diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/misc/Makefile | 1 | ||||
| -rw-r--r-- | drivers/misc/ab8500-pwm.c | 169 | ||||
| -rw-r--r-- | drivers/misc/carma/carma-fpga.c | 2 | ||||
| -rw-r--r-- | drivers/misc/ibmasm/uart.c | 16 | ||||
| -rw-r--r-- | drivers/misc/ioc4.c | 2 | ||||
| -rw-r--r-- | drivers/misc/pti.c | 128 | ||||
| -rw-r--r-- | drivers/misc/sgi-gru/grufile.c | 5 |
8 files changed, 70 insertions, 263 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 99c73352c430..b151b7c1bd59 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -60,16 +60,6 @@ config ATMEL_PWM purposes including software controlled power-efficient backlights on LCD displays, motor control, and waveform generation. -config AB8500_PWM - bool "AB8500 PWM support" - depends on AB8500_CORE && ARCH_U8500 - select HAVE_PWM - depends on !PWM - help - This driver exports functions to enable/disble/config/free Pulse - Width Modulation in the Analog Baseband Chip AB8500. - It is used by led and backlight driver to control the intensity. - config ATMEL_TCLIB bool "Atmel AT32/AT91 Timer/Counter Library" depends on (AVR32 || ARCH_AT91) diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index b88df7a350b8..2129377c0de6 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -44,7 +44,6 @@ obj-$(CONFIG_VMWARE_BALLOON) += vmw_balloon.o obj-$(CONFIG_ARM_CHARLCD) += arm-charlcd.o obj-$(CONFIG_PCH_PHUB) += pch_phub.o obj-y += ti-st/ -obj-$(CONFIG_AB8500_PWM) += ab8500-pwm.o obj-y += lis3lv02d/ obj-y += carma/ obj-$(CONFIG_USB_SWITCH_FSA9480) += fsa9480.o diff --git a/drivers/misc/ab8500-pwm.c b/drivers/misc/ab8500-pwm.c deleted file mode 100644 index d7a9aa14e5d5..000000000000 --- a/drivers/misc/ab8500-pwm.c +++ /dev/null @@ -1,169 +0,0 @@ -/* - * Copyright (C) ST-Ericsson SA 2010 - * - * Author: Arun R Murthy <arun.murthy@stericsson.com> - * License terms: GNU General Public License (GPL) version 2 - */ -#include <linux/err.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/pwm.h> -#include <linux/mfd/abx500.h> -#include <linux/mfd/abx500/ab8500.h> -#include <linux/module.h> - -/* - * PWM Out generators - * Bank: 0x10 - */ -#define AB8500_PWM_OUT_CTRL1_REG 0x60 -#define AB8500_PWM_OUT_CTRL2_REG 0x61 -#define AB8500_PWM_OUT_CTRL7_REG 0x66 - -/* backlight driver constants */ -#define ENABLE_PWM 1 -#define DISABLE_PWM 0 - -struct pwm_device { - struct device *dev; - struct list_head node; - const char *label; - unsigned int pwm_id; -}; - -static LIST_HEAD(pwm_list); - -int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) -{ - int ret = 0; - unsigned int higher_val, lower_val; - u8 reg; - - /* - * get the first 8 bits that are be written to - * AB8500_PWM_OUT_CTRL1_REG[0:7] - */ - lower_val = duty_ns & 0x00FF; - /* - * get bits [9:10] that are to be written to - * AB8500_PWM_OUT_CTRL2_REG[0:1] - */ - higher_val = ((duty_ns & 0x0300) >> 8); - - reg = AB8500_PWM_OUT_CTRL1_REG + ((pwm->pwm_id - 1) * 2); - - ret = abx500_set_register_interruptible(pwm->dev, AB8500_MISC, - reg, (u8)lower_val); - if (ret < 0) - return ret; - ret = abx500_set_register_interruptible(pwm->dev, AB8500_MISC, - (reg + 1), (u8)higher_val); - - return ret; -} -EXPORT_SYMBOL(pwm_config); - -int pwm_enable(struct pwm_device *pwm) -{ - int ret; - - ret = abx500_mask_and_set_register_interruptible(pwm->dev, - AB8500_MISC, AB8500_PWM_OUT_CTRL7_REG, - 1 << (pwm->pwm_id-1), ENABLE_PWM); - if (ret < 0) - dev_err(pwm->dev, "%s: Failed to disable PWM, Error %d\n", - pwm->label, ret); - return ret; -} -EXPORT_SYMBOL(pwm_enable); - -void pwm_disable(struct pwm_device *pwm) -{ - int ret; - - ret = abx500_mask_and_set_register_interruptible(pwm->dev, - AB8500_MISC, AB8500_PWM_OUT_CTRL7_REG, - 1 << (pwm->pwm_id-1), DISABLE_PWM); - if (ret < 0) - dev_err(pwm->dev, "%s: Failed to disable PWM, Error %d\n", - pwm->label, ret); - return; -} -EXPORT_SYMBOL(pwm_disable); - -struct pwm_device *pwm_request(int pwm_id, const char *label) -{ - struct pwm_device *pwm; - - list_for_each_entry(pwm, &pwm_list, node) { - if (pwm->pwm_id == pwm_id) { - pwm->label = label; - pwm->pwm_id = pwm_id; - return pwm; - } - } - - return ERR_PTR(-ENOENT); -} -EXPORT_SYMBOL(pwm_request); - -void pwm_free(struct pwm_device *pwm) -{ - pwm_disable(pwm); -} -EXPORT_SYMBOL(pwm_free); - -static int __devinit ab8500_pwm_probe(struct platform_device *pdev) -{ - struct pwm_device *pwm; - /* - * Nothing to be done in probe, this is required to get the - * device which is required for ab8500 read and write - */ - pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL); - if (pwm == NULL) { - dev_err(&pdev->dev, "failed to allocate memory\n"); - return -ENOMEM; - } - pwm->dev = &pdev->dev; - pwm->pwm_id = pdev->id; - list_add_tail(&pwm->node, &pwm_list); - platform_set_drvdata(pdev, pwm); - dev_dbg(pwm->dev, "pwm probe successful\n"); - return 0; -} - -static int __devexit ab8500_pwm_remove(struct platform_device *pdev) -{ - struct pwm_device *pwm = platform_get_drvdata(pdev); - list_del(&pwm->node); - dev_dbg(&pdev->dev, "pwm driver removed\n"); - kfree(pwm); - return 0; -} - -static struct platform_driver ab8500_pwm_driver = { - .driver = { - .name = "ab8500-pwm", - .owner = THIS_MODULE, - }, - .probe = ab8500_pwm_probe, - .remove = __devexit_p(ab8500_pwm_remove), -}; - -static int __init ab8500_pwm_init(void) -{ - return platform_driver_register(&ab8500_pwm_driver); -} - -static void __exit ab8500_pwm_exit(void) -{ - platform_driver_unregister(&ab8500_pwm_driver); -} - -subsys_initcall(ab8500_pwm_init); -module_exit(ab8500_pwm_exit); -MODULE_AUTHOR("Arun MURTHY <arun.murthy@stericsson.com>"); -MODULE_DESCRIPTION("AB8500 Pulse Width Modulation Driver"); -MODULE_ALIAS("platform:ab8500-pwm"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/misc/carma/carma-fpga.c b/drivers/misc/carma/carma-fpga.c index 0c43297ed9ac..8835eabb3b87 100644 --- a/drivers/misc/carma/carma-fpga.c +++ b/drivers/misc/carma/carma-fpga.c @@ -1243,8 +1243,6 @@ static int data_mmap(struct file *filp, struct vm_area_struct *vma) return -EINVAL; } - /* IO memory (stop cacheing) */ - vma->vm_flags |= VM_IO | VM_RESERVED; vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); return io_remap_pfn_range(vma, vma->vm_start, addr, vsize, diff --git a/drivers/misc/ibmasm/uart.c b/drivers/misc/ibmasm/uart.c index 1dcb9ae1905a..01e2b0d7e590 100644 --- a/drivers/misc/ibmasm/uart.c +++ b/drivers/misc/ibmasm/uart.c @@ -33,7 +33,7 @@ void ibmasm_register_uart(struct service_processor *sp) { - struct uart_port uport; + struct uart_8250_port uart; void __iomem *iomem_base; iomem_base = sp->base_address + SCOUT_COM_B_BASE; @@ -47,14 +47,14 @@ void ibmasm_register_uart(struct service_processor *sp) return; } - memset(&uport, 0, sizeof(struct uart_port)); - uport.irq = sp->irq; - uport.uartclk = 3686400; - uport.flags = UPF_SHARE_IRQ; - uport.iotype = UPIO_MEM; - uport.membase = iomem_base; + memset(&uart, 0, sizeof(uart)); + uart.port.irq = sp->irq; + uart.port.uartclk = 3686400; + uart.port.flags = UPF_SHARE_IRQ; + uart.port.iotype = UPIO_MEM; + uart.port.membase = iomem_base; - sp->serial_line = serial8250_register_port(&uport); + sp->serial_line = serial8250_register_8250_port(&uart); if (sp->serial_line < 0) { dev_err(sp->dev, "Failed to register serial port\n"); return; diff --git a/drivers/misc/ioc4.c b/drivers/misc/ioc4.c index df03dd3bd0e2..6a7710603a90 100644 --- a/drivers/misc/ioc4.c +++ b/drivers/misc/ioc4.c @@ -487,7 +487,7 @@ static void __exit ioc4_exit(void) { /* Ensure ioc4_load_modules() has completed before exiting */ - flush_work_sync(&ioc4_load_modules_work); + flush_work(&ioc4_load_modules_work); pci_unregister_driver(&ioc4_driver); } diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c index b7eb545394b1..4999b34b7a60 100644 --- a/drivers/misc/pti.c +++ b/drivers/misc/pti.c @@ -60,7 +60,7 @@ struct pti_tty { }; struct pti_dev { - struct tty_port port; + struct tty_port port[PTITTY_MINOR_NUM]; unsigned long pti_addr; unsigned long aperture_base; void __iomem *pti_ioaddr; @@ -76,7 +76,7 @@ struct pti_dev { */ static DEFINE_MUTEX(alloclock); -static struct pci_device_id pci_ids[] __devinitconst = { +static const struct pci_device_id pci_ids[] __devinitconst = { {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x82B)}, {0} }; @@ -393,25 +393,6 @@ void pti_writedata(struct pti_masterchannel *mc, u8 *buf, int count) } EXPORT_SYMBOL_GPL(pti_writedata); -/** - * pti_pci_remove()- Driver exit method to remove PTI from - * PCI bus. - * @pdev: variable containing pci info of PTI. - */ -static void __devexit pti_pci_remove(struct pci_dev *pdev) -{ - struct pti_dev *drv_data; - - drv_data = pci_get_drvdata(pdev); - if (drv_data != NULL) { - pci_iounmap(pdev, drv_data->pti_ioaddr); - pci_set_drvdata(pdev, NULL); - kfree(drv_data); - pci_release_region(pdev, 1); - pci_disable_device(pdev); - } -} - /* * for the tty_driver_*() basic function descriptions, see tty_driver.h. * Specific header comments made for PTI-related specifics. @@ -446,7 +427,7 @@ static int pti_tty_driver_open(struct tty_struct *tty, struct file *filp) * also removes a locking requirement for the actual write * procedure. */ - return tty_port_open(&drv_data->port, tty, filp); + return tty_port_open(tty->port, tty, filp); } /** @@ -462,7 +443,7 @@ static int pti_tty_driver_open(struct tty_struct *tty, struct file *filp) */ static void pti_tty_driver_close(struct tty_struct *tty, struct file *filp) { - tty_port_close(&drv_data->port, tty, filp); + tty_port_close(tty->port, tty, filp); } /** @@ -818,6 +799,7 @@ static const struct tty_port_operations tty_port_ops = { static int __devinit pti_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { + unsigned int a; int retval = -EINVAL; int pci_bar = 1; @@ -830,7 +812,7 @@ static int __devinit pti_pci_probe(struct pci_dev *pdev, __func__, __LINE__); pr_err("%s(%d): Error value returned: %d\n", __func__, __LINE__, retval); - return retval; + goto err; } retval = pci_enable_device(pdev); @@ -838,17 +820,16 @@ static int __devinit pti_pci_probe(struct pci_dev *pdev, dev_err(&pdev->dev, "%s: pci_enable_device() returned error %d\n", __func__, retval); - return retval; + goto err_unreg_misc; } drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL); - if (drv_data == NULL) { retval = -ENOMEM; dev_err(&pdev->dev, "%s(%d): kmalloc() returned NULL memory.\n", __func__, __LINE__); - return retval; + goto err_disable_pci; } drv_data->pti_addr = pci_resource_start(pdev, pci_bar); @@ -857,33 +838,65 @@ static int __devinit pti_pci_probe(struct pci_dev *pdev, dev_err(&pdev->dev, "%s(%d): pci_request_region() returned error %d\n", __func__, __LINE__, retval); - kfree(drv_data); - return retval; + goto err_free_dd; } drv_data->aperture_base = drv_data->pti_addr+APERTURE_14; drv_data->pti_ioaddr = ioremap_nocache((u32)drv_data->aperture_base, APERTURE_LEN); if (!drv_data->pti_ioaddr) { - pci_release_region(pdev, pci_bar); retval = -ENOMEM; - kfree(drv_data); - return retval; + goto err_rel_reg; } pci_set_drvdata(pdev, drv_data); - tty_port_init(&drv_data->port); - drv_data->port.ops = &tty_port_ops; + for (a = 0; a < PTITTY_MINOR_NUM; a++) { + struct tty_port *port = