip, int group_a, uint8_t val) { struct i2c_client *client; @@ -201,21 +196,21 @@ static inline int is_group_a(struct max732x_chip *chip, unsigned off) static int max732x_gpio_get_value(struct gpio_chip *gc, unsigned off) { - struct max732x_chip *chip = to_max732x(gc); + struct max732x_chip *chip = gpiochip_get_data(gc); uint8_t reg_val; int ret; ret = max732x_readb(chip, is_group_a(chip, off), ®_val); if (ret < 0) - return 0; + return ret; - return reg_val & (1u << (off & 0x7)); + return !!(reg_val & (1u << (off & 0x7))); } static void max732x_gpio_set_mask(struct gpio_chip *gc, unsigned off, int mask, int val) { - struct max732x_chip *chip = to_max732x(gc); + struct max732x_chip *chip = gpiochip_get_data(gc); uint8_t reg_out; int ret; @@ -259,7 +254,7 @@ static void max732x_gpio_set_multiple(struct gpio_chip *gc, static int max732x_gpio_direction_input(struct gpio_chip *gc, unsigned off) { - struct max732x_chip *chip = to_max732x(gc); + struct max732x_chip *chip = gpiochip_get_data(gc); unsigned int mask = 1u << off; if ((mask & chip->dir_input) == 0) { @@ -281,7 +276,7 @@ static int max732x_gpio_direction_input(struct gpio_chip *gc, unsigned off) static int max732x_gpio_direction_output(struct gpio_chip *gc, unsigned off, int val) { - struct max732x_chip *chip = to_max732x(gc); + struct max732x_chip *chip = gpiochip_get_data(gc); unsigned int mask = 1u << off; if ((mask & chip->dir_output) == 0) { @@ -356,7 +351,7 @@ static void max732x_irq_update_mask(struct max732x_chip *chip) static void max732x_irq_mask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct max732x_chip *chip = to_max732x(gc); + struct max732x_chip *chip = gpiochip_get_data(gc); chip->irq_mask_cur &= ~(1 << d->hwirq); } @@ -364,7 +359,7 @@ static void max732x_irq_mask(struct irq_data *d) static void max732x_irq_unmask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct max732x_chip *chip = to_max732x(gc); + struct max732x_chip *chip = gpiochip_get_data(gc); chip->irq_mask_cur |= 1 << d->hwirq; } @@ -372,7 +367,7 @@ static void max732x_irq_unmask(struct irq_data *d) static void max732x_irq_bus_lock(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct max732x_chip *chip = to_max732x(gc); + struct max732x_chip *chip = gpiochip_get_data(gc); mutex_lock(&chip->irq_lock); chip->irq_mask_cur = chip->irq_mask; @@ -381,7 +376,7 @@ static void max732x_irq_bus_lock(struct irq_data *d) static void max732x_irq_bus_sync_unlock(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct max732x_chip *chip = to_max732x(gc); + struct max732x_chip *chip = gpiochip_get_data(gc); uint16_t new_irqs; uint16_t level; @@ -400,7 +395,7 @@ static void max732x_irq_bus_sync_unlock(struct irq_data *d) static int max732x_irq_set_type(struct irq_data *d, unsigned int type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct max732x_chip *chip = to_max732x(gc); + struct max732x_chip *chip = gpiochip_get_data(gc); uint16_t off = d->hwirq; uint16_t mask = 1 << off; @@ -603,7 +598,7 @@ static int max732x_setup_gpio(struct max732x_chip *chip, gc->base = gpio_start; gc->ngpio = port; gc->label = chip->client->name; - gc->dev = &chip->client->dev; + gc->parent = &chip->client->dev; gc->owner = THIS_MODULE; return port; @@ -649,7 +644,7 @@ static int max732x_probe(struct i2c_client *client, chip->client = client; nr_port = max732x_setup_gpio(chip, id, pdata->gpio_base); - chip->gpio_chip.dev = &client->dev; + chip->gpio_chip.parent = &client->dev; addr_a = (client->addr & 0x0f) | 0x60; addr_b = (client->addr & 0x0f) | 0x50; @@ -694,7 +689,7 @@ static int max732x_probe(struct i2c_client *client, goto out_failed; } - ret = gpiochip_add(&chip->gpio_chip); + ret = gpiochip_add_data(&chip->gpio_chip, chip); if (ret) goto out_failed; @@ -749,7 +744,6 @@ static int max732x_remove(struct i2c_client *client) static struct i2c_driver max732x_driver = { .driver = { .name = "max732x", - .owner = THIS_MODULE, .of_match_table = of_match_ptr(max732x_of_table), }, .probe = max732x_probe, diff --git a/drivers/gpio/gpio-mb86s7x.c b/drivers/gpio/gpio-mb86s7x.c index ee93c0ab0a59..7fffc1d6c055 100644 --- a/drivers/gpio/gpio-mb86s7x.c +++ b/drivers/gpio/gpio-mb86s7x.c @@ -44,14 +44,9 @@ struct mb86s70_gpio_chip { spinlock_t lock; }; -static inline struct mb86s70_gpio_chip *chip_to_mb86s70(struct gpio_chip *gc) -{ - return container_of(gc, struct mb86s70_gpio_chip, gc); -} - static int mb86s70_gpio_request(struct gpio_chip *gc, unsigned gpio) { - struct mb86s70_gpio_chip *gchip = chip_to_mb86s70(gc); + struct mb86s70_gpio_chip *gchip = gpiochip_get_data(gc); unsigned long flags; u32 val; @@ -73,7 +68,7 @@ static int mb86s70_gpio_request(struct gpio_chip *gc, unsigned gpio) static void mb86s70_gpio_free(struct gpio_chip *gc, unsigned gpio) { - struct mb86s70_gpio_chip *gchip = chip_to_mb86s70(gc); + struct mb86s70_gpio_chip *gchip = gpiochip_get_data(gc); unsigned long flags; u32 val; @@ -88,7 +83,7 @@ static void mb86s70_gpio_free(struct gpio_chip *gc, unsigned gpio) static int mb86s70_gpio_direction_input(struct gpio_chip *gc, unsigned gpio) { - struct mb86s70_gpio_chip *gchip = chip_to_mb86s70(gc); + struct mb86s70_gpio_chip *gchip = gpiochip_get_data(gc); unsigned long flags; unsigned char val; @@ -106,7 +101,7 @@ static int mb86s70_gpio_direction_input(struct gpio_chip *gc, unsigned gpio) static int mb86s70_gpio_direction_output(struct gpio_chip *gc, unsigned gpio, int value) { - struct mb86s70_gpio_chip *gchip = chip_to_mb86s70(gc); + struct mb86s70_gpio_chip *gchip = gpiochip_get_data(gc); unsigned long flags; unsigned char val; @@ -130,14 +125,14 @@ static int mb86s70_gpio_direction_output(struct gpio_chip *gc, static int mb86s70_gpio_get(struct gpio_chip *gc, unsigned gpio) { - struct mb86s70_gpio_chip *gchip = chip_to_mb86s70(gc); + struct mb86s70_gpio_chip *gchip = gpiochip_get_data(gc); return !!(readl(gchip->base + PDR(gpio)) & OFFSET(gpio)); } static void mb86s70_gpio_set(struct gpio_chip *gc, unsigned gpio, int value) { - struct mb86s70_gpio_chip *gchip = chip_to_mb86s70(gc); + struct mb86s70_gpio_chip *gchip = gpiochip_get_data(gc); unsigned long flags; unsigned char val; @@ -187,12 +182,12 @@ static int mb86s70_gpio_probe(struct platform_device *pdev) gchip->gc.label = dev_name(&pdev->dev); gchip->gc.ngpio = 32; gchip->gc.owner = THIS_MODULE; - gchip->gc.dev = &pdev->dev; + gchip->gc.parent = &pdev->dev; gchip->gc.base = -1; platform_set_drvdata(pdev, gchip); - ret = gpiochip_add(&gchip->gc); + ret = gpiochip_add_data(&gchip->gc, gchip); if (ret) { dev_err(&pdev->dev, "couldn't register gpio driver\n"); clk_disable_unprepare(gchip->clk); diff --git a/drivers/gpio/gpio-mc33880.c b/drivers/gpio/gpio-mc33880.c index 2853731db5bc..0f0df7956264 100644 --- a/drivers/gpio/gpio-mc33880.c +++ b/drivers/gpio/gpio-mc33880.c @@ -71,7 +71,7 @@ static int __mc33880_set(struct mc33880 *mc, unsigned offset, int value) static void mc33880_set(struct gpio_chip *chip, unsigned offset, int value) { - struct mc33880 *mc = container_of(chip, struct mc33880, chip); + struct mc33880 *mc = gpiochip_get_data(chip); mutex_lock(&mc->lock); @@ -116,7 +116,7 @@ static int mc33880_probe(struct spi_device *spi) mc->chip.base = pdata->base; mc->chip.ngpio = PIN_NUMBER; mc->chip.can_sleep = true; - mc->chip.dev = &spi->dev; + mc->chip.parent = &spi->dev; mc->chip.owner = THIS_MODULE; mc->port_config = 0x00; @@ -135,7 +135,7 @@ static int mc33880_probe(struct spi_device *spi) goto exit_destroy; } - ret = gpiochip_add(&mc->chip); + ret = gpiochip_add_data(&mc->chip, mc); if (ret) goto exit_destroy; diff --git a/drivers/gpio/gpio-mc9s08dz60.c b/drivers/gpio/gpio-mc9s08dz60.c index d62b4f8182bf..ba22fb92a6e7 100644 --- a/drivers/gpio/gpio-mc9s08dz60.c +++ b/drivers/gpio/gpio-mc9s08dz60.c @@ -29,12 +29,6 @@ struct mc9s08dz60 { struct gpio_chip chip; }; -static inline struct mc9s08dz60 *to_mc9s08dz60(struct gpio_chip *gc) -{ - return container_of(gc, struct mc9s08dz60, chip); -} - - static void mc9s_gpio_to_reg_and_bit(int offset, u8 *reg, u8 *bit) { *reg = 0x20 + offset / GPIO_NUM_PER_GROUP; @@ -45,7 +39,7 @@ static int mc9s08dz60_get_value(struct gpio_chip *gc, unsigned offset) { u8 reg, bit; s32 value; - struct mc9s08dz60 *mc9s = to_mc9s08dz60(gc); + struct mc9s08dz60 *mc9s = gpiochip_get_data(gc); mc9s_gpio_to_reg_and_bit(offset, ®, &bit); value = i2c_smbus_read_byte_data(mc9s->client, reg); @@ -75,7 +69,7 @@ static int mc9s08dz60_set(struct mc9s08dz60 *mc9s, unsigned offset, int val) static void mc9s08dz60_set_value(struct gpio_chip *gc, unsigned offset, int val) { - struct mc9s08dz60 *mc9s = to_mc9s08dz60(gc); + struct mc9s08dz60 *mc9s = gpiochip_get_data(gc); mc9s08dz60_set(mc9s, offset, val); } @@ -83,7 +77,7 @@ static void mc9s08dz60_set_value(struct gpio_chip *gc, unsigned offset, int val) static int mc9s08dz60_direction_output(struct gpio_chip *gc, unsigned offset, int val) { - struct mc9s08dz60 *mc9s = to_mc9s08dz60(gc); + struct mc9s08dz60 *mc9s = gpiochip_get_data(gc); return mc9s08dz60_set(mc9s, offset, val); } @@ -99,7 +93,7 @@ static int mc9s08dz60_probe(struct i2c_client *client, mc9s->chip.label = client->name; mc9s->chip.base = -1; - mc9s->chip.dev = &client->dev; + mc9s->chip.parent = &client->dev; mc9s->chip.owner = THIS_MODULE; mc9s->chip.ngpio = GPIO_NUM; mc9s->chip.can_sleep = true; @@ -109,7 +103,7 @@ static int mc9s08dz60_probe(struct i2c_client *client, mc9s->client = client; i2c_set_clientdata(client, mc9s); - return gpiochip_add(&mc9s->chip); + return gpiochip_add_data(&mc9s->chip, mc9s); } static int mc9s08dz60_remove(struct i2c_client *client) @@ -131,7 +125,6 @@ MODULE_DEVICE_TABLE(i2c, mc9s08dz60_id); static struct i2c_driver mc9s08dz60_i2c_driver = { .driver = { - .owner = THIS_MODULE, .name = "mc9s08dz60", }, .probe = mc9s08dz60_probe, diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index 4a41694919da..c767879e4dd9 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -269,7 +269,7 @@ static const struct mcp23s08_ops mcp23s17_ops = { static int mcp23s08_direction_input(struct gpio_chip *chip, unsigned offset) { - struct mcp23s08 *mcp = container_of(chip, struct mcp23s08, chip); + struct mcp23s08 *mcp = gpiochip_get_data(chip); int status; mutex_lock(&mcp->lock); @@ -281,7 +281,7 @@ static int mcp23s08_direction_input(struct gpio_chip *chip, unsigned offset) static int mcp23s08_get(struct gpio_chip *chip, unsigned offset) { - struct mcp23s08 *mcp = container_of(chip, struct mcp23s08, chip); + struct mcp23s08 *mcp = gpiochip_get_data(chip); int status; mutex_lock(&mcp->lock); @@ -312,7 +312,7 @@ static int __mcp23s08_set(struct mcp23s08 *mcp, unsigned mask, int value) static void mcp23s08_set(struct gpio_chip *chip, unsigned offset, int value) { - struct mcp23s08 *mcp = container_of(chip, struct mcp23s08, chip); + struct mcp23s08 *mcp = gpiochip_get_data(chip); unsigned mask = 1 << offset; mutex_lock(&mcp->lock); @@ -323,7 +323,7 @@ static void mcp23s08_set(struct gpio_chip *chip, unsigned offset, int value) static int mcp23s08_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - struct mcp23s08 *mcp = container_of(chip, struct mcp23s08, chip); + struct mcp23s08 *mcp = gpiochip_get_data(chip); unsigned mask = 1 << offset; int status; @@ -377,7 +377,7 @@ static irqreturn_t mcp23s08_irq(int irq, void *data) static int mcp23s08_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { - struct mcp23s08 *mcp = container_of(chip, struct mcp23s08, chip); + struct mcp23s08 *mcp = gpiochip_get_data(chip); return irq_find_mapping(mcp->irq_domain, offset); } @@ -446,7 +446,7 @@ static int mcp23s08_irq_reqres(struct irq_data *data) struct mcp23s08 *mcp = irq_data_get_irq_chip_data(data); if (gpiochip_lock_as_irq(&mcp->chip, data->hwirq)) { - dev_err(mcp->chip.dev, + dev_err(mcp->chip.parent, "unable to lock HW IRQ %lu for IRQ usage\n", data->hwirq); return -EINVAL; @@ -481,7 +481,8 @@ static int mcp23s08_irq_setup(struct mcp23s08 *mcp) mutex_init(&mcp->irq_lock); - mcp->irq_domain = irq_domain_add_linear(chip->dev->of_node, chip->ngpio, + mcp->irq_domain = irq_domain_add_linear(chip->parent->of_node, + chip->ngpio, &irq_domain_simple_ops, mcp); if (!mcp->irq_domain) return -ENODEV; @@ -491,10 +492,11 @@ static int mcp23s08_irq_setup(struct mcp23s08 *mcp) else irqflags |= IRQF_TRIGGER_LOW; - err = devm_request_threaded_irq(chip->dev, mcp->irq, NULL, mcp23s08_irq, - irqflags, dev_name(chip->dev), mcp); + err = devm_request_threaded_irq(chip->parent, mcp->irq, NULL, + mcp23s08_irq, + irqflags, dev_name(chip->parent), mcp); if (err != 0) { - dev_err(chip->dev, "unable to request IRQ#%d: %d\n", + dev_err(chip->parent, "unable to request IRQ#%d: %d\n", mcp->irq, err); return err; } @@ -542,7 +544,7 @@ static void mcp23s08_dbg_show(struct seq_file *s, struct gpio_chip *chip) int t; unsigned mask; - mcp = container_of(chip, struct mcp23s08, chip); + mcp = gpiochip_get_data(chip); /* NOTE: we only handle one bank for now ... */ bank = '0' + ((mcp->addr >> 1) & 0x7); @@ -638,7 +640,7 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, mcp->chip.base = pdata->base; mcp->chip.can_sleep = true; - mcp->chip.dev = dev; + mcp->chip.parent = dev; mcp->chip.owner = THIS_MODULE; /* verify MCP_IOCON.SEQOP = 0, so sequential reads work, @@ -652,7 +654,7 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, mcp->irq_controller = pdata->irq_controller; if (mcp->irq && mcp->irq_controller) { mcp->irq_active_high = - of_property_read_bool(mcp->chip.dev->of_node, + of_property_read_bool(mcp->chip.parent->of_node, "microchip,irq-active-high"); if (type == MCP_TYPE_017) @@ -702,7 +704,7 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, goto fail; } - status = gpiochip_add(&mcp->chip); + status = gpiochip_add_data(&mcp->chip, mcp); if (status < 0) goto fail; diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c index 5536108aa9db..796a5a4bc4f5 100644 --- a/drivers/gpio/gpio-ml-ioh.c +++ b/drivers/gpio/gpio-ml-ioh.c @@ -106,7 +106,7 @@ static const int num_ports[] = {6, 12, 16, 16, 15, 16, 16, 12}; static void ioh_gpio_set(struct gpio_chip *gpio, unsigned nr, int val) { u32 reg_val; - struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio); + struct ioh_gpio *chip = gpiochip_get_data(gpio); unsigned long flags; spin_lock_irqsave(&chip->spinlock, flags); @@ -122,15 +122,15 @@ static void ioh_gpio_set(struct gpio_chip *gpio, unsigned nr, int val) static int ioh_gpio_get(struct gpio_chip *gpio, unsigned nr) { - struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio); + struct ioh_gpio *chip = gpiochip_get_data(gpio); - return ioread32(&chip->reg->regs[chip->ch].pi) & (1 << nr); + return !!(ioread32(&chip->reg->regs[chip->ch].pi) & (1 << nr)); } static int ioh_gpio_direction_output(struct gpio_chip *gpio, unsigned nr, int val) { - struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio); + struct ioh_gpio *chip = gpiochip_get_data(gpio); u32 pm; u32 reg_val; unsigned long flags; @@ -155,7 +155,7 @@ static int ioh_gpio_direction_output(struct gpio_chip *gpio, unsigned nr, static int ioh_gpio_direction_input(struct gpio_chip *gpio, unsigned nr) { - struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio); + struct ioh_gpio *chip = gpiochip_get_data(gpio); u32 pm; unsigned long flags; @@ -225,7 +225,7 @@ static void ioh_gpio_restore_reg_conf(struct ioh_gpio *chip) static int ioh_gpio_to_irq(struct gpio_chip *gpio, unsigned offset) { - struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio); + struct ioh_gpio *chip = gpiochip_get_data(gpio); return chip->irq_base + offset; } @@ -450,7 +450,7 @@ static int ioh_gpio_probe(struct pci_dev *pdev, chip->ch = i; spin_lock_init(&chip->spinlock); ioh_gpio_setup(chip, num_ports[i]); - ret = gpiochip_add(&chip->gpio); + ret = gpiochip_add_data(&chip->gpio, chip); if (ret) { dev_err(&pdev->dev, "IOH gpio: Failed to register GPIO\n"); goto err_gpiochip_add; diff --git a/drivers/gpio/gpio-mm-lantiq.c b/drivers/gpio/gpio-mm-lantiq.c index f67ef2283d64..54e5d8257d34 100644 --- a/drivers/gpio/gpio-mm-lantiq.c +++ b/drivers/gpio/gpio-mm-lantiq.c @@ -61,9 +61,7 @@ static void ltq_mm_apply(struct ltq_mm *chip) */ static void ltq_mm_set(struct gpio_chip *gc, unsigned offset, int value) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct ltq_mm *chip = - container_of(mm_gc, struct ltq_mm, mmchip); + struct ltq_mm *chip = gpiochip_get_data(gc); if (value) chip->shadow |= (1 << offset); @@ -122,7 +120,7 @@ static int ltq_mm_probe(struct platform_device *pdev) if (!of_property_read_u32(pdev->dev.of_node, "lantiq,shadow", &shadow)) chip->shadow = shadow; - return of_mm_gpiochip_add(pdev->dev.of_node, &chip->mmchip); + return of_mm_gpiochip_add_data(pdev->dev.of_node, &chip->mmchip, chip); } static int ltq_mm_remove(struct platform_device *pdev) diff --git a/drivers/gpio/gpio-moxart.c b/drivers/gpio/gpio-moxart.c index d3355a6dc9b1..ca604538ebf7 100644 --- a/drivers/gpio/gpio-moxart.c +++ b/drivers/gpio/gpio-moxart.c @@ -14,7 +14,6 @@ #include <linux/init.h> #include <linux/irq.h> #include <linux/io.h> -#include <linux/gpio.h> #include <linux/platform_device.h> #include <linux/module.h> #include <linux/of_address.h> @@ -23,7 +22,7 @@ #include <linux/delay.h> #include <linux/timer.h> #include <linux/bitops.h> -#include <linux/basic_mmio_gpio.h> +#include <linux/gpio/driver.h> #define GPIO_DATA_OUT 0x00 #define GPIO_DATA_IN 0x04 @@ -33,12 +32,12 @@ static int moxart_gpio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct resource *res; - struct bgpio_chip *bgc; + struct gpio_chip *gc; void __iomem *base; int ret; - bgc = devm_kzalloc(dev, sizeof(*bgc), GFP_KERNEL); - if (!bgc) + gc = devm_kzalloc(dev, sizeof(*gc), GFP_KERNEL); + if (!gc) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -46,7 +45,7 @@ static int moxart_gpio_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); - ret = bgpio_init(bgc, dev, 4, base + GPIO_DATA_IN, + ret = bgpio_init(gc, dev, 4, base + GPIO_DATA_IN, base + GPIO_DATA_OUT, NULL, base + GPIO_PIN_DIRECTION, NULL, BGPIOF_READ_OUTPUT_REG_SET); @@ -55,16 +54,16 @@ static int moxart_gpio_probe(struct platform_device *pdev) return ret; } - bgc->gc.label = "moxart-gpio"; - bgc->gc.request = gpiochip_generic_request; - bgc->gc.free = gpiochip_generic_free; - bgc->data = bgc->read_reg(bgc->reg_set); - bgc->gc.base = 0; - bgc->gc.ngpio = 32; - bgc->gc.dev = dev; - bgc->gc.owner = THIS_MODULE; + gc->label = "moxart-gpio"; + gc->request = gpiochip_generic_request; + gc->free = gpiochip_generic_free; + gc->bgpio_data = gc->read_reg(gc->reg_set); + gc->base = 0; + gc->ngpio = 32; + gc->parent = dev; + gc->owner = THIS_MODULE; - ret = gpiochip_add(&bgc->gc); + ret = gpiochip_add_data(gc, NULL); if (ret) { dev_err(dev, "%s: gpiochip_add failed\n", dev->of_node->full_name); diff --git a/drivers/gpio/gpio-mpc5200.c b/drivers/gpio/gpio-mpc5200.c index 4c542153e923..0e5a6709f27d 100644 --- a/drivers/gpio/gpio-mpc5200.c +++ b/drivers/gpio/gpio-mpc5200.c @@ -71,8 +71,7 @@ static inline void __mpc52xx_wkup_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpiochip *chip = container_of(mm_gc, - struct mpc52xx_gpiochip, mmchip); + struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc); struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs; if (val) @@ -100,8 +99,7 @@ mpc52xx_wkup_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) static int mpc52xx_wkup_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpiochip *chip = container_of(mm_gc, - struct mpc52xx_gpiochip, mmchip); + struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc); struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs; unsigned long flags; @@ -125,8 +123,7 @@ mpc52xx_wkup_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs; - struct mpc52xx_gpiochip *chip = container_of(mm_gc, - struct mpc52xx_gpiochip, mmchip); + struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc); unsigned long flags; spin_lock_irqsave(&gpio_lock, flags); @@ -169,7 +166,7 @@ static int mpc52xx_wkup_gpiochip_probe(struct platform_device *ofdev) gc->get = mpc52xx_wkup_gpio_get; gc->set = mpc52xx_wkup_gpio_set; - ret = of_mm_gpiochip_add(ofdev->dev.of_node, &chip->mmchip); + ret = of_mm_gpiochip_add_data(ofdev->dev.of_node, &chip->mmchip, chip); if (ret) return ret; @@ -236,8 +233,7 @@ static inline void __mpc52xx_simple_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpiochip *chip = container_of(mm_gc, - struct mpc52xx_gpiochip, mmchip); + struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc); struct mpc52xx_gpio __iomem *regs = mm_gc->regs; if (val) @@ -264,8 +260,7 @@ mpc52xx_simple_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) static int mpc52xx_simple_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpiochip *chip = container_of(mm_gc, - struct mpc52xx_gpiochip, mmchip); + struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc); struct mpc52xx_gpio __iomem *regs = mm_gc->regs; unsigned long flags; @@ -288,8 +283,7 @@ static int mpc52xx_simple_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpiochip *chip = container_of(mm_gc, - struct mpc52xx_gpiochip, mmchip); + struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc); struct mpc52xx_gpio __iomem *regs = mm_gc->regs; unsigned long flags; @@ -334,7 +328,7 @@ static int mpc52xx_simple_gpiochip_probe(struct platform_device *ofdev) gc->get = mpc52xx_simple_gpio_get; gc->set = mpc52xx_simple_gpio_set; - ret = of_mm_gpiochip_add(ofdev->dev.of_node, &chip->mmchip); + ret = of_mm_gpiochip_add_data(ofdev->dev.of_node, &chip->mmchip, chip); if (ret) return ret; @@ -360,15 +354,14 @@ static struct platform_driver mpc52xx_simple_gpiochip_driver = { .remove = mpc52xx_gpiochip_remove, }; +static struct platform_driver * const drivers[] = { + &mpc52xx_wkup_gpiochip_driver, + &mpc52xx_simple_gpiochip_driver, +}; + static int __init mpc52xx_gpio_init(void) { - if (platform_driver_register(&mpc52xx_wkup_gpiochip_driver)) - printk(KERN_ERR "Unable to register wakeup GPIO driver\n"); - - if (platform_driver_register(&mpc52xx_simple_gpiochip_driver)) - printk(KERN_ERR "Unable to register simple GPIO driver\n"); - - return 0; + return platform_register_drivers(drivers, ARRAY_SIZE(drivers)); } /* Make sure we get initialised before anyone else tries to use us */ @@ -376,9 +369,7 @@ subsys_initcall(mpc52xx_gpio_init); static void __exit mpc52xx_gpio_exit(void) { - platform_driver_unregister(&mpc52xx_wkup_gpiochip_driver); - - platform_driver_unregister(&mpc52xx_simple_gpiochip_driver); + platform_unregister_drivers(drivers, ARRAY_SIZE(drivers)); } module_exit(mpc52xx_gpio_exit); diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c index 48ef368347ab..9d40787e66c0 100644 --- a/drivers/gpio/gpio-mpc8xxx.c +++ b/drivers/gpio/gpio-mpc8xxx.c @@ -49,15 +49,10 @@ static inline u32 mpc8xxx_gpio2mask(unsigned int gpio) return 1u << (MPC8XXX_GPIO_PINS - 1 - gpio); } -static inline struct mpc8xxx_gpio_chip * -to_mpc8xxx_gpio_chip(struct of_mm_gpio_chip *mm) -{ - return container_of(mm, struct mpc8xxx_gpio_chip, mm_gc); -} - static void mpc8xxx_gpio_save_regs(struct of_mm_gpio_chip *mm) { - struct mpc8xxx_gpio_chip *mpc8xxx_gc = to_mpc8xxx_gpio_chip(mm); + struct mpc8xxx_gpio_chip *mpc8xxx_gc = + container_of(mm, struct mpc8xxx_gpio_chip, mm_gc); mpc8xxx_gc->data = in_be32(mm->regs + GPIO_DAT); } @@ -71,7 +66,7 @@ static int mpc8572_gpio_get(struct gpio_chip *gc, unsigned int gpio) { u32 val; struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc); - struct mpc8xxx_gpio_chip *mpc8xxx_gc = to_mpc8xxx_gpio_chip(mm); + struct mpc8xxx_gpio_chip *mpc8xxx_gc = gpiochip_get_data(gc); u32 out_mask, out_shadow; out_mask = in_be32(mm->regs + GPIO_DIR); @@ -79,7 +74,7 @@ static int mpc8572_gpio_get(struct gpio_chip *gc, unsigned int gpio) val = in_be32(mm->regs + GPIO_DAT) & ~out_mask; out_shadow = mpc8xxx_gc->data & out_mask; - return (val | out_shadow) & mpc8xxx_gpio2mask(gpio); + return !!((val | out_shadow) & mpc8xxx_gpio2mask(gpio)); } static int mpc8xxx_gpio_get(struct gpio_chip *gc, unsigned int gpio) @@ -92,7 +87,7 @@ static int mpc8xxx_gpio_get(struct gpio_chip *gc, unsigned int gpio) static void mpc8xxx_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) { struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc); - struct mpc8xxx_gpio_chip *mpc8xxx_gc = to_mpc8xxx_gpio_chip(mm); + struct mpc8xxx_gpio_chip *mpc8xxx_gc = gpiochip_get_data(gc); unsigned long flags; raw_spin_lock_irqsave(&mpc8xxx_gc->lock, flags); @@ -111,7 +106,7 @@ static void mpc8xxx_gpio_set_multiple(struct gpio_chip *gc, unsigned long *mask, unsigned long *bits) { struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc); - struct mpc8xxx_gpio_chip *mpc8xxx_gc = to_mpc8xxx_gpio_chip(mm); + struct mpc8xxx_gpio_chip *mpc8xxx_gc = gpiochip_get_data(gc); unsigned long flags; int i; @@ -136,7 +131,7 @@ static void mpc8xxx_gpio_set_multiple(struct gpio_chip *gc, static int mpc8xxx_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) { struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc); - struct mpc8xxx_gpio_chip *mpc8xxx_gc = to_mpc8xxx_gpio_chip(mm); + struct mpc8xxx_gpio_chip *mpc8xxx_gc = gpiochip_get_data(gc); unsigned long flags; raw_spin_lock_irqsave(&mpc8xxx_gc->lock, flags); @@ -151,7 +146,7 @@ static int mpc8xxx_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) static int mpc8xxx_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) { struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc); - struct mpc8xxx_gpio_chip *mpc8xxx_gc = to_mpc8xxx_gpio_chip(mm); + struct mpc8xxx_gpio_chip *mpc8xxx_gc = gpiochip_get_data(gc); unsigned long flags; mpc8xxx_gpio_set(gc, gpio, val); @@ -185,8 +180,7 @@ static int mpc5125_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val static int mpc8xxx_gpio_to_irq(struct gpio_chip *gc, unsigned offset) { - struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc); - struct mpc8xxx_gpio_chip *mpc8xxx_gc = to_mpc8xxx_gpio_chip(mm); + struct mpc8xxx_gpio_chip *mpc8xxx_gc = gpiochip_get_data(gc); if (mpc8xxx_gc->irq && offset < MPC8XXX_GPIO_PINS) return irq_create_mapping(mpc8xxx_gc->irq, offset); @@ -417,7 +411,7 @@ static int mpc8xxx_probe(struct platform_device *pdev) gc->set_multiple = mpc8xxx_gpio_set_multiple; gc->to_irq = mpc8xxx_gpio_to_irq; - ret = of_mm_gpiochip_add(np, mm_gc); + ret = of_mm_gpiochip_add_data(np, mm_gc, mpc8xxx_gc); if (ret) return ret; diff --git a/drivers/gpio/gpio-msic.c b/drivers/gpio/gpio-msic.c index 22523aae8abe..d75649787e6c 100644 --- a/drivers/gpio/gpio-msic.c +++ b/drivers/gpio/gpio-msic.c @@ -143,7 +143,7 @@ static int msic_gpio_get(struct gpio_chip *chip, unsigned offset) if (ret < 0) return ret; - return r & MSIC_GPIO_DIN_MASK; + return !!(r & MSIC_GPIO_DIN_MASK); } static void msic_gpio_set(struct gpio_chip *chip, unsigned offset, int value) @@ -179,7 +179,7 @@ static int msic_irq_type(struct irq_data *data, unsigned type) static int msic_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { - struct msic_gpio *mg = container_of(chip, struct msic_gpio, chip); + struct msic_gpio *mg = gpiochip_get_data(chip); return mg->irq_base + offset; } @@ -293,11 +293,11 @@ static int platform_msic_gpio_probe(struct platform_device *pdev) mg->chip.base = pdata->gpio_base; mg->chip.ngpio = MSIC_NUM_GPIO; mg->chip.can_sleep = true; - mg->chip.dev = dev; + mg->chip.parent = dev; mutex_init(&mg->buslock); - retval = gpiochip_add(&mg->chip); + retval = gpiochip_add_data(&mg->chip, mg); if (retval) { dev_err(dev, "Adding MSIC gpio chip failed\n"); goto err; diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index d428b97876c5..a5eacc1dff09 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -187,8 +187,7 @@ static void __iomem *mvebu_gpioreg_level_mask(struct mvebu_gpio_chip *mvchip) static void mvebu_gpio_set(struct gpio_chip *chip, unsigned pin, int value) { - struct mvebu_gpio_chip *mvchip = - container_of(chip, struct mvebu_gpio_chip, chip); + struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip); unsigned long flags; u32 u; @@ -204,8 +203,7 @@ static void mvebu_gpio_set(struct gpio_chip *chip, unsigned pin, int value) static int mvebu_gpio_get(struct gpio_chip *chip, unsigned pin) { - struct mvebu_gpio_chip *mvchip = - container_of(chip, struct mvebu_gpio_chip, chip); + struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip); u32 u; if (readl_relaxed(mvebu_gpioreg_io_conf(mvchip)) & (1 << pin)) { @@ -220,8 +218,7 @@ static int mvebu_gpio_get(struct gpio_chip *chip, unsigned pin) static void mvebu_gpio_blink(struct gpio_chip *chip, unsigned pin, int value) { - struct mvebu_gpio_chip *mvchip = - container_of(chip, struct mvebu_gpio_chip, chip); + struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip); unsigned long flags; u32 u; @@ -237,8 +234,7 @@ static void mvebu_gpio_blink(struct gpio_chip *chip, unsigned pin, int value) static int mvebu_gpio_direction_input(struct gpio_chip *chip, unsigned pin) { - struct mvebu_gpio_chip *mvchip = - container_of(chip, struct mvebu_gpio_chip, chip); + struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip); unsigned long flags; int ret; u32 u; @@ -261,8 +257,7 @@ static int mvebu_gpio_direction_input(struct gpio_chip *chip, unsigned pin) static int mvebu_gpio_direction_output(struct gpio_chip *chip, unsigned pin, int value) { - struct mvebu_gpio_chip *mvchip = - container_of(chip, struct mvebu_gpio_chip, chip); + struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip); unsigned long flags; int ret; u32 u; @@ -287,8 +282,7 @@ static int mvebu_gpio_direction_output(struct gpio_chip *chip, unsigned pin, static int mvebu_gpio_to_irq(struct gpio_chip *chip, unsigned pin) { - struct mvebu_gpio_chip *mvchip = - container_of(chip, struct mvebu_gpio_chip, chip); + struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip); return irq_create_mapping(mvchip->domain, pin); } @@ -494,8 +488,7 @@ static void mvebu_gpio_irq_handler(struct irq_desc *desc) static void mvebu_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) { - struct mvebu_gpio_chip *mvchip = - container_of(chip, struct mvebu_gpio_chip, chip); + struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip); u32 out, io_conf, blink, in_pol, data_in, cause, edg_msk, lvl_msk; int i; @@ -698,7 +691,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip->soc_variant = soc_variant; mvchip->chip.label = dev_name(&pdev->dev); - mvchip->chip.dev = &pdev->dev; + mvchip->chip.parent = &pdev->dev; mvchip->chip.request = gpiochip_generic_request; mvchip->chip.free = gpiochip_generic_free; mvchip->chip.direction_input = mvebu_gpio_direction_input; @@ -763,7 +756,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev) BUG(); } - gpiochip_add(&mvchip->chip); + gpiochip_add_data(&mvchip->chip, mvchip); /* Some gpio controllers do not provide irq support */ if (!of_irq_count(np)) diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index 6ea8df6c7397..7fd21cb53c81 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -26,10 +26,11 @@ #include <linux/irq.h> #include <linux/irqdomain.h> #include <linux/irqchip/chained_irq.h> -#include <linux/gpio.h> #include <linux/platform_device.h> #include <linux/slab.h> -#include <linux/basic_mmio_gpio.h> +#include <linux/gpio/driver.h> +/* FIXME: for gpio_get_value() replace this with direct register read */ +#include <linux/gpio.h> #include <linux/of.h> #include <linux/of_device.h> #include <linux/module.h> @@ -64,7 +65,7 @@ struct mxc_gpio_port { int irq; int irq_high; struct irq_domain *domain; - struct bgpio_chip bgc; + struct gpio_chip gc; u32 both_edges; }; @@ -172,7 +173,7 @@ static int gpio_set_irq_type(struct irq_data *d, u32 type) struct mxc_gpio_port *port = gc->private; u32 bit, val; u32 gpio_idx = d->hwirq; - u32 gpio = port->bgc.gc.base + gpio_idx; + u32 gpio = port->gc.base + gpio_idx; int edge; void __iomem *reg = port->base; @@ -398,9 +399,7 @@ static void mxc_gpio_get_hw(struct platform_device *pdev) static int mxc_gpio_to_irq(struct gpio_chip *gc, unsigned offset) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - struct mxc_gpio_port *port = - container_of(bgc, struct mxc_gpio_port, bgc); + struct mxc_gpio_port *port = gpiochip_get_data(gc); return irq_find_mapping(port->domain, offset); } @@ -451,7 +450,7 @@ static int mxc_gpio_probe(struct platform_device *pdev) port); } - err = bgpio_init(&port->bgc, &pdev->dev, 4, + err = bgpio_init(&port->gc, &pdev->dev, 4, port->base + GPIO_PSR, port->base + GPIO_DR, NULL, port->base + GPIO_GDIR, NULL, @@ -459,13 +458,13 @@ static int mxc_gpio_probe(struct platform_device *pdev) if (err) goto out_bgio; - port->bgc.gc.to_irq = mxc_gpio_to_irq; - port->bgc.gc.base = (pdev->id < 0) ? of_alias_get_id(np, "gpio") * 32 : + port->gc.to_irq = mxc_gpio_to_irq; + port->gc.base = (pdev->id < 0) ? of_alias_get_id(np, "gpio") * 32 : pdev->id * 32; - err = gpiochip_add(&port->bgc.gc); + err = gpiochip_add_data(&port->gc, port); if (err) - goto out_bgpio_remove; + goto out_bgio; irq_base = irq_alloc_descs(-1, 0, 32, numa_node_id()); if (irq_base < 0) { @@ -494,9 +493,7 @@ out_irqdomain_remove: out_irqdesc_free: irq_free_descs(irq_base, 32); out_gpiochip_remove: - gpiochip_remove(&port->bgc.gc); -out_bgpio_remove: - bgpio_remove(&port->bgc); + gpiochip_remove(&port->gc); out_bgio: dev_info(&pdev->dev, "%s failed with errno %d\n", __func__, err); return err; diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c index a4288f428819..b9daa0bf32a4 100644 --- a/drivers/gpio/gpio-mxs.c +++ b/drivers/gpio/gpio-mxs.c @@ -26,13 +26,14 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/irqdomain.h> -#include <linux/gpio.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/slab.h> -#include <linux/basic_mmio_gpio.h> +#include <linux/gpio/driver.h> +/* FIXME: for gpio_get_value(), replace this by direct register read */ +#include <linux/gpio.h> #include <linux/module.h> #define MXS_SET 0x4 @@ -64,7 +65,7 @@ struct mxs_gpio_port { int id; int irq; struct irq_domain *domain; - struct bgpio_chip bgc; + struct gpio_chip gc; enum mxs_gpio_id devid; u32 both_edges; }; @@ -93,7 +94,7 @@ static int mxs_gpio_set_irq_type(struct irq_data *d, unsigned int type) port->both_edges &= ~pin_mask; switch (type) { case IRQ_TYPE_EDGE_BOTH: - val = gpio_get_value(port->bgc.gc.base + d->hwirq); + val = gpio_get_value(port->gc.base + d->hwirq); if (val) edge = GPIO_INT_FALL_EDGE; else @@ -225,18 +226,14 @@ static int __init mxs_gpio_init_gc(struct mxs_gpio_port *port, int irq_base) static int mxs_gpio_to_irq(struct gpio_chip *gc, unsigned offset) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - struct mxs_gpio_port *port = - container_of(bgc, struct mxs_gpio_port, bgc); + struct mxs_gpio_port *port = gpiochip_get_data(gc); return irq_find_mapping(port->domain, offset); } static int mxs_gpio_get_direction(struct gpio_chip *gc, unsigned offset) { - struct bgpio_chip *bgc = to_bgpio_chip(gc); - struct mxs_gpio_port *port = - container_of(bgc, struct mxs_gpio_port, bgc); + struct mxs_gpio_port *port = gpiochip_get_data(gc); u32 mask = 1 << offset; u32 dir; @@ -330,26 +327,24 @@ static int mxs_gpio_probe(struct platform_device *pdev) irq_set_chained_handler_and_data(port->irq, mxs_gpio_irq_handler, port); - err = bgpio_init(&port->bgc, &pdev->dev, 4, + err = bgpio_init(&port->gc, &pdev->dev, 4, port->base + PINCTRL_DIN(port), port->base + PINCTRL_DOUT(port) + MXS_SET, port->base + PINCTRL_DOUT(port) + MXS_CLR, port->base + PINCTRL_DOE(port), NULL, 0); if (err) - goto out_irqdesc_free; + goto out_irqdomain_remove; - port->bgc.gc.to_irq = mxs_gpio_to_irq; - port->bgc.gc.get_direction = mxs_gpio_get_direction; - port->bgc.gc.base = port->id * 32; + port->gc.to_irq = mxs_gpio_to_irq; + port->gc.get_direction = mxs_gpio_get_direction; + port->gc.base = port->id * 32; - err = gpiochip_add(&port->bgc.gc); + err = gpiochip_add_data(&port->gc, port); if (err) - goto out_bgpio_remove; + goto out_irqdomain_remove; return 0; -out_bgpio_remove: - bgpio_remove(&port->bgc); out_irqdomain_remove: irq_domain_remove(port->domain); out_irqdesc_free: diff --git a/drivers/gpio/gpio-octeon.c b/drivers/gpio/gpio-octeon.c index 62ae251d4490..7665ebcd0c1d 100644 --- a/drivers/gpio/gpio-octeon.c +++ b/drivers/gpio/gpio-octeon.c @@ -41,7 +41,7 @@ struct octeon_gpio { static int octeon_gpio_dir_in(struct gpio_chip *chip, unsigned offset) { - struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip); + struct octeon_gpio *gpio = gpiochip_get_data(chip); cvmx_write_csr(gpio->register_base + bit_cfg_reg(offset), 0); return 0; @@ -49,7 +49,7 @@ static int octeon_gpio_dir_in(struct gpio_chip *chip, unsigned offset) static void octeon_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip); + struct octeon_gpio *gpio = gpiochip_get_data(chip); u64 mask = 1ull << offset; u64 reg = gpio->register_base + (value ? TX_SET : TX_CLEAR); cvmx_write_csr(reg, mask); @@ -58,7 +58,7 @@ static void octeon_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int octeon_gpio_dir_out(struct gpio_chip *chip, unsigned offset, int value) { - struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip); + struct octeon_gpio *gpio = gpiochip_get_data(chip); union cvmx_gpio_bit_cfgx cfgx; octeon_gpio_set(chip, offset, value); @@ -72,7 +72,7 @@ static int octeon_gpio_dir_out(struct gpio_chip *chip, unsigned offset, static int octeon_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct octeon_gpio *gpio = container_of(chip, struct octeon_gpio, chip); + struct octeon_gpio *gpio = gpiochip_get_data(chip); u64 read_bits = cvmx_read_csr(gpio->register_base + RX_DAT); return ((1ull << offset) & read_bits) != 0; @@ -108,7 +108,7 @@ static int octeon_gpio_probe(struct platform_device *pdev) pdev->dev.platform_data = chip; chip->label = "octeon-gpio"; - chip->dev = &pdev->dev; + chip->parent = &pdev->dev; chip->owner = THIS_MODULE; chip->base = 0; chip->can_sleep = false; @@ -117,7 +117,7 @@ static int octeon_gpio_probe(struct platform_device *pdev) chip->get = octeon_gpio_get; chip->direction_output = octeon_gpio_dir_out; chip->set = octeon_gpio_set; - err = gpiochip_add(chip); + err = gpiochip_add_data(chip, gpio); if (err) goto out; @@ -128,7 +128,7 @@ out: static int octeon_gpio_remove(struct platform_device *pdev) { - struct gpio_chip *chip = pdev->dev.platform_data; + struct gpio_chip *chip = dev_get_platdata(&pdev->dev); gpiochip_remove(chip); return 0; } diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index f7fbb46d5d79..189f672bebc1 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -93,7 +93,7 @@ static void omap_gpio_unmask_irq(struct irq_data *d); static inline struct gpio_bank *omap_irq_data_get_bank(struct irq_data *d) { struct gpio_chip *chip = irq_data_get_irq_chip_data(d); - return container_of(chip, struct gpio_bank, chip); + return gpiochip_get_data(chip); } static void omap_set_gpio_direction(struct gpio_bank *bank, int gpio, @@ -661,7 +661,7 @@ static int omap_gpio_wake_enable(struct irq_data *d, unsigned int enable) static int omap_gpio_request(struct gpio_chip *chip, unsigned offset) { - struct gpio_bank *bank = container_of(chip, struct gpio_bank, chip); + struct gpio_bank *bank = gpiochip_get_data(chip); unsigned long flags; /* @@ -681,7 +681,7 @@ static int omap_gpio_request(struct gpio_chip *chip, unsigned offset) static void omap_gpio_free(struct gpio_chip *chip, unsigned offset) { - struct gpio_bank *bank = container_of(chip, struct gpio_bank, chip); + struct gpio_bank *bank = gpiochip_get_data(chip); unsigned long flags; raw_spin_lock_irqsave(&bank->lock, flags); @@ -954,7 +954,7 @@ static int omap_gpio_get_direction(struct gpio_chip *chip, unsigned offset) void __iomem *reg; int dir; - bank = container_of(chip, struct gpio_bank, chip); + bank = gpiochip_get_data(chip); reg = bank->base + bank->regs->direction; raw_spin_lock_irqsave(&bank->lock, flags); dir = !!(readl_relaxed(reg) & BIT(offset)); @@ -967,7 +967,7 @@ static int omap_gpio_input(struct gpio_chip *chip, unsigned offset) struct gpio_bank *bank; unsigned long flags; - bank = container_of(chip, struct gpio_bank, chip); + bank = gpiochip_get_data(chip); raw_spin_lock_irqsave(&bank->lock, flags); omap_set_gpio_direction(bank, offset, 1); raw_spin_unlock_irqrestore(&bank->lock, flags); @@ -978,7 +978,7 @@ static int omap_gpio_get(struct gpio_chip *chip, unsigned offset) { struct gpio_bank *bank; - bank = container_of(chip, struct gpio_bank, chip); + bank = gpiochip_get_data(chip); if (omap_gpio_is_input(bank, offset)) return omap_get_gpio_datain(bank, offset); @@ -991,7 +991,7 @@ static int omap_gpio_output(struct gpio_chip *chip, unsigned offset, int value) struct gpio_bank *bank; unsigned long flags; - bank = container_of(chip, struct gpio_bank, chip); + bank = gpiochip_get_data(chip); raw_spin_lock_irqsave(&bank->lock, flags); bank->set_dataout(bank, offset, value); omap_set_gpio_direction(bank, offset, 0); @@ -1005,7 +1005,7 @@ static int omap_gpio_debounce(struct gpio_chip *chip, unsigned offset, struct gpio_bank *bank; unsigned long flags; - bank = container_of(chip, struct gpio_bank, chip); + bank = gpiochip_get_data(chip); raw_spin_lock_irqsave(&bank->lock, flags); omap2_set_gpio_debounce(bank, offset, debounce); @@ -1019,7 +1019,7 @@ static void omap_gpio_set(struct gpio_chip *chip, unsigned offset, int value) struct gpio_bank *bank; unsigned long flags; - bank = container_of(chip, struct gpio_bank, chip); + bank = gpiochip_get_data(chip); raw_spin_lock_irqsave(&bank->lock, flags); bank->set_dataout(bank, offset, value); raw_spin_unlock_irqrestore(&bank->lock, flags); @@ -1090,7 +1090,7 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc) if (bank->is_mpuio) { bank->chip.label = "mpuio"; if (bank->regs->wkup_en) - bank->chip.dev = &omap_mpuio_device.dev; + bank->chip.parent = &omap_mpuio_device.dev; bank->chip.base = OMAP_MPUIO(0); } else { bank->chip.label = "gpio"; @@ -1098,7 +1098,7 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc) } bank->chip.ngpio = bank->width; - ret = gpiochip_add(&bank->chip); + ret = gpiochip_add_data(&bank->chip, bank); if (ret) { dev_err(bank->dev, "Could not register gpio chip %d\n", ret); return ret; @@ -1197,7 +1197,7 @@ static int omap_gpio_probe(struct platform_device *pdev) } bank->dev = dev; - bank->chip.dev = dev; + bank->chip.parent = dev; bank->chip.owner = THIS_MODULE; bank->dbck_flag = pdata->dbck_flag; bank->stride = pdata->bank_stride; diff --git a/drivers/gpio/gpio-palmas.c b/drivers/gpio/gpio-palmas.c index 52b447c071cb..fdfb3b1e0def 100644 --- a/drivers/gpio/gpio-palmas.c +++ b/drivers/gpio/gpio-palmas.c @@ -35,14 +35,9 @@ struct palmas_device_data { int ngpio; }; -static inline struct palmas_gpio *to_palmas_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct palmas_gpio, gpio_chip); -} - static int palmas_gpio_get(struct gpio_chip *gc, unsigned offset) { - struct palmas_gpio *pg = to_palmas_gpio(gc); + struct palmas_gpio *pg = gpiochip_get_data(gc); struct palmas *palmas = pg->palmas; unsigned int val; int ret; @@ -54,7 +49,7 @@ static int palmas_gpio_get(struct gpio_chip *gc, unsigned offset) ret = palmas_read(palmas, PALMAS_GPIO_BASE, reg, &val); if (ret < 0) { - dev_err(gc->dev, "Reg 0x%02x read failed, %d\n", reg, ret); + dev_err(gc->parent, "Reg 0x%02x read failed, %d\n", reg, ret); return ret; } @@ -65,7 +60,7 @@ static int palmas_gpio_get(struct gpio_chip *gc, unsigned offset) ret = palmas_read(palmas, PALMAS_GPIO_BASE, reg, &val); if (ret < 0) { - dev_err(gc->dev, "Reg 0x%02x read failed, %d\n", reg, ret); + dev_err(gc->parent, "Reg 0x%02x read failed, %d\n", reg, ret); return ret; } return !!(val & BIT(offset)); @@ -74,7 +69,7 @@ static int palmas_gpio_get(struct gpio_chip *gc, unsigned offset) static void palmas_gpio_set(struct gpio_chip *gc, unsigned offset, int value) { - struct palmas_gpio *pg = to_palmas_gpio(gc); + struct palmas_gpio *pg = gpiochip_get_data(gc); struct palmas *palmas = pg->palmas; int ret; unsigned int reg; @@ -90,13 +85,13 @@ static void palmas_gpio_set(struct gpio_chip *gc, unsigned offset, ret = palmas_write(palmas, PALMAS_GPIO_BASE, reg, BIT(offset)); if (ret < 0) - dev_err(gc->dev, "Reg 0x%02x write failed, %d\n", reg, ret); + dev_err(gc->parent, "Reg 0x%02x write failed, %d\n", reg, ret); } static int palmas_gpio_output(struct gpio_chip *gc, unsigned offset, int value) { - struct palmas_gpio *pg = to_palmas_gpio(gc); + struct palmas_gpio *pg = gpiochip_get_data(gc); struct palmas *palmas = pg->palmas; int ret; unsigned int reg; @@ -111,13 +106,14 @@ static int palmas_gpio_output(struct gpio_chip *gc, unsigned offset, ret = palmas_update_bits(palmas, PALMAS_GPIO_BASE, reg, BIT(offset), BIT(offset)); if (ret < 0) - dev_err(gc->dev, "Reg 0x%02x update failed, %d\n", reg, ret); + dev_err(gc->parent, "Reg 0x%02x update failed, %d\n", reg, + ret); return ret; } static int palmas_gpio_input(struct gpio_chip *gc, unsigned offset) { - struct palmas_gpio *pg = to_palmas_gpio(gc); + struct palmas_gpio *pg = gpiochip_get_data(gc); struct palmas *palmas = pg->palmas; int ret; unsigned int reg; @@ -128,13 +124,14 @@ static int palmas_gpio_input(struct gpio_chip *gc, unsigned offset) ret = palmas_update_bits(palmas, PALMAS_GPIO_BASE, reg, BIT(offset), 0); if (ret < 0) - dev_err(gc->dev, "Reg 0x%02x update failed, %d\n", reg, ret); + dev_err(gc->parent, "Reg 0x%02x update failed, %d\n", reg, + ret); return ret; } static int palmas_gpio_to_irq(struct gpio_chip *gc, unsigned offset) { - struct palmas_gpio *pg = to_palmas_gpio(gc); + struct palmas_gpio *pg = gpiochip_get_data(gc); struct palmas *palmas = pg->palmas; return palmas_irq_get_virq(palmas, PALMAS_GPIO_0_IRQ + offset); @@ -188,7 +185,7 @@ static int palmas_gpio_probe(struct platform_device *pdev) palmas_gpio->gpio_chip.to_irq = palmas_gpio_to_irq; palmas_gpio->gpio_chip.set = palmas_gpio_set; palmas_gpio->gpio_chip.get = palmas_gpio_get; - palmas_gpio->gpio_chip.dev = &pdev->dev; + palmas_gpio->gpio_chip.parent = &pdev->dev; #ifdef CONFIG_OF_GPIO palmas_gpio->gpio_chip.of_node = pdev->dev.of_node; #endif @@ -198,7 +195,7 @@ static int palmas_gpio_probe(struct platform_device *pdev) else palmas_gpio->gpio_chip.base = -1; - ret = gpiochip_add(&palmas_gpio->gpio_chip); + ret = gpiochip_add_data(&palmas_gpio->gpio_chip, palmas_gpio); if (ret < 0) { dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret); return ret; diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 2d4892cc70fb..23196c5fc17c 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -18,9 +18,7 @@ #include <linux/i2c.h> #include <linux/platform_data/pca953x.h> #include <linux/slab.h> -#ifdef CONFIG_OF_GPIO #include <linux/of_platform.h> -#endif #include <linux/acpi.h> #define PCA953X_INPUT 0 @@ -109,11 +107,6 @@ struct pca953x_chip { unsigned long driver_data; }; -static inline struct pca953x_chip *to_pca(struct gpio_chip *gc) -{ - return container_of(gc, struct pca953x_chip, gpio_chip); -} - static int pca953x_read_single(struct pca953x_chip *chip, int reg, u32 *val, int off) { @@ -216,7 +209,7 @@ static int pca953x_read_regs(struct pca953x_chip *chip, int reg, u8 *val) static int pca953x_gpio_direction_input(struct gpio_chip *gc, unsigned off) { - struct pca953x_chip *chip = to_pca(gc); + struct pca953x_chip *chip = gpiochip_get_data(gc); u8 reg_val; int ret, offset = 0; @@ -245,7 +238,7 @@ exit: static int pca953x_gpio_direction_output(struct gpio_chip *gc, unsigned off, int val) { - struct pca953x_chip *chip = to_pca(gc); + struct pca953x_chip *chip = gpiochip_get_data(gc); u8 reg_val; int ret, offset = 0; @@ -295,7 +288,7 @@ exit: static int pca953x_gpio_get_value(struct gpio_chip *gc, unsigned off) { - struct pca953x_chip *chip = to_pca(gc); + struct pca953x_chip *chip = gpiochip_get_data(gc); u32 reg_val; int ret, offset = 0; @@ -323,7 +316,7 @@ static int pca953x_gpio_get_value(struct gpio_chip *gc, unsigned off) static void pca953x_gpio_set_value(struct gpio_chip *gc, unsigned off, int val) { - struct pca953x_chip *chip = to_pca(gc); + struct pca953x_chip *chip = gpiochip_get_data(gc); u8 reg_val; int ret, offset = 0; @@ -352,6 +345,43 @@ exit: mutex_unlock(&chip->i2c_lock); } + +static void pca953x_gpio_set_multiple(struct gpio_chip *gc, + unsigned long *mask, unsigned long *bits) +{ + struct pca953x_chip *chip = gpiochip_get_data(gc); + u8 reg_val[MAX_BANK]; + int ret, offset = 0; + int bank_shift = fls((chip->gpio_chip.ngpio - 1) / BANK_SZ); + int bank; + + switch (chip->chip_type) { + case PCA953X_TYPE: + offset = PCA953X_OUTPUT; + break; + case PCA957X_TYPE: + offset = PCA957X_OUT; + break; + } + + memcpy(reg_val, chip->reg_output, NBANK(chip)); + mutex_lock(&chip->i2c_lock); + for(bank=0; bank<NBANK(chip); bank++) { + unsigned bankmask = mask[bank/4] >> ((bank % 4) * 8); + if(bankmask) { + unsigned bankval = bits[bank/4] >> ((bank % 4) * 8); + reg_val[bank] = (reg_val[bank] & ~bankmask) | bankval; + } + } + ret = i2c_smbus_write_i2c_block_data(chip->client, offset << bank_shift, NBANK(chip), reg_val); + if (ret) + goto exit; + + memcpy(chip->reg_output, reg_val, NBANK(chip)); +exit: + mutex_unlock(&chip->i2c_lock); +} + static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios) { struct gpio_chip *gc; @@ -362,12 +392,13 @@ static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios) gc->direction_output = pca953x_gpio_direction_output; gc->get = pca953x_gpio_get_value; gc->set = pca953x_gpio_set_value; + gc->set_multiple = pca953x_gpio_set_multiple; gc->can_sleep = true; gc->base = chip->gpio_start; gc->ngpio = gpios; gc->label = chip->client->name; - gc->dev = &chip->client->dev; + gc->parent = &chip->client->dev; gc->owner = THIS_MODULE; gc->names = chip->names; } @@ -376,7 +407,7 @@ static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios) static void pca953x_irq_mask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct pca953x_chip *chip = to_pca(gc); + struct pca953x_chip *chip = gpiochip_get_data(gc); chip->irq_mask[d->hwirq / BANK_SZ] &= ~(1 << (d->hwirq % BANK_SZ)); } @@ -384,7 +415,7 @@ static void pca953x_irq_mask(struct irq_data *d) static void pca953x_irq_unmask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct pca953x_chip *chip = to_pca(gc); + struct pca953x_chip *chip = gpiochip_get_data(gc); chip->irq_mask[d->hwirq / BANK_SZ] |= 1 << (d->hwirq % BANK_SZ); } @@ -392,7 +423,7 @@ static void pca953x_irq_unmask(struct irq_data *d) static void pca953x_irq_bus_lock(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct pca953x_chip *chip = to_pca(gc); + struct pca953x_chip *chip = gpiochip_get_data(gc); mutex_lock(&chip->irq_lock); } @@ -400,7 +431,7 @@ static void pca953x_irq_bus_lock(struct irq_data *d) static void pca953x_irq_bus_sync_unlock(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct pca953x_chip *chip = to_pca(gc); + struct pca953x_chip *chip = gpiochip_get_data(gc); u8 new_irqs; int level, i; @@ -423,7 +454,7 @@ static void pca953x_irq_bus_sync_unlock(struct irq_data *d) static int pca953x_irq_set_type(struct irq_data *d, unsigned int type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct pca953x_chip *chip = to_pca(gc); + struct pca953x_chip *chip = gpiochip_get_data(gc); int bank_nb = d->hwirq / BANK_SZ; u8 mask = 1 << (d->hwirq % BANK_SZ); @@ -660,6 +691,8 @@ out: return ret; } +static const struct of_device_id pca953x_dt_ids[]; + static int pca953x_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -691,12 +724,18 @@ static int pca953x_probe(struct i2c_client *client, chip->driver_data = id->driver_data; } else { const struct acpi_device_id *id; + const struct of_device_id *match; - id = acpi_match_device(pca953x_acpi_ids, &client->dev); - if (!id) - return -ENODEV; + match = of_match_device(pca953x_dt_ids, &client->dev); + if (match) { + chip->driver_data = (int)(uintptr_t)match->data; + } else { + id = acpi_match_device(pca953x_acpi_ids, &client->dev); + if (!id) + return -ENODEV; - chip->driver_data = id->driver_data; + chip->driver_data = id->driver_data; + } } chip->chip_type = PCA_CHIP_TYPE(chip->driver_data); @@ -715,7 +754,7 @@ static int pca953x_probe(struct i2c_client *client, if (ret) return ret; - ret = gpiochip_add(&chip->gpio_chip); + ret = gpiochip_add_data(&chip->gpio_chip, chip); if (ret) return ret; @@ -755,33 +794,39 @@ static int pca953x_remove(struct i2c_client *client) return 0; } +/* convenience to stop overlong match-table lines */ +#define OF_953X(__nrgpio, __int) (void *)(__nrgpio | PCA953X_TYPE | __int) +#define OF_957X(__nrgpio, __int) (void *)(__nrgpio | PCA957X_TYPE | __int) + static const struct of_device_id pca953x_dt_ids[] = { - { .compatible = "nxp,pca9505", }, - { .compatible = "nxp,pca9534", }, - { .compatible = "nxp,pca9535", }, - { .compatible = "nxp,pca9536", }, - { .compatible = "nxp,pca9537", }, - { .compatible = "nxp,pca9538", }, - { .compatible = "nxp,pca9539", }, - { .compatible = "nxp,pca9554", }, - { .compatible = "nxp,pca9555", }, - { .compatible = "nxp,pca9556", }, - { .compatible = "nxp,pca9557", }, - { .compatible = "nxp,pca9574", }, - { .compatible = "nxp,pca9575", }, - { .compatible = "nxp,pca9698", }, - - { .compatible = "maxim,max7310", }, - { .compatible = "maxim,max7312", }, - { .compatible = "maxim,max7313", }, - { .compatible = "maxim,max7315", }, - - { .compatible = "ti,pca6107", }, - { .compatible = "ti,tca6408", }, - { .compatible = "ti,tca6416", }, - { .compatible = "ti,tca6424", }, - - { .compatible = "exar,xra1202", }, + { .compatible = "nxp,pca9505", .data = OF_953X(40, PCA_INT), }, + { .compatible = "nxp,pca9534", .data = OF_953X( 8, PCA_INT), }, + { .compatible = "nxp,pca9535", .data = OF_953X(16, PCA_INT), }, + { .compatible = "nxp,pca9536", .data = OF_953X( 4, 0), }, + { .compatible = "nxp,pca9537", .data = OF_953X( 4, PCA_INT), }, + { .compatible = "nxp,pca9538", .data = OF_953X( 8, PCA_INT), }, + { .compatible = "nxp,pca9539", .data = OF_953X(16, PCA_INT), }, + { .compatible = "nxp,pca9554", .data = OF_953X( 8, PCA_INT), }, + { .compatible = "nxp,pca9555", .data = OF_953X(16, PCA_INT), }, + { .compatible = "nxp,pca9556", .data = OF_953X( 8, 0), }, + { .compatible = "nxp,pca9557", .data = OF_953X( 8, 0), }, + { .compatible = "nxp,pca9574", .data = OF_957X( 8, PCA_INT), }, + { .compatible = "nxp,pca9575", .data = OF_957X(16, PCA_INT), }, + { .compatible = "nxp,pca9698", .data = OF_953X(40, 0), }, + + { .compatible = "maxim,max7310", .data = OF_953X( 8, 0), }, + { .compatible = "maxim,max7312", .data = OF_953X(16, PCA_INT), }, + { .compatible = "maxim,max7313", .data = OF_953X(16, PCA_INT), }, + { .compatible = "maxim,max7315", .data = OF_953X( 8, PCA_INT), }, + + { .compatible = "ti,pca6107", .data = OF_953X( 8, PCA_INT), }, + { .compatible = "ti,tca6408", .data = OF_953X( 8, PCA_INT), }, + { .compatible = "ti,tca6416", .data = OF_953X(16, PCA_INT), }, + { .compatible = "ti,tca6424", .data = OF_953X(24, PCA_INT), }, + + { .compatible = "onsemi,pca9654", .data = OF_953X( 8, PCA_INT), }, + + { .compatible = "exar,xra1202", .data = OF_953X( 8, 0), }, { } }; diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c index 1d4d9bc8b69d..709cd3fc2a70 100644 --- a/drivers/gpio/gpio-pcf857x.c +++ b/drivers/gpio/gpio-pcf857x.c @@ -137,7 +137,7 @@ static int i2c_read_le16(struct i2c_client *client) static int pcf857x_input(struct gpio_chip *chip, unsigned offset) { - struct pcf857x *gpio = container_of(chip, struct pcf857x, chip); + struct pcf857x *gpio = gpiochip_get_data(chip); int status; mutex_lock(&gpio->lock); @@ -150,16 +150,16 @@ static int pcf857x_input(struct gpio_chip *chip, unsigned offset) static int pcf857x_get(struct gpio_chip *chip, unsigned offset) { - struct pcf857x *gpio = container_of(chip, struct pcf857x, chip); + struct pcf857x *gpio = gpiochip_get_data(chip); int value; value = gpio->read(gpio->client); - return (value < 0) ? 0 : (value & (1 << offset)); + return (value < 0) ? value : !!(value & (1 << offset)); } static int pcf857x_output(struct gpio_chip *chip, unsigned offset, int value) { - struct pcf857x *gpio = container_of(chip, struct pcf857x, chip); + struct pcf857x *gpio = gpiochip_get_data(chip); unsigned bit = 1 << offset; int status; @@ -293,7 +293,7 @@ static int pcf857x_probe(struct i2c_client *client, gpio->chip.base = pdata ? pdata->gpio_base : -1; gpio->chip.can_sleep = true; - gpio->chip.dev = &client->dev; + gpio->chip.parent = &client->dev; gpio->chip.owner = THIS_MODULE; gpio->chip.get = pcf857x_get; gpio->chip.set = pcf857x_set; @@ -372,7 +372,7 @@ static int pcf857x_probe(struct i2c_client *client, gpio->out = ~n_latch; gpio->status = gpio->out; - status = gpiochip_add(&gpio->chip); + status = gpiochip_add_data(&gpio->chip, gpio); if (status < 0) goto fail; @@ -447,7 +447,6 @@ static int pcf857x_remove(struct i2c_client *client) static struct i2c_driver pcf857x_driver = { .driver = { .name = "pcf857x", - .owner = THIS_MODULE, .of_match_table = of_match_ptr(pcf857x_of_table), }, .probe = pcf857x_probe, diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c index 34ed176df15a..7c7135da5d4a 100644 --- a/drivers/gpio/gpio-pch.c +++ b/drivers/gpio/gpio-pch.c @@ -109,7 +109,7 @@ struct pch_gpio { static void pch_gpio_set(struct gpio_chip *gpio, unsigned nr, int val) { u32 reg_val; - struct pch_gpio *chip = container_of(gpio, struct pch_gpio, gpio); + struct pch_gpio *chip = gpiochip_get_data(gpio); unsigned long flags; spin_lock_irqsave(&chip->spinlock, flags); @@ -125,15 +125,15 @@ static void pch_gpio_set(struct gpio_chip *gpio, unsigned nr, int val) static int pch_gpio_get(struct gpio_chip *gpio, unsigned nr) { - struct pch_gpio *chip = container_of(gpio, struct pch_gpio, gpio); + struct pch_gpio *chip = gpiochip_get_data(gpio); - return ioread32(&chip->reg->pi) & (1 << nr); + return (ioread32(&chip->reg->pi) >> nr) & 1; } static int pch_gpio_direction_output(struct gpio_chip *gpio, unsigned nr, int val) { - struct pch_gpio *chip = container_of(gpio, struct pch_gpio, gpio); + struct pch_gpio *chip = gpiochip_get_data(gpio); u32 pm; u32 reg_val; unsigned long flags; @@ -158,7 +158,7 @@ static int pch_gpio_direction_output(struct gpio_chip *gpio, unsigned nr, static int pch_gpio_direction_input(struct gpio_chip *gpio, unsigned nr) { - struct pch_gpio *chip = container_of(gpio, struct pch_gpio, gpio); + struct pch_gpio *chip = gpiochip_get_data(gpio); u32 pm; unsigned long flags; @@ -211,7 +211,7 @@ static void pch_gpio_restore_reg_conf(struct pch_gpio *chip) static int pch_gpio_to_irq(struct gpio_chip *gpio, unsigned offset) { - struct pch_gpio *chip = container_of(gpio, struct pch_gpio, gpio); + struct pch_gpio *chip = gpiochip_get_data(gpio); return chip->irq_base + offset; } @@ -220,7 +220,7 @@ static void pch_gpio_setup(struct pch_gpio *chip) struct gpio_chip *gpio = &chip->gpio; gpio->label = dev_name(chip->dev); - gpio->dev = chip->dev; + gpio->parent = chip->dev; gpio->owner = THIS_MODULE; gpio->direction_input = pch_gpio_direction_input; gpio->get = pch_gpio_get; @@ -394,7 +394,10 @@ static int pch_gpio_probe(struct pci_dev *pdev, pci_set_drvdata(pdev, chip); spin_lock_init(&chip->spinlock); pch_gpio_setup(chip); - ret = gpiochip_add(&chip->gpio); +#ifdef CONFIG_OF_GPIO + chip->gpio.of_node = pdev->dev.of_node; +#endif + ret = gpiochip_add_data(&chip->gpio, chip); if (ret) { dev_err(&pdev->dev, "PCH gpio: Failed to register GPIO\n"); goto err_gpiochip_add; diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c index 4d4b37676702..5cb38212bbc0 100644 --- a/drivers/gpio/gpio-pl061.c +++ b/drivers/gpio/gpio-pl061.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/io.h> #include <linux/ioport.h> +#include <linux/interrupt.h> #include <linux/irq.h> #include <linux/irqchip/chained_irq.h> #include <linux/bitops.h> @@ -60,7 +61,7 @@ struct pl061_gpio { static int pl061_direction_input(struct gpio_chip *gc, unsigned offset) { - struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc); + struct pl061_gpio *chip = gpiochip_get_data(gc); unsigned long flags; unsigned char gpiodir; @@ -79,7 +80,7 @@ static int pl061_direction_input(struct gpio_chip *gc, unsigned offset) static int pl061_direction_output(struct gpio_chip *gc, unsigned offset, int value) { - struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc); + struct pl061_gpio *chip = gpiochip_get_data(gc); unsigned long flags; unsigned char gpiodir; @@ -104,14 +105,14 @@ static int pl061_direction_output(struct gpio_chip *gc, unsigned offset, static int pl061_get_value(struct gpio_chip *gc, unsigned offset) { - struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc); + struct pl061_gpio *chip = gpiochip_get_data(gc); return !!readb(chip->base + (BIT(offset + 2))); } static void pl061_set_value(struct gpio_chip *gc, unsigned offset, int value) { - struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc); + struct pl061_gpio *chip = gpiochip_get_data(gc); writeb(!!value << offset, chip->base + (BIT(offset + 2))); } @@ -119,7 +120,7 @@ static void pl061_set_value(struct gpio_chip *gc, unsigned offset, int value) static int pl061_irq_type(struct irq_data *d, unsigned trigger) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc); + struct pl061_gpio *chip = gpiochip_get_data(gc); int offset = irqd_to_hwirq(d); unsigned long flags; u8 gpiois, gpioibe, gpioiev; @@ -131,7 +132,7 @@ static int pl061_irq_type(struct irq_data *d, unsigned trigger) if ((trigger & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) && (trigger & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING))) { - dev_err(gc->dev, + dev_err(gc->parent, "trying to configure line %d for both level and edge " "detection, choose one!\n", offset); @@ -158,7 +159,7 @@ static int pl061_irq_type(struct irq_data *d, unsigned trigger) else gpioiev &= ~bit; irq_set_handler_locked(d, handle_level_irq); - dev_dbg(gc->dev, "line %d: IRQ on %s level\n", + dev_dbg(gc->parent, "line %d: IRQ on %s level\n", offset, polarity ? "HIGH" : "LOW"); } else if ((trigger & IRQ_TYPE_EDGE_BOTH) == IRQ_TYPE_EDGE_BOTH) { @@ -167,7 +168,7 @@ static int pl061_irq_type(struct irq_data *d, unsigned trigger) /* Select both edges, setting this makes GPIOEV be ignored */ gpioibe |= bit; irq_set_handler_locked(d, handle_edge_irq); - dev_dbg(gc->dev, "line %d: IRQ on both edges\n", offset); + dev_dbg(gc->parent, "line %d: IRQ on both edges\n", offset); } else if ((trigger & IRQ_TYPE_EDGE_RISING) || (trigger & IRQ_TYPE_EDGE_FALLING)) { bool rising = trigger & IRQ_TYPE_EDGE_RISING; @@ -182,7 +183,7 @@ static int pl061_irq_type(struct irq_data *d, unsigned trigger) else gpioiev &= ~bit; irq_set_handler_locked(d, handle_edge_irq); - dev_dbg(gc->dev, "line %d: IRQ on %s edge\n", + dev_dbg(gc->parent, "line %d: IRQ on %s edge\n", offset, rising ? "RISING" : "FALLING"); } else { @@ -191,7 +192,7 @@ static int pl061_irq_type(struct irq_data *d, unsigned trigger) gpioibe &= ~bit; gpioiev &= ~bit; irq_set_handler_locked(d, handle_bad_irq); - dev_warn(gc->dev, "no trigger selected for line %d\n", + dev_warn(gc->parent, "no trigger selected for line %d\n", offset); } @@ -209,7 +210,7 @@ static void pl061_irq_handler(struct irq_desc *desc) unsigned long pending; int offset; struct gpio_chip *gc = irq_desc_get_handler_data(desc); - struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc); + struct pl061_gpio *chip = gpiochip_get_data(gc); struct irq_chip *irqchip = irq_desc_get_chip(desc); chained_irq_enter(irqchip, desc); @@ -227,7 +228,7 @@ static void pl061_irq_handler(struct irq_desc *desc) static void pl061_irq_mask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc); + struct pl061_gpio *chip = gpiochip_get_data(gc); u8 mask = BIT(irqd_to_hwirq(d) % PL061_GPIO_NR); u8 gpioie; @@ -240,7 +241,7 @@ static void pl061_irq_mask(struct irq_data *d) static void pl061_irq_unmask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc); + struct pl061_gpio *chip = gpiochip_get_data(gc); u8 mask = BIT(irqd_to_hwirq(d) % PL061_GPIO_NR); u8 gpioie; @@ -261,7 +262,7 @@ static void pl061_irq_unmask(struct irq_data *d) static void pl061_irq_ack(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc); + struct pl061_gpio *chip = gpiochip_get_data(gc); u8 mask = BIT(irqd_to_hwirq(d) % PL061_GPIO_NR); spin_lock(&chip->lock); @@ -269,12 +270,20 @@ static void pl061_irq_ack(struct irq_data *d) spin_unlock(&chip->lock); } +static int pl061_irq_set_wake(struct irq_data *d, unsigned int state) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + + return irq_set_irq_wake(gc->irq_parent, state); +} + static struct irq_chip pl061_irqchip = { .name = "pl061", .irq_ack = pl061_irq_ack, .irq_mask = pl061_irq_mask, .irq_unmask = pl061_irq_unmask, .irq_set_type = pl061_irq_type, + .irq_set_wake = pl061_irq_set_wake, }; static int pl061_probe(struct amba_device *adev, const struct amba_id *id) @@ -316,10 +325,10 @@ static int pl061_probe(struct amba_device *adev, const struct amba_id *id) chip->gc.set = pl061_set_value; chip->gc.ngpio = PL061_GPIO_NR; chip->gc.label = dev_name(dev); - chip->gc.dev = dev; + chip->gc.parent = dev; chip->gc.owner = THIS_MODULE; - ret = gpiochip_add(&chip->gc); + ret = gpiochip_add_data(&chip->gc, chip); if (ret) return ret; diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index df2ce550f309..b2b7b78664b8 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -24,6 +24,7 @@ #include <linux/io.h> #include <linux/of.h> #include <linux/of_device.h> +#include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include <linux/syscore_ops.h> #include <linux/slab.h> @@ -64,20 +65,11 @@ int pxa_last_gpio; static int irq_base; -#ifdef CONFIG_OF -static struct irq_domain *domain; -static struct device_node *pxa_gpio_of_node; -#endif - -struct pxa_gpio_chip { - struct gpio_chip chip; +struct pxa_gpio_bank { void __iomem *regbase; - char label[10]; - unsigned long irq_mask; unsigned long irq_edge_rise; unsigned long irq_edge_fall; - int (*set_wake)(unsigned int gpio, unsigned int on); #ifdef CONFIG_PM unsigned long saved_gplr; @@ -87,6 +79,17 @@ struct pxa_gpio_chip { #endif }; +struct pxa_gpio_chip { + struct device *dev; + struct gpio_chip chip; + struct pxa_gpio_bank *banks; + struct irq_domain *irqdomain; + + int irq0; + int irq1; + int (*set_wake)(unsigned int gpio, unsigned int on); +}; + enum pxa_gpio_type { PXA25X_GPIO = 0, PXA26X_GPIO, @@ -104,9 +107,8 @@ struct pxa_gpio_id { }; static DEFINE_SPINLOCK(gpio_lock); -static struct pxa_gpio_chip *pxa_gpio_chips; +static struct pxa_gpio_chip *pxa_gpio_chip; static enum pxa_gpio_type gpio_type; -static void __iomem *gpio_reg_base; static struct pxa_gpio_id pxa25x_id = { .type = PXA25X_GPIO, @@ -148,17 +150,28 @@ static struct pxa_gpio_id pxa1928_id = { .gpio_nums = 224, }; -#define for_each_gpio_chip(i, c) \ - for (i = 0, c = &pxa_gpio_chips[0]; i <= pxa_last_gpio; i += 32, c++) +#define for_each_gpio_bank(i, b, pc) \ + for (i = 0, b = pc->banks; i <= pxa_last_gpio; i += 32, b++) -static inline void __iomem *gpio_chip_base(struct gpio_chip *c) +static inline struct pxa_gpio_chip *chip_to_pxachip(struct gpio_chip *c) { - return container_of(c, struct pxa_gpio_chip, chip)->regbase; + struct pxa_gpio_chip *pxa_chip = gpiochip_get_data(c); + + return pxa_chip; } -static inline struct pxa_gpio_chip *gpio_to_pxachip(unsigned gpio) +static inline void __iomem *gpio_bank_base(struct gpio_chip *c, int gpio) { - return &pxa_gpio_chips[gpio_to_bank(gpio)]; + struct pxa_gpio_chip *p = gpiochip_get_data(c); + struct pxa_gpio_bank *bank = p->banks + (gpio / 32); + + return bank->regbase; +} + +static inline struct pxa_gpio_bank *gpio_to_pxabank(struct gpio_chip *c, + unsigned gpio) +{ + return chip_to_pxachip(c)->banks + gpio / 32; } static inline int gpio_is_pxa_type(int type) @@ -187,15 +200,13 @@ static inline int __gpio_is_inverted(int gpio) * is attributed as "occupied" here (I know this terminology isn't * accurate, you are welcome to propose a better one :-) */ -static inline int __gpio_is_occupied(unsigned gpio) +static inline int __gpio_is_occupied(struct pxa_gpio_chip *pchip, unsigned gpio) { - struct pxa_gpio_chip *pxachip; void __iomem *base; unsigned long gafr = 0, gpdr = 0; int ret, af = 0, dir = 0; - pxachip = gpio_to_pxachip(gpio); - base = gpio_chip_base(&pxachip->chip); + base = gpio_bank_base(&pchip->chip, gpio); gpdr = readl_relaxed(base + GPDR_OFFSET); switch (gpio_type) { @@ -218,21 +229,35 @@ static inline int __gpio_is_occupied(unsigned gpio) return ret; } -static int pxa_gpio_to_irq(struct gpio_chip *chip, unsigned offset) +int pxa_irq_to_gpio(int irq) { - return chip->base + offset + irq_base; + struct pxa_gpio_chip *pchip = pxa_gpio_chip; + int irq_gpio0; + + irq_gpio0 = irq_find_mapping(pchip->irqdomain, 0); + if (irq_gpio0 > 0) + return irq - irq_gpio0; + + return irq_gpio0; } -int pxa_irq_to_gpio(int irq) +static int pxa_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { - return irq - irq_base; + struct pxa_gpio_chip *pchip = chip_to_pxachip(chip); + + return irq_find_mapping(pchip->irqdomain, offset); } static int pxa_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - void __iomem *base = gpio_chip_base(chip); - uint32_t value, mask = 1 << offset; + void __iomem *base = gpio_bank_base(chip, offset); + uint32_t value, mask = GPIO_bit(offset); unsigned long flags; + int ret; + + ret = pinctrl_gpio_direction_input(chip->base + offset); + if (!ret) + return 0; spin_lock_irqsave(&gpio_lock, flags); @@ -250,12 +275,17 @@ static int pxa_gpio_direction_input(struct gpio_chip *chip, unsigned offset) static int pxa_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - void __iomem *base = gpio_chip_base(chip); - uint32_t tmp, mask = 1 << offset; + void __iomem *base = gpio_bank_base(chip, offset); + uint32_t tmp, mask = GPIO_bit(offset); unsigned long flags; + int ret; writel_relaxed(mask, base + (value ? GPSR_OFFSET : GPCR_OFFSET)); + ret = pinctrl_gpio_direction_output(chip->base + offset); + if (!ret) + return 0; + spin_lock_irqsave(&gpio_lock, flags); tmp = readl_relaxed(base + GPDR_OFFSET); @@ -271,14 +301,18 @@ static int pxa_gpio_direction_output(struct gpio_chip *chip, static int pxa_gpio_get(struct gpio_chip *chip, unsigned offset) { - u32 gplr = readl_relaxed(gpio_chip_base(chip) + GPLR_OFFSET); - return !!(gplr & (1 << offset)); + void __iomem *base = gpio_bank_base(chip, offset); + u32 gplr = readl_relaxed(base + GPLR_OFFSET); + + return !!(gplr & GPIO_bit(offset)); } static void pxa_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - writel_relaxed(1 << offset, gpio_chip_base(chip) + - (value ? GPSR_OFFSET : GPCR_OFFSET)); + void __iomem *base = gpio_bank_base(chip, offset); + + writel_relaxed(GPIO_bit(offset), + base + (value ? GPSR_OFFSET : GPCR_OFFSET)); } #ifdef CONFIG_OF_GPIO @@ -289,61 +323,61 @@ static int pxa_gpio_of_xlate(struct gpio_chip *gc, if (gpiospec->args[0] > pxa_last_gpio) return -EINVAL; - if (gc != &pxa_gpio_chips[gpiospec->args[0] / 32].chip) - return -EINVAL; - if (flags) *flags = gpiospec->args[1]; - return gpiospec->args[0] % 32; + return gpiospec->args[0]; } #endif -static int pxa_init_gpio_chip(int gpio_end, - int (*set_wake)(unsigned int, unsigned int)) +static int pxa_gpio_request(struct gpio_chip *chip, unsigned int offset) { - int i, gpio, nbanks = gpio_to_bank(gpio_end) + 1; - struct pxa_gpio_chip *chips; - - chips = kzalloc(nbanks * sizeof(struct pxa_gpio_chip), GFP_KERNEL); - if (chips == NULL) { - pr_err("%s: failed to allocate GPIO chips\n", __func__); - return -ENOMEM; - } + return pinctrl_request_gpio(chip->base + offset); +} - for (i = 0, gpio = 0; i < nbanks; i++, gpio += 32) { - struct gpio_chip *c = &chips[i].chip; +static void pxa_gpio_free(struct gpio_chip *chip, unsigned int offset) +{ + pinctrl_free_gpio(chip->base + offset); +} - sprintf(chips[i].label, "gpio-%d", i); - chips[i].regbase = gpio_reg_base + BANK_OFF(i); - chips[i].set_wake = set_wake; +static int pxa_init_gpio_chip(struct pxa_gpio_chip *pchip, int ngpio, + struct device_node *np, void __iomem *regbase) +{ + int i, gpio, nbanks = DIV_ROUND_UP(ngpio, 32); + struct pxa_gpio_bank *bank; - c->base = gpio; - c->label = chips[i].label; + pchip->banks = devm_kcalloc(pchip->dev, nbanks, sizeof(*pchip->banks), + GFP_KERNEL); + if (!pchip->banks) + return -ENOMEM; - c->direction_input = pxa_gpio_direction_input; - c->direction_output = pxa_gpio_direction_output; - c->get = pxa_gpio_get; - c->set = pxa_gpio_set; - c->to_irq = pxa_gpio_to_irq; + pchip->chip.label = "gpio-pxa"; + pchip->chip.direction_input = pxa_gpio_direction_input; + pchip->chip.direction_output = pxa_gpio_direction_output; + pchip->chip.get = pxa_gpio_get; + pchip->chip.set = pxa_gpio_set; + pchip->chip.to_irq = pxa_gpio_to_irq; + pchip->chip.ngpio = ngpio; + pchip->chip.request = pxa_gpio_request; + pchip->chip.free = pxa_gpio_free; #ifdef CONFIG_OF_GPIO - c->of_node = pxa_gpio_of_node; - c->of_xlate = pxa_gpio_of_xlate; - c->of_gpio_n_cells = 2; + pchip->chip.of_node = np; + pchip->chip.of_xlate = pxa_gpio_of_xlate; + pchip->chip.of_gpio_n_cells = 2; #endif - /* number of GPIOs on last bank may be less than 32 */ - c->ngpio = (gpio + 31 > gpio_end) ? (gpio_end - gpio + 1) : 32; - gpiochip_add(c); + for (i = 0, gpio = 0; i < nbanks; i++, gpio += 32) { + bank = pchip->banks + i; + bank->regbase = regbase + BANK_OFF(i); } - pxa_gpio_chips = chips; - return 0; + + return gpiochip_add_data(&pchip->chip, pchip); } /* Update only those GRERx and GFERx edge detection register bits if those * bits are set in c->irq_mask */ -static inline void update_edge_detect(struct pxa_gpio_chip *c) +static inline void update_edge_detect(struct pxa_gpio_bank *c) { uint32_t grer, gfer; @@ -357,12 +391,11 @@ static inline void update_edge_detect(struct pxa_gpio_chip *c) static int pxa_gpio_irq_type(struct irq_data *d, unsigned int type) { - struct pxa_gpio_chip *c; - int gpio = pxa_irq_to_gpio(d->irq); + struct pxa_gpio_chip *pchip = irq_data_get_irq_chip_data(d); + unsigned int gpio = irqd_to_hwirq(d); + struct pxa_gpio_bank *c = gpio_to_pxabank(&pchip->chip, gpio); unsigned long gpdr, mask = GPIO_bit(gpio); - c = gpio_to_pxachip(gpio); - if (type == IRQ_TYPE_PROBE) { /* Don't mess with enabled GPIOs using preconfigured edges or * GPIOs set to alternate function or to output during probe @@ -370,7 +403,7 @@ static int pxa_gpio_irq_type(struct irq_data *d, unsigned int type) if ((c->irq_edge_rise | c->irq_edge_fall) & GPIO_bit(gpio)) return 0; - if (__gpio_is_occupied(gpio)) + if (__gpio_is_occupied(pchip, gpio)) return 0; type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING; @@ -401,20 +434,16 @@ static int pxa_gpio_irq_type(struct irq_data *d, unsigned int type) return 0; } -static void pxa_gpio_demux_handler(struct irq_desc *desc) +static irqreturn_t pxa_gpio_demux_handler(int in_irq, void *d) { - struct pxa_gpio_chip *c; - int loop, gpio, gpio_base, n; + int loop, gpio, n, handled = 0; unsigned long gedr; - struct irq_chip *chip = irq_desc_get_chip(desc); - - chained_irq_enter(chip, desc); + struct pxa_gpio_chip *pchip = d; + struct pxa_gpio_bank *c; do { loop = 0; - for_each_gpio_chip(gpio, c) { - gpio_base = c->chip.base; - + for_each_gpio_bank(gpio, c, pchip) { gedr = readl_relaxed(c->regbase + GEDR_OFFSET); gedr = gedr & c->irq_mask; writel_relaxed(gedr, c->regbase + GEDR_OFFSET); @@ -422,51 +451,71 @@ static void pxa_gpio_demux_handler(struct irq_desc *desc) for_each_set_bit(n, &gedr, BITS_PER_LONG) { loop = 1; - generic_handle_irq(gpio_to_irq(gpio_base + n)); + generic_handle_irq(gpio_to_irq(gpio + n)); } } + handled += loop; } while (loop); - chained_irq_exit(chip, desc); + return handled ? IRQ_HANDLED : IRQ_NONE; +} + +static irqreturn_t pxa_gpio_direct_handler(int in_irq, void *d) +{ + struct pxa_gpio_chip *pchip = d; + + if (in_irq == pchip->irq0) { + generic_handle_irq(gpio_to_irq(0)); + } else if (in_irq == pchip->irq1) { + generic_handle_irq(gpio_to_irq(1)); + } else { + pr_err("%s() unknown irq %d\n", __func__, in_irq); + return IRQ_NONE; + } + return IRQ_HANDLED; } static void pxa_ack_muxed_gpio(struct irq_data *d) { - int gpio = pxa_irq_to_gpio(d->irq); - struct pxa_gpio_chip *c = gpio_to_pxachip(gpio); + struct pxa_gpio_chip *pchip = irq_data_get_irq_chip_data(d); + unsigned int gpio = irqd_to_hwirq(d); + void __iomem *base = gpio_bank_base(&pchip->chip, gpio); - writel_relaxed(GPIO_bit(gpio), c->regbase + GEDR_OFFSET); + writel_relaxed(GPIO_bit(gpio), base + GEDR_OFFSET); } static void pxa_mask_muxed_gpio(struct irq_data *d) { - int gpio = pxa_irq_to_gpio(d->irq); - struct pxa_gpio_chip *c = gpio_to_pxachip(gpio); + struct pxa_gpio_chip *pchip = irq_data_get_irq_chip_data(d); + unsigned int gpio = irqd_to_hwirq(d); + struct pxa_gpio_bank *b = gpio_to_pxabank(&pchip->chip, gpio); + void __iomem *base = gpio_bank_base(&pchip->chip, gpio); uint32_t grer, gfer; - c->irq_mask &= ~GPIO_bit(gpio); + b->irq_mask &= ~GPIO_bit(gpio); - grer = readl_relaxed(c->regbase + GRER_OFFSET) & ~GPIO_bit(gpio); - gfer = readl_relaxed(c->regbase + GFER_OFFSET) & ~GPIO_bit(gpio); - writel_relaxed(grer, c->regbase + GRER_OFFSET); - writel_relaxed(gfer, c->regbase + GFER_OFFSET); + grer = readl_relaxed(base + GRER_OFFSET) & ~GPIO_bit(gpio); + gfer = readl_relaxed(base + GFER_OFFSET) & ~GPIO_bit(gpio); + writel_relaxed(grer, base + GRER_OFFSET); + writel_relaxed(gfer, base + GFER_OFFSET); } static int pxa_gpio_set_wake(struct irq_data *d, unsigned int on) { - int gpio = pxa_irq_to_gpio(d->irq); - struct pxa_gpio_chip *c = gpio_to_pxachip(gpio); + struct pxa_gpio_chip *pchip = irq_data_get_irq_chip_data(d); + unsigned int gpio = irqd_to_hwirq(d); - if (c->set_wake) - return c->set_wake(gpio, on); + if (pchip->set_wake) + return pchip->set_wake(gpio, on); else return 0; } static void pxa_unmask_muxed_gpio(struct irq_data *d) { - int gpio = pxa_irq_to_gpio(d->irq); - struct pxa_gpio_chip *c = gpio_to_pxachip(gpio); + struct pxa_gpio_chip *pchip = irq_data_get_irq_chip_data(d); + unsigned int gpio = irqd_to_hwirq(d); + struct pxa_gpio_bank *c = gpio_to_pxabank(&pchip->chip, gpio); c->irq_mask |= GPIO_bit(gpio); update_edge_detect(c); @@ -506,24 +555,12 @@ static int pxa_gpio_nums(struct platform_device *pdev) return count; } -#ifdef CONFIG_OF -static const struct of_device_id pxa_gpio_dt_ids[] = { - { .compatible = "intel,pxa25x-gpio", .data = &pxa25x_id, }, - { .compatible = "intel,pxa26x-gpio", .data = &pxa26x_id, }, - { .compatible = "intel,pxa27x-gpio", .data = &pxa27x_id, }, - { .compatible = "intel,pxa3xx-gpio", .data = &pxa3xx_id, }, - { .compatible = "marvell,pxa93x-gpio", .data = &pxa93x_id, }, - { .compatible = "marvell,mmp-gpio", .data = &mmp_id, }, - { .compatible = "marvell,mmp2-gpio", .data = &mmp2_id, }, - { .compatible = "marvell,pxa1928-gpio", .data = &pxa1928_id, }, - {} -}; - static int pxa_irq_domain_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) { irq_set_chip_and_handler(irq, &pxa_muxed_gpio_chip, handle_edge_irq); + irq_set_chip_data(irq, d->host_data); irq_set_noprobe(irq); return 0; } @@ -533,10 +570,23 @@ const struct irq_domain_ops pxa_irq_domain_ops = { .xlate = irq_domain_xlate_twocell, }; -static int pxa_gpio_probe_dt(struct platform_device *pdev) +#ifdef CONFIG_OF +static const struct of_device_id pxa_gpio_dt_ids[] = { + { .compatible = "intel,pxa25x-gpio", .data = &pxa25x_id, }, + { .compatible = "intel,pxa26x-gpio", .data = &pxa26x_id, }, + { .compatible = "intel,pxa27x-gpio", .data = &pxa27x_id, }, + { .compatible = "intel,pxa3xx-gpio", .data = &pxa3xx_id, }, + { .compatible = "marvell,pxa93x-gpio", .data = &pxa93x_id, }, + { .compatible = "marvell,mmp-gpio", .data = &mmp_id, }, + { .compatible = "marvell,mmp2-gpio", .data = &mmp2_id, }, + { .compatible = "marvell,pxa1928-gpio", .data = &pxa1928_id, }, + {} +}; + +static int pxa_gpio_probe_dt(struct platform_device *pdev, + struct pxa_gpio_chip *pchip) { - int ret = 0, nr_gpios; - struct device_node *np = pdev->dev.of_node; + int nr_gpios; const struct of_device_id *of_id = of_match_device(pxa_gpio_dt_ids, &pdev->dev); const struct pxa_gpio_id *gpio_id; @@ -554,57 +604,64 @@ static int pxa_gpio_probe_dt(struct platform_device *pdev) irq_base = irq_alloc_descs(-1, 0, nr_gpios, 0); if (irq_base < 0) { dev_err(&pdev->dev, "Failed to allocate IRQ numbers\n"); - ret = irq_base; - goto err; + return irq_base; } - domain = irq_domain_add_legacy(np, nr_gpios, irq_base, 0, - &pxa_irq_domain_ops, NULL); - pxa_gpio_of_node = np; - return 0; -err: - iounmap(gpio_reg_base); - return ret; + return irq_base; } #else -#define pxa_gpio_probe_dt(pdev) (-1) +#define pxa_gpio_probe_dt(pdev, pchip) (-1) #endif static int pxa_gpio_probe(struct platform_device *pdev) { - struct pxa_gpio_chip *c; + struct pxa_gpio_chip *pchip; + struct pxa_gpio_bank *c; struct resource *res; struct clk *clk; struct pxa_gpio_platform_data *info; - int gpio, irq, ret, use_of = 0; + void __iomem *gpio_reg_base; + int gpio, ret; int irq0 = 0, irq1 = 0, irq_mux, gpio_offset = 0; + pchip = devm_kzalloc(&pdev->dev, sizeof(*pchip), GFP_KERNEL); + if (!pchip) + return -ENOMEM; + pchip->dev = &pdev->dev; + info = dev_get_platdata(&pdev->dev); if (info) { irq_base = info->irq_base; if (irq_base <= 0) return -EINVAL; pxa_last_gpio = pxa_gpio_nums(pdev); + pchip->set_wake = info->gpio_set_wake; } else { - irq_base = 0; - use_of = 1; - ret = pxa_gpio_probe_dt(pdev); - if (ret < 0) + irq_base = pxa_gpio_probe_dt(pdev, pchip); + if (irq_base < 0) return -EINVAL; } if (!pxa_last_gpio) return -EINVAL; + pchip->irqdomain = irq_domain_add_legacy(pdev->dev.of_node, + pxa_last_gpio + 1, irq_base, + 0, &pxa_irq_domain_ops, pchip); + if (!pchip->irqdomain) + return -ENOMEM; + irq0 = platform_get_irq_byname(pdev, "gpio0"); irq1 = platform_get_irq_byname(pdev, "gpio1"); irq_mux = platform_get_irq_byname(pdev, "gpio_mux"); if ((irq0 > 0 && irq1 <= 0) || (irq0 <= 0 && irq1 > 0) || (irq_mux <= 0)) return -EINVAL; + + pchip->irq0 = irq0; + pchip->irq1 = irq1; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; - gpio_reg_base = ioremap(res->start, resource_size(res)); + gpio_reg_base = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); if (!gpio_reg_base) return -EINVAL; @@ -615,21 +672,24 @@ static int pxa_gpio_probe(struct platform_device *pdev) if (IS_ERR(clk)) { dev_err(&pdev->dev, "Error %ld to get gpio clock\n", PTR_ERR(clk)); - iounmap(gpio_reg_base); return PTR_ERR(clk); } ret = clk_prepare_enable(clk); if (ret) { clk_put(clk); - iounmap(gpio_reg_base); return ret; } /* Initialize GPIO chips */ - pxa_init_gpio_chip(pxa_last_gpio, info ? info->gpio_set_wake : NULL); + ret = pxa_init_gpio_chip(pchip, pxa_last_gpio + 1, pdev->dev.of_node, + gpio_reg_base); + if (ret) { + clk_put(clk); + return ret; + } /* clear all GPIO edge detects */ - for_each_gpio_chip(gpio, c) { + for_each_gpio_bank(gpio, c, pchip) { writel_relaxed(0, c->regbase + GFER_OFFSET); writel_relaxed(0, c->regbase + GRER_OFFSET); writel_relaxed(~0, c->regbase + GEDR_OFFSET); @@ -638,34 +698,31 @@ static int pxa_gpio_probe(struct platform_device *pdev) writel_relaxed(~0, c->regbase + ED_MASK_OFFSET); } - if (!use_of) { - if (irq0 > 0) { - irq = gpio_to_irq(0); - irq_set_chip_and_handler(irq, &pxa_muxed_gpio_chip, - handle_edge_irq); - irq_clear_status_flags(irq, IRQ_NOREQUEST | IRQ_NOPROBE); - } - if (irq1 > 0) { - irq = gpio_to_irq(1); - irq_set_chip_and_handler(irq, &pxa_muxed_gpio_chip, - handle_edge_irq); - irq_clear_status_flags(irq, IRQ_NOREQUEST | IRQ_NOPROBE); - } - - for (irq = gpio_to_irq(gpio_offset); - irq <= gpio_to_irq(pxa_last_gpio); irq++) { - irq_set_chip_and_handler(irq, &pxa_muxed_gpio_chip, - handle_edge_irq); - irq_clear_status_flags(irq, IRQ_NOREQUEST | IRQ_NOPROBE); - } + if (irq0 > 0) { + ret = devm_request_irq(&pdev->dev, + irq0, pxa_gpio_direct_handler, 0, + "gpio-0", pchip); + if (ret) + dev_err(&pdev->dev, "request of gpio0 irq failed: %d\n", + ret); } + if (irq1 > 0) { + ret = devm_request_irq(&pdev->dev, + irq1, pxa_gpio_direct_handler, 0, + "gpio-1", pchip); + if (ret) + dev_err(&pdev->dev, "request of gpio1 irq failed: %d\n", + ret); + } + ret = devm_request_irq(&pdev->dev, + irq_mux, pxa_gpio_demux_handler, 0, + "gpio-mux", pchip); + if (ret) + dev_err(&pdev->dev, "request of gpio-mux irq failed: %d\n", + ret); - if (irq0 > 0) - irq_set_chained_handler(irq0, pxa_gpio_demux_handler); - if (irq1 > 0) - irq_set_chained_handler(irq1, pxa_gpio_demux_handler); + pxa_gpio_chip = pchip; - irq_set_chained_handler(irq_mux, pxa_gpio_demux_handler); return 0; } @@ -690,19 +747,32 @@ static struct platform_driver pxa_gpio_driver = { .id_table = gpio_id_table, }; -static int __init pxa_gpio_init(void) +static int __init pxa_gpio_legacy_init(void) { + if (of_have_populated_dt()) + return 0; + return platform_driver_register(&pxa_gpio_driver); } -postcore_initcall(pxa_gpio_init); +postcore_initcall(pxa_gpio_legacy_init); + +static int __init pxa_gpio_dt_init(void) +{ + if (of_have_populated_dt()) + return platform_driver_register(&pxa_gpio_driver); + + return 0; +} +device_initcall(pxa_gpio_dt_init); #ifdef CONFIG_PM static int pxa_gpio_suspend(void) { - struct pxa_gpio_chip *c; + struct pxa_gpio_chip *pchip = pxa_gpio_chip; + struct pxa_gpio_bank *c; int gpio; - for_each_gpio_chip(gpio, c) { + for_each_gpio_bank(gpio, c, pchip) { c->saved_gplr = readl_relaxed(c->regbase + GPLR_OFFSET); c->saved_gpdr = readl_relaxed(c->regbase + GPDR_OFFSET); c->saved_grer = readl_relaxed(c->regbase + GRER_OFFSET); @@ -716,10 +786,11 @@ static int pxa_gpio_suspend(void) static void pxa_gpio_resume(void) { - struct pxa_gpio_chip *c; + struct pxa_gpio_chip *pchip = pxa_gpio_chip; + struct pxa_gpio_bank *c; int gpio; - for_each_gpio_chip(gpio, c) { + for_each_gpio_bank(gpio, c, pchip) { /* restore level with set/clear */ writel_relaxed(c->saved_gplr, c->regbase + GPSR_OFFSET); writel_relaxed(~c->saved_gplr, c->regbase + GPCR_OFFSET); diff --git a/drivers/gpio/gpio-rc5t583.c b/drivers/gpio/gpio-rc5t583.c index 6eabf239676b..1e2d210b3369 100644 --- a/drivers/gpio/gpio-rc5t583.c +++ b/drivers/gpio/gpio-rc5t583.c @@ -34,14 +34,9 @@ struct rc5t583_gpio { struct rc5t583 *rc5t583; }; -static inline struct rc5t583_gpio *to_rc5t583_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct rc5t583_gpio, gpio_chip); -} - static int rc5t583_gpio_get(struct gpio_chip *gc, unsigned int offset) { - struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc); + struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc); struct device *parent = rc5t583_gpio->rc5t583->dev; uint8_t val = 0; int ret; @@ -55,7 +50,7 @@ static int rc5t583_gpio_get(struct gpio_chip *gc, unsigned int offset) static void rc5t583_gpio_set(struct gpio_chip *gc, unsigned int offset, int val) { - struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc); + struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc); struct device *parent = rc5t583_gpio->rc5t583->dev; if (val) rc5t583_set_bits(parent, RC5T583_GPIO_IOOUT, BIT(offset)); @@ -65,7 +60,7 @@ static void rc5t583_gpio_set(struct gpio_chip *gc, unsigned int offset, int val) static int rc5t583_gpio_dir_input(struct gpio_chip *gc, unsigned int offset) { - struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc); + struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc); struct device *parent = rc5t583_gpio->rc5t583->dev; int ret; @@ -80,7 +75,7 @@ static int rc5t583_gpio_dir_input(struct gpio_chip *gc, unsigned int offset) static int rc5t583_gpio_dir_output(struct gpio_chip *gc, unsigned offset, int value) { - struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc); + struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc); struct device *parent = rc5t583_gpio->rc5t583->dev; int ret; @@ -95,7 +90,7 @@ static int rc5t583_gpio_dir_output(struct gpio_chip *gc, unsigned offset, static int rc5t583_gpio_to_irq(struct gpio_chip *gc, unsigned offset) { - struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc); + struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc); if (offset < RC5T583_MAX_GPIO) return rc5t583_gpio->rc5t583->irq_base + @@ -105,7 +100,7 @@ static int rc5t583_gpio_to_irq(struct gpio_chip *gc, unsigned offset) static void rc5t583_gpio_free(struct gpio_chip *gc, unsigned offset) { - struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc); + struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc); struct device *parent = rc5t583_gpio->rc5t583->dev; rc5t583_set_bits(parent, RC5T583_GPIO_PGSEL, BIT(offset)); @@ -132,7 +127,7 @@ static int rc5t583_gpio_probe(struct platform_device *pdev) rc5t583_gpio->gpio_chip.to_irq = rc5t583_gpio_to_irq, rc5t583_gpio->gpio_chip.ngpio = RC5T583_MAX_GPIO, rc5t583_gpio->gpio_chip.can_sleep = true, - rc5t583_gpio->gpio_chip.dev = &pdev->dev; + rc5t583_gpio->gpio_chip.parent = &pdev->dev; rc5t583_gpio->gpio_chip.base = -1; rc5t583_gpio->rc5t583 = rc5t583; @@ -141,7 +136,7 @@ static int rc5t583_gpio_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rc5t583_gpio); - return gpiochip_add(&rc5t583_gpio->gpio_chip); + return gpiochip_add_data(&rc5t583_gpio->gpio_chip, rc5t583_gpio); } static int rc5t583_gpio_remove(struct platform_device *pdev) diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index 2a8122444614..cf41440aff91 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -25,7 +25,6 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/pinctrl/consumer.h> -#include <linux/platform_data/gpio-rcar.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/spinlock.h> @@ -34,12 +33,13 @@ struct gpio_rcar_priv { void __iomem *base; spinlock_t lock; - struct gpio_rcar_config config; struct platform_device *pdev; struct gpio_chip gpio_chip; struct irq_chip irq_chip; - unsigned int irq_parent; struct clk *clk; + unsigned int irq_parent; + bool has_both_edge_trigger; + bool needs_clk; }; #define IOINTSEL 0x00 /* General IO/Interrupt Switching Register */ @@ -84,8 +84,7 @@ static void gpio_rcar_modify_bit(struct gpio_rcar_priv *p, int offs, static void gpio_rcar_irq_disable(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = container_of(gc, struct gpio_rcar_priv, - gpio_chip); + struct gpio_rcar_priv *p = gpiochip_get_data(gc); gpio_rcar_write(p, INTMSK, ~BIT(irqd_to_hwirq(d))); } @@ -93,8 +92,7 @@ static void gpio_rcar_irq_disable(struct irq_data *d) static void gpio_rcar_irq_enable(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = container_of(gc, struct gpio_rcar_priv, - gpio_chip); + struct gpio_rcar_priv *p = gpiochip_get_data(gc); gpio_rcar_write(p, MSKCLR, BIT(irqd_to_hwirq(d))); } @@ -121,7 +119,7 @@ static void gpio_rcar_config_interrupt_input_mode(struct gpio_rcar_priv *p, gpio_rcar_modify_bit(p, EDGLEVEL, hwirq, !level_trigger); /* Select one edge or both edges in BOTHEDGE */ - if (p->config.has_both_edge_trigger) + if (p->has_both_edge_trigger) gpio_rcar_modify_bit(p, BOTHEDGE, hwirq, both); /* Select "Interrupt Input Mode" in IOINTSEL */ @@ -137,8 +135,7 @@ static void gpio_rcar_config_interrupt_input_mode(struct gpio_rcar_priv *p, static int gpio_rcar_irq_set_type(struct irq_data *d, unsigned int type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = container_of(gc, struct gpio_rcar_priv, - gpio_chip); + struct gpio_rcar_priv *p = gpiochip_get_data(gc); unsigned int hwirq = irqd_to_hwirq(d); dev_dbg(&p->pdev->dev, "sense irq = %d, type = %d\n", hwirq, type); @@ -161,7 +158,7 @@ static int gpio_rcar_irq_set_type(struct irq_data *d, unsigned int type) false); break; case IRQ_TYPE_EDGE_BOTH: - if (!p->config.has_both_edge_trigger) + if (!p->has_both_edge_trigger) return -EINVAL; gpio_rcar_config_interrupt_input_mode(p, hwirq, true, false, true); @@ -175,8 +172,7 @@ static int gpio_rcar_irq_set_type(struct irq_data *d, unsigned int type) static int gpio_rcar_irq_set_wake(struct irq_data *d, unsigned int on) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = container_of(gc, struct gpio_rcar_priv, - gpio_chip); + struct gpio_rcar_priv *p = gpiochip_get_data(gc); int error; if (p->irq_parent) { @@ -218,16 +214,11 @@ static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id) return irqs_handled ? IRQ_HANDLED : IRQ_NONE; } -static inline struct gpio_rcar_priv *gpio_to_priv(struct gpio_chip *chip) -{ - return container_of(chip, struct gpio_rcar_priv, gpio_chip); -} - static void gpio_rcar_config_general_input_output_mode(struct gpio_chip *chip, unsigned int gpio, bool output) { - struct gpio_rcar_priv *p = gpio_to_priv(chip); + struct gpio_rcar_priv *p = gpiochip_get_data(chip); unsigned long flags; /* follow steps in the GPIO documentation for @@ -251,7 +242,7 @@ static void gpio_rcar_config_general_input_output_mode(struct gpio_chip *chip, static int gpio_rcar_request(struct gpio_chip *chip, unsigned offset) { - struct gpio_rcar_priv *p = gpio_to_priv(chip); + struct gpio_rcar_priv *p = gpiochip_get_data(chip); int error; error = pm_runtime_get_sync(&p->pdev->dev); @@ -267,7 +258,7 @@ static int gpio_rcar_request(struct gpio_chip *chip, unsigned offset) static void gpio_rcar_free(struct gpio_chip *chip, unsigned offset) { - struct gpio_rcar_priv *p = gpio_to_priv(chip); + struct gpio_rcar_priv *p = gpiochip_get_data(chip); pinctrl_free_gpio(chip->base + offset); @@ -291,15 +282,15 @@ static int gpio_rcar_get(struct gpio_chip *chip, unsigned offset) /* testing on r8a7790 shows that INDT does not show correct pin state * when configured as output, so use OUTDT in case of output pins */ - if (gpio_rcar_read(gpio_to_priv(chip), INOUTSEL) & bit) - return !!(gpio_rcar_read(gpio_to_priv(chip), OUTDT) & bit); + if (gpio_rcar_read(gpiochip_get_data(chip), INOUTSEL) & bit) + return !!(gpio_rcar_read(gpiochip_get_data(chip), OUTDT) & bit); else - return !!(gpio_rcar_read(gpio_to_priv(chip), INDT) & bit); + return !!(gpio_rcar_read(gpiochip_get_data(chip), INDT) & bit); } static void gpio_rcar_set(struct gpio_chip *chip, unsigned offset, int value) { - struct gpio_rcar_priv *p = gpio_to_priv(chip); + struct gpio_rcar_priv *p = gpiochip_get_data(chip); unsigned long flags; spin_lock_irqsave(&p->lock, flags); @@ -318,14 +309,17 @@ static int gpio_rcar_direction_output(struct gpio_chip *chip, unsigned offset, struct gpio_rcar_info { bool has_both_edge_trigger; + bool needs_clk; }; static const struct gpio_rcar_info gpio_rcar_info_gen1 = { .has_both_edge_trigger = false, + .needs_clk = false, }; static const struct gpio_rcar_info gpio_rcar_info_gen2 = { .has_both_edge_trigger = true, + .needs_clk = true, }; static const struct of_device_id gpio_rcar_of_table[] = { @@ -355,39 +349,30 @@ static const struct of_device_id gpio_rcar_of_table[] = { MODULE_DEVICE_TABLE(of, gpio_rcar_of_table); -static int gpio_rcar_parse_pdata(struct gpio_rcar_priv *p) +static int gpio_rcar_parse_dt(struct gpio_rcar_priv *p, unsigned int *npins) { - struct gpio_rcar_config *pdata = dev_get_platdata(&p->pdev->dev); struct device_node *np = p->pdev->dev.of_node; + const struct of_device_id *match; + const struct gpio_rcar_info *info; struct of_phandle_args args; int ret; - if (pdata) { - p->config = *pdata; - } else if (IS_ENABLED(CONFIG_OF) && np) { - const struct of_device_id *match; - const struct gpio_rcar_info *info; - - match = of_match_node(gpio_rcar_of_table, np); - if (!match) - return -EINVAL; + match = of_match_node(gpio_rcar_of_table, np); + if (!match) + return -EINVAL; - info = match->data; + info = match->data; - ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, - &args); - p->config.number_of_pins = ret == 0 ? args.args[2] - : RCAR_MAX_GPIO_PER_BANK; - p->config.gpio_base = -1; - p->config.has_both_edge_trigger = info->has_both_edge_trigger; - } + ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &args); + *npins = ret == 0 ? args.args[2] : RCAR_MAX_GPIO_PER_BANK; + p->has_both_edge_trigger = info->has_both_edge_trigger; + p->needs_clk = info->needs_clk; - if (p->config.number_of_pins == 0 || - p->config.number_of_pins > RCAR_MAX_GPIO_PER_BANK) { + if (*npins == 0 || *npins > RCAR_MAX_GPIO_PER_BANK) { dev_warn(&p->pdev->dev, - "Invalid number of gpio lines %u, using %u\n", - p->config.number_of_pins, RCAR_MAX_GPIO_PER_BANK); - p->config.number_of_pins = RCAR_MAX_GPIO_PER_BANK; + "Invalid number of gpio lines %u, using %u\n", *npins, + RCAR_MAX_GPIO_PER_BANK); + *npins = RCAR_MAX_GPIO_PER_BANK; } return 0; @@ -401,6 +386,7 @@ static int gpio_rcar_probe(struct platform_device *pdev) struct irq_chip *irq_chip; struct device *dev = &pdev->dev; const char *name = dev_name(dev); + unsigned int npins; int ret; p = devm_kzalloc(dev, sizeof(*p), GFP_KERNEL); @@ -410,8 +396,8 @@ static int gpio_rcar_probe(struct platform_device *pdev) p->pdev = pdev; spin_lock_init(&p->lock); - /* Get device configuration from DT node or platform data. */ - ret = gpio_rcar_parse_pdata(p); + /* Get device configuration from DT node */ + ret = gpio_rcar_parse_dt(p, &npins); if (ret < 0) return ret; @@ -419,7 +405,11 @@ static int gpio_rcar_probe(struct platform_device *pdev) p->clk = devm_clk_get(dev, NULL); if (IS_ERR(p->clk)) { - dev_warn(dev, "unable to get clock\n"); + if (p->needs_clk) { + dev_err(dev, "unable to get clock\n"); + ret = PTR_ERR(p->clk); + goto err0; + } p->clk = NULL; } @@ -449,10 +439,10 @@ static int gpio_rcar_probe(struct platform_device *pdev) gpio_chip->direction_output = gpio_rcar_direction_output; gpio_chip->set = gpio_rcar_set; gpio_chip->label = name; - gpio_chip->dev = dev; + gpio_chip->parent = dev; gpio_chip->owner = THIS_MODULE; - gpio_chip->base = p->config.gpio_base; - gpio_chip->ngpio = p->config.number_of_pins; + gpio_chip->base = -1; + gpio_chip->ngpio = npins; irq_chip = &p->irq_chip; irq_chip->name = name; @@ -462,14 +452,14 @@ static int gpio_rcar_probe(struct platform_device *pdev) irq_chip->irq_set_wake = gpio_rcar_irq_set_wake; irq_chip->flags = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_MASK_ON_SUSPEND; - ret = gpiochip_add(gpio_chip); + ret = gpiochip_add_data(gpio_chip, p); if (ret) { dev_err(dev, "failed to add GPIO controller\n"); goto err0; } - ret = gpiochip_irqchip_add(gpio_chip, irq_chip, p->config.irq_base, - handle_level_irq, IRQ_TYPE_NONE); + ret = gpiochip_irqchip_add(gpio_chip, irq_chip, 0, handle_level_irq, + IRQ_TYPE_NONE); if (ret) { dev_err(dev, "cannot add irqchip\n"); goto err1; @@ -483,22 +473,7 @@ static int gpio_rcar_probe(struct platform_device *pdev) goto err1; } - dev_info(dev, "driving %d GPIOs\n", p->config.number_of_pins); - - /* warn in case of mismatch if irq base is specified */ - if (p->config.irq_base) { - ret = irq_find_mapping(gpio_chip->irqdomain, 0); - if (p->config.irq_base != ret) - dev_warn(dev, "irq base mismatch (%u/%u)\n", - p->config.irq_base, ret); - } - - if (p->config.pctl_name) { - ret = gpiochip_add_pin_range(gpio_chip, p->config.pctl_name, 0, - gpio_chip->base, gpio_chip->ngpio); - if (ret < 0) - dev_warn(dev, "failed to add pin range\n"); - } + dev_info(dev, "driving %d GPIOs\n", npins); return 0; diff --git a/drivers/gpio/gpio-rdc321x.c b/drivers/gpio/gpio-rdc321x.c index d729bc8a554d..96ddee3f464a 100644 --- a/drivers/gpio/gpio-rdc321x.c +++ b/drivers/gpio/gpio-rdc321x.c @@ -47,7 +47,7 @@ static int rdc_gpio_get_value(struct gpio_chip *chip, unsigned gpio) u32 value = 0; int reg; - gpch = container_of(chip, struct rdc321x_gpio, chip); + gpch = gpiochip_get_data(chip); reg = gpio < 32 ? gpch->reg1_data_base : gpch->reg2_data_base; spin_lock(&gpch->lock); @@ -65,7 +65,7 @@ static void rdc_gpio_set_value_impl(struct gpio_chip *chip, struct rdc321x_gpio *gpch; int reg = (gpio < 32) ? 0 : 1; - gpch = container_of(chip, struct rdc321x_gpio, chip); + gpch = gpiochip_get_data(chip); if (value) gpch->data_reg[reg] |= 1 << (gpio & 0x1f); @@ -83,7 +83,7 @@ static void rdc_gpio_set_value(struct gpio_chip *chip, { struct rdc321x_gpio *gpch; - gpch = container_of(chip, struct rdc321x_gpio, chip); + gpch = gpiochip_get_data(chip); spin_lock(&gpch->lock); rdc_gpio_set_value_impl(chip, gpio, value); spin_unlock(&gpch->lock); @@ -96,7 +96,7 @@ static int rdc_gpio_config(struct gpio_chip *chip, int err; u32 reg; - gpch = container_of(chip, struct rdc321x_gpio, chip); + gpch = gpiochip_get_data(chip); spin_lock(&gpch->lock); err = pci_read_config_dword(gpch->sb_pdev, gpio < 32 ? @@ -194,7 +194,7 @@ static int rdc321x_gpio_probe(struct platform_device *pdev) dev_info(&pdev->dev, "registering %d GPIOs\n", rdc321x_gpio_dev->chip.ngpio); - return gpiochip_add(&rdc321x_gpio_dev->chip); + return gpiochip_add_data(&rdc321x_gpio_dev->chip, rdc321x_gpio_dev); } static int rdc321x_gpio_remove(struct platform_device *pdev) diff --git a/drivers/gpio/gpio-sa1100.c b/drivers/gpio/gpio-sa1100.c index 990fa9023e22..0c99e8fb9af3 100644 --- a/drivers/gpio/gpio-sa1100.c +++ b/drivers/gpio/gpio-sa1100.c @@ -17,7 +17,7 @@ static int sa1100_gpio_get(struct gpio_chip *chip, unsigned offset) { - return GPLR & GPIO_GPIO(offset); + return !!(GPLR & GPIO_GPIO(offset)); } static void sa1100_gpio_set(struct gpio_chip *chip, unsigned offset, int value) @@ -238,7 +238,7 @@ void __init sa1100_init_gpio(void) GRER = 0; GEDR = -1; - gpiochip_add(&sa1100_gpio_chip); + gpiochip_add_data(&sa1100_gpio_chip, NULL); sa1100_gpio_irqdomain = irq_domain_add_simple(NULL, 28, IRQ_GPIO0, diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c deleted file mode 100644 index 7c288ba4dc87..000000000000 --- a/drivers/gpio/gpio-samsung.c +++ /dev/null @@ -1,1328 +0,0 @@ -/* - * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * SAMSUNG - GPIOlib support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> -#include <linux/init.h> -#include <linux/spinlock.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/device.h> -#include <linux/ioport.h> -#include <linux/of.h> -#include <linux/slab.h> -#include <linux/of_address.h> - -#include <asm/irq.h> - -#include <mach/map.h> -#include <mach/regs-gpio.h> -#include <mach/gpio-samsung.h> - -#include <plat/cpu.h> -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> -#include <plat/pm.h> - -int samsung_gpio_setpull_updown(struct samsung_gpio_chip *chip, - unsigned int off, samsung_gpio_pull_t pull) -{ - void __iomem *reg = chip->base + 0x08; - int shift = off * 2; - u32 pup; - - pup = __raw_readl(reg); - pup &= ~(3 << shift); - pup |= pull << shift; - __raw_writel(pup, reg); - - return 0; -} - -samsung_gpio_pull_t samsung_gpio_getpull_updown(struct samsung_gpio_chip *chip, - unsigned int off) -{ - void __iomem *reg = chip->base + 0x08; - int shift = off * 2; - u32 pup = __raw_readl(reg); - - pup >>= shift; - pup &= 0x3; - - return (__force samsung_gpio_pull_t)pup; -} - -int s3c2443_gpio_setpull(struct samsung_gpio_chip *chip, - unsigned int off, samsung_gpio_pull_t pull) -{ - switch (pull) { - case S3C_GPIO_PULL_NONE: - pull = 0x01; - break; - case S3C_GPIO_PULL_UP: - pull = 0x00; - break; - case S3C_GPIO_PULL_DOWN: - pull = 0x02; - break; - } - return samsung_gpio_setpull_updown(chip, off, pull); -} - -samsung_gpio_pull_t s3c2443_gpio_getpull(struct samsung_gpio_chip *chip, - unsigned int off) -{ - samsung_gpio_pull_t pull; - - pull = samsung_gpio_getpull_updown(chip, off); - - switch (pull) { - case 0x00: - pull = S3C_GPIO_PULL_UP; - break; - case 0x01: - case 0x03: - pull = S3C_GPIO_PULL_NONE; - break; - case 0x02: - pull = S3C_GPIO_PULL_DOWN; - break; - } - - return pull; -} - -static int s3c24xx_gpio_setpull_1(struct samsung_gpio_chip *chip, - unsigned int off, samsung_gpio_pull_t pull, - samsung_gpio_pull_t updown) -{ - void __iomem *reg = chip->base + 0x08; - u32 pup = __raw_readl(reg); - - if (pull == updown) - pup &= ~(1 << off); - else if (pull == S3C_GPIO_PULL_NONE) - pup |= (1 << off); - else - return -EINVAL; - - __raw_writel(pup, reg); - return 0; -} - -static samsung_gpio_pull_t s3c24xx_gpio_getpull_1(struct samsung_gpio_chip *chip, - unsigned int off, - samsung_gpio_pull_t updown) -{ - void __iomem *reg = chip->base + 0x08; - u32 pup = __raw_readl(reg); - - pup &= (1 << off); - return pup ? S3C_GPIO_PULL_NONE : updown; -} - -samsung_gpio_pull_t s3c24xx_gpio_getpull_1up(struct samsung_gpio_chip *chip, - unsigned int off) -{ - return s3c24xx_gpio_getpull_1(chip, off, S3C_GPIO_PULL_UP); -} - -int s3c24xx_gpio_setpull_1up(struct samsung_gpio_chip *chip, - unsigned int off, samsung_gpio_pull_t pull) -{ - return s3c24xx_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_UP); -} - -samsung_gpio_pull_t s3c24xx_gpio_getpull_1down(struct samsung_gpio_chip *chip, - unsigned int off) -{ - return s3c24xx_gpio_getpull_1(chip, off, S3C_GPIO_PULL_DOWN); -} - -int s3c24xx_gpio_setpull_1down(struct samsung_gpio_chip *chip, - unsigned int off, samsung_gpio_pull_t pull) -{ - return s3c24xx_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_DOWN); -} - -/* - * samsung_gpio_setcfg_2bit - Samsung 2bit style GPIO configuration. - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * @cfg: The configuration value to set. - * - * This helper deal with the GPIO cases where the control register - * has two bits of configuration per gpio, which have the following - * functions: - * 00 = input - * 01 = output - * 1x = special function - */ - -static int samsung_gpio_setcfg_2bit(struct samsung_gpio_chip *chip, - unsigned int off, unsigned int cfg) -{ - void __iomem *reg = chip->base; - unsigned int shift = off * 2; - u32 con; - - if (samsung_gpio_is_cfg_special(cfg)) { - cfg &= 0xf; - if (cfg > 3) - return -EINVAL; - - cfg <<= shift; - } - - con = __raw_readl(reg); - con &= ~(0x3 << shift); - con |= cfg; - __raw_writel(con, reg); - - return 0; -} - -/* - * samsung_gpio_getcfg_2bit - Samsung 2bit style GPIO configuration read. - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * - * The reverse of samsung_gpio_setcfg_2bit(). Will return a value which - * could be directly passed back to samsung_gpio_setcfg_2bit(), from the - * S3C_GPIO_SPECIAL() macro. - */ - -static unsigned int samsung_gpio_getcfg_2bit(struct samsung_gpio_chip *chip, - unsigned int off) -{ - u32 con; - - con = __raw_readl(chip->base); - con >>= off * 2; - con &= 3; - - /* this conversion works for IN and OUT as well as special mode */ - return S3C_GPIO_SPECIAL(con); -} - -/* - * samsung_gpio_setcfg_4bit - Samsung 4bit single register GPIO config. - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * @cfg: The configuration value to set. - * - * This helper deal with the GPIO cases where the control register has 4 bits - * of control per GPIO, generally in the form of: - * 0000 = Input - * 0001 = Output - * others = Special functions (dependent on bank) - * - * Note, since the code to deal with the case where there are two control - * registers instead of one, we do not have a separate set of functions for - * each case. - */ - -static int samsung_gpio_setcfg_4bit(struct samsung_gpio_chip *chip, - unsigned int off, unsigned int cfg) -{ - void __iomem *reg = chip->base; - unsigned int shift = (off & 7) * 4; - u32 con; - - if (off < 8 && chip->chip.ngpio > 8) - reg -= 4; - - if (samsung_gpio_is_cfg_special(cfg)) { - cfg &= 0xf; - cfg <<= shift; - } - - con = __raw_readl(reg); - con &= ~(0xf << shift); - con |= cfg; - __raw_writel(con, reg); - - return 0; -} - -/* - * samsung_gpio_getcfg_4bit - Samsung 4bit single register GPIO config read. - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * - * The reverse of samsung_gpio_setcfg_4bit(), turning a gpio configuration - * register setting into a value the software can use, such as could be passed - * to samsung_gpio_setcfg_4bit(). - * - * @sa samsung_gpio_getcfg_2bit - */ - -static unsigned samsung_gpio_getcfg_4bit(struct samsung_gpio_chip *chip, - unsigned int off) -{ - void __iomem *reg = chip->base; - unsigned int shift = (off & 7) * 4; - u32 con; - - if (off < 8 && chip->chip.ngpio > 8) - reg -= 4; - - con = __raw_readl(reg); - con >>= shift; - con &= 0xf; - - /* this conversion works for IN and OUT as well as special mode */ - return S3C_GPIO_SPECIAL(con); -} - -#ifdef CONFIG_PLAT_S3C24XX -/* - * s3c24xx_gpio_setcfg_abank - S3C24XX style GPIO configuration (Bank A) - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * @cfg: The configuration value to set. - * - * This helper deal with the GPIO cases where the control register - * has one bit of configuration for the gpio, where setting the bit - * means the pin is in special function mode and unset means output. - */ - -static int s3c24xx_gpio_setcfg_abank(struct samsung_gpio_chip *chip, - unsigned int off, unsigned int cfg) -{ - void __iomem *reg = chip->base; - unsigned int shift = off; - u32 con; - - if (samsung_gpio_is_cfg_special(cfg)) { - cfg &= 0xf; - - /* Map output to 0, and SFN2 to 1 */ - cfg -= 1; - if (cfg > 1) - return -EINVAL; - - cfg <<= shift; - } - - con = __raw_readl(reg); - con &= ~(0x1 << shift); - con |= cfg; - __raw_writel(con, reg); - - return 0; -} - -/* - * s3c24xx_gpio_getcfg_abank - S3C24XX style GPIO configuration read (Bank A) - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * - * The reverse of s3c24xx_gpio_setcfg_abank() turning an GPIO into a usable - * GPIO configuration value. - * - * @sa samsung_gpio_getcfg_2bit - * @sa samsung_gpio_getcfg_4bit - */ - -static unsigned s3c24xx_gpio_getcfg_abank(struct samsung_gpio_chip *chip, - unsigned int off) -{ - u32 con; - - con = __raw_readl(chip->base); - con >>= off; - con &= 1; - con++; - - return S3C_GPIO_SFN(con); -} -#endif - -static void __init samsung_gpiolib_set_cfg(struct samsung_gpio_cfg *chipcfg, - int nr_chips) -{ - for (; nr_chips > 0; nr_chips--, chipcfg++) { - if (!chipcfg->set_config) - chipcfg->set_config = samsung_gpio_setcfg_4bit; - if (!chipcfg->get_config) - chipcfg->get_config = samsung_gpio_getcfg_4bit; - if (!chipcfg->set_pull) - chipcfg->set_pull = samsung_gpio_setpull_updown; - if (!chipcfg->get_pull) - chipcfg->get_pull = samsung_gpio_getpull_updown; - } -} - -struct samsung_gpio_cfg s3c24xx_gpiocfg_default = { - .set_config = samsung_gpio_setcfg_2bit, - .get_config = samsung_gpio_getcfg_2bit, -}; - -#ifdef CONFIG_PLAT_S3C24XX -static struct samsung_gpio_cfg s3c24xx_gpiocfg_banka = { - .set_config = s3c24xx_gpio_setcfg_abank, - .get_config = s3c24xx_gpio_getcfg_abank, -}; -#endif - -static struct samsung_gpio_cfg samsung_gpio_cfgs[] = { - [0] = { - .cfg_eint = 0x0, - }, - [1] = { - .cfg_eint = 0x3, - }, - [2] = { - .cfg_eint = 0x7, - }, - [3] = { - .cfg_eint = 0xF, - }, - [4] = { - .cfg_eint = 0x0, - .set_config = samsung_gpio_setcfg_2bit, - .get_config = samsung_gpio_getcfg_2bit, - }, - [5] = { - .cfg_eint = 0x2, - .set_config = samsung_gpio_setcfg_2bit, - .get_config = samsung_gpio_getcfg_2bit, - }, - [6] = { - .cfg_eint = 0x3, - .set_config = samsung_gpio_setcfg_2bit, - .get_config = samsung_gpio_getcfg_2bit, - }, - [7] = { - .set_config = samsung_gpio_setcfg_2bit, - .get_config = samsung_gpio_getcfg_2bit, - }, -}; - -/* - * Default routines for controlling GPIO, based on the original S3C24XX - * GPIO functions which deal with the case where each gpio bank of the - * chip is as following: - * - * base + 0x00: Control register, 2 bits per gpio - * gpio n: 2 bits starting at (2*n) - * 00 = input, 01 = output, others mean special-function - * base + 0x04: Data register, 1 bit per gpio - * bit n: data bit n -*/ - -static int samsung_gpiolib_2bit_input(struct gpio_chip *chip, unsigned offset) -{ - struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long con; - - samsung_gpio_lock(ourchip, flags); - - con = __raw_readl(base + 0x00); - con &= ~(3 << (offset * 2)); - - __raw_writel(con, base + 0x00); - - samsung_gpio_unlock(ourchip, flags); - return 0; -} - -static int samsung_gpiolib_2bit_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long dat; - unsigned long con; - - samsung_gpio_lock(ourchip, flags); - - dat = __raw_readl(base + 0x04); - dat &= ~(1 << offset); - if (value) - dat |= 1 << offset; - __raw_writel(dat, base + 0x04); - - con = __raw_readl(base + 0x00); - con &= ~(3 << (offset * 2)); - con |= 1 << (offset * 2); - - __raw_writel(con, base + 0x00); - __raw_writel(dat, base + 0x04); - - samsung_gpio_unlock(ourchip, flags); - return 0; -} - -/* - * The samsung_gpiolib_4bit routines are to control the gpio banks where - * the gpio configuration register (GPxCON) has 4 bits per GPIO, as the - * following example: - * - * base + 0x00: Control register, 4 bits per gpio - * gpio n: 4 bits starting at (4*n) - * 0000 = input, 0001 = output, others mean special-function - * base + 0x04: Data register, 1 bit per gpio - * bit n: data bit n - * - * Note, since the data register is one bit per gpio and is at base + 0x4 - * we can use samsung_gpiolib_get and samsung_gpiolib_set to change the - * state of the output. - */ - -static int samsung_gpiolib_4bit_input(struct gpio_chip *chip, - unsigned int offset) -{ - struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long con; - - con = __raw_readl(base + GPIOCON_OFF); - if (ourchip->bitmap_gpio_int & BIT(offset)) - con |= 0xf << con_4bit_shift(offset); - else - con &= ~(0xf << con_4bit_shift(offset)); - __raw_writel(con, base + GPIOCON_OFF); - - pr_debug("%s: %p: CON now %08lx\n", __func__, base, con); - - return 0; -} - -static int samsung_gpiolib_4bit_output(struct gpio_chip *chip, - unsigned int offset, int value) -{ - struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long con; - unsigned long dat; - - con = __raw_readl(base + GPIOCON_OFF); - con &= ~(0xf << con_4bit_shift(offset)); - con |= 0x1 << con_4bit_shift(offset); - - dat = __raw_readl(base + GPIODAT_OFF); - - if (value) - dat |= 1 << offset; - else - dat &= ~(1 << offset); - - __raw_writel(dat, base + GPIODAT_OFF); - __raw_writel(con, base + GPIOCON_OFF); - __raw_writel(dat, base + GPIODAT_OFF); - - pr_debug("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); - - return 0; -} - -/* - * The next set of routines are for the case where the GPIO configuration - * registers are 4 bits per GPIO but there is more than one register (the - * bank has more than 8 GPIOs. - * - * This case is the similar to the 4 bit case, but the registers are as - * follows: - * - * base + 0x00: Control register, 4 bits per gpio (lower 8 GPIOs) - * gpio n: 4 bits starting at (4*n) - * 0000 = input, 0001 = output, others mean special-function - * base + 0x04: Control register, 4 bits per gpio (up to 8 additions GPIOs) - * gpio n: 4 bits starting at (4*n) - * 0000 = input, 0001 = output, others mean special-function - * base + 0x08: Data register, 1 bit per gpio - * bit n: data bit n - * - * To allow us to use the samsung_gpiolib_get and samsung_gpiolib_set - * routines we store the 'base + 0x4' address so that these routines see - * the data register at ourchip->base + 0x04. - */ - -static int samsung_gpiolib_4bit2_input(struct gpio_chip *chip, - unsigned int offset) -{ - struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); - void __iomem *base = ourchip->base; - void __iomem *regcon = base; - unsigned long con; - - if (offset > 7) - offset -= 8; - else - regcon -= 4; - - con = __raw_readl(regcon); - con &= ~(0xf << con_4bit_shift(offset)); - __raw_writel(con, regcon); - - pr_debug("%s: %p: CON %08lx\n", __func__, base, con); - - return 0; -} - -static int samsung_gpiolib_4bit2_output(struct gpio_chip *chip, - unsigned int offset, int value) -{ - struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); - void __iomem *base = ourchip->base; - void __iomem *regcon = base; - unsigned long con; - unsigned long dat; - unsigned con_offset = offset; - - if (con_offset > 7) - con_offset -= 8; - else - regcon -= 4; - - con = __raw_readl(regcon); - con &= ~(0xf << con_4bit_shift(con_offset)); - con |= 0x1 << con_4bit_shift(con_offset); - - dat = __raw_readl(base + GPIODAT_OFF); - - if (value) - dat |= 1 << offset; - else - dat &= ~(1 << offset); - - __raw_writel(dat, base + GPIODAT_OFF); - __raw_writel(con, regcon); - __raw_writel(dat, base + GPIODAT_OFF); - - pr_debug("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); - - return 0; -} - -#ifdef CONFIG_PLAT_S3C24XX -/* The next set of routines are for the case of s3c24xx bank a */ - -static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset) -{ - return -EINVAL; -} - -static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long dat; - unsigned long con; - - local_irq_save(flags); - - con = __raw_readl(base + 0x00); - dat = __raw_readl(base + 0x04); - - dat &= ~(1 << offset); - if (value) - dat |= 1 << offset; - - __raw_writel(dat, base + 0x04); - - con &= ~(1 << offset); - - __raw_writel(con, base + 0x00); - __raw_writel(dat, base + 0x04); - - local_irq_restore(flags); - return 0; -} -#endif - -static void samsung_gpiolib_set(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long dat; - - samsung_gpio_lock(ourchip, flags); - - dat = __raw_readl(base + 0x04); - dat &= ~(1 << offset); - if (value) - dat |= 1 << offset; - __raw_writel(dat, base + 0x04); - - samsung_gpio_unlock(ourchip, flags); -} - -static int samsung_gpiolib_get(struct gpio_chip *chip, unsigned offset) -{ - struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); - unsigned long val; - - val = __raw_readl(ourchip->base + 0x04); - val >>= offset; - val &= 1; - - return val; -} - -/* - * CONFIG_S3C_GPIO_TRACK enables the tracking of the s3c specific gpios - * for use with the configuration calls, and other parts of the s3c gpiolib - * support code. - * - * Not all s3c support code will need this, as some configurations of cpu - * may only support one or two different configuration options and have an - * easy gpio to samsung_gpio_chip mapping function. If this is the case, then - * the machine support file should provide its own samsung_gpiolib_getchip() - * and any other necessary functions. - */ - -#ifdef CONFIG_S3C_GPIO_TRACK -struct samsung_gpio_chip *s3c_gpios[S3C_GPIO_END]; - -static __init void s3c_gpiolib_track(struct samsung_gpio_chip *chip) -{ - unsigned int gpn; - int i; - - gpn = chip->chip.base; - for (i = 0; i < chip->chip.ngpio; i++, gpn++) { - BUG_ON(gpn >= ARRAY_SIZE(s3c_gpios)); - s3c_gpios[gpn] = chip; - } -} -#endif /* CONFIG_S3C_GPIO_TRACK */ - -/* - * samsung_gpiolib_add() - add the Samsung gpio_chip. - * @chip: The chip to register - * - * This is a wrapper to gpiochip_add() that takes our specific gpio chip - * information and makes the necessary alterations for the platform and - * notes the information for use with the configuration systems and any - * other parts of the system. - */ - -static void __init samsung_gpiolib_add(struct samsung_gpio_chip *chip) -{ - struct gpio_chip *gc = &chip->chip; - int ret; - - BUG_ON(!chip->base); - BUG_ON(!gc->label); - BUG_ON(!gc->ngpio); - - spin_lock_init(&chip->lock); - - if (!gc->direction_input) - gc->direction_input = samsung_gpiolib_2bit_input; - if (!gc->direction_output) - gc->direction_output = samsung_gpiolib_2bit_output; - if (!gc->set) - gc->set = samsung_gpiolib_set; - if (!gc->get) - gc->get = samsung_gpiolib_get; - -#ifdef CONFIG_PM - if (chip->pm != NULL) { - if (!chip->pm->save || !chip->pm->resume) - pr_err("gpio: %s has missing PM functions\n", - gc->label); - } else - pr_err("gpio: %s has no PM function\n", gc->label); -#endif - - /* gpiochip_add() prints own failure message on error. */ - ret = gpiochip_add(gc); - if (ret >= 0) - s3c_gpiolib_track(chip); -} - -static void __init s3c24xx_gpiolib_add_chips(struct samsung_gpio_chip *chip, - int nr_chips, void __iomem *base) -{ - int i; - struct gpio_chip *gc = &chip->chip; - - for (i = 0 ; i < nr_chips; i++, chip++) { - /* skip banks not present on SoC */ - if (chip->chip.base >= S3C_GPIO_END) - continue; - - if (!chip->config) - chip->config = &s3c24xx_gpiocfg_default; - if (!chip->pm) - chip->pm = __gpio_pm(&samsung_gpio_pm_2bit); - if ((base != NULL) && (chip->base == NULL)) - chip->base = base + ((i) * 0x10); - - if (!gc->direction_input) - gc->direction_input = samsung_gpiolib_2bit_input; - if (!gc->direction_output) - gc->direction_output = samsung_gpiolib_2bit_output; - - samsung_gpiolib_add(chip); - } -} - -static void __init samsung_gpiolib_add_2bit_chips(struct samsung_gpio_chip *chip, - int nr_chips, void __iomem *base, - unsigned int offset) -{ - int i; - - for (i = 0 ; i < nr_chips; i++, chip++) { - chip->chip.direction_input = samsung_gpiolib_2bit_input; - chip->chip.direction_output = samsung_gpiolib_2bit_output; - - if (!chip->config) - chip->config = &samsung_gpio_cfgs[7]; - if (!chip->pm) - chip->pm = __gpio_pm(&samsung_gpio_pm_2bit); - if ((base != NULL) && (chip->base == NULL)) - chip->base = base + ((i) * offset); - - samsung_gpiolib_add(chip); - } -} - -/* - * samsung_gpiolib_add_4bit_chips - 4bit single register GPIO config. - * @chip: The gpio chip that is being configured. - * @nr_chips: The no of chips (gpio ports) for the GPIO being configured. - * - * This helper deal with the GPIO cases where the control register has 4 bits - * of control per GPIO, generally in the form of: - * 0000 = Input - * 0001 = Output - * others = Special functions (dependent on bank) - * - * Note, since the code to deal with the case where there are two control - * registers instead of one, we do not have a separate set of function - * (samsung_gpiolib_add_4bit2_chips)for each case. - */ - -static void __init samsung_gpiolib_add_4bit_chips(struct samsung_gpio_chip *chip, - int nr_chips, void __iomem *base) -{ - int i; - - for (i = 0 ; i < nr_chips; i++, chip++) { - chip->chip.direction_input = samsung_gpiolib_4bit_input; - chip->chip.direction_output = samsung_gpiolib_4bit_output; - - if (!chip->config) - chip->config = &samsung_gpio_cfgs[2]; - if (!chip->pm) - chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); - if ((base != NULL) && (chip->base == NULL)) - chip->base = base + ((i) * 0x20); - - chip->bitmap_gpio_int = 0; - - samsung_gpiolib_add(chip); - } -} - -static void __init samsung_gpiolib_add_4bit2_chips(struct samsung_gpio_chip *chip, - int nr_chips) -{ - for (; nr_chips > 0; nr_chips--, chip++) { - chip->chip.direction_input = samsung_gpiolib_4bit2_input; - chip->chip.direction_output = samsung_gpiolib_4bit2_output; - - if (!chip->config) - chip->config = &samsung_gpio_cfgs[2]; - if (!chip->pm) - chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); - - samsung_gpiolib_add(chip); - } -} - -int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset) -{ - struct samsung_gpio_chip *samsung_chip = container_of(chip, struct samsung_gpio_chip, chip); - - return samsung_chip->irq_base + offset; -} - -#ifdef CONFIG_PLAT_S3C24XX -static int s3c24xx_gpiolib_fbank_to_irq(struct gpio_chip *chip, unsigned offset) -{ - if (offset < 4) { - if (soc_is_s3c2412()) - return IRQ_EINT0_2412 + offset; - else - return IRQ_EINT0 + offset; - } - - if (offset < 8) - return IRQ_EINT4 + offset - 4; - - return -EINVAL; -} -#endif - -#ifdef CONFIG_ARCH_S3C64XX -static int s3c64xx_gpiolib_mbank_to_irq(struct gpio_chip *chip, unsigned pin) -{ - return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO; -} - -static int s3c64xx_gpiolib_lbank_to_irq(struct gpio_chip *chip, unsigned pin) -{ - return pin >= 8 ? IRQ_EINT(16) + pin - 8 : -ENXIO; -} -#endif - -struct samsung_gpio_chip s3c24xx_gpios[] = { -#ifdef CONFIG_PLAT_S3C24XX - { - .config = &s3c24xx_gpiocfg_banka, - .chip = { - .base = S3C2410_GPA(0), - .owner = THIS_MODULE, - .label = "GPIOA", - .ngpio = 27, - .direction_input = s3c24xx_gpiolib_banka_input, - .direction_output = s3c24xx_gpiolib_banka_output, - }, - }, { - .chip = { - .base = S3C2410_GPB(0), - .owner = THIS_MODULE, - .label = "GPIOB", - .ngpio = 11, - }, - }, { - .chip = { - .base = S3C2410_GPC(0), - .owner = THIS_MODULE, - .label = "GPIOC", - .ngpio = 16, - }, - }, { - .chip = { - .base = S3C2410_GPD(0), - .owner = THIS_MODULE, - .label = "GPIOD", - .ngpio = 16, - }, - }, { - .chip = { - .base = S3C2410_GPE(0), - .label = "GPIOE", - .owner = THIS_MODULE, - .ngpio = 16, - }, - }, { - .chip = { - .base = S3C2410_GPF(0), - .owner = THIS_MODULE, - .label = "GPIOF", - .ngpio = 8, - .to_irq = s3c24xx_gpiolib_fbank_to_irq, - }, - }, { - .irq_base = IRQ_EINT8, - .chip = { - .base = S3C2410_GPG(0), - .owner = THIS_MODULE, - .label = "GPIOG", - .ngpio = 16, - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .chip = { - .base = S3C2410_GPH(0), - .owner = THIS_MODULE, - .label = "GPIOH", - .ngpio = 15, - }, - }, - /* GPIOS for the S3C2443 and later devices. */ - { - .base = S3C2440_GPJCON, - .chip = { - .base = S3C2410_GPJ(0), - .owner = THIS_MODULE, - .label = "GPIOJ", - .ngpio = 16, - }, - }, { - .base = S3C2443_GPKCON, - .chip = { - .base = S3C2410_GPK(0), - .owner = THIS_MODULE, - .label = "GPIOK", - .ngpio = 16, - }, - }, { - .base = S3C2443_GPLCON, - .chip = { - .base = S3C2410_GPL(0), - .owner = THIS_MODULE, - .label = "GPIOL", - .ngpio = 15, - }, - }, { - .base = S3C2443_GPMCON, - .chip = { - .base = S3C2410_GPM(0), - .owner = THIS_MODULE, - .label = "GPIOM", - .ngpio = 2, - }, - }, -#endif -}; - -/* - * GPIO bank summary: - * - * Bank GPIOs Style SlpCon ExtInt Group - * A 8 4Bit Yes 1 - * B 7 4Bit Yes 1 - * C 8 4Bit Yes 2 - * D 5 4Bit Yes 3 - * E 5 4Bit Yes None - * F 16 2Bit Yes 4 [1] - * G 7 4Bit Yes 5 - * H 10 4Bit[2] Yes 6 - * I 16 2Bit Yes None - * J 12 2Bit Yes None - * K 16 4Bit[2] No None - * L 15 4Bit[2] No None - * M 6 4Bit No IRQ_EINT - * N 16 2Bit No IRQ_EINT - * O 16 2Bit Yes 7 - * P 15 2Bit Yes 8 - * Q 9 2Bit Yes 9 - * - * [1] BANKF pins 14,15 do not form part of the external interrupt sources - * [2] BANK has two control registers, GPxCON0 and GPxCON1 - */ - -static struct samsung_gpio_chip s3c64xx_gpios_4bit[] = { -#ifdef CONFIG_ARCH_S3C64XX - { - .chip = { - .base = S3C64XX_GPA(0), - .ngpio = S3C64XX_GPIO_A_NR, - .label = "GPA", - }, - }, { - .chip = { - .base = S3C64XX_GPB(0), - .ngpio = S3C64XX_GPIO_B_NR, - .label = "GPB", - }, - }, { - .chip = { - .base = S3C64XX_GPC(0), - .ngpio = S3C64XX_GPIO_C_NR, - .label = "GPC", - }, - }, { - .chip = { - .base = S3C64XX_GPD(0), - .ngpio = S3C64XX_GPIO_D_NR, - .label = "GPD", - }, - }, { - .config = &samsung_gpio_cfgs[0], - .chip = { - .base = S3C64XX_GPE(0), - .ngpio = S3C64XX_GPIO_E_NR, - .label = "GPE", - }, - }, { - .base = S3C64XX_GPG_BASE, - .chip = { - .base = S3C64XX_GPG(0), - .ngpio = S3C64XX_GPIO_G_NR, - .label = "GPG", - }, - }, { - .base = S3C64XX_GPM_BASE, - .config = &samsung_gpio_cfgs[1], - .chip = { - .base = S3C64XX_GPM(0), - .ngpio = S3C64XX_GPIO_M_NR, - .label = "GPM", - .to_irq = s3c64xx_gpiolib_mbank_to_irq, - }, - }, -#endif -}; - -static struct samsung_gpio_chip s3c64xx_gpios_4bit2[] = { -#ifdef CONFIG_ARCH_S3C64XX - { - .base = S3C64XX_GPH_BASE + 0x4, - .chip = { - .base = S3C64XX_GPH(0), - .ngpio = S3C64XX_GPIO_H_NR, - .label = "GPH", - }, - }, { - .base = S3C64XX_GPK_BASE + 0x4, - .config = &samsung_gpio_cfgs[0], - .chip = { - .base = S3C64XX_GPK(0), - .ngpio = S3C64XX_GPIO_K_NR, - .label = "GPK", - }, - }, { - .base = S3C64XX_GPL_BASE + 0x4, - .config = &samsung_gpio_cfgs[1], - .chip = { - .base = S3C64XX_GPL(0), - .ngpio = S3C64XX_GPIO_L_NR, - .label = "GPL", - .to_irq = s3c64xx_gpiolib_lbank_to_irq, - }, - }, -#endif -}; - -static struct samsung_gpio_chip s3c64xx_gpios_2bit[] = { -#ifdef CONFIG_ARCH_S3C64XX - { - .base = S3C64XX_GPF_BASE, - .config = &samsung_gpio_cfgs[6], - .chip = { - .base = S3C64XX_GPF(0), - .ngpio = S3C64XX_GPIO_F_NR, - .label = "GPF", - }, - }, { - .config = &samsung_gpio_cfgs[7], - .chip = { - .base = S3C64XX_GPI(0), - .ngpio = S3C64XX_GPIO_I_NR, - .label = "GPI", - }, - }, { - .config = &samsung_gpio_cfgs[7], - .chip = { - .base = S3C64XX_GPJ(0), - .ngpio = S3C64XX_GPIO_J_NR, - .label = "GPJ", - }, - }, { - .config = &samsung_gpio_cfgs[6], - .chip = { - .base = S3C64XX_GPO(0), - .ngpio = S3C64XX_GPIO_O_NR, - .label = "GPO", - }, - }, { - .config = &samsung_gpio_cfgs[6], - .chip = { - .base = S3C64XX_GPP(0), - .ngpio = S3C64XX_GPIO_P_NR, - .label = "GPP", - }, - }, { - .config = &samsung_gpio_cfgs[6], - .chip = { - .base = S3C64XX_GPQ(0), - .ngpio = S3C64XX_GPIO_Q_NR, - .label = "GPQ", - }, - }, { - .base = S3C64XX_GPN_BASE, - .irq_base = IRQ_EINT(0), - .config = &samsung_gpio_cfgs[5], - .chip = { - .base = S3C64XX_GPN(0), - .ngpio = S3C64XX_GPIO_N_NR, - .label = "GPN", - .to_irq = samsung_gpiolib_to_irq, - }, - }, -#endif -}; - -/* TODO: cleanup soc_is_* */ -static __init int samsung_gpiolib_init(void) -{ - /* - * Currently there are two drivers that can provide GPIO support for - * Samsung SoCs. For device tree enabled platforms, the new - * pinctrl-samsung driver is used, providing both GPIO and pin control - * interfaces. For legacy (non-DT) platforms this driver is used. - */ - if (of_have_populated_dt()) - return -ENODEV; - - samsung_gpiolib_set_cfg(samsung_gpio_cfgs, ARRAY_SIZE(samsung_gpio_cfgs)); - - if (soc_is_s3c24xx()) { - s3c24xx_gpiolib_add_chips(s3c24xx_gpios, - ARRAY_SIZE(s3c24xx_gpios), S3C24XX_VA_GPIO); - } else if (soc_is_s3c64xx()) { - samsung_gpiolib_add_2bit_chips(s3c64xx_gpios_2bit, - ARRAY_SIZE(s3c64xx_gpios_2bit), - S3C64XX_VA_GPIO + 0xE0, 0x20); - samsung_gpiolib_add_4bit_chips(s3c64xx_gpios_4bit, - ARRAY_SIZE(s3c64xx_gpios_4bit), - S3C64XX_VA_GPIO); - samsung_gpiolib_add_4bit2_chips(s3c64xx_gpios_4bit2, - ARRAY_SIZE(s3c64xx_gpios_4bit2)); - } else { - WARN(1, "Unknown SoC in gpio-samsung, no GPIOs added\n"); - return -ENODEV; - } - - return 0; -} -core_initcall(samsung_gpiolib_init); - -int s3c_gpio_cfgpin(unsigned int pin, unsigned int config) -{ - struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); - unsigned long flags; - int offset; - int ret; - - if (!chip) - return -EINVAL; - - offset = pin - chip->chip.base; - - samsung_gpio_lock(chip, flags); - ret = samsung_gpio_do_setcfg(chip, offset, config); - samsung_gpio_unlock(chip, flags); - - return ret; -} -EXPORT_SYMBOL(s3c_gpio_cfgpin); - -int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr, - unsigned int cfg) -{ - int ret; - - for (; nr > 0; nr--, start++) { - ret = s3c_gpio_cfgpin(start, cfg); - if (ret != 0) - return ret; - } - - return 0; -} -EXPORT_SYMBOL_GPL(s3c_gpio_cfgpin_range); - -int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr, - unsigned int cfg, samsung_gpio_pull_t pull) -{ - int ret; - - for (; nr > 0; nr--, start++) { - s3c_gpio_setpull(start, pull); - ret = s3c_gpio_cfgpin(start, cfg); - if (ret != 0) - return ret; - } - - return 0; -} -EXPORT_SYMBOL_GPL(s3c_gpio_cfgall_range); - -unsigned s3c_gpio_getcfg(unsigned int pin) -{ - struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); - unsigned long flags; - unsigned ret = 0; - int offset; - - if (chip) { - offset = pin - chip->chip.base; - - samsung_gpio_lock(chip, flags); - ret = samsung_gpio_do_getcfg(chip, offset); - samsung_gpio_unlock(chip, flags); - } - - return ret; -} -EXPORT_SYMBOL(s3c_gpio_getcfg); - -int s3c_gpio_setpull(unsigned int pin, samsung_gpio_pull_t pull) -{ - struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); - unsigned long flags; - int offset, ret; - - if (!chip) - return -EINVAL; - - offset = pin - chip->chip.base; - - samsung_gpio_lock(chip, flags); - ret = samsung_gpio_do_setpull(chip, offset, pull); - samsung_gpio_unlock(chip, flags); - - return ret; -} -EXPORT_SYMBOL(s3c_gpio_setpull); - -samsung_gpio_pull_t s3c_gpio_getpull(unsigned int pin) -{ - struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); - unsigned long flags; - int offset; - u32 pup = 0; - - if (chip) { - offset = pin - chip->chip.base; - - samsung_gpio_lock(chip, flags); - pup = samsung_gpio_do_getpull(chip, offset); - samsung_gpio_unlock(chip, flags); - } - - return (__force samsung_gpio_pull_t)pup; -} -EXPORT_SYMBOL(s3c_gpio_getpull); - -#ifdef CONFIG_PLAT_S3C24XX -unsigned int s3c2410_modify_misccr(unsigned int clear, unsigned int change) -{ - unsigned long flags; - unsigned long misccr; - - local_irq_save(flags); - misccr = __raw_readl(S3C24XX_MISCCR); - misccr &= ~clear; - misccr ^= change; - __raw_writel(misccr, S3C24XX_MISCCR); - local_irq_restore(flags); - - return misccr; -} -EXPORT_SYMBOL(s3c2410_modify_misccr); -#endif diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c index b72906f5b999..5314ee4b947d 100644 --- a/drivers/gpio/gpio-sch.c +++ b/drivers/gpio/gpio-sch.c @@ -41,8 +41,6 @@ struct sch_gpio { unsigned short resume_base; }; -#define to_sch_gpio(gc) container_of(gc, struct sch_gpio, chip) - static unsigned sch_gpio_offset(struct sch_gpio *sch, unsigned gpio, unsigned reg) { @@ -65,7 +63,7 @@ static unsigned sch_gpio_bit(struct sch_gpio *sch, unsigned gpio) static int sch_gpio_reg_get(struct gpio_chip *gc, unsigned gpio, unsigned reg) { - struct sch_gpio *sch = to_sch_gpio(gc); + struct sch_gpio *sch = gpiochip_get_data(gc); unsigned short offset, bit; u8 reg_val; @@ -80,7 +78,7 @@ static int sch_gpio_reg_get(struct gpio_chip *gc, unsigned gpio, unsigned reg) static void sch_gpio_reg_set(struct gpio_chip *gc, unsigned gpio, unsigned reg, int val) { - struct sch_gpio *sch = to_sch_gpio(gc); + struct sch_gpio *sch = gpiochip_get_data(gc); unsigned short offset, bit; u8 reg_val; @@ -97,7 +95,7 @@ static void sch_gpio_reg_set(struct gpio_chip *gc, unsigned gpio, unsigned reg, static int sch_gpio_direction_in(struct gpio_chip *gc, unsigned gpio_num) { - struct sch_gpio *sch = to_sch_gpio(gc); + struct sch_gpio *sch = gpiochip_get_data(gc); spin_lock(&sch->lock); sch_gpio_reg_set(gc, gpio_num, GIO, 1); @@ -112,7 +110,7 @@ static int sch_gpio_get(struct gpio_chip *gc, unsigned gpio_num) static void sch_gpio_set(struct gpio_chip *gc, unsigned gpio_num, int val) { - struct sch_gpio *sch = to_sch_gpio(gc); + struct sch_gpio *sch = gpiochip_get_data(gc); spin_lock(&sch->lock); sch_gpio_reg_set(gc, gpio_num, GLV, val); @@ -122,7 +120,7 @@ static void sch_gpio_set(struct gpio_chip *gc, unsigned gpio_num, int val) static int sch_gpio_direction_out(struct gpio_chip *gc, unsigned gpio_num, int val) { - struct sch_gpio *sch = to_sch_gpio(gc); + struct sch_gpio *sch = gpiochip_get_data(gc); spin_lock(&sch->lock); sch_gpio_reg_set(gc, gpio_num, GIO, 0); @@ -171,7 +169,7 @@ static int sch_gpio_probe(struct platform_device *pdev) sch->iobase = res->start; sch->chip = sch_gpio_chip; sch->chip.label = dev_name(&pdev->dev); - sch->chip.dev = &pdev->dev; + sch->chip.parent = &pdev->dev; switch (pdev->id) { case PCI_DEVICE_ID_INTEL_SCH_LPC: @@ -217,7 +215,7 @@ static int sch_gpio_probe(struct platform_device *pdev) platform_set_drvdata(pdev, sch); - return gpiochip_add(&sch->chip); + return gpiochip_add_data(&sch->chip, sch); } static int sch_gpio_remove(struct platform_device *pdev) diff --git a/drivers/gpio/gpio-sch311x.c b/drivers/gpio/gpio-sch311x.c index 0cb11413e814..1cbd77a04e7b 100644 --- a/drivers/gpio/gpio-sch311x.c +++ b/drivers/gpio/gpio-sch311x.c @@ -93,13 +93,6 @@ static struct sch311x_gpio_block_def sch311x_gpio_blocks[] = { }, }; -static inline struct sch311x_gpio_block * -to_sch311x_gpio_block(struct gpio_chip *chip) -{ - return container_of(chip, struct sch311x_gpio_block, chip); -} - - /* * Super-IO functions */ @@ -142,14 +135,14 @@ static inline void sch311x_sio_outb(int sio_config_port, int reg, int val) static int sch311x_gpio_request(struct gpio_chip *chip, unsigned offset) { - struct sch311x_gpio_block *block = to_sch311x_gpio_block(chip); + struct sch311x_gpio_block *block = gpiochip_get_data(chip); if (block->config_regs[offset] == 0) /* GPIO is not available */ return -ENODEV; if (!request_region(block->runtime_reg + block->config_regs[offset], 1, DRV_NAME)) { - dev_err(chip->dev, "Failed to request region 0x%04x.\n", + dev_err(chip->parent, "Failed to request region 0x%04x.\n", block->runtime_reg + block->config_regs[offset]); return -EBUSY; } @@ -158,7 +151,7 @@ static int sch311x_gpio_request(struct gpio_chip *chip, unsigned offset) static void sch311x_gpio_free(struct gpio_chip *chip, unsigned offset) { - struct sch311x_gpio_block *block = to_sch311x_gpio_block(chip); + struct sch311x_gpio_block *block = gpiochip_get_data(chip); if (block->config_regs[offset] == 0) /* GPIO is not available */ return; @@ -168,7 +161,7 @@ static void sch311x_gpio_free(struct gpio_chip *chip, unsigned offset) static int sch311x_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct sch311x_gpio_block *block = to_sch311x_gpio_block(chip); + struct sch311x_gpio_block *block = gpiochip_get_data(chip); unsigned char data; spin_lock(&block->lock); @@ -192,7 +185,7 @@ static void __sch311x_gpio_set(struct sch311x_gpio_block *block, static void sch311x_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct sch311x_gpio_block *block = to_sch311x_gpio_block(chip); + struct sch311x_gpio_block *block = gpiochip_get_data(chip); spin_lock(&block->lock); __sch311x_gpio_set(block, offset, value); @@ -201,7 +194,7 @@ static void sch311x_gpio_set(struct gpio_chip *chip, unsigned offset, static int sch311x_gpio_direction_in(struct gpio_chip *chip, unsigned offset) { - struct sch311x_gpio_block *block = to_sch311x_gpio_block(chip); + struct sch311x_gpio_block *block = gpiochip_get_data(chip); spin_lock(&block->lock); outb(SCH311X_GPIO_CONF_IN, block->runtime_reg + @@ -214,7 +207,7 @@ static int sch311x_gpio_direction_in(struct gpio_chip *chip, unsigned offset) static int sch311x_gpio_direction_out(struct gpio_chip *chip, unsigned offset, int value) { - struct sch311x_gpio_block *block = to_sch311x_gpio_block(chip); + struct sch311x_gpio_block *block = gpiochip_get_data(chip); spin_lock(&block->lock); @@ -229,7 +222,7 @@ static int sch311x_gpio_direction_out(struct gpio_chip *chip, unsigned offset, static int sch311x_gpio_probe(struct platform_device *pdev) { - struct sch311x_pdev_data *pdata = pdev->dev.platform_data; + struct sch311x_pdev_data *pdata = dev_get_platdata(&pdev->dev); struct sch311x_gpio_priv *priv; struct sch311x_gpio_block *block; int err, i; @@ -261,13 +254,13 @@ static int sch311x_gpio_probe(struct platform_device *pdev) block->chip.get = sch311x_gpio_get; block->chip.set = sch311x_gpio_set; block->chip.ngpio = 8; - block->chip.dev = &pdev->dev; + block->chip.parent = &pdev->dev; block->chip.base = sch311x_gpio_blocks[i].base; block->config_regs = sch311x_gpio_blocks[i].config_regs; block->data_reg = sch311x_gpio_blocks[i].data_reg; block->runtime_reg = pdata->runtime_reg; - err = gpiochip_add(&block->chip); + err = gpiochip_add_data(&block->chip, block); if (err < 0) { dev_err(&pdev->dev, "Could not register gpiochip, %d\n", err); @@ -289,7 +282,7 @@ exit_err: static int sch311x_gpio_remove(struct platform_device *pdev) { - struct sch311x_pdev_data *pdata = pdev->dev.platform_data; + struct sch311x_pdev_data *pdata = dev_get_platdata(&pdev->dev); struct sch311x_gpio_priv *priv = platform_get_drvdata(pdev); int i; diff --git a/drivers/gpio/gpio-sodaville.c b/drivers/gpio/gpio-sodaville.c index 34b02b42ab9e..e3cb6772f6ec 100644 --- a/drivers/gpio/gpio-sodaville.c +++ b/drivers/gpio/gpio-sodaville.c @@ -10,7 +10,6 @@ */ #include <linux/errno.h> -#include <linux/gpio.h> #include <linux/init.h> #include <linux/io.h> #include <linux/irq.h> @@ -20,7 +19,7 @@ #include <linux/pci.h> #include <linux/platform_device.h> #include <linux/of_irq.h> -#include <linux/basic_mmio_gpio.h> +#include <linux/gpio/driver.h> #define DRV_NAME "sdv_gpio" #define SDV_NUM_PUB_GPIOS 12 @@ -43,7 +42,7 @@ struct sdv_gpio_chip_data { void __iomem *gpio_pub_base; struct irq_domain *id; struct irq_chip_generic *gc; - struct bgpio_chip bgpio; + struct gpio_chip chip; }; static int sdv_gpio_pub_set_type(struct irq_data *d, unsigned int type) @@ -226,14 +225,14 @@ static int sdv_gpio_probe(struct pci_dev *pdev, writel(mux_val, sd->gpio_pub_base + GPMUXCTL); } - ret = bgpio_init(&sd->bgpio, &pdev->dev, 4, + ret = bgpio_init(&sd->chip, &pdev->dev, 4, sd->gpio_pub_base + GPINR, sd->gpio_pub_base + GPOUTR, NULL, sd->gpio_pub_base + GPOER, NULL, 0); if (ret) goto unmap; - sd->bgpio.gc.ngpio = SDV_NUM_PUB_GPIOS; + sd->chip.ngpio = SDV_NUM_PUB_GPIOS; - ret = gpiochip_add(&sd->bgpio.gc); + ret = gpiochip_add_data(&sd->chip, sd); if (ret < 0) { dev_err(&pdev->dev, "gpiochip_add() failed.\n"); goto unmap; @@ -265,7 +264,7 @@ static void sdv_gpio_remove(struct pci_dev *pdev) free_irq(pdev->irq, sd); irq_free_descs(sd->irq_base, SDV_NUM_PUB_GPIOS); - gpiochip_remove(&sd->bgpio.gc); + gpiochip_remove(&sd->chip); pci_release_region(pdev, GPIO_BAR); iounmap(sd->gpio_pub_base); pci_disable_device(pdev); diff --git a/drivers/gpio/gpio-spear-spics.c b/drivers/gpio/gpio-spear-spics.c index 69ffca5b073b..50fb09080a6b 100644 --- a/drivers/gpio/gpio-spear-spics.c +++ b/drivers/gpio/gpio-spear-spics.c @@ -62,8 +62,7 @@ static int spics_get_value(struct gpio_chip *chip, unsigned offset) static void spics_set_value(struct gpio_chip *chip, unsigned offset, int value) { - struct spear_spics *spics = container_of(chip, struct spear_spics, - chip); + struct spear_spics *spics = gpiochip_get_data(chip); u32 tmp; /* select chip select from register */ @@ -94,8 +93,7 @@ static int spics_direction_output(struct gpio_chip *chip, unsigned offset, static int spics_request(struct gpio_chip *chip, unsigned offset) { - struct spear_spics *spics = container_of(chip, struct spear_spics, - chip); + struct spear_spics *spics = gpiochip_get_data(chip); u32 tmp; if (!spics->use_count++) { @@ -110,8 +108,7 @@ static int spics_request(struct gpio_chip *chip, unsigned offset) static void spics_free(struct gpio_chip *chip, unsigned offset) { - struct spear_spics *spics = container_of(chip, struct spear_spics, - chip); + struct spear_spics *spics = gpiochip_get_data(chip); u32 tmp; if (!--spics->use_count) { @@ -164,11 +161,11 @@ static int spics_gpio_probe(struct platform_device *pdev) spics->chip.get = spics_get_value; spics->chip.set = spics_set_value; spics->chip.label = dev_name(&pdev->dev); - spics->chip.dev = &pdev->dev; + spics->chip.parent = &pdev->dev; spics->chip.owner = THIS_MODULE; spics->last_off = -1; - ret = gpiochip_add(&spics->chip); + ret = gpiochip_add_data(&spics->chip, spics); if (ret) { dev_err(&pdev->dev, "unable to add gpio chip\n"); return ret; diff --git a/drivers/gpio/gpio-sta2x11.c b/drivers/gpio/gpio-sta2x11.c index 55e47828ddfc..83af1cb36333 100644 --- a/drivers/gpio/gpio-sta2x11.c +++ b/drivers/gpio/gpio-sta2x11.c @@ -74,7 +74,7 @@ static inline u32 __bit(int nr) static void gsta_gpio_set(struct gpio_chip *gpio, unsigned nr, int val) { - struct gsta_gpio *chip = container_of(gpio, struct gsta_gpio, gpio); + struct gsta_gpio *chip = gpiochip_get_data(gpio); struct gsta_regs __iomem *regs = __regs(chip, nr); u32 bit = __bit(nr); @@ -86,17 +86,17 @@ static void gsta_gpio_set(struct gpio_chip *gpio, unsigned nr, int val) static int gsta_gpio_get(struct gpio_chip *gpio, unsigned nr) { - struct gsta_gpio *chip = container_of(gpio, struct gsta_gpio, gpio); + struct gsta_gpio *chip = gpiochip_get_data(gpio); struct gsta_regs __iomem *regs = __regs(chip, nr); u32 bit = __bit(nr); - return readl(®s->dat) & bit; + return !!(readl(®s->dat) & bit); } static int gsta_gpio_direction_output(struct gpio_chip *gpio, unsigned nr, int val) { - struct gsta_gpio *chip = container_of(gpio, struct gsta_gpio, gpio); + struct gsta_gpio *chip = gpiochip_get_data(gpio); struct gsta_regs __iomem *regs = __regs(chip, nr); u32 bit = __bit(nr); @@ -111,7 +111,7 @@ static int gsta_gpio_direction_output(struct gpio_chip *gpio, unsigned nr, static int gsta_gpio_direction_input(struct gpio_chip *gpio, unsigned nr) { - struct gsta_gpio *chip = container_of(gpio, struct gsta_gpio, gpio); + struct gsta_gpio *chip = gpiochip_get_data(gpio); struct gsta_regs __iomem *regs = __regs(chip, nr); u32 bit = __bit(nr); @@ -121,7 +121,7 @@ static int gsta_gpio_direction_input(struct gpio_chip *gpio, unsigned nr) static int gsta_gpio_to_irq(struct gpio_chip *gpio, unsigned offset) { - struct gsta_gpio *chip = container_of(gpio, struct gsta_gpio, gpio); + struct gsta_gpio *chip = gpiochip_get_data(gpio); return chip->irq_base + offset; } @@ -409,7 +409,7 @@ static int gsta_probe(struct platform_device *dev) goto err_free_descs; } - err = gpiochip_add(&chip->gpio); + err = gpiochip_add_data(&chip->gpio, chip); if (err < 0) { dev_err(&dev->dev, "sta2x11 gpio: Can't register (%i)\n", -err); diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c index dabfb99dddef..5197edf1acfd 100644 --- a/drivers/gpio/gpio-stmpe.c +++ b/drivers/gpio/gpio-stmpe.c @@ -36,14 +36,9 @@ struct stmpe_gpio { u8 oldregs[CACHE_NR_REGS][CACHE_NR_BANKS]; }; -static inline struct stmpe_gpio *to_stmpe_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct stmpe_gpio, chip); -} - static int stmpe_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct stmpe_gpio *stmpe_gpio = to_stmpe_gpio(chip); + struct stmpe_gpio *stmpe_gpio = gpiochip_get_data(chip); struct stmpe *stmpe = stmpe_gpio->stmpe; u8 reg = stmpe->regs[STMPE_IDX_GPMR_LSB] - (offset / 8); u8 mask = 1 << (offset % 8); @@ -58,7 +53,7 @@ static int stmpe_gpio_get(struct gpio_chip *chip, unsigned offset) static void stmpe_gpio_set(struct gpio_chip *chip, unsigned offset, int val) { - struct stmpe_gpio *stmpe_gpio = to_stmpe_gpio(chip); + struct stmpe_gpio *stmpe_gpio = gpiochip_get_data(chip); struct stmpe *stmpe = stmpe_gpio->stmpe; int which = val ? STMPE_IDX_GPSR_LSB : STMPE_IDX_GPCR_LSB; u8 reg = stmpe->regs[which] - (offset / 8); @@ -77,7 +72,7 @@ static void stmpe_gpio_set(struct gpio_chip *chip, unsigned offset, int val) static int stmpe_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int val) { - struct stmpe_gpio *stmpe_gpio = to_stmpe_gpio(chip); + struct stmpe_gpio *stmpe_gpio = gpiochip_get_data(chip); struct stmpe *stmpe = stmpe_gpio->stmpe; u8 reg = stmpe->regs[STMPE_IDX_GPDR_LSB] - (offset / 8); u8 mask = 1 << (offset % 8); @@ -90,7 +85,7 @@ static int stmpe_gpio_direction_output(struct gpio_chip *chip, static int stmpe_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - struct stmpe_gpio *stmpe_gpio = to_stmpe_gpio(chip); + struct stmpe_gpio *stmpe_gpio = gpiochip_get_data(chip); struct stmpe *stmpe = stmpe_gpio->stmpe; u8 reg = stmpe->regs[STMPE_IDX_GPDR_LSB] - (offset / 8); u8 mask = 1 << (offset % 8); @@ -100,7 +95,7 @@ static int stmpe_gpio_direction_input(struct gpio_chip *chip, static int stmpe_gpio_request(struct gpio_chip *chip, unsigned offset) { - struct stmpe_gpio *stmpe_gpio = to_stmpe_gpio(chip); + struct stmpe_gpio *stmpe_gpio = gpiochip_get_data(chip); struct stmpe *stmpe = stmpe_gpio->stmpe; if (stmpe_gpio->norequest_mask & (1 << offset)) @@ -123,7 +118,7 @@ static struct gpio_chip template_chip = { static int stmpe_gpio_irq_set_type(struct irq_data *d, unsigned int type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct stmpe_gpio *stmpe_gpio = to_stmpe_gpio(gc); + struct stmpe_gpio *stmpe_gpio = gpiochip_get_data(gc); int offset = d->hwirq; int regoffset = offset / 8; int mask = 1 << (offset % 8); @@ -151,7 +146,7 @@ static int stmpe_gpio_irq_set_type(struct irq_data *d, unsigned int type) static void stmpe_gpio_irq_lock(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct stmpe_gpio *stmpe_gpio = to_stmpe_gpio(gc); + struct stmpe_gpio *stmpe_gpio = gpiochip_get_data(gc); mutex_lock(&stmpe_gpio->irq_lock); } @@ -159,7 +154,7 @@ static void stmpe_gpio_irq_lock(struct irq_data *d) static void stmpe_gpio_irq_sync_unlock(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct stmpe_gpio *stmpe_gpio = to_stmpe_gpio(gc); + struct stmpe_gpio *stmpe_gpio = gpiochip_get_data(gc); struct stmpe *stmpe = stmpe_gpio->stmpe; int num_banks = DIV_ROUND_UP(stmpe->num_gpios, 8); static const u8 regmap[] = { @@ -193,7 +188,7 @@ static void stmpe_gpio_irq_sync_unlock(struct irq_data *d) static void stmpe_gpio_irq_mask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct stmpe_gpio *stmpe_gpio = to_stmpe_gpio(gc); + struct stmpe_gpio *stmpe_gpio = gpiochip_get_data(gc); int offset = d->hwirq; int regoffset = offset / 8; int mask = 1 << (offset % 8); @@ -204,7 +199,7 @@ static void stmpe_gpio_irq_mask(struct irq_data *d) static void stmpe_gpio_irq_unmask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct stmpe_gpio *stmpe_gpio = to_stmpe_gpio(gc); + struct stmpe_gpio *stmpe_gpio = gpiochip_get_data(gc); int offset = d->hwirq; int regoffset = offset / 8; int mask = 1 << (offset % 8); @@ -216,7 +211,7 @@ static void stmpe_dbg_show_one(struct seq_file *s, struct gpio_chip *gc, unsigned offset, unsigned gpio) { - struct stmpe_gpio *stmpe_gpio = to_stmpe_gpio(gc); + struct stmpe_gpio *stmpe_gpio = gpiochip_get_data(gc); struct stmpe *stmpe = stmpe_gpio->stmpe; const char *label = gpiochip_is_requested(gc, offset); int num_banks = DIV_ROUND_UP(stmpe->num_gpios, 8); @@ -356,7 +351,7 @@ static int stmpe_gpio_probe(struct platform_device *pdev) stmpe_gpio->stmpe = stmpe; stmpe_gpio->chip = template_chip; stmpe_gpio->chip.ngpio = stmpe->num_gpios; - stmpe_gpio->chip.dev = &pdev->dev; + stmpe_gpio->chip.parent = &pdev->dev; stmpe_gpio->chip.of_node = np; stmpe_gpio->chip.base = -1; @@ -375,7 +370,7 @@ static int stmpe_gpio_probe(struct platform_device *pdev) if (ret) goto out_free; - ret = gpiochip_add(&stmpe_gpio->chip); + ret = gpiochip_add_data(&stmpe_gpio->chip, stmpe_gpio); if (ret) { dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret); goto out_disable; diff --git a/drivers/gpio/gpio-stp-xway.c b/drivers/gpio/gpio-stp-xway.c index 81bdbe7ba2a4..d11dd48570b2 100644 --- a/drivers/gpio/gpio-stp-xway.c +++ b/drivers/gpio/gpio-stp-xway.c @@ -100,8 +100,7 @@ struct xway_stp { */ static void xway_stp_set(struct gpio_chip *gc, unsigned gpio, int val) { - struct xway_stp *chip = - container_of(gc, struct xway_stp, gc); + struct xway_stp *chip = gpiochip_get_data(gc); if (val) chip->shadow |= BIT(gpio); @@ -135,11 +134,10 @@ static int xway_stp_dir_out(struct gpio_chip *gc, unsigned gpio, int val) */ static int xway_stp_request(struct gpio_chip *gc, unsigned gpio) { - struct xway_stp *chip = - container_of(gc, struct xway_stp, gc); + struct xway_stp *chip = gpiochip_get_data(gc); if ((gpio < 8) && (chip->reserved & BIT(gpio))) { - dev_err(gc->dev, "GPIO %d is driven by hardware\n", gpio); + dev_err(gc->parent, "GPIO %d is driven by hardware\n", gpio); return -ENODEV; } @@ -214,7 +212,7 @@ static int xway_stp_probe(struct platform_device *pdev) if (IS_ERR(chip->virt)) return PTR_ERR(chip->virt); - chip->gc.dev = &pdev->dev; + chip->gc.parent = &pdev->dev; chip->gc.label = "stp-xway"; chip->gc.direction_output = xway_stp_dir_out; chip->gc.set = xway_stp_set; @@ -260,7 +258,7 @@ static int xway_stp_probe(struct platform_device *pdev) ret = xway_stp_hw_init(chip); if (!ret) - ret = gpiochip_add(&chip->gc); + ret = gpiochip_add_data(&chip->gc, chip); if (!ret) dev_info(&pdev->dev, "Init done\n"); diff --git a/drivers/gpio/gpio-sx150x.c b/drivers/gpio/gpio-sx150x.c index 76f920173a2f..e6cff1cabd0c 100644 --- a/drivers/gpio/gpio-sx150x.c +++ b/drivers/gpio/gpio-sx150x.c @@ -32,8 +32,19 @@ #define NO_UPDATE_PENDING -1 /* The chip models of sx150x */ -#define SX150X_456 0 -#define SX150X_789 1 +#define SX150X_123 0 +#define SX150X_456 1 +#define SX150X_789 2 + +struct sx150x_123_pri { + u8 reg_pld_mode; + u8 reg_pld_table0; + u8 reg_pld_table1; + u8 reg_pld_table2; + u8 reg_pld_table3; + u8 reg_pld_table4; + u8 reg_advance; +}; struct sx150x_456_pri { u8 reg_pld_mode; @@ -65,6 +76,7 @@ struct sx150x_device_data { u8 reg_sense; u8 ngpios; union { + struct sx150x_123_pri x123; struct sx150x_456_pri x456; struct sx150x_789_pri x789; } pri; @@ -142,12 +154,33 @@ static const struct sx150x_device_data sx150x_devices[] = { }, .ngpios = 16 }, + [3] = { /* sx1502q */ + .model = SX150X_123, + .reg_pullup = 0x02, + .reg_pulldn = 0x03, + .reg_dir = 0x01, + .reg_data = 0x00, + .reg_irq_mask = 0x05, + .reg_irq_src = 0x08, + .reg_sense = 0x07, + .pri.x123 = { + .reg_pld_mode = 0x10, + .reg_pld_table0 = 0x11, + .reg_pld_table1 = 0x12, + .reg_pld_table2 = 0x13, + .reg_pld_table3 = 0x14, + .reg_pld_table4 = 0x15, + .reg_advance = 0xad, + }, + .ngpios = 8, + }, }; static const struct i2c_device_id sx150x_id[] = { {"sx1508q", 0}, {"sx1509q", 1}, {"sx1506q", 2}, + {"sx1502q", 3}, {} }; MODULE_DEVICE_TABLE(i2c, sx150x_id); @@ -156,15 +189,11 @@ static const struct of_device_id sx150x_of_match[] = { { .compatible = "semtech,sx1508q" }, { .compatible = "semtech,sx1509q" }, { .compatible = "semtech,sx1506q" }, + { .compatible = "semtech,sx1502q" }, {}, }; MODULE_DEVICE_TABLE(of, sx150x_of_match); -struct sx150x_chip *to_sx150x(struct gpio_chip *gc) -{ - return container_of(gc, struct sx150x_chip, gpio_chip); -} - static s32 sx150x_i2c_write(struct i2c_client *client, u8 reg, u8 val) { s32 err = i2c_smbus_write_byte_data(client, reg, val); @@ -301,7 +330,7 @@ static int sx150x_io_output(struct sx150x_chip *chip, unsigned offset, int val) static int sx150x_gpio_get(struct gpio_chip *gc, unsigned offset) { - struct sx150x_chip *chip = to_sx150x(gc); + struct sx150x_chip *chip = gpiochip_get_data(gc); int status = -EINVAL; if (!offset_is_oscio(chip, offset)) { @@ -310,12 +339,12 @@ static int sx150x_gpio_get(struct gpio_chip *gc, unsigned offset) mutex_unlock(&chip->lock); } - return status; + return (status < 0) ? status : !!status; } static void sx150x_gpio_set(struct gpio_chip *gc, unsigned offset, int val) { - struct sx150x_chip *chip = to_sx150x(gc); + struct sx150x_chip *chip = gpiochip_get_data(gc); mutex_lock(&chip->lock); if (offset_is_oscio(chip, offset)) @@ -327,7 +356,7 @@ static void sx150x_gpio_set(struct gpio_chip *gc, unsigned offset, int val) static int sx150x_gpio_direction_input(struct gpio_chip *gc, unsigned offset) { - struct sx150x_chip *chip = to_sx150x(gc); + struct sx150x_chip *chip = gpiochip_get_data(gc); int status = -EINVAL; if (!offset_is_oscio(chip, offset)) { @@ -342,7 +371,7 @@ static int sx150x_gpio_direction_output(struct gpio_chip *gc, unsigned offset, int val) { - struct sx150x_chip *chip = to_sx150x(gc); + struct sx150x_chip *chip = gpiochip_get_data(gc); int status = 0; if (!offset_is_oscio(chip, offset)) { @@ -355,7 +384,7 @@ static int sx150x_gpio_direction_output(struct gpio_chip *gc, static void sx150x_irq_mask(struct irq_data *d) { - struct sx150x_chip *chip = to_sx150x(irq_data_get_irq_chip_data(d)); + struct sx150x_chip *chip = gpiochip_get_data(irq_data_get_irq_chip_data(d)); unsigned n = d->hwirq; chip->irq_masked |= (1 << n); @@ -364,7 +393,7 @@ static void sx150x_irq_mask(struct irq_data *d) static void sx150x_irq_unmask(struct irq_data *d) { - struct sx150x_chip *chip = to_sx150x(irq_data_get_irq_chip_data(d)); + struct sx150x_chip *chip = gpiochip_get_data(irq_data_get_irq_chip_data(d)); unsigned n = d->hwirq; chip->irq_masked &= ~(1 << n); @@ -373,7 +402,7 @@ static void sx150x_irq_unmask(struct irq_data *d) static int sx150x_irq_set_type(struct irq_data *d, unsigned int flow_type) { - struct sx150x_chip *chip = to_sx150x(irq_data_get_irq_chip_data(d)); + struct sx150x_chip *chip = gpiochip_get_data(irq_data_get_irq_chip_data(d)); unsigned n, val = 0; if (flow_type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) @@ -428,14 +457,14 @@ static irqreturn_t sx150x_irq_thread_fn(int irq, void *dev_id) static void sx150x_irq_bus_lock(struct irq_data *d) { - struct sx150x_chip *chip = to_sx150x(irq_data_get_irq_chip_data(d)); + struct sx150x_chip *chip = gpiochip_get_data(irq_data_get_irq_chip_data(d)); mutex_lock(&chip->lock); } static void sx150x_irq_bus_sync_unlock(struct irq_data *d) { - struct sx150x_chip *chip = to_sx150x(irq_data_get_irq_chip_data(d)); + struct sx150x_chip *chip = gpiochip_get_data(irq_data_get_irq_chip_data(d)); unsigned n; if (chip->irq_update == NO_UPDATE_PENDING) @@ -473,7 +502,7 @@ static void sx150x_init_chip(struct sx150x_chip *chip, chip->client = client; chip->dev_cfg = &sx150x_devices[driver_data]; - chip->gpio_chip.dev = &client->dev; + chip->gpio_chip.parent = &client->dev; chip->gpio_chip.label = client->name; chip->gpio_chip.direction_input = sx150x_gpio_direction_input; chip->gpio_chip.direction_output = sx150x_gpio_direction_output; @@ -545,10 +574,14 @@ static int sx150x_init_hw(struct sx150x_chip *chip, err = sx150x_i2c_write(chip->client, chip->dev_cfg->pri.x789.reg_misc, 0x01); - else + else if (chip->dev_cfg->model == SX150X_456) err = sx150x_i2c_write(chip->client, chip->dev_cfg->pri.x456.reg_advance, 0x04); + else + err = sx150x_i2c_write(chip->client, + chip->dev_cfg->pri.x123.reg_advance, + 0x00); if (err < 0) return err; @@ -574,13 +607,20 @@ static int sx150x_init_hw(struct sx150x_chip *chip, pdata->io_polarity); if (err < 0) return err; - } else { + } else if (chip->dev_cfg->model == SX150X_456) { /* Set all pins to work in normal mode */ err = sx150x_init_io(chip, chip->dev_cfg->pri.x456.reg_pld_mode, 0); if (err < 0) return err; + } else { + /* Set all pins to work in normal mode */ + err = sx150x_init_io(chip, + chip->dev_cfg->pri.x123.reg_pld_mode, + 0); + if (err < 0) + return err; } @@ -647,7 +687,7 @@ static int sx150x_probe(struct i2c_client *client, if (rc < 0) return rc; - rc = gpiochip_add(&chip->gpio_chip); + rc = gpiochip_add_data(&chip->gpio_chip, chip); if (rc) return rc; @@ -680,7 +720,6 @@ static int sx150x_remove(struct i2c_client *client) static struct i2c_driver sx150x_driver = { .driver = { .name = "sx150x", - .owner = THIS_MODULE, .of_match_table = of_match_ptr(sx150x_of_match), }, .probe = sx150x_probe, diff --git a/drivers/gpio/gpio-syscon.c b/drivers/gpio/gpio-syscon.c index 7b25fdf64802..e5c5b6205886 100644 --- a/drivers/gpio/gpio-syscon.c +++ b/drivers/gpio/gpio-syscon.c @@ -59,14 +59,9 @@ struct syscon_gpio_priv { u32 dir_reg_offset; }; -static inline struct syscon_gpio_priv *to_syscon_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct syscon_gpio_priv, chip); -} - static int syscon_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct syscon_gpio_priv *priv = to_syscon_gpio(chip); + struct syscon_gpio_priv *priv = gpiochip_get_data(chip); unsigned int val, offs; int ret; @@ -82,7 +77,7 @@ static int syscon_gpio_get(struct gpio_chip *chip, unsigned offset) static void syscon_gpio_set(struct gpio_chip *chip, unsigned offset, int val) { - struct syscon_gpio_priv *priv = to_syscon_gpio(chip); + struct syscon_gpio_priv *priv = gpiochip_get_data(chip); unsigned int offs; offs = priv->dreg_offset + priv->data->dat_bit_offset + offset; @@ -95,7 +90,7 @@ static void syscon_gpio_set(struct gpio_chip *chip, unsigned offset, int val) static int syscon_gpio_dir_in(struct gpio_chip *chip, unsigned offset) { - struct syscon_gpio_priv *priv = to_syscon_gpio(chip); + struct syscon_gpio_priv *priv = gpiochip_get_data(chip); if (priv->data->flags & GPIO_SYSCON_FEAT_DIR) { unsigned int offs; @@ -113,7 +108,7 @@ static int syscon_gpio_dir_in(struct gpio_chip *chip, unsigned offset) static int syscon_gpio_dir_out(struct gpio_chip *chip, unsigned offset, int val) { - struct syscon_gpio_priv *priv = to_syscon_gpio(chip); + struct syscon_gpio_priv *priv = gpiochip_get_data(chip); if (priv->data->flags & GPIO_SYSCON_FEAT_DIR) { unsigned int offs; @@ -144,7 +139,7 @@ static const struct syscon_gpio_data clps711x_mctrl_gpio = { static void keystone_gpio_set(struct gpio_chip *chip, unsigned offset, int val) { - struct syscon_gpio_priv *priv = to_syscon_gpio(chip); + struct syscon_gpio_priv *priv = gpiochip_get_data(chip); unsigned int offs; int ret; @@ -159,7 +154,7 @@ static void keystone_gpio_set(struct gpio_chip *chip, unsigned offset, int val) BIT(offs % SYSCON_REG_BITS) | KEYSTONE_LOCK_BIT, BIT(offs % SYSCON_REG_BITS) | KEYSTONE_LOCK_BIT); if (ret < 0) - dev_err(chip->dev, "gpio write failed ret(%d)\n", ret); + dev_err(chip->parent, "gpio write failed ret(%d)\n", ret); } static const struct syscon_gpio_data keystone_dsp_gpio = { @@ -228,7 +223,7 @@ static int syscon_gpio_probe(struct platform_device *pdev) priv->dir_reg_offset <<= 3; } - priv->chip.dev = dev; + priv->chip.parent = dev; priv->chip.owner = THIS_MODULE; priv->chip.label = dev_name(dev); priv->chip.base = -1; @@ -243,7 +238,7 @@ static int syscon_gpio_probe(struct platform_device *pdev) platform_set_drvdata(pdev, priv); - return gpiochip_add(&priv->chip); + return gpiochip_add_data(&priv->chip, priv); } static int syscon_gpio_remove(struct platform_device *pdev) diff --git a/drivers/gpio/gpio-tb10x.c b/drivers/gpio/gpio-tb10x.c index 4356e6c20fc5..5eaec20ddbc7 100644 --- a/drivers/gpio/gpio-tb10x.c +++ b/drivers/gpio/gpio-tb10x.c @@ -87,14 +87,9 @@ static inline void tb10x_set_bits(struct tb10x_gpio *gpio, unsigned int offs, spin_unlock_irqrestore(&gpio->spinlock, flags); } -static inline struct tb10x_gpio *to_tb10x_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct tb10x_gpio, gc); -} - static int tb10x_gpio_direction_in(struct gpio_chip *chip, unsigned offset) { - struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip); + struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip); int mask = BIT(offset); int val = TB10X_GPIO_DIR_IN << offset; @@ -105,7 +100,7 @@ static int tb10x_gpio_direction_in(struct gpio_chip *chip, unsigned offset) static int tb10x_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip); + struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip); int val; val = tb10x_reg_read(tb10x_gpio, OFFSET_TO_REG_DATA); @@ -118,7 +113,7 @@ static int tb10x_gpio_get(struct gpio_chip *chip, unsigned offset) static void tb10x_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip); + struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip); int mask = BIT(offset); int val = value << offset; @@ -128,7 +123,7 @@ static void tb10x_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int tb10x_gpio_direction_out(struct gpio_chip *chip, unsigned offset, int value) { - struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip); + struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip); int mask = BIT(offset); int val = TB10X_GPIO_DIR_OUT << offset; @@ -140,7 +135,7 @@ static int tb10x_gpio_direction_out(struct gpio_chip *chip, static int tb10x_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { - struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip); + struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip); return irq_create_mapping(tb10x_gpio->domain, offset); } @@ -197,7 +192,7 @@ static int tb10x_gpio_probe(struct platform_device *pdev) return PTR_ERR(tb10x_gpio->base); tb10x_gpio->gc.label = of_node_full_name(dn); - tb10x_gpio->gc.dev = &pdev->dev; + tb10x_gpio->gc.parent = &pdev->dev; tb10x_gpio->gc.owner = THIS_MODULE; tb10x_gpio->gc.direction_input = tb10x_gpio_direction_in; tb10x_gpio->gc.get = tb10x_gpio_get; @@ -210,7 +205,7 @@ static int tb10x_gpio_probe(struct platform_device *pdev) tb10x_gpio->gc.can_sleep = false; - ret = gpiochip_add(&tb10x_gpio->gc); + ret = gpiochip_add_data(&tb10x_gpio->gc, tb10x_gpio); if (ret < 0) { dev_err(&pdev->dev, "Could not add gpiochip.\n"); goto fail_gpiochip_registration; diff --git a/drivers/gpio/gpio-tc3589x.c b/drivers/gpio/gpio-tc3589x.c index d1d585ddb9ab..05a27ec55add 100644 --- a/drivers/gpio/gpio-tc3589x.c +++ b/drivers/gpio/gpio-tc3589x.c @@ -34,14 +34,9 @@ struct tc3589x_gpio { u8 oldregs[CACHE_NR_REGS][CACHE_NR_BANKS]; }; -static inline struct tc3589x_gpio *to_tc3589x_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct tc3589x_gpio, chip); -} - static int tc3589x_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(chip); struct tc3589x *tc3589x = tc3589x_gpio->tc3589x; u8 reg = TC3589x_GPIODATA0 + (offset / 8) * 2; u8 mask = 1 << (offset % 8); @@ -51,12 +46,12 @@ static int tc3589x_gpio_get(struct gpio_chip *chip, unsigned offset) if (ret < 0) return ret; - return ret & mask; + return !!(ret & mask); } static void tc3589x_gpio_set(struct gpio_chip *chip, unsigned offset, int val) { - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(chip); struct tc3589x *tc3589x = tc3589x_gpio->tc3589x; u8 reg = TC3589x_GPIODATA0 + (offset / 8) * 2; unsigned pos = offset % 8; @@ -68,7 +63,7 @@ static void tc3589x_gpio_set(struct gpio_chip *chip, unsigned offset, int val) static int tc3589x_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int val) { - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(chip); struct tc3589x *tc3589x = tc3589x_gpio->tc3589x; u8 reg = TC3589x_GPIODIR0 + offset / 8; unsigned pos = offset % 8; @@ -81,7 +76,7 @@ static int tc3589x_gpio_direction_output(struct gpio_chip *chip, static int tc3589x_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(chip); struct tc3589x *tc3589x = tc3589x_gpio->tc3589x; u8 reg = TC3589x_GPIODIR0 + offset / 8; unsigned pos = offset % 8; @@ -102,7 +97,7 @@ static struct gpio_chip template_chip = { static int tc3589x_gpio_irq_set_type(struct irq_data *d, unsigned int type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(gc); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(gc); int offset = d->hwirq; int regoffset = offset / 8; int mask = 1 << (offset % 8); @@ -130,7 +125,7 @@ static int tc3589x_gpio_irq_set_type(struct irq_data *d, unsigned int type) static void tc3589x_gpio_irq_lock(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(gc); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(gc); mutex_lock(&tc3589x_gpio->irq_lock); } @@ -138,7 +133,7 @@ static void tc3589x_gpio_irq_lock(struct irq_data *d) static void tc3589x_gpio_irq_sync_unlock(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(gc); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(gc); struct tc3589x *tc3589x = tc3589x_gpio->tc3589x; static const u8 regmap[] = { [REG_IBE] = TC3589x_GPIOIBE0, @@ -167,7 +162,7 @@ static void tc3589x_gpio_irq_sync_unlock(struct irq_data *d) static void tc3589x_gpio_irq_mask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(gc); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(gc); int offset = d->hwirq; int regoffset = offset / 8; int mask = 1 << (offset % 8); @@ -178,7 +173,7 @@ static void tc3589x_gpio_irq_mask(struct irq_data *d) static void tc3589x_gpio_irq_unmask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(gc); + struct tc3589x_gpio *tc3589x_gpio = gpiochip_get_data(gc); int offset = d->hwirq; int regoffset = offset / 8; int mask = 1 << (offset % 8); @@ -258,7 +253,7 @@ static int tc3589x_gpio_probe(struct platform_device *pdev) tc3589x_gpio->chip = template_chip; tc3589x_gpio->chip.ngpio = tc3589x->num_gpio; - tc3589x_gpio->chip.dev = &pdev->dev; + tc3589x_gpio->chip.parent = &pdev->dev; tc3589x_gpio->chip.base = -1; tc3589x_gpio->chip.of_node = np; @@ -277,7 +272,7 @@ static int tc3589x_gpio_probe(struct platform_device *pdev) return ret; } - ret = gpiochip_add(&tc3589x_gpio->chip); + ret = gpiochip_add_data(&tc3589x_gpio->chip, tc3589x_gpio); if (ret) { dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret); return ret; diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 896bf29776b0..9a1a7e2ef388 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -545,7 +545,7 @@ static int tegra_gpio_probe(struct platform_device *pdev) tegra_gpio_chip.of_node = pdev->dev.of_node; - ret = gpiochip_add(&tegra_gpio_chip); + ret = gpiochip_add_data(&tegra_gpio_chip, NULL); if (ret < 0) { irq_domain_remove(irq_domain); return ret; diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c index 30653e6319e9..a6de10c5275b 100644 --- a/drivers/gpio/gpio-timberdale.c +++ b/drivers/gpio/gpio-timberdale.c @@ -53,7 +53,7 @@ struct timbgpio { static int timbgpio_update_bit(struct gpio_chip *gpio, unsigned index, unsigned offset, bool enabled) { - struct timbgpio *tgpio = container_of(gpio, struct timbgpio, gpio); + struct timbgpio *tgpio = gpiochip_get_data(gpio); u32 reg; spin_lock(&tgpio->lock); @@ -77,7 +77,7 @@ static int timbgpio_gpio_direction_input(struct gpio_chip *gpio, unsigned nr) static int timbgpio_gpio_get(struct gpio_chip *gpio, unsigned nr) { - struct timbgpio *tgpio = container_of(gpio, struct timbgpio, gpio); + struct timbgpio *tgpio = gpiochip_get_data(gpio); u32 value; value = ioread32(tgpio->membase + TGPIOVAL); @@ -98,7 +98,7 @@ static void timbgpio_gpio_set(struct gpio_chip *gpio, static int timbgpio_to_irq(struct gpio_chip *gpio, unsigned offset) { - struct timbgpio *tgpio = container_of(gpio, struct timbgpio, gpio); + struct timbgpio *tgpio = gpiochip_get_data(gpio); if (tgpio->irq_base <= 0) return -EINVAL; @@ -268,7 +268,7 @@ static int timbgpio_probe(struct platform_device *pdev) gc->label = dev_name(&pdev->dev); gc->owner = THIS_MODULE; - gc->dev = &pdev->dev; + gc->parent = &pdev->dev; gc->direction_input = timbgpio_gpio_direction_input; gc->get = timbgpio_gpio_get; gc->direction_output = timbgpio_gpio_direction_output; @@ -279,7 +279,7 @@ static int timbgpio_probe(struct platform_device *pdev) gc->ngpio = pdata->nr_pins; gc->can_sleep = false; - err = gpiochip_add(gc); + err = gpiochip_add_data(gc, tgpio); if (err) return err; diff --git a/drivers/gpio/gpio-tps6586x.c b/drivers/gpio/gpio-tps6586x.c index 9c9238e838a9..87de5486a29e 100644 --- a/drivers/gpio/gpio-tps6586x.c +++ b/drivers/gpio/gpio-tps6586x.c @@ -38,14 +38,9 @@ struct tps6586x_gpio { struct device *parent; }; -static inline struct tps6586x_gpio *to_tps6586x_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct tps6586x_gpio, gpio_chip); -} - static int tps6586x_gpio_get(struct gpio_chip *gc, unsigned offset) { - struct tps6586x_gpio *tps6586x_gpio = to_tps6586x_gpio(gc); + struct tps6586x_gpio *tps6586x_gpio = gpiochip_get_data(gc); uint8_t val; int ret; @@ -59,7 +54,7 @@ static int tps6586x_gpio_get(struct gpio_chip *gc, unsigned offset) static void tps6586x_gpio_set(struct gpio_chip *gc, unsigned offset, int value) { - struct tps6586x_gpio *tps6586x_gpio = to_tps6586x_gpio(gc); + struct tps6586x_gpio *tps6586x_gpio = gpiochip_get_data(gc); tps6586x_update(tps6586x_gpio->parent, TPS6586X_GPIOSET2, value << offset, 1 << offset); @@ -68,7 +63,7 @@ static void tps6586x_gpio_set(struct gpio_chip *gc, unsigned offset, static int tps6586x_gpio_output(struct gpio_chip *gc, unsigned offset, int value) { - struct tps6586x_gpio *tps6586x_gpio = to_tps6586x_gpio(gc); + struct tps6586x_gpio *tps6586x_gpio = gpiochip_get_data(gc); uint8_t val, mask; tps6586x_gpio_set(gc, offset, value); @@ -82,7 +77,7 @@ static int tps6586x_gpio_output(struct gpio_chip *gc, unsigned offset, static int tps6586x_gpio_to_irq(struct gpio_chip *gc, unsigned offset) { - struct tps6586x_gpio *tps6586x_gpio = to_tps6586x_gpio(gc); + struct tps6586x_gpio *tps6586x_gpio = gpiochip_get_data(gc); return tps6586x_irq_get_virq(tps6586x_gpio->parent, TPS6586X_INT_PLDO_0 + offset); @@ -104,7 +99,7 @@ static int tps6586x_gpio_probe(struct platform_device *pdev) tps6586x_gpio->gpio_chip.owner = THIS_MODULE; tps6586x_gpio->gpio_chip.label = pdev->name; - tps6586x_gpio->gpio_chip.dev = &pdev->dev; + tps6586x_gpio->gpio_chip.parent = &pdev->dev; tps6586x_gpio->gpio_chip.ngpio = 4; tps6586x_gpio->gpio_chip.can_sleep = true; @@ -122,7 +117,7 @@ static int tps6586x_gpio_probe(struct platform_device *pdev) else tps6586x_gpio->gpio_chip.base = -1; - ret = gpiochip_add(&tps6586x_gpio->gpio_chip); + ret = gpiochip_add_data(&tps6586x_gpio->gpio_chip, tps6586x_gpio); if (ret < 0) { dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret); return ret; diff --git a/drivers/gpio/gpio-tps65910.c b/drivers/gpio/gpio-tps65910.c index 88f1f5ff4e96..e81eee7627a3 100644 --- a/drivers/gpio/gpio-tps65910.c +++ b/drivers/gpio/gpio-tps65910.c @@ -27,14 +27,9 @@ struct tps65910_gpio { struct tps65910 *tps65910; }; -static inline struct tps65910_gpio *to_tps65910_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct tps65910_gpio, gpio_chip); -} - static int tps65910_gpio_get(struct gpio_chip *gc, unsigned offset) { - struct tps65910_gpio *tps65910_gpio = to_tps65910_gpio(gc); + struct tps65910_gpio *tps65910_gpio = gpiochip_get_data(gc); struct tps65910 *tps65910 = tps65910_gpio->tps65910; unsigned int val; @@ -49,7 +44,7 @@ static int tps65910_gpio_get(struct gpio_chip *gc, unsigned offset) static void tps65910_gpio_set(struct gpio_chip *gc, unsigned offset, int value) { - struct tps65910_gpio *tps65910_gpio = to_tps65910_gpio(gc); + struct tps65910_gpio *tps65910_gpio = gpiochip_get_data(gc); struct tps65910 *tps65910 = tps65910_gpio->tps65910; if (value) @@ -63,7 +58,7 @@ static void tps65910_gpio_set(struct gpio_chip *gc, unsigned offset, static int tps65910_gpio_output(struct gpio_chip *gc, unsigned offset, int value) { - struct tps65910_gpio *tps65910_gpio = to_tps65910_gpio(gc); + struct tps65910_gpio *tps65910_gpio = gpiochip_get_data(gc); struct tps65910 *tps65910 = tps65910_gpio->tps65910; /* Set the initial value */ @@ -75,7 +70,7 @@ static int tps65910_gpio_output(struct gpio_chip *gc, unsigned offset, static int tps65910_gpio_input(struct gpio_chip *gc, unsigned offset) { - struct tps65910_gpio *tps65910_gpio = to_tps65910_gpio(gc); + struct tps65910_gpio *tps65910_gpio = gpiochip_get_data(gc); struct tps65910 *tps65910 = tps65910_gpio->tps65910; return tps65910_reg_clear_bits(tps65910, TPS65910_GPIO0 + offset, @@ -146,7 +141,7 @@ static int tps65910_gpio_probe(struct platform_device *pdev) tps65910_gpio->gpio_chip.direction_output = tps65910_gpio_output; tps65910_gpio->gpio_chip.set = tps65910_gpio_set; tps65910_gpio->gpio_chip.get = tps65910_gpio_get; - tps65910_gpio->gpio_chip.dev = &pdev->dev; + tps65910_gpio->gpio_chip.parent = &pdev->dev; #ifdef CONFIG_OF_GPIO tps65910_gpio->gpio_chip.of_node = tps65910->dev->of_node; #endif @@ -175,7 +170,7 @@ static int tps65910_gpio_probe(struct platform_device *pdev) } skip_init: - ret = gpiochip_add(&tps65910_gpio->gpio_chip); + ret = gpiochip_add_data(&tps65910_gpio->gpio_chip, tps65910_gpio); if (ret < 0) { dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret); return ret; diff --git a/drivers/gpio/gpio-tps65912.c b/drivers/gpio/gpio-tps65912.c index 9cdbc0c9cb2d..4f2029c7da3a 100644 --- a/drivers/gpio/gpio-tps65912.c +++ b/drivers/gpio/gpio-tps65912.c @@ -26,11 +26,9 @@ struct tps65912_gpio_data { struct gpio_chip gpio_chip; }; -#define to_tgd(gc) container_of(gc, struct tps65912_gpio_data, gpio_chip) - static int tps65912_gpio_get(struct gpio_chip *gc, unsigned offset) { - struct tps65912_gpio_data *tps65912_gpio = to_tgd(gc); + struct tps65912_gpio_data *tps65912_gpio = gpiochip_get_data(gc); struct tps65912 *tps65912 = tps65912_gpio->tps65912; int val; @@ -45,7 +43,7 @@ static int tps65912_gpio_get(struct gpio_chip *gc, unsigned offset) static void tps65912_gpio_set(struct gpio_chip *gc, unsigned offset, int value) { - struct tps65912_gpio_data *tps65912_gpio = to_tgd(gc); + struct tps65912_gpio_data *tps65912_gpio = gpiochip_get_data(gc); struct tps65912 *tps65912 = tps65912_gpio->tps65912; if (value) @@ -59,7 +57,7 @@ static void tps65912_gpio_set(struct gpio_chip *gc, unsigned offset, static int tps65912_gpio_output(struct gpio_chip *gc, unsigned offset, int value) { - struct tps65912_gpio_data *tps65912_gpio = to_tgd(gc); + struct tps65912_gpio_data *tps65912_gpio = gpiochip_get_data(gc); struct tps65912 *tps65912 = tps65912_gpio->tps65912; /* Set the initial value */ @@ -71,7 +69,7 @@ static int tps65912_gpio_output(struct gpio_chip *gc, unsigned offset, static int tps65912_gpio_input(struct gpio_chip *gc, unsigned offset) { - struct tps65912_gpio_data *tps65912_gpio = to_tgd(gc); + struct tps65912_gpio_data *tps65912_gpio = gpiochip_get_data(gc); struct tps65912 *tps65912 = tps65912_gpio->tps65912; return tps65912_clear_bits(tps65912, TPS65912_GPIO1 + offset, @@ -104,11 +102,11 @@ static int tps65912_gpio_probe(struct platform_device *pdev) tps65912_gpio->tps65912 = tps65912; tps65912_gpio->gpio_chip = template_chip; - tps65912_gpio->gpio_chip.dev = &pdev->dev; + tps65912_gpio->gpio_chip.parent = &pdev->dev; if (pdata && pdata->gpio_base) tps65912_gpio->gpio_chip.base = pdata->gpio_base; - ret = gpiochip_add(&tps65912_gpio->gpio_chip); + ret = gpiochip_add_data(&tps65912_gpio->gpio_chip, tps65912_gpio); if (ret < 0) { dev_err(&pdev->dev, "Failed to register gpiochip, %d\n", ret); return ret; diff --git a/drivers/gpio/gpio-ts5500.c b/drivers/gpio/gpio-ts5500.c index b29a102d136b..5f945083f9d8 100644 --- a/drivers/gpio/gpio-ts5500.c +++ b/drivers/gpio/gpio-ts5500.c @@ -185,11 +185,6 @@ static const struct ts5500_dio ts5500_lcd[] = { TS5500_DIO_IN_IRQ(0x73, 7, 1), }; -static inline struct ts5500_priv *ts5500_gc_to_priv(struct gpio_chip *chip) -{ - return container_of(chip, struct ts5500_priv, gpio_chip); -} - static inline void ts5500_set_mask(u8 mask, u8 addr) { u8 val = inb(addr); @@ -206,7 +201,7 @@ static inline void ts5500_clear_mask(u8 mask, u8 addr) static int ts5500_gpio_input(struct gpio_chip *chip, unsigned offset) { - struct ts5500_priv *priv = ts5500_gc_to_priv(chip); + struct ts5500_priv *priv = gpiochip_get_data(chip); const struct ts5500_dio line = priv->pinout[offset]; unsigned long flags; @@ -225,7 +220,7 @@ static int ts5500_gpio_input(struct gpio_chip *chip, unsigned offset) static int ts5500_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct ts5500_priv *priv = ts5500_gc_to_priv(chip); + struct ts5500_priv *priv = gpiochip_get_data(chip); const struct ts5500_dio line = priv->pinout[offset]; return !!(inb(line.value_addr) & line.value_mask); @@ -233,7 +228,7 @@ static int ts5500_gpio_get(struct gpio_chip *chip, unsigned offset) static int ts5500_gpio_output(struct gpio_chip *chip, unsigned offset, int val) { - struct ts5500_priv *priv = ts5500_gc_to_priv(chip); + struct ts5500_priv *priv = gpiochip_get_data(chip); const struct ts5500_dio line = priv->pinout[offset]; unsigned long flags; @@ -255,7 +250,7 @@ static int ts5500_gpio_output(struct gpio_chip *chip, unsigned offset, int val) static void ts5500_gpio_set(struct gpio_chip *chip, unsigned offset, int val) { - struct ts5500_priv *priv = ts5500_gc_to_priv(chip); + struct ts5500_priv *priv = gpiochip_get_data(chip); const struct ts5500_dio line = priv->pinout[offset]; unsigned long flags; @@ -269,7 +264,7 @@ static void ts5500_gpio_set(struct gpio_chip *chip, unsigned offset, int val) static int ts5500_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { - struct ts5500_priv *priv = ts5500_gc_to_priv(chip); + struct ts5500_priv *priv = gpiochip_get_data(chip); const struct ts5500_dio *block = priv->pinout; const struct ts5500_dio line = block[offset]; @@ -315,7 +310,8 @@ static void ts5500_disable_irq(struct ts5500_priv *priv) else if (priv->hwirq == 1) ts5500_clear_mask(BIT(6), 0x7d); /* LCD_RS on IRQ1 */ else - dev_err(priv->gpio_chip.dev, "invalid hwirq %d\n", priv->hwirq); + dev_err(priv->gpio_chip.parent, "invalid hwirq %d\n", + priv->hwirq); spin_unlock_irqrestore(&priv->lock, flags); } @@ -346,7 +342,7 @@ static int ts5500_dio_probe(struct platform_device *pdev) priv->gpio_chip.owner = THIS_MODULE; priv->gpio_chip.label = name; - priv->gpio_chip.dev = dev; + priv->gpio_chip.parent = dev; priv->gpio_chip.direction_input = ts5500_gpio_input; priv->gpio_chip.direction_output = ts5500_gpio_output; priv->gpio_chip.get = ts5500_gpio_get; @@ -413,7 +409,7 @@ static int ts5500_dio_probe(struct platform_device *pdev) break; } - ret = gpiochip_add(&priv->gpio_chip); + ret = gpiochip_add_data(&priv->gpio_chip, priv); if (ret) { dev_err(dev, "failed to register the gpio chip\n"); return ret; diff --git a/drivers/gpio/gpio-twl4030.c b/drivers/gpio/gpio-twl4030.c index 9e1dbb9877c1..4b807b0e0c8e 100644 --- a/drivers/gpio/gpio-twl4030.c +++ b/drivers/gpio/gpio-twl4030.c @@ -76,11 +76,6 @@ struct gpio_twl4030_priv { /*----------------------------------------------------------------------*/ -static inline struct gpio_twl4030_priv *to_gpio_twl4030(struct gpio_chip *chip) -{ - return container_of(chip, struct gpio_twl4030_priv, gpio_chip); -} - /* * To configure TWL4030 GPIO module registers */ @@ -205,7 +200,7 @@ static int twl4030_get_gpio_datain(int gpio) static int twl_request(struct gpio_chip *chip, unsigned offset) { - struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip); + struct gpio_twl4030_priv *priv = gpiochip_get_data(chip); int status = 0; mutex_lock(&priv->mutex); @@ -256,7 +251,7 @@ static int twl_request(struct gpio_chip *chip, unsigned offset) /* optionally have the first two GPIOs switch vMMC1 * and vMMC2 power supplies based on card presence. */ - pdata = dev_get_platdata(chip->dev); + pdata = dev_get_platdata(chip->parent); if (pdata) value |= pdata->mmc_cd & 0x03; @@ -273,7 +268,7 @@ done: static void twl_free(struct gpio_chip *chip, unsigned offset) { - struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip); + struct gpio_twl4030_priv *priv = gpiochip_get_data(chip); mutex_lock(&priv->mutex); if (offset >= TWL4030_GPIO_MAX) { @@ -293,7 +288,7 @@ out: static int twl_direction_in(struct gpio_chip *chip, unsigned offset) { - struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip); + struct gpio_twl4030_priv *priv = gpiochip_get_data(chip); int ret; mutex_lock(&priv->mutex); @@ -312,7 +307,7 @@ static int twl_direction_in(struct gpio_chip *chip, unsigned offset) static int twl_get(struct gpio_chip *chip, unsigned offset) { - struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip); + struct gpio_twl4030_priv *priv = gpiochip_get_data(chip); int ret; int status = 0; @@ -327,7 +322,7 @@ static int twl_get(struct gpio_chip *chip, unsigned offset) else status = twl4030_get_gpio_datain(offset); - ret = (status <= 0) ? 0 : 1; + ret = (status < 0) ? status : !!status; out: mutex_unlock(&priv->mutex); return ret; @@ -335,7 +330,7 @@ out: static void twl_set(struct gpio_chip *chip, unsigned offset, int value) { - struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip); + struct gpio_twl4030_priv *priv = gpiochip_get_data(chip); mutex_lock(&priv->mutex); if (offset < TWL4030_GPIO_MAX) @@ -353,7 +348,7 @@ static void twl_set(struct gpio_chip *chip, unsigned offset, int value) static int twl_direction_out(struct gpio_chip *chip, unsigned offset, int value) { - struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip); + struct gpio_twl4030_priv *priv = gpiochip_get_data(chip); int ret = 0; mutex_lock(&priv->mutex); @@ -379,7 +374,7 @@ static int twl_direction_out(struct gpio_chip *chip, unsigned offset, int value) static int twl_to_irq(struct gpio_chip *chip, unsigned offset) { - struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip); + struct gpio_twl4030_priv *priv = gpiochip_get_data(chip); return (priv->irq_base && (offset < TWL4030_GPIO_MAX)) ? (priv->irq_base + offset) @@ -509,7 +504,7 @@ no_irqs: priv->gpio_chip = template_chip; priv->gpio_chip.base = -1; priv->gpio_chip.ngpio = TWL4030_GPIO_MAX; - priv->gpio_chip.dev = &pdev->dev; + priv->gpio_chip.parent = &pdev->dev; mutex_init(&priv->mutex); @@ -544,7 +539,7 @@ no_irqs: if (pdata->use_leds) priv->gpio_chip.ngpio += 2; - ret = gpiochip_add(&priv->gpio_chip); + ret = gpiochip_add_data(&priv->gpio_chip, priv); if (ret < 0) { dev_err(&pdev->dev, "could not register gpiochip, %d\n", ret); priv->gpio_chip.ngpio = 0; diff --git a/drivers/gpio/gpio-twl6040.c b/drivers/gpio/gpio-twl6040.c index c946e7eef3ee..8e9e9853f3bd 100644 --- a/drivers/gpio/gpio-twl6040.c +++ b/drivers/gpio/gpio-twl6040.c @@ -36,7 +36,7 @@ static struct gpio_chip twl6040gpo_chip; static int twl6040gpo_get(struct gpio_chip *chip, unsigned offset) { - struct twl6040 *twl6040 = dev_get_drvdata(chip->dev->parent); + struct twl6040 *twl6040 = dev_get_drvdata(chip->parent->parent); int ret = 0; ret = twl6040_reg_read(twl6040, TWL6040_REG_GPOCTL); @@ -55,7 +55,7 @@ static int twl6040gpo_direction_out(struct gpio_chip *chip, unsigned offset, static void twl6040gpo_set(struct gpio_chip *chip, unsigned offset, int value) { - struct twl6040 *twl6040 = dev_get_drvdata(chip->dev->parent); + struct twl6040 *twl6040 = dev_get_drvdata(chip->parent->parent); int ret; u8 gpoctl; @@ -95,12 +95,12 @@ static int gpo_twl6040_probe(struct platform_device *pdev) else twl6040gpo_chip.ngpio = 1; /* twl6041 have 1 GPO */ - twl6040gpo_chip.dev = &pdev->dev; + twl6040gpo_chip.parent = &pdev->dev; #ifdef CONFIG_OF_GPIO twl6040gpo_chip.of_node = twl6040_core_dev->of_node; #endif - ret = gpiochip_add(&twl6040gpo_chip); + ret = gpiochip_add_data(&twl6040gpo_chip, NULL); if (ret < 0) { dev_err(&pdev->dev, "could not register gpiochip, %d\n", ret); twl6040gpo_chip.ngpio = 0; diff --git a/drivers/gpio/gpio-tz1090-pdc.c b/drivers/gpio/gpio-tz1090-pdc.c index 3623d009d808..5b7781741ee9 100644 --- a/drivers/gpio/gpio-tz1090-pdc.c +++ b/drivers/gpio/gpio-tz1090-pdc.c @@ -49,7 +49,6 @@ struct tz1090_pdc_gpio { void __iomem *reg; int irq[GPIO_PDC_NIRQ]; }; -#define to_pdc(c) container_of(c, struct tz1090_pdc_gpio, chip) /* Register accesses into the PDC MMIO area */ @@ -70,7 +69,7 @@ static inline unsigned int pdc_read(struct tz1090_pdc_gpio *priv, static int tz1090_pdc_gpio_direction_input(struct gpio_chip *chip, unsigned int offset) { - struct tz1090_pdc_gpio *priv = to_pdc(chip); + struct tz1090_pdc_gpio *priv = gpiochip_get_data(chip); u32 value; int lstat; @@ -87,7 +86,7 @@ static int tz1090_pdc_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int output_value) { - struct tz1090_pdc_gpio *priv = to_pdc(chip); + struct tz1090_pdc_gpio *priv = gpiochip_get_data(chip); u32 value; int lstat; @@ -112,14 +111,14 @@ static int tz1090_pdc_gpio_direction_output(struct gpio_chip *chip, static int tz1090_pdc_gpio_get(struct gpio_chip *chip, unsigned int offset) { - struct tz1090_pdc_gpio *priv = to_pdc(chip); - return pdc_read(priv, REG_SOC_GPIO_STATUS) & BIT(offset); + struct tz1090_pdc_gpio *priv = gpiochip_get_data(chip); + return !!(pdc_read(priv, REG_SOC_GPIO_STATUS) & BIT(offset)); } static void tz1090_pdc_gpio_set(struct gpio_chip *chip, unsigned int offset, int output_value) { - struct tz1090_pdc_gpio *priv = to_pdc(chip); + struct tz1090_pdc_gpio *priv = gpiochip_get_data(chip); u32 value; int lstat; @@ -139,7 +138,7 @@ static void tz1090_pdc_gpio_set(struct gpio_chip *chip, unsigned int offset, static int tz1090_pdc_gpio_to_irq(struct gpio_chip *chip, unsigned int offset) { - struct tz1090_pdc_gpio *priv = to_pdc(chip); + struct tz1090_pdc_gpio *priv = gpiochip_get_data(chip); unsigned int syswake = offset - GPIO_PDC_IRQ_FIRST; int irq; @@ -188,7 +187,7 @@ static int tz1090_pdc_gpio_probe(struct platform_device *pdev) /* Set up GPIO chip */ priv->chip.label = "tz1090-pdc-gpio"; - priv->chip.dev = &pdev->dev; + priv->chip.parent = &pdev->dev; priv->chip.direction_input = tz1090_pdc_gpio_direction_input; priv->chip.direction_output = tz1090_pdc_gpio_direction_output; priv->chip.get = tz1090_pdc_gpio_get; @@ -207,7 +206,7 @@ static int tz1090_pdc_gpio_probe(struct platform_device *pdev) priv->irq[i] = irq_of_parse_and_map(np, i); /* Add the GPIO bank */ - gpiochip_add(&priv->chip); + gpiochip_add_data(&priv->chip, priv); return 0; } diff --git a/drivers/gpio/gpio-tz1090.c b/drivers/gpio/gpio-tz1090.c index 87bb1b1eee8d..ca958e0f6909 100644 --- a/drivers/gpio/gpio-tz1090.c +++ b/drivers/gpio/gpio-tz1090.c @@ -62,7 +62,6 @@ struct tz1090_gpio_bank { int irq; char label[16]; }; -#define to_bank(c) container_of(c, struct tz1090_gpio_bank, chip) /** * struct tz1090_gpio - Overall GPIO device private data @@ -187,7 +186,7 @@ static inline int tz1090_gpio_read_bit(struct tz1090_gpio_bank *bank, static int tz1090_gpio_direction_input(struct gpio_chip *chip, unsigned int offset) { - struct tz1090_gpio_bank *bank = to_bank(chip); + struct tz1090_gpio_bank *bank = gpiochip_get_data(chip); tz1090_gpio_set_bit(bank, REG_GPIO_DIR, offset); return 0; @@ -196,7 +195,7 @@ static int tz1090_gpio_direction_input(struct gpio_chip *chip, static int tz1090_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int output_value) { - struct tz1090_gpio_bank *bank = to_bank(chip); + struct tz1090_gpio_bank *bank = gpiochip_get_data(chip); int lstat; __global_lock2(lstat); @@ -212,9 +211,9 @@ static int tz1090_gpio_direction_output(struct gpio_chip *chip, */ static int tz1090_gpio_get(struct gpio_chip *chip, unsigned int offset) { - struct tz1090_gpio_bank *bank = to_bank(chip); + struct tz1090_gpio_bank *bank = gpiochip_get_data(chip); - return tz1090_gpio_read_bit(bank, REG_GPIO_DIN, offset); + return !!tz1090_gpio_read_bit(bank, REG_GPIO_DIN, offset); } /* @@ -223,14 +222,14 @@ static int tz1090_gpio_get(struct gpio_chip *chip, unsigned int offset) static void tz1090_gpio_set(struct gpio_chip *chip, unsigned int offset, int output_value) { - struct tz1090_gpio_bank *bank = to_bank(chip); + struct tz1090_gpio_bank *bank = gpiochip_get_data(chip); tz1090_gpio_mod_bit(bank, REG_GPIO_DOUT, offset, output_value); } static int tz1090_gpio_request(struct gpio_chip *chip, unsigned int offset) { - struct tz1090_gpio_bank *bank = to_bank(chip); + struct tz1090_gpio_bank *bank = gpiochip_get_data(chip); int ret; ret = pinctrl_request_gpio(chip->base + offset); @@ -245,7 +244,7 @@ static int tz1090_gpio_request(struct gpio_chip *chip, unsigned int offset) static void tz1090_gpio_free(struct gpio_chip *chip, unsigned int offset) { - struct tz1090_gpio_bank *bank = to_bank(chip); + struct tz1090_gpio_bank *bank = gpiochip_get_data(chip); pinctrl_free_gpio(chip->base + offset); @@ -254,7 +253,7 @@ static void tz1090_gpio_free(struct gpio_chip *chip, unsigned int offset) static int tz1090_gpio_to_irq(struct gpio_chip *chip, unsigned int offset) { - struct tz1090_gpio_bank *bank = to_bank(chip); + struct tz1090_gpio_bank *bank = gpiochip_get_data(chip); if (!bank->domain) return -EINVAL; @@ -425,7 +424,7 @@ static int tz1090_gpio_bank_probe(struct tz1090_gpio_bank_info *info) snprintf(bank->label, sizeof(bank->label), "tz1090-gpio-%u", info->index); bank->chip.label = bank->label; - bank->chip.dev = dev; + bank->chip.parent = dev; bank->chip.direction_input = tz1090_gpio_direction_input; bank->chip.direction_output = tz1090_gpio_direction_output; bank->chip.get = tz1090_gpio_get; @@ -440,7 +439,7 @@ static int tz1090_gpio_bank_probe(struct tz1090_gpio_bank_info *info) bank->chip.ngpio = 30; /* Add the GPIO bank */ - gpiochip_add(&bank->chip); + gpiochip_add_data(&bank->chip, bank); /* Get the GPIO bank IRQ if provided */ bank->irq = irq_of_parse_and_map(np, 0); diff --git a/drivers/gpio/gpio-ucb1400.c b/drivers/gpio/gpio-ucb1400.c index d502825159b9..2c5cd46bfa6e 100644 --- a/drivers/gpio/gpio-ucb1400.c +++ b/drivers/gpio/gpio-ucb1400.c @@ -15,7 +15,7 @@ static int ucb1400_gpio_dir_in(struct gpio_chip *gc, unsigned off) { struct ucb1400_gpio *gpio; - gpio = container_of(gc, struct ucb1400_gpio, gc); + gpio = gpiochip_get_data(gc); ucb1400_gpio_set_direction(gpio->ac97, off, 0); return 0; } @@ -23,7 +23,7 @@ static int ucb1400_gpio_dir_in(struct gpio_chip *gc, unsigned off) static int ucb1400_gpio_dir_out(struct gpio_chip *gc, unsigned off, int val) { struct ucb1400_gpio *gpio; - gpio = container_of(gc, struct ucb1400_gpio, gc); + gpio = gpiochip_get_data(gc); ucb1400_gpio_set_direction(gpio->ac97, off, 1); ucb1400_gpio_set_value(gpio->ac97, off, val); return 0; @@ -32,14 +32,15 @@ static int ucb1400_gpio_dir_out(struct gpio_chip *gc, unsigned off, int val) static int ucb1400_gpio_get(struct gpio_chip *gc, unsigned off) { struct ucb1400_gpio *gpio; - gpio = container_of(gc, struct ucb1400_gpio, gc); - return ucb1400_gpio_get_value(gpio->ac97, off); + + gpio = gpiochip_get_data(gc); + return !!ucb1400_gpio_get_value(gpio->ac97, off); } static void ucb1400_gpio_set(struct gpio_chip *gc, unsigned off, int val) { struct ucb1400_gpio *gpio; - gpio = container_of(gc, struct ucb1400_gpio, gc); + gpio = gpiochip_get_data(gc); ucb1400_gpio_set_value(gpio->ac97, off, val); } @@ -66,7 +67,7 @@ static int ucb1400_gpio_probe(struct platform_device *dev) ucb->gc.set = ucb1400_gpio_set; ucb->gc.can_sleep = true; - err = gpiochip_add(&ucb->gc); + err = gpiochip_add_data(&ucb->gc, ucb); if (err) goto err; diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c index 87b950cec6ec..6284bdbe1e0c 100644 --- a/drivers/gpio/gpio-vf610.c +++ b/drivers/gpio/gpio-vf610.c @@ -62,11 +62,6 @@ struct vf610_gpio_port { static struct irq_chip vf610_gpio_irq_chip; -static struct vf610_gpio_port *to_vf610_gp(struct gpio_chip *gc) -{ - return container_of(gc, struct vf610_gpio_port, gc); -} - static const struct of_device_id vf610_gpio_dt_ids[] = { { .compatible = "fsl,vf610-gpio" }, { /* sentinel */ } @@ -84,14 +79,14 @@ static inline u32 vf610_gpio_readl(void __iomem *reg) static int vf610_gpio_get(struct gpio_chip *gc, unsigned int gpio) { - struct vf610_gpio_port *port = to_vf610_gp(gc); + struct vf610_gpio_port *port = gpiochip_get_data(gc); return !!(vf610_gpio_readl(port->gpio_base + GPIO_PDIR) & BIT(gpio)); } static void vf610_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) { - struct vf610_gpio_port *port = to_vf610_gp(gc); + struct vf610_gpio_port *port = gpiochip_get_data(gc); unsigned long mask = BIT(gpio); if (val) @@ -116,7 +111,7 @@ static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, static void vf610_gpio_irq_handler(struct irq_desc *desc) { struct vf610_gpio_port *port = - to_vf610_gp(irq_desc_get_handler_data(desc)); + gpiochip_get_data(irq_desc_get_handler_data(desc)); struct irq_chip *chip = irq_desc_get_chip(desc); int pin; unsigned long irq_isfr; @@ -137,7 +132,7 @@ static void vf610_gpio_irq_handler(struct irq_desc *desc) static void vf610_gpio_irq_ack(struct irq_data *d) { struct vf610_gpio_port *port = - to_vf610_gp(irq_data_get_irq_chip_data(d)); + gpiochip_get_data(irq_data_get_irq_chip_data(d)); int gpio = d->hwirq; vf610_gpio_writel(BIT(gpio), port->base + PORT_ISFR); @@ -146,7 +141,7 @@ static void vf610_gpio_irq_ack(struct irq_data *d) static int vf610_gpio_irq_set_type(struct irq_data *d, u32 type) { struct vf610_gpio_port *port = - to_vf610_gp(irq_data_get_irq_chip_data(d)); + gpiochip_get_data(irq_data_get_irq_chip_data(d)); u8 irqc; switch (type) { @@ -182,7 +177,7 @@ static int vf610_gpio_irq_set_type(struct irq_data *d, u32 type) static void vf610_gpio_irq_mask(struct irq_data *d) { struct vf610_gpio_port *port = - to_vf610_gp(irq_data_get_irq_chip_data(d)); + gpiochip_get_data(irq_data_get_irq_chip_data(d)); void __iomem *pcr_base = port->base + PORT_PCR(d->hwirq); vf610_gpio_writel(0, pcr_base); @@ -191,7 +186,7 @@ static void vf610_gpio_irq_mask(struct irq_data *d) static void vf610_gpio_irq_unmask(struct irq_data *d) { struct vf610_gpio_port *port = - to_vf610_gp(irq_data_get_irq_chip_data(d)); + gpiochip_get_data(irq_data_get_irq_chip_data(d)); void __iomem *pcr_base = port->base + PORT_PCR(d->hwirq); vf610_gpio_writel(port->irqc[d->hwirq] << PORT_PCR_IRQC_OFFSET, @@ -201,7 +196,7 @@ static void vf610_gpio_irq_unmask(struct irq_data *d) static int vf610_gpio_irq_set_wake(struct irq_data *d, u32 enable) { struct vf610_gpio_port *port = - to_vf610_gp(irq_data_get_irq_chip_data(d)); + gpiochip_get_data(irq_data_get_irq_chip_data(d)); if (enable) enable_irq_wake(port->irq); @@ -249,7 +244,7 @@ static int vf610_gpio_probe(struct platform_device *pdev) gc = &port->gc; gc->of_node = np; - gc->dev = dev; + gc->parent = dev; gc->label = "vf610-gpio"; gc->ngpio = VF610_GPIO_PER_PORT; gc->base = of_alias_get_id(np, "gpio") * VF610_GPIO_PER_PORT; @@ -261,7 +256,7 @@ static int vf610_gpio_probe(struct platform_device *pdev) gc->direction_output = vf610_gpio_direction_output; gc->set = vf610_gpio_set; - ret = gpiochip_add(gc); + ret = gpiochip_add_data(gc, port); if (ret < 0) return ret; diff --git a/drivers/gpio/gpio-viperboard.c b/drivers/gpio/gpio-viperboard.c index e2a11f27807f..1170b035cb92 100644 --- a/drivers/gpio/gpio-viperboard.c +++ b/drivers/gpio/gpio-viperboard.c @@ -88,14 +88,13 @@ static int vprbrd_gpioa_get(struct gpio_chip *chip, unsigned offset) { int ret, answer, error = 0; - struct vprbrd_gpio *gpio = - container_of(chip, struct vprbrd_gpio, gpioa); + struct vprbrd_gpio *gpio = gpiochip_get_data(chip); struct vprbrd *vb = gpio->vb; struct vprbrd_gpioa_msg *gamsg = (struct vprbrd_gpioa_msg *)vb->buf; /* if io is set to output, just return the saved value */ if (gpio->gpioa_out & (1 << offset)) - return gpio->gpioa_val & (1 << offset); + return !!(gpio->gpioa_val & (1 << offset)); mutex_lock(&vb->lock); @@ -139,8 +138,7 @@ static void vprbrd_gpioa_set(struct gpio_chip *chip, unsigned offset, int value) { int ret; - struct vprbrd_gpio *gpio = - container_of(chip, struct vprbrd_gpio, gpioa); + struct vprbrd_gpio *gpio = gpiochip_get_data(chip); struct vprbrd *vb = gpio->vb; struct vprbrd_gpioa_msg *gamsg = (struct vprbrd_gpioa_msg *)vb->buf; @@ -173,7 +171,7 @@ static void vprbrd_gpioa_set(struct gpio_chip *chip, mutex_unlock(&vb->lock); if (ret != sizeof(struct vprbrd_gpioa_msg)) - dev_err(chip->dev, "usb error setting pin value\n"); + dev_err(chip->parent, "usb error setting pin value\n"); } } @@ -181,8 +179,7 @@ static int vprbrd_gpioa_direction_input(struct gpio_chip *chip, unsigned offset) { int ret; - struct vprbrd_gpio *gpio = - container_of(chip, struct vprbrd_gpio, gpioa); + struct vprbrd_gpio *gpio = gpiochip_get_data(chip); struct vprbrd *vb = gpio->vb; struct vprbrd_gpioa_msg *gamsg = (struct vprbrd_gpioa_msg *)vb->buf; @@ -219,8 +216,7 @@ static int vprbrd_gpioa_direction_output(struct gpio_chip *chip, unsigned offset, int value) { int ret; - struct vprbrd_gpio *gpio = - container_of(chip, struct vprbrd_gpio, gpioa); + struct vprbrd_gpio *gpio = gpiochip_get_data(chip); struct vprbrd *vb = gpio->vb; struct vprbrd_gpioa_msg *gamsg = (struct vprbrd_gpioa_msg *)vb->buf; @@ -287,8 +283,7 @@ static int vprbrd_gpiob_get(struct gpio_chip *chip, { int ret; u16 val; - struct vprbrd_gpio *gpio = - container_of(chip, struct vprbrd_gpio, gpiob); + struct vprbrd_gpio *gpio = gpiochip_get_data(chip); struct vprbrd *vb = gpio->vb; struct vprbrd_gpiob_msg *gbmsg = (struct vprbrd_gpiob_msg *)vb->buf; @@ -319,8 +314,7 @@ static void vprbrd_gpiob_set(struct gpio_chip *chip, unsigned offset, int value) { int ret; - struct vprbrd_gpio *gpio = - container_of(chip, struct vprbrd_gpio, gpiob); + struct vprbrd_gpio *gpio = gpiochip_get_data(chip); struct vprbrd *vb = gpio->vb; struct vprbrd_gpiob_msg *gbmsg = (struct vprbrd_gpiob_msg *)vb->buf; @@ -345,7 +339,7 @@ static void vprbrd_gpiob_set(struct gpio_chip *chip, mutex_unlock(&vb->lock); if (ret != sizeof(struct vprbrd_gpiob_msg)) - dev_err(chip->dev, "usb error setting pin value\n"); + dev_err(chip->parent, "usb error setting pin value\n"); } } @@ -353,8 +347,7 @@ static int vprbrd_gpiob_direction_input(struct gpio_chip *chip, unsigned offset) { int ret; - struct vprbrd_gpio *gpio = - container_of(chip, struct vprbrd_gpio, gpiob); + struct vprbrd_gpio *gpio = gpiochip_get_data(chip); struct vprbrd *vb = gpio->vb; gpio->gpiob_out &= ~(1 << offset); @@ -366,7 +359,7 @@ static int vprbrd_gpiob_direction_input(struct gpio_chip *chip, mutex_unlock(&vb->lock); if (ret) - dev_err(chip->dev, "usb error setting pin to input\n"); + dev_err(chip->parent, "usb error setting pin to input\n"); return ret; } @@ -375,8 +368,7 @@ static int vprbrd_gpiob_direction_output(struct gpio_chip *chip, unsigned offset, int value) { int ret; - struct vprbrd_gpio *gpio = - container_of(chip, struct vprbrd_gpio, gpiob); + struct vprbrd_gpio *gpio = gpiochip_get_data(chip); struct vprbrd *vb = gpio->vb; gpio->gpiob_out |= (1 << offset); @@ -385,7 +377,7 @@ static int vprbrd_gpiob_direction_output(struct gpio_chip *chip, ret = vprbrd_gpiob_setdir(vb, offset, 1); if (ret) - dev_err(chip->dev, "usb error setting pin to output\n"); + dev_err(chip->parent, "usb error setting pin to output\n"); mutex_unlock(&vb->lock); @@ -409,7 +401,7 @@ static int vprbrd_gpio_probe(struct platform_device *pdev) vb_gpio->vb = vb; /* registering gpio a */ vb_gpio->gpioa.label = "viperboard gpio a"; - vb_gpio->gpioa.dev = &pdev->dev; + vb_gpio->gpioa.parent = &pdev->dev; vb_gpio->gpioa.owner = THIS_MODULE; vb_gpio->gpioa.base = -1; vb_gpio->gpioa.ngpio = 16; @@ -418,15 +410,15 @@ static int vprbrd_gpio_probe(struct platform_device *pdev) vb_gpio->gpioa.get = vprbrd_gpioa_get; vb_gpio->gpioa.direction_input = vprbrd_gpioa_direction_input; vb_gpio->gpioa.direction_output = vprbrd_gpioa_direction_output; - ret = gpiochip_add(&vb_gpio->gpioa); + ret = gpiochip_add_data(&vb_gpio->gpioa, vb_gpio); if (ret < 0) { - dev_err(vb_gpio->gpioa.dev, "could not add gpio a"); + dev_err(vb_gpio->gpioa.parent, "could not add gpio a"); goto err_gpioa; } /* registering gpio b */ vb_gpio->gpiob.label = "viperboard gpio b"; - vb_gpio->gpiob.dev = &pdev->dev; + vb_gpio->gpiob.parent = &pdev->dev; vb_gpio->gpiob.owner = THIS_MODULE; vb_gpio->gpiob.base = -1; vb_gpio->gpiob.ngpio = 16; @@ -435,9 +427,9 @@ static int vprbrd_gpio_probe(struct platform_device *pdev) vb_gpio->gpiob.get = vprbrd_gpiob_get; vb_gpio->gpiob.direction_input = vprbrd_gpiob_direction_input; vb_gpio->gpiob.direction_output = vprbrd_gpiob_direction_output; - ret = gpiochip_add(&vb_gpio->gpiob); + ret = gpiochip_add_data(&vb_gpio->gpiob, vb_gpio); if (ret < 0) { - dev_err(vb_gpio->gpiob.dev, "could not add gpio b"); + dev_err(vb_gpio->gpiob.parent, "could not add gpio b"); goto err_gpiob; } diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c index c1caa459c02d..ac8deb01f6f6 100644 --- a/drivers/gpio/gpio-vr41xx.c +++ b/drivers/gpio/gpio-vr41xx.c @@ -139,7 +139,7 @@ static void unmask_giuint_low(struct irq_data *d) static unsigned int startup_giuint(struct irq_data *data) { if (gpiochip_lock_as_irq(&vr41xx_gpio_chip, data->hwirq)) - dev_err(vr41xx_gpio_chip.dev, + dev_err(vr41xx_gpio_chip.parent, "unable to lock HW IRQ %lu for IRQ\n", data->hwirq); /* Satisfy the .enable semantics by unmasking the line */ @@ -542,9 +542,9 @@ static int giu_probe(struct platform_device *pdev) if (!giu_base) return -ENOMEM; - vr41xx_gpio_chip.dev = &pdev->dev; + vr41xx_gpio_chip.parent = &pdev->dev; - ret = gpiochip_add(&vr41xx_gpio_chip); + ret = gpiochip_add_data(&vr41xx_gpio_chip, NULL); if (!ret) { iounmap(giu_base); return -ENODEV; diff --git a/drivers/gpio/gpio-vx855.c b/drivers/gpio/gpio-vx855.c index 57b470d5b39e..764999cc0794 100644 --- a/drivers/gpio/gpio-vx855.c +++ b/drivers/gpio/gpio-vx855.c @@ -96,7 +96,7 @@ static inline u_int32_t gpio_o_bit(int i) static int vx855gpio_direction_input(struct gpio_chip *gpio, unsigned int nr) { - struct vx855_gpio *vg = container_of(gpio, struct vx855_gpio, gpio); + struct vx855_gpio *vg = gpiochip_get_data(gpio); unsigned long flags; u_int32_t reg_out; @@ -120,7 +120,7 @@ static int vx855gpio_direction_input(struct gpio_chip *gpio, static int vx855gpio_get(struct gpio_chip *gpio, unsigned int nr) { - struct vx855_gpio *vg = container_of(gpio, struct vx855_gpio, gpio); + struct vx855_gpio *vg = gpiochip_get_data(gpio); u_int32_t reg_in; int ret = 0; @@ -146,7 +146,7 @@ static int vx855gpio_get(struct gpio_chip *gpio, unsigned int nr) static void vx855gpio_set(struct gpio_chip *gpio, unsigned int nr, int val) { - struct vx855_gpio *vg = container_of(gpio, struct vx855_gpio, gpio); + struct vx855_gpio *vg = gpiochip_get_data(gpio); unsigned long flags; u_int32_t reg_out; @@ -259,7 +259,7 @@ static int vx855gpio_probe(struct platform_device *pdev) vx855gpio_gpio_setup(vg); - return gpiochip_add(&vg->gpio); + return gpiochip_add_data(&vg->gpio, vg); } static int vx855gpio_remove(struct platform_device *pdev) diff --git a/drivers/gpio/gpio-wm831x.c b/drivers/gpio/gpio-wm831x.c index 58ce75c188b7..98390070fb64 100644 --- a/drivers/gpio/gpio-wm831x.c +++ b/drivers/gpio/gpio-wm831x.c @@ -30,14 +30,9 @@ struct wm831x_gpio { struct gpio_chip gpio_chip; }; -static inline struct wm831x_gpio *to_wm831x_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct wm831x_gpio, gpio_chip); -} - static int wm831x_gpio_direction_in(struct gpio_chip *chip, unsigned offset) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; int val = WM831X_GPN_DIR; @@ -51,7 +46,7 @@ static int wm831x_gpio_direction_in(struct gpio_chip *chip, unsigned offset) static int wm831x_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; int ret; @@ -67,7 +62,7 @@ static int wm831x_gpio_get(struct gpio_chip *chip, unsigned offset) static void wm831x_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; wm831x_set_bits(wm831x, WM831X_GPIO_LEVEL, 1 << offset, @@ -77,7 +72,7 @@ static void wm831x_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int wm831x_gpio_direction_out(struct gpio_chip *chip, unsigned offset, int value) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; int val = 0; int ret; @@ -99,7 +94,7 @@ static int wm831x_gpio_direction_out(struct gpio_chip *chip, static int wm831x_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; return irq_create_mapping(wm831x->irq_domain, @@ -109,7 +104,7 @@ static int wm831x_gpio_to_irq(struct gpio_chip *chip, unsigned offset) static int wm831x_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, unsigned debounce) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; int reg = WM831X_GPIO1_CONTROL + offset; int ret, fn; @@ -140,7 +135,7 @@ static int wm831x_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, #ifdef CONFIG_DEBUG_FS static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; int i, tristated; @@ -258,13 +253,13 @@ static int wm831x_gpio_probe(struct platform_device *pdev) wm831x_gpio->wm831x = wm831x; wm831x_gpio->gpio_chip = template_chip; wm831x_gpio->gpio_chip.ngpio = wm831x->num_gpio; - wm831x_gpio->gpio_chip.dev = &pdev->dev; + wm831x_gpio->gpio_chip.parent = &pdev->dev; if (pdata && pdata->gpio_base) wm831x_gpio->gpio_chip.base = pdata->gpio_base; else wm831x_gpio->gpio_chip.base = -1; - ret = gpiochip_add(&wm831x_gpio->gpio_chip); + ret = gpiochip_add_data(&wm831x_gpio->gpio_chip, wm831x_gpio); if (ret < 0) { dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret); return ret; diff --git a/drivers/gpio/gpio-wm8350.c b/drivers/gpio/gpio-wm8350.c index 060b89303bb6..0a306b4baa73 100644 --- a/drivers/gpio/gpio-wm8350.c +++ b/drivers/gpio/gpio-wm8350.c @@ -28,14 +28,9 @@ struct wm8350_gpio_data { struct gpio_chip gpio_chip; }; -static inline struct wm8350_gpio_data *to_wm8350_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct wm8350_gpio_data, gpio_chip); -} - static int wm8350_gpio_direction_in(struct gpio_chip *chip, unsigned offset) { - struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip); + struct wm8350_gpio_data *wm8350_gpio = gpiochip_get_data(chip); struct wm8350 *wm8350 = wm8350_gpio->wm8350; return wm8350_set_bits(wm8350, WM8350_GPIO_CONFIGURATION_I_O, @@ -44,7 +39,7 @@ static int wm8350_gpio_direction_in(struct gpio_chip *chip, unsigned offset) static int wm8350_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip); + struct wm8350_gpio_data *wm8350_gpio = gpiochip_get_data(chip); struct wm8350 *wm8350 = wm8350_gpio->wm8350; int ret; @@ -60,7 +55,7 @@ static int wm8350_gpio_get(struct gpio_chip *chip, unsigned offset) static void wm8350_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip); + struct wm8350_gpio_data *wm8350_gpio = gpiochip_get_data(chip); struct wm8350 *wm8350 = wm8350_gpio->wm8350; if (value) @@ -72,7 +67,7 @@ static void wm8350_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int wm8350_gpio_direction_out(struct gpio_chip *chip, unsigned offset, int value) { - struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip); + struct wm8350_gpio_data *wm8350_gpio = gpiochip_get_data(chip); struct wm8350 *wm8350 = wm8350_gpio->wm8350; int ret; @@ -89,7 +84,7 @@ static int wm8350_gpio_direction_out(struct gpio_chip *chip, static int wm8350_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { - struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip); + struct wm8350_gpio_data *wm8350_gpio = gpiochip_get_data(chip); struct wm8350 *wm8350 = wm8350_gpio->wm8350; if (!wm8350->irq_base) @@ -124,13 +119,13 @@ static int wm8350_gpio_probe(struct platform_device *pdev) wm8350_gpio->wm8350 = wm8350; wm8350_gpio->gpio_chip = template_chip; wm8350_gpio->gpio_chip.ngpio = 13; - wm8350_gpio->gpio_chip.dev = &pdev->dev; + wm8350_gpio->gpio_chip.parent = &pdev->dev; if (pdata && pdata->gpio_base) wm8350_gpio->gpio_chip.base = pdata->gpio_base; else wm8350_gpio->gpio_chip.base = -1; - ret = gpiochip_add(&wm8350_gpio->gpio_chip); + ret = gpiochip_add_data(&wm8350_gpio->gpio_chip, wm8350_gpio); if (ret < 0) { dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret); return ret; diff --git a/drivers/gpio/gpio-wm8994.c b/drivers/gpio/gpio-wm8994.c index 6f5e42db4b9e..3ae4c1597494 100644 --- a/drivers/gpio/gpio-wm8994.c +++ b/drivers/gpio/gpio-wm8994.c @@ -31,14 +31,9 @@ struct wm8994_gpio { struct gpio_chip gpio_chip; }; -static inline struct wm8994_gpio *to_wm8994_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct wm8994_gpio, gpio_chip); -} - static int wm8994_gpio_request(struct gpio_chip *chip, unsigned offset) { - struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip); + struct wm8994_gpio *wm8994_gpio = gpiochip_get_data(chip); struct wm8994 *wm8994 = wm8994_gpio->wm8994; switch (wm8994->type) { @@ -61,7 +56,7 @@ static int wm8994_gpio_request(struct gpio_chip *chip, unsigned offset) static int wm8994_gpio_direction_in(struct gpio_chip *chip, unsigned offset) { - struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip); + struct wm8994_gpio *wm8994_gpio = gpiochip_get_data(chip); struct wm8994 *wm8994 = wm8994_gpio->wm8994; return wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset, @@ -70,7 +65,7 @@ static int wm8994_gpio_direction_in(struct gpio_chip *chip, unsigned offset) static int wm8994_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip); + struct wm8994_gpio *wm8994_gpio = gpiochip_get_data(chip); struct wm8994 *wm8994 = wm8994_gpio->wm8994; int ret; @@ -87,7 +82,7 @@ static int wm8994_gpio_get(struct gpio_chip *chip, unsigned offset) static int wm8994_gpio_direction_out(struct gpio_chip *chip, unsigned offset, int value) { - struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip); + struct wm8994_gpio *wm8994_gpio = gpiochip_get_data(chip); struct wm8994 *wm8994 = wm8994_gpio->wm8994; if (value) @@ -99,7 +94,7 @@ static int wm8994_gpio_direction_out(struct gpio_chip *chip, static void wm8994_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip); + struct wm8994_gpio *wm8994_gpio = gpiochip_get_data(chip); struct wm8994 *wm8994 = wm8994_gpio->wm8994; if (value) @@ -110,7 +105,7 @@ static void wm8994_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int wm8994_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { - struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip); + struct wm8994_gpio *wm8994_gpio = gpiochip_get_data(chip); struct wm8994 *wm8994 = wm8994_gpio->wm8994; return regmap_irq_get_virq(wm8994->irq_data, offset); @@ -174,7 +169,7 @@ static const char *wm8994_gpio_fn(u16 fn) static void wm8994_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) { - struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip); + struct wm8994_gpio *wm8994_gpio = gpiochip_get_data(chip); struct wm8994 *wm8994 = wm8994_gpio->wm8994; int i; @@ -260,13 +255,13 @@ static int wm8994_gpio_probe(struct platform_device *pdev) wm8994_gpio->wm8994 = wm8994; wm8994_gpio->gpio_chip = template_chip; wm8994_gpio->gpio_chip.ngpio = WM8994_GPIO_MAX; - wm8994_gpio->gpio_chip.dev = &pdev->dev; + wm8994_gpio->gpio_chip.parent = &pdev->dev; if (pdata && pdata->gpio_base) wm8994_gpio->gpio_chip.base = pdata->gpio_base; else wm8994_gpio->gpio_chip.base = -1; - ret = gpiochip_add(&wm8994_gpio->gpio_chip); + ret = gpiochip_add_data(&wm8994_gpio->gpio_chip, wm8994_gpio); if (ret < 0) { dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret); diff --git a/drivers/gpio/gpio-xgene-sb.c b/drivers/gpio/gpio-xgene-sb.c index d57068b9083e..282004deb5d4 100644 --- a/drivers/gpio/gpio-xgene-sb.c +++ b/drivers/gpio/gpio-xgene-sb.c @@ -23,10 +23,8 @@ #include <linux/io.h> #include <linux/platform_device.h> #include <linux/of_gpio.h> -#include <linux/gpio.h> #include <linux/gpio/driver.h> #include <linux/acpi.h> -#include <linux/basic_mmio_gpio.h> #include "gpiolib.h" @@ -43,38 +41,31 @@ /** * struct xgene_gpio_sb - GPIO-Standby private data structure. - * @bgc: memory-mapped GPIO controllers. + * @gc: memory-mapped GPIO controllers. * @irq: Mapping GPIO pins and interrupt number * nirq: Number of GPIO pins that supports interrupt */ struct xgene_gpio_sb { - struct bgpio_chip bgc; + struct gpio_chip gc; u32 *irq; u32 nirq; }; -static inline struct xgene_gpio_sb *to_xgene_gpio_sb(struct gpio_chip *gc) -{ - struct bgpio_chip *bgc = to_bgpio_chip(gc); - - return container_of(bgc, struct xgene_gpio_sb, bgc); -} - -static void xgene_gpio_set_bit(struct bgpio_chip *bgc, void __iomem *reg, u32 gpio, int val) +static void xgene_gpio_set_bit(struct gpio_chip *gc, void __iomem *reg, u32 gpio, int val) { u32 data; - data = bgc->read_reg(reg); + data = gc->read_reg(reg); if (val) data |= GPIO_MASK(gpio); else data &= ~GPIO_MASK(gpio); - bgc->write_reg(reg, data); + gc->write_reg(reg, data); } static int apm_gpio_sb_to_irq(struct gpio_chip *gc, u32 gpio) { - struct xgene_gpio_sb *priv = to_xgene_gpio_sb(gc); + struct xgene_gpio_sb *priv = gpiochip_get_data(gc); if (priv->irq[gpio]) return priv->irq[gpio]; @@ -99,15 +90,15 @@ static int xgene_gpio_sb_probe(struct platform_device *pdev) if (IS_ERR(regs)) return PTR_ERR(regs); - ret = bgpio_init(&priv->bgc, &pdev->dev, 4, + ret = bgpio_init(&priv->gc, &pdev->dev, 4, regs + MPA_GPIO_IN_ADDR, regs + MPA_GPIO_OUT_ADDR, NULL, regs + MPA_GPIO_OE_ADDR, NULL, 0); if (ret) return ret; - priv->bgc.gc.to_irq = apm_gpio_sb_to_irq; - priv->bgc.gc.ngpio = XGENE_MAX_GPIO_DS; + priv->gc.to_irq = apm_gpio_sb_to_irq; + priv->gc.ngpio = XGENE_MAX_GPIO_DS; priv->nirq = XGENE_MAX_GPIO_DS_IRQ; @@ -118,14 +109,14 @@ static int xgene_gpio_sb_probe(struct platform_device *pdev) for (i = 0; i < priv->nirq; i++) { priv->irq[default_lines[i]] = platform_get_irq(pdev, i); - xgene_gpio_set_bit(&priv->bgc, regs + MPA_GPIO_SEL_LO, + xgene_gpio_set_bit(&priv->gc, regs + MPA_GPIO_SEL_LO, default_lines[i] * 2, 1); - xgene_gpio_set_bit(&priv->bgc, regs + MPA_GPIO_INT_LVL, i, 1); + xgene_gpio_set_bit(&priv->gc, regs + MPA_GPIO_INT_LVL, i, 1); } platform_set_drvdata(pdev, priv); - ret = gpiochip_add(&priv->bgc.gc); + ret = gpiochip_add_data(&priv->gc, priv); if (ret) dev_err(&pdev->dev, "failed to register X-Gene GPIO Standby driver\n"); else @@ -133,7 +124,7 @@ static int xgene_gpio_sb_probe(struct platform_device *pdev) if (priv->nirq > 0) { /* Register interrupt handlers for gpio signaled acpi events */ - acpi_gpiochip_request_interrupts(&priv->bgc.gc); + acpi_gpiochip_request_interrupts(&priv->gc); } return ret; @@ -144,10 +135,11 @@ static int xgene_gpio_sb_remove(struct platform_device *pdev) struct xgene_gpio_sb *priv = platform_get_drvdata(pdev); if (priv->nirq > 0) { - acpi_gpiochip_free_interrupts(&priv->bgc.gc); + acpi_gpiochip_free_interrupts(&priv->gc); } - return bgpio_remove(&priv->bgc); + gpiochip_remove(&priv->gc); + return 0; } static const struct of_device_id xgene_gpio_sb_of_match[] = { diff --git a/drivers/gpio/gpio-xgene.c b/drivers/gpio/gpio-xgene.c index 18a8182d4fec..592e9cdf9c53 100644 --- a/drivers/gpio/gpio-xgene.c +++ b/drivers/gpio/gpio-xgene.c @@ -47,14 +47,9 @@ struct xgene_gpio { #endif }; -static inline struct xgene_gpio *to_xgene_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct xgene_gpio, chip); -} - static int xgene_gpio_get(struct gpio_chip *gc, unsigned int offset) { - struct xgene_gpio *chip = to_xgene_gpio(gc); + struct xgene_gpio *chip = gpiochip_get_data(gc); unsigned long bank_offset; u32 bit_offset; @@ -65,7 +60,7 @@ static int xgene_gpio_get(struct gpio_chip *gc, unsigned int offset) static void __xgene_gpio_set(struct gpio_chip *gc, unsigned int offset, int val) { - struct xgene_gpio *chip = to_xgene_gpio(gc); + struct xgene_gpio *chip = gpiochip_get_data(gc); unsigned long bank_offset; u32 setval, bit_offset; @@ -82,7 +77,7 @@ static void __xgene_gpio_set(struct gpio_chip *gc, unsigned int offset, int val) static void xgene_gpio_set(struct gpio_chip *gc, unsigned int offset, int val) { - struct xgene_gpio *chip = to_xgene_gpio(gc); + struct xgene_gpio *chip = gpiochip_get_data(gc); unsigned long flags; spin_lock_irqsave(&chip->lock, flags); @@ -92,7 +87,7 @@ static void xgene_gpio_set(struct gpio_chip *gc, unsigned int offset, int val) static int xgene_gpio_dir_in(struct gpio_chip *gc, unsigned int offset) { - struct xgene_gpio *chip = to_xgene_gpio(gc); + struct xgene_gpio *chip = gpiochip_get_data(gc); unsigned long flags, bank_offset; u32 dirval, bit_offset; @@ -113,7 +108,7 @@ static int xgene_gpio_dir_in(struct gpio_chip *gc, unsigned int offset) static int xgene_gpio_dir_out(struct gpio_chip *gc, unsigned int offset, int val) { - struct xgene_gpio *chip = to_xgene_gpio(gc); + struct xgene_gpio *chip = gpiochip_get_data(gc); unsigned long flags, bank_offset; u32 dirval, bit_offset; @@ -188,7 +183,7 @@ static int xgene_gpio_probe(struct platform_device *pdev) gpio->chip.ngpio = XGENE_MAX_GPIOS; spin_lock_init(&gpio->lock); - gpio->chip.dev = &pdev->dev; + gpio->chip.parent = &pdev->dev; gpio->chip.direction_input = xgene_gpio_dir_in; gpio->chip.direction_output = xgene_gpio_dir_out; gpio->chip.get = xgene_gpio_get; @@ -198,7 +193,7 @@ static int xgene_gpio_probe(struct platform_device *pdev) platform_set_drvdata(pdev, gpio); - err = gpiochip_add(&gpio->chip); + err = gpiochip_add_data(&gpio->chip, gpio); if (err) { dev_err(&pdev->dev, "failed to register gpiochip.\n"); diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c index d5284dfe01fe..d0fbb7f99523 100644 --- a/drivers/gpio/gpio-xilinx.c +++ b/drivers/gpio/gpio-xilinx.c @@ -92,8 +92,7 @@ static inline int xgpio_offset(struct xgpio_instance *chip, int gpio) static int xgpio_get(struct gpio_chip *gc, unsigned int gpio) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct xgpio_instance *chip = - container_of(mm_gc, struct xgpio_instance, mmchip); + struct xgpio_instance *chip = gpiochip_get_data(gc); u32 val; val = xgpio_readreg(mm_gc->regs + XGPIO_DATA_OFFSET + @@ -115,8 +114,7 @@ static void xgpio_set(struct gpio_chip *gc, unsigned int gpio, int val) { unsigned long flags; struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct xgpio_instance *chip = - container_of(mm_gc, struct xgpio_instance, mmchip); + struct xgpio_instance *chip = gpiochip_get_data(gc); int index = xgpio_index(chip, gpio); int offset = xgpio_offset(chip, gpio); @@ -147,8 +145,7 @@ static int xgpio_dir_in(struct gpio_chip *gc, unsigned int gpio) { unsigned long flags; struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct xgpio_instance *chip = - container_of(mm_gc, struct xgpio_instance, mmchip); + struct xgpio_instance *chip = gpiochip_get_data(gc); int index = xgpio_index(chip, gpio); int offset = xgpio_offset(chip, gpio); @@ -180,8 +177,7 @@ static int xgpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) { unsigned long flags; struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct xgpio_instance *chip = - container_of(mm_gc, struct xgpio_instance, mmchip); + struct xgpio_instance *chip = gpiochip_get_data(gc); int index = xgpio_index(chip, gpio); int offset = xgpio_offset(chip, gpio); @@ -212,7 +208,7 @@ static int xgpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) static void xgpio_save_regs(struct of_mm_gpio_chip *mm_gc) { struct xgpio_instance *chip = - container_of(mm_gc, struct xgpio_instance, mmchip); + container_of(mm_gc, struct xgpio_instance, mmchip); xgpio_writereg(mm_gc->regs + XGPIO_DATA_OFFSET, chip->gpio_state[0]); xgpio_writereg(mm_gc->regs + XGPIO_TRI_OFFSET, chip->gpio_dir[0]); @@ -305,7 +301,7 @@ static int xgpio_probe(struct platform_device *pdev) } chip->mmchip.gc.ngpio = chip->gpio_width[0] + chip->gpio_width[1]; - chip->mmchip.gc.dev = &pdev->dev; + chip->mmchip.gc.parent = &pdev->dev; chip->mmchip.gc.direction_input = xgpio_dir_in; chip->mmchip.gc.direction_output = xgpio_dir_out; chip->mmchip.gc.get = xgpio_get; @@ -314,7 +310,7 @@ static int xgpio_probe(struct platform_device *pdev) chip->mmchip.save_regs = xgpio_save_regs; /* Call the OF gpio helper to setup and register the GPIO device */ - status = of_mm_gpiochip_add(np, &chip->mmchip); + status = of_mm_gpiochip_add_data(np, &chip->mmchip, chip); if (status) { pr_err("%s: error in probe function with status %d\n", np->full_name, status); diff --git a/drivers/gpio/gpio-xlp.c b/drivers/gpio/gpio-xlp.c index bc06a2cd2c1d..aa5813d2deb1 100644 --- a/drivers/gpio/gpio-xlp.c +++ b/drivers/gpio/gpio-xlp.c @@ -100,11 +100,6 @@ struct xlp_gpio_priv { spinlock_t lock; }; -static struct xlp_gpio_priv *gpio_chip_to_xlp_priv(struct gpio_chip *gc) -{ - return container_of(gc, struct xlp_gpio_priv, chip); -} - static int xlp_gpio_get_reg(void __iomem *addr, unsigned gpio) { u32 pos, regset; @@ -133,7 +128,7 @@ static void xlp_gpio_set_reg(void __iomem *addr, unsigned gpio, int state) static void xlp_gpio_irq_disable(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); unsigned long flags; spin_lock_irqsave(&priv->lock, flags); @@ -145,7 +140,7 @@ static void xlp_gpio_irq_disable(struct irq_data *d) static void xlp_gpio_irq_mask_ack(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); unsigned long flags; spin_lock_irqsave(&priv->lock, flags); @@ -158,7 +153,7 @@ static void xlp_gpio_irq_mask_ack(struct irq_data *d) static void xlp_gpio_irq_unmask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); unsigned long flags; spin_lock_irqsave(&priv->lock, flags); @@ -170,7 +165,7 @@ static void xlp_gpio_irq_unmask(struct irq_data *d) static int xlp_gpio_set_irq_type(struct irq_data *d, unsigned int type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); int pol, irq_type; switch (type) { @@ -235,7 +230,7 @@ static void xlp_gpio_generic_handler(struct irq_desc *desc) static int xlp_gpio_dir_output(struct gpio_chip *gc, unsigned gpio, int state) { - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); BUG_ON(gpio >= gc->ngpio); xlp_gpio_set_reg(priv->gpio_out_en, gpio, 0x1); @@ -245,7 +240,7 @@ static int xlp_gpio_dir_output(struct gpio_chip *gc, unsigned gpio, int state) static int xlp_gpio_dir_input(struct gpio_chip *gc, unsigned gpio) { - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); BUG_ON(gpio >= gc->ngpio); xlp_gpio_set_reg(priv->gpio_out_en, gpio, 0x0); @@ -255,7 +250,7 @@ static int xlp_gpio_dir_input(struct gpio_chip *gc, unsigned gpio) static int xlp_gpio_get(struct gpio_chip *gc, unsigned gpio) { - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); BUG_ON(gpio >= gc->ngpio); return xlp_gpio_get_reg(priv->gpio_paddrv, gpio); @@ -263,7 +258,7 @@ static int xlp_gpio_get(struct gpio_chip *gc, unsigned gpio) static void xlp_gpio_set(struct gpio_chip *gc, unsigned gpio, int state) { - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); BUG_ON(gpio >= gc->ngpio); xlp_gpio_set_reg(priv->gpio_paddrv, gpio, state); @@ -373,7 +368,7 @@ static int xlp_gpio_probe(struct platform_device *pdev) gc->owner = THIS_MODULE; gc->label = dev_name(&pdev->dev); gc->base = 0; - gc->dev = &pdev->dev; + gc->parent = &pdev->dev; gc->ngpio = ngpio; gc->of_node = pdev->dev.of_node; gc->direction_output = xlp_gpio_dir_output; @@ -388,7 +383,7 @@ static int xlp_gpio_probe(struct platform_device *pdev) return -ENODEV; } - err = gpiochip_add(gc); + err = gpiochip_add_data(gc, priv); if (err < 0) goto out_free_desc; diff --git a/drivers/gpio/gpio-xtensa.c b/drivers/gpio/gpio-xtensa.c index 93ec95df67a3..f16c0427952e 100644 --- a/drivers/gpio/gpio-xtensa.c +++ b/drivers/gpio/gpio-xtensa.c @@ -148,10 +148,10 @@ static int xtensa_gpio_probe(struct platform_device *pdev) { int ret; - ret = gpiochip_add(&impwire_chip); + ret = gpiochip_add_data(&impwire_chip, NULL); if (ret) return ret; - return gpiochip_add(&expstate_chip); + return gpiochip_add_data(&expstate_chip, NULL); } static struct platform_driver xtensa_gpio_driver = { diff --git a/drivers/gpio/gpio-zevio.c b/drivers/gpio/gpio-zevio.c index 6f02d7c4cc57..cda6d922be98 100644 --- a/drivers/gpio/gpio-zevio.c +++ b/drivers/gpio/gpio-zevio.c @@ -52,9 +52,6 @@ #define ZEVIO_GPIO_INPUT 0x18 #define ZEVIO_GPIO_INT_STICKY 0x20 -#define to_zevio_gpio(chip) container_of(to_of_mm_gpio_chip(chip), \ - struct zevio_gpio, chip) - /* Bit number of GPIO in its section */ #define ZEVIO_GPIO_BIT(gpio) (gpio&7) @@ -80,7 +77,7 @@ static inline void zevio_gpio_port_set(struct zevio_gpio *c, unsigned pin, /* Functions for struct gpio_chip */ static int zevio_gpio_get(struct gpio_chip *chip, unsigned pin) { - struct zevio_gpio *controller = to_zevio_gpio(chip); + struct zevio_gpio *controller = gpiochip_get_data(chip); u32 val, dir; spin_lock(&controller->lock); @@ -96,7 +93,7 @@ static int zevio_gpio_get(struct gpio_chip *chip, unsigned pin) static void zevio_gpio_set(struct gpio_chip *chip, unsigned pin, int value) { - struct zevio_gpio *controller = to_zevio_gpio(chip); + struct zevio_gpio *controller = gpiochip_get_data(chip); u32 val; spin_lock(&controller->lock); @@ -112,7 +109,7 @@ static void zevio_gpio_set(struct gpio_chip *chip, unsigned pin, int value) static int zevio_gpio_direction_input(struct gpio_chip *chip, unsigned pin) { - struct zevio_gpio *controller = to_zevio_gpio(chip); + struct zevio_gpio *controller = gpiochip_get_data(chip); u32 val; spin_lock(&controller->lock); @@ -129,7 +126,7 @@ static int zevio_gpio_direction_input(struct gpio_chip *chip, unsigned pin) static int zevio_gpio_direction_output(struct gpio_chip *chip, unsigned pin, int value) { - struct zevio_gpio *controller = to_zevio_gpio(chip); + struct zevio_gpio *controller = gpiochip_get_data(chip); u32 val; spin_lock(&controller->lock); @@ -185,9 +182,11 @@ static int zevio_gpio_probe(struct platform_device *pdev) /* Copy our reference */ controller->chip.gc = zevio_gpio_chip; - controller->chip.gc.dev = &pdev->dev; + controller->chip.gc.parent = &pdev->dev; - status = of_mm_gpiochip_add(pdev->dev.of_node, &(controller->chip)); + status = of_mm_gpiochip_add_data(pdev->dev.of_node, + &(controller->chip), + controller); if (status) { dev_err(&pdev->dev, "failed to add gpiochip: %d\n", status); return status; @@ -199,7 +198,7 @@ static int zevio_gpio_probe(struct platform_device *pdev) for (i = 0; i < controller->chip.gc.ngpio; i += 8) zevio_gpio_port_set(controller, i, ZEVIO_GPIO_INT_MASK, 0xFF); - dev_dbg(controller->chip.gc.dev, "ZEVIO GPIO controller set up!\n"); + dev_dbg(controller->chip.gc.parent, "ZEVIO GPIO controller set up!\n"); return 0; } diff --git a/drivers/gpio/gpio-zx.c b/drivers/gpio/gpio-zx.c index 1dcf7a66dd36..47c79fa65670 100644 --- a/drivers/gpio/gpio-zx.c +++ b/drivers/gpio/gpio-zx.c @@ -43,14 +43,9 @@ struct zx_gpio { struct gpio_chip gc; }; -static inline struct zx_gpio *to_zx(struct gpio_chip *gc) -{ - return container_of(gc, struct zx_gpio, gc); -} - static int zx_direction_input(struct gpio_chip *gc, unsigned offset) { - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); unsigned long flags; u16 gpiodir; @@ -69,7 +64,7 @@ static int zx_direction_input(struct gpio_chip *gc, unsigned offset) static int zx_direction_output(struct gpio_chip *gc, unsigned offset, int value) { - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); unsigned long flags; u16 gpiodir; @@ -92,14 +87,14 @@ static int zx_direction_output(struct gpio_chip *gc, unsigned offset, static int zx_get_value(struct gpio_chip *gc, unsigned offset) { - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); return !!(readw_relaxed(chip->base + ZX_GPIO_DI) & BIT(offset)); } static void zx_set_value(struct gpio_chip *gc, unsigned offset, int value) { - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); if (value) writew_relaxed(BIT(offset), chip->base + ZX_GPIO_DO1); @@ -110,7 +105,7 @@ static void zx_set_value(struct gpio_chip *gc, unsigned offset, int value) static int zx_irq_type(struct irq_data *d, unsigned trigger) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); int offset = irqd_to_hwirq(d); unsigned long flags; u16 gpiois, gpioi_epos, gpioi_eneg, gpioiev; @@ -162,7 +157,7 @@ static void zx_irq_handler(struct irq_desc *desc) unsigned long pending; int offset; struct gpio_chip *gc = irq_desc_get_handler_data(desc); - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); struct irq_chip *irqchip = irq_desc_get_chip(desc); chained_irq_enter(irqchip, desc); @@ -181,7 +176,7 @@ static void zx_irq_handler(struct irq_desc *desc) static void zx_irq_mask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); u16 mask = BIT(irqd_to_hwirq(d) % ZX_GPIO_NR); u16 gpioie; @@ -196,7 +191,7 @@ static void zx_irq_mask(struct irq_data *d) static void zx_irq_unmask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct zx_gpio *chip = to_zx(gc); + struct zx_gpio *chip = gpiochip_get_data(gc); u16 mask = BIT(irqd_to_hwirq(d) % ZX_GPIO_NR); u16 gpioie; @@ -245,10 +240,10 @@ static int zx_gpio_probe(struct platform_device *pdev) chip->gc.base = ZX_GPIO_NR * id; chip->gc.ngpio = ZX_GPIO_NR; chip->gc.label = dev_name(dev); - chip->gc.dev = dev; + chip->gc.parent = dev; chip->gc.owner = THIS_MODULE; - ret = gpiochip_add(&chip->gc); + ret = gpiochip_add_data(&chip->gc, chip); if (ret) return ret; diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 8abeacac5885..66d3d247d76d 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -131,11 +131,6 @@ struct zynq_platform_data { static struct irq_chip zynq_gpio_level_irqchip; static struct irq_chip zynq_gpio_edge_irqchip; -static struct zynq_gpio *to_zynq_gpio(struct gpio_chip *gc) -{ - return container_of(gc, struct zynq_gpio, chip); -} - /** * zynq_gpio_get_bank_pin - Get the bank number and pin number within that bank * for a given pin in the GPIO device @@ -183,7 +178,7 @@ static int zynq_gpio_get_value(struct gpio_chip *chip, unsigned int pin) { u32 data; unsigned int bank_num, bank_pin_num; - struct zynq_gpio *gpio = to_zynq_gpio(chip); + struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -207,7 +202,7 @@ static void zynq_gpio_set_value(struct gpio_chip *chip, unsigned int pin, int state) { unsigned int reg_offset, bank_num, bank_pin_num; - struct zynq_gpio *gpio = to_zynq_gpio(chip); + struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -244,7 +239,7 @@ static int zynq_gpio_dir_in(struct gpio_chip *chip, unsigned int pin) { u32 reg; unsigned int bank_num, bank_pin_num; - struct zynq_gpio *gpio = to_zynq_gpio(chip); + struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -277,7 +272,7 @@ static int zynq_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, { u32 reg; unsigned int bank_num, bank_pin_num; - struct zynq_gpio *gpio = to_zynq_gpio(chip); + struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -308,7 +303,7 @@ static void zynq_gpio_irq_mask(struct irq_data *irq_data) { unsigned int device_pin_num, bank_num, bank_pin_num; struct zynq_gpio *gpio = - to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); + gpiochip_get_data(irq_data_get_irq_chip_data(irq_data)); device_pin_num = irq_data->hwirq; zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio); @@ -329,7 +324,7 @@ static void zynq_gpio_irq_unmask(struct irq_data *irq_data) { unsigned int device_pin_num, bank_num, bank_pin_num; struct zynq_gpio *gpio = - to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); + gpiochip_get_data(irq_data_get_irq_chip_data(irq_data)); device_pin_num = irq_data->hwirq; zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio); @@ -349,7 +344,7 @@ static void zynq_gpio_irq_ack(struct irq_data *irq_data) { unsigned int device_pin_num, bank_num, bank_pin_num; struct zynq_gpio *gpio = - to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); + gpiochip_get_data(irq_data_get_irq_chip_data(irq_data)); device_pin_num = irq_data->hwirq; zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio); @@ -400,7 +395,7 @@ static int zynq_gpio_set_irq_type(struct irq_data *irq_data, unsigned int type) u32 int_type, int_pol, int_any; unsigned int device_pin_num, bank_num, bank_pin_num; struct zynq_gpio *gpio = - to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); + gpiochip_get_data(irq_data_get_irq_chip_data(irq_data)); device_pin_num = irq_data->hwirq; zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio); @@ -464,7 +459,7 @@ static int zynq_gpio_set_irq_type(struct irq_data *irq_data, unsigned int type) static int zynq_gpio_set_wake(struct irq_data *data, unsigned int on) { struct zynq_gpio *gpio = - to_zynq_gpio(irq_data_get_irq_chip_data(data)); + gpiochip_get_data(irq_data_get_irq_chip_data(data)); irq_set_irq_wake(gpio->irq, on); @@ -530,7 +525,7 @@ static void zynq_gpio_irqhandler(struct irq_desc *desc) u32 int_sts, int_enb; unsigned int bank_num; struct zynq_gpio *gpio = - to_zynq_gpio(irq_desc_get_handler_data(desc)); + gpiochip_get_data(irq_desc_get_handler_data(desc)); struct irq_chip *irqchip = irq_desc_get_chip(desc); chained_irq_enter(irqchip, desc); @@ -592,7 +587,7 @@ static int zynq_gpio_request(struct gpio_chip *chip, unsigned offset) { int ret; - ret = pm_runtime_get_sync(chip->dev); + ret = pm_runtime_get_sync(chip->parent); /* * If the device is already active pm_runtime_get() will return 1 on @@ -603,7 +598,7 @@ static int zynq_gpio_request(struct gpio_chip *chip, unsigned offset) static void zynq_gpio_free(struct gpio_chip *chip, unsigned offset) { - pm_runtime_put(chip->dev); + pm_runtime_put(chip->parent); } static const struct dev_pm_ops zynq_gpio_dev_pm_ops = { @@ -698,7 +693,7 @@ static int zynq_gpio_probe(struct platform_device *pdev) chip = &gpio->chip; chip->label = gpio->p_data->label; chip->owner = THIS_MODULE; - chip->dev = &pdev->dev; + chip->parent = &pdev->dev; chip->get = zynq_gpio_get_value; chip->set = zynq_gpio_set_value; chip->request = zynq_gpio_request; @@ -708,23 +703,23 @@ static int zynq_gpio_probe(struct platform_device *pdev) chip->base = -1; chip->ngpio = gpio->p_data->ngpio; - /* Enable GPIO clock */ + /* Retrieve GPIO clock */ gpio->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(gpio->clk)) { dev_err(&pdev->dev, "input clock not found.\n"); return PTR_ERR(gpio->clk); } - ret = clk_prepare_enable(gpio->clk); - if (ret) { - dev_err(&pdev->dev, "Unable to enable clock.\n"); + + pm_runtime_enable(&pdev->dev); + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) return ret; - } /* report a bug if gpio chip registration fails */ - ret = gpiochip_add(chip); + ret = gpiochip_add_data(chip, gpio); if (ret) { dev_err(&pdev->dev, "Failed to add gpio chip\n"); - goto err_disable_clk; + goto err_pm_put; } /* disable interrupts for all banks */ @@ -742,15 +737,14 @@ static int zynq_gpio_probe(struct platform_device *pdev) gpiochip_set_chained_irqchip(chip, &zynq_gpio_edge_irqchip, gpio->irq, zynq_gpio_irqhandler); - pm_runtime_set_active(&pdev->dev); - pm_runtime_enable(&pdev->dev); + pm_runtime_put(&pdev->dev); return 0; err_rm_gpiochip: gpiochip_remove(chip); -err_disable_clk: - clk_disable_unprepare(gpio->clk); +err_pm_put: + pm_runtime_put(&pdev->dev); return ret; } diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 16a7b6816744..540cbc88c7a2 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -51,10 +51,10 @@ struct acpi_gpio_chip { static int acpi_gpiochip_find(struct gpio_chip *gc, void *data) { - if (!gc->dev) + if (!gc->parent) return false; - return ACPI_HANDLE(gc->dev) == data; + return ACPI_HANDLE(gc->parent) == data; } #ifdef CONFIG_PINCTRL @@ -184,7 +184,7 @@ static acpi_status acpi_gpiochip_request_interrupt(struct acpi_resource *ares, if (agpio->connection_type != ACPI_RESOURCE_GPIO_TYPE_INT) return AE_OK; - handle = ACPI_HANDLE(chip->dev); + handle = ACPI_HANDLE(chip->parent); pin = agpio->pin_table[0]; if (pin <= 255) { @@ -208,7 +208,7 @@ static acpi_status acpi_gpiochip_request_interrupt(struct acpi_resource *ares, desc = gpiochip_request_own_desc(chip, pin, "ACPI:Event"); if (IS_ERR(desc)) { - dev_err(chip->dev, "Failed to request GPIO\n"); + dev_err(chip->parent, "Failed to request GPIO\n"); return AE_ERROR; } @@ -216,13 +216,13 @@ static acpi_status acpi_gpiochip_request_interrupt(struct acpi_resource *ares, ret = gpiochip_lock_as_irq(chip, pin); if (ret) { - dev_err(chip->dev, "Failed to lock GPIO as interrupt\n"); + dev_err(chip->parent, "Failed to lock GPIO as interrupt\n"); goto fail_free_desc; } irq = gpiod_to_irq(desc); if (irq < 0) { - dev_err(chip->dev, "Failed to translate GPIO to IRQ\n"); + dev_err(chip->parent, "Failed to translate GPIO to IRQ\n"); goto fail_unlock_irq; } @@ -259,7 +259,8 @@ static acpi_status acpi_gpiochip_request_interrupt(struct acpi_resource *ares, ret = request_threaded_irq(event->irq, NULL, handler, irqflags, "ACPI:Event", event); if (ret) { - dev_err(chip->dev, "Failed to setup interrupt handler for %d\n", + dev_err(chip->parent, + "Failed to setup interrupt handler for %d\n", event->irq); goto fail_free_event; } @@ -293,10 +294,10 @@ void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) acpi_handle handle; acpi_status status; - if (!chip->dev || !chip->to_irq) + if (!chip->parent || !chip->to_irq) return; - handle = ACPI_HANDLE(chip->dev); + handle = ACPI_HANDLE(chip->parent); if (!handle) return; @@ -323,10 +324,10 @@ void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) acpi_handle handle; acpi_status status; - if (!chip->dev || !chip->to_irq) + if (!chip->parent || !chip->to_irq) return; - handle = ACPI_HANDLE(chip->dev); + handle = ACPI_HANDLE(chip->parent); if (!handle) return; @@ -417,10 +418,15 @@ static int acpi_find_gpio(struct acpi_resource *ares, void *data) * ActiveLow is only specified for GpioInt resource. If * GpioIo is used then the only way to set the flag is * to use _DSD "gpios" property. + * Note: we expect here: + * - ACPI_ACTIVE_LOW == GPIO_ACTIVE_LOW + * - ACPI_ACTIVE_HIGH == GPIO_ACTIVE_HIGH */ - if (lookup->info.gpioint) - lookup->info.active_low = - agpio->polarity == ACPI_ACTIVE_LOW; + if (lookup->info.gpioint) { + lookup->info.polarity = agpio->polarity; + lookup->info.triggering = agpio->triggering; + } + } return 1; @@ -447,7 +453,7 @@ static int acpi_gpio_resource_lookup(struct acpi_gpio_lookup *lookup, if (info) { *info = lookup->info; if (lookup->active_low) - info->active_low = lookup->active_low; + info->polarity = lookup->active_low; } return 0; } @@ -595,6 +601,7 @@ struct gpio_desc *acpi_node_get_gpiod(struct fwnode_handle *fwnode, int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) { int idx, i; + unsigned int irq_flags; for (i = 0, idx = 0; idx <= index; i++) { struct acpi_gpio_info info; @@ -603,8 +610,23 @@ int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) desc = acpi_get_gpiod_by_index(adev, NULL, i, &info); if (IS_ERR(desc)) break; - if (info.gpioint && idx++ == index) - return gpiod_to_irq(desc); + if (info.gpioint && idx++ == index) { + int irq = gpiod_to_irq(desc); + + if (irq < 0) + return irq; + + irq_flags = acpi_dev_get_irq_type(info.triggering, + info.polarity); + + /* Set type if specified and different than the current one */ + if (irq_flags != IRQ_TYPE_NONE && + irq_flags != irq_get_trigger_type(irq)) + irq_set_irq_type(irq, irq_flags); + + return irq; + } + } return -ENOENT; } @@ -748,7 +770,7 @@ out: static void acpi_gpiochip_request_regions(struct acpi_gpio_chip *achip) { struct gpio_chip *chip = achip->chip; - acpi_handle handle = ACPI_HANDLE(chip->dev); + acpi_handle handle = ACPI_HANDLE(chip->parent); acpi_status status; INIT_LIST_HEAD(&achip->conns); @@ -757,20 +779,22 @@ static void acpi_gpiochip_request_regions(struct acpi_gpio_chip *achip) acpi_gpio_adr_space_handler, NULL, achip); if (ACPI_FAILURE(status)) - dev_err(chip->dev, "Failed to install GPIO OpRegion handler\n"); + dev_err(chip->parent, + "Failed to install GPIO OpRegion handler\n"); } static void acpi_gpiochip_free_regions(struct acpi_gpio_chip *achip) { struct gpio_chip *chip = achip->chip; - acpi_handle handle = ACPI_HANDLE(chip->dev); + acpi_handle handle = ACPI_HANDLE(chip->parent); struct acpi_gpio_connection *conn, *tmp; acpi_status status; status = acpi_remove_address_space_handler(handle, ACPI_ADR_SPACE_GPIO, acpi_gpio_adr_space_handler); if (ACPI_FAILURE(status)) { - dev_err(chip->dev, "Failed to remove GPIO OpRegion handler\n"); + dev_err(chip->parent, + "Failed to remove GPIO OpRegion handler\n"); return; } @@ -787,16 +811,16 @@ void acpi_gpiochip_add(struct gpio_chip *chip) acpi_handle handle; acpi_status status; - if (!chip || !chip->dev) + if (!chip || !chip->parent) return; - handle = ACPI_HANDLE(chip->dev); + handle = ACPI_HANDLE(chip->parent); if (!handle) return; acpi_gpio = kzalloc(sizeof(*acpi_gpio), GFP_KERNEL); if (!acpi_gpio) { - dev_err(chip->dev, + dev_err(chip->parent, "Failed to allocate memory for ACPI GPIO chip\n"); return; } @@ -806,7 +830,7 @@ void acpi_gpiochip_add(struct gpio_chip *chip) status = acpi_attach_data(handle, acpi_gpio_chip_dh, acpi_gpio); if (ACPI_FAILURE(status)) { - dev_err(chip->dev, "Failed to attach ACPI GPIO chip\n"); + dev_err(chip->parent, "Failed to attach ACPI GPIO chip\n"); kfree(acpi_gpio); return; } @@ -820,16 +844,16 @@ void acpi_gpiochip_remove(struct gpio_chip *chip) acpi_handle handle; acpi_status status; - if (!chip || !chip->dev) + if (!chip || !chip->parent) return; - handle = ACPI_HANDLE(chip->dev); + handle = ACPI_HANDLE(chip->parent); if (!handle) return; status = acpi_get_data(handle, acpi_gpio_chip_dh, (void **)&acpi_gpio); if (ACPI_FAILURE(status)) { - dev_warn(chip->dev, "Failed to retrieve ACPI GPIO chip\n"); + dev_warn(chip->parent, "Failed to retrieve ACPI GPIO chip\n"); return; } @@ -922,3 +946,46 @@ int acpi_gpio_count(struct device *dev, const char *con_id) } return count; } + +struct acpi_crs_lookup { + struct list_head node; + struct acpi_device *adev; + const char *con_id; +}; + +static DEFINE_MUTEX(acpi_crs_lookup_lock); +static LIST_HEAD(acpi_crs_lookup_list); + +bool acpi_can_fallback_to_crs(struct acpi_device *adev, const char *con_id) +{ + struct acpi_crs_lookup *l, *lookup = NULL; + + /* Never allow fallback if the device has properties */ + if (adev->data.properties || adev->driver_gpios) + return false; + + mutex_lock(&acpi_crs_lookup_lock); + + list_for_each_entry(l, &acpi_crs_lookup_list, node) { + if (l->adev == adev) { + lookup = l; + break; + } + } + + if (!lookup) { + lookup = kmalloc(sizeof(*lookup), GFP_KERNEL); + if (lookup) { + lookup->adev = adev; + lookup->con_id = con_id; + list_add_tail(&lookup->node, &acpi_crs_lookup_list); + } + } + + mutex_unlock(&acpi_crs_lookup_lock); + + return lookup && + ((!lookup->con_id && !con_id) || + (lookup->con_id && con_id && + strcmp(lookup->con_id, con_id) == 0)); +} diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 5fe34a9df3e6..42a4bb7cf49a 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -262,9 +262,10 @@ int of_gpio_simple_xlate(struct gpio_chip *gc, EXPORT_SYMBOL(of_gpio_simple_xlate); /** - * of_mm_gpiochip_add - Add memory mapped GPIO chip (bank) + * of_mm_gpiochip_add_data - Add memory mapped GPIO chip (bank) * @np: device node of the GPIO chip * @mm_gc: pointer to the of_mm_gpio_chip allocated structure + * @data: driver data to store in the struct gpio_chip * * To use this function you should allocate and fill mm_gc with: * @@ -280,8 +281,9 @@ EXPORT_SYMBOL(of_gpio_simple_xlate); * do all necessary work for you. Then you'll able to use .regs * to manage GPIOs from the callbacks. */ -int of_mm_gpiochip_add(struct device_node *np, - struct of_mm_gpio_chip *mm_gc) +int of_mm_gpiochip_add_data(struct device_node *np, + struct of_mm_gpio_chip *mm_gc, + void *data) { int ret = -ENOMEM; struct gpio_chip *gc = &mm_gc->gc; @@ -301,7 +303,7 @@ int of_mm_gpiochip_add(struct device_node *np, mm_gc->gc.of_node = np; - ret = gpiochip_add(gc); + ret = gpiochip_add_data(gc, data); if (ret) goto err2; @@ -315,7 +317,7 @@ err0: np->full_name, ret); return ret; } -EXPORT_SYMBOL(of_mm_gpiochip_add); +EXPORT_SYMBOL(of_mm_gpiochip_add_data); /** * of_mm_gpiochip_remove - Remove memory mapped GPIO chip (bank) @@ -423,8 +425,8 @@ int of_gpiochip_add(struct gpio_chip *chip) { int status; - if ((!chip->of_node) && (chip->dev)) - chip->of_node = chip->dev->of_node; + if ((!chip->of_node) && (chip->parent)) + chip->of_node = chip->parent->of_node; if (!chip->of_node) return 0; diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c index b57ed8e55ab5..405dfcaadc4c 100644 --- a/drivers/gpio/gpiolib-sysfs.c +++ b/drivers/gpio/gpiolib-sysfs.c @@ -605,7 +605,7 @@ int gpiod_export(struct gpio_desc *desc, bool direction_may_change) if (chip->names && chip->names[offset]) ioname = chip->names[offset]; - dev = device_create_with_groups(&gpio_class, chip->dev, + dev = device_create_with_groups(&gpio_class, chip->parent, MKDEV(0, 0), data, gpio_groups, ioname ? ioname : "gpio%u", desc_to_gpio(desc)); @@ -730,7 +730,8 @@ int gpiochip_sysfs_register(struct gpio_chip *chip) return 0; /* use chip->base for the ID; it's already known to be unique */ - dev = device_create_with_groups(&gpio_class, chip->dev, MKDEV(0, 0), + dev = device_create_with_groups(&gpio_class, chip->parent, + MKDEV(0, 0), chip, gpiochip_groups, "gpiochip%d", chip->base); if (IS_ERR(dev)) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 4e4c3083ae56..5c1ba879f889 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -182,39 +182,62 @@ EXPORT_SYMBOL_GPL(gpiod_get_direction); /* * Add a new chip to the global chips list, keeping the list of chips sorted - * by base order. + * by range(means [base, base + ngpio - 1]) order. * * Return -EBUSY if the new chip overlaps with some other chip's integer * space. */ static int gpiochip_add_to_list(struct gpio_chip *chip) { - struct list_head *pos; - struct gpio_chip *_chip; - int err = 0; + struct gpio_chip *iterator; + struct gpio_chip *previous = NULL; - /* find where to insert our chip */ - list_for_each(pos, &gpio_chips) { - _chip = list_entry(pos, struct gpio_chip, list); - /* shall we insert before _chip? */ - if (_chip->base >= chip->base + chip->ngpio) - break; + if (list_empty(&gpio_chips)) { + list_add_tail(&chip->list, &gpio_chips); + return 0; } - /* are we stepping on the chip right before? */ - if (pos != &gpio_chips && pos->prev != &gpio_chips) { - _chip = list_entry(pos->prev, struct gpio_chip, list); - if (_chip->base + _chip->ngpio > chip->base) { - dev_err(chip->dev, - "GPIO integer space overlap, cannot add chip\n"); - err = -EBUSY; + list_for_each_entry(iterator, &gpio_chips, list) { + if (iterator->base >= chip->base + chip->ngpio) { + /* + * Iterator is the first GPIO chip so there is no + * previous one + */ + if (!previous) { + goto found; + } else { + /* + * We found a valid range(means + * [base, base + ngpio - 1]) between previous + * and iterator chip. + */ + if (previous->base + previous->ngpio + <= chip->base) + goto found; + } } + previous = iterator; } - if (!err) - list_add_tail(&chip->list, pos); + /* + * We are beyond the last chip in the list and iterator now + * points to the head. + * Let iterator point to the last chip in the list. + */ - return err; + iterator = list_last_entry(&gpio_chips, struct gpio_chip, list); + if (iterator->base + iterator->ngpio <= chip->base) { + list_add(&chip->list, &iterator->list); + return 0; + } + + dev_err(chip->parent, + "GPIO integer space overlap, cannot add chip\n"); + return -EBUSY; + +found: + list_add_tail(&chip->list, &iterator->list); + return 0; } /** @@ -252,7 +275,7 @@ static struct gpio_desc *gpio_name_to_desc(const char * const name) * Takes the names from gc->names and checks if they are all unique. If they * are, they are assigned to their gpio descriptors. * - * Returns -EEXIST if one of the names is already used for a different GPIO. + * Warning if one of the names is already used for a different GPIO. */ static int gpiochip_set_desc_names(struct gpio_chip *gc) { @@ -267,7 +290,7 @@ static int gpiochip_set_desc_names(struct gpio_chip *gc) gpio = gpio_name_to_desc(gc->names[i]); if (gpio) - dev_warn(gc->dev, "Detected name collision for " + dev_warn(gc->parent, "Detected name collision for " "GPIO name '%s'\n", gc->names[i]); } @@ -280,7 +303,7 @@ static int gpiochip_set_desc_names(struct gpio_chip *gc) } /** - * gpiochip_add() - register a gpio_chip + * gpiochip_add_data() - register a gpio_chip * @chip: the chip to register, with chip->base initialized * Context: potentially before irqs will work * @@ -288,15 +311,15 @@ static int gpiochip_set_desc_names(struct gpio_chip *gc) * because the chip->base is invalid or already associated with a * different chip. Otherwise it returns zero as a success code. * - * When gpiochip_add() is called very early during boot, so that GPIOs - * can be freely used, the chip->dev device must be registered before + * When gpiochip_add_data() is called very early during boot, so that GPIOs + * can be freely used, the chip->parent device must be registered before * the gpio framework's arch_initcall(). Otherwise sysfs initialization * for GPIOs will fail rudely. * * If chip->base is negative, this requests dynamic assignment of * a range of valid GPIOs. */ -int gpiochip_add(struct gpio_chip *chip) +int gpiochip_add_data(struct gpio_chip *chip, void *data) { unsigned long flags; int status = 0; @@ -308,6 +331,13 @@ int gpiochip_add(struct gpio_chip *chip) if (!descs) return -ENOMEM; + chip->data = data; + + if (chip->ngpio == 0) { + chip_err(chip, "tried to insert a GPIO chip with zero lines\n"); + return -EINVAL; + } + spin_lock_irqsave(&gpio_lock, flags); if (base < 0) { @@ -348,8 +378,8 @@ int gpiochip_add(struct gpio_chip *chip) INIT_LIST_HEAD(&chip->pin_ranges); #endif - if (!chip->owner && chip->dev && chip->dev->driver) - chip->owner = chip->dev->driver->owner; + if (!chip->owner && chip->parent && chip->parent->driver) + chip->owner = chip->parent->driver->owner; status = gpiochip_set_desc_names(chip); if (status) @@ -389,7 +419,7 @@ err_free_descs: chip->label ? : "generic"); return status; } -EXPORT_SYMBOL_GPL(gpiochip_add); +EXPORT_SYMBOL_GPL(gpiochip_add_data); /** * gpiochip_remove() - unregister a gpio_chip @@ -424,7 +454,8 @@ void gpiochip_remove(struct gpio_chip *chip) spin_unlock_irqrestore(&gpio_lock, flags); if (requested) - dev_crit(chip->dev, "REMOVING GPIOCHIP WITH GPIOS STILL REQUESTED\n"); + dev_crit(chip->parent, + "REMOVING GPIOCHIP WITH GPIOS STILL REQUESTED\n"); kfree(chip->desc); chip->desc = NULL; @@ -659,7 +690,7 @@ static void gpiochip_irqchip_remove(struct gpio_chip *gpiochip) * gpiochip, providing an irq domain to translate the local IRQs to * global irqs in the gpiolib core, and making sure that the gpiochip * is passed as chip data to all related functions. Driver callbacks - * need to use container_of() to get their local state containers back + * need to use gpiochip_get_data() to get their local state containers back * from the gpiochip passed as chip data. An irqdomain will be stored * in the gpiochip that shall be used by the driver to handle IRQ number * translation. The gpiochip will need to be initialized and registered @@ -683,15 +714,16 @@ int _gpiochip_irqchip_add(struct gpio_chip *gpiochip, if (!gpiochip || !irqchip) return -EINVAL; - if (!gpiochip->dev) { + if (!gpiochip->parent) { pr_err("missing gpiochip .dev parent pointer\n"); return -EINVAL; } - of_node = gpiochip->dev->of_node; + of_node = gpiochip->parent->of_node; #ifdef CONFIG_OF_GPIO /* * If the gpiochip has an assigned OF node this takes precedence - * FIXME: get rid of this and use gpiochip->dev->of_node everywhere + * FIXME: get rid of this and use gpiochip->parent->of_node + * everywhere */ if (gpiochip->of_node) of_node = gpiochip->of_node; @@ -1279,13 +1311,7 @@ static int _gpiod_get_raw_value(const struct gpio_desc *desc) chip = desc->chip; offset = gpio_chip_hwgpio(desc); value = chip->get ? chip->get(chip, offset) : -EIO; - /* - * FIXME: fix all drivers to clamp to [0,1] or return negative, - * then change this to: - * value = value < 0 ? value : !!value; - * so we can properly propagate error codes. - */ - value = !!value; + value = value < 0 ? value : !!value; trace_gpio_value(desc_to_gpio(desc), 1, value); return value; } @@ -1874,12 +1900,15 @@ static struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id, /* Then from plain _CRS GPIOs */ if (IS_ERR(desc)) { + if (!acpi_can_fallback_to_crs(adev, con_id)) + return ERR_PTR(-ENOENT); + desc = acpi_get_gpiod_by_index(adev, NULL, idx, &info); if (IS_ERR(desc)) return desc; } - if (info.active_low) + if (info.polarity == GPIO_ACTIVE_LOW) *flags |= GPIO_ACTIVE_LOW; return desc; @@ -2217,7 +2246,7 @@ struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode, desc = acpi_node_get_gpiod(fwnode, propname, 0, &info); if (!IS_ERR(desc)) - active_low = info.active_low; + active_low = info.polarity == GPIO_ACTIVE_LOW; } if (IS_ERR(desc)) @@ -2509,7 +2538,7 @@ static int gpiolib_seq_show(struct seq_file *s, void *v) seq_printf(s, "%sGPIOs %d-%d", (char *)s->private, chip->base, chip->base + chip->ngpio - 1); - dev = chip->dev; + dev = chip->parent; if (dev) seq_printf(s, ", %s/%s", dev->bus ? dev->bus->name : "no-bus", dev_name(dev)); diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index 98ab08c0aa2d..99ed3b00ffe9 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -16,7 +16,7 @@ #include <linux/device.h> enum of_gpio_flags; - +enum gpiod_flags; struct acpi_device; /** @@ -26,7 +26,8 @@ struct acpi_device; */ struct acpi_gpio_info { bool gpioint; - bool active_low; + int polarity; + int triggering; }; /* gpio suffixes used for ACPI and device tree lookup */ @@ -47,6 +48,8 @@ struct gpio_desc *acpi_node_get_gpiod(struct fwnode_handle *fwnode, struct acpi_gpio_info *info); int acpi_gpio_count(struct device *dev, const char *con_id); + +bool acpi_can_fallback_to_crs(struct acpi_device *adev, const char *con_id); #else static inline void acpi_gpiochip_add(struct gpio_chip *chip) { } static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { } @@ -73,6 +76,12 @@ static inline int acpi_gpio_count(struct device *dev, const char *con_id) { return -ENODEV; } + +static inline bool acpi_can_fallback_to_crs(struct acpi_device *adev, + const char *con_id) +{ + return false; +} #endif struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np, |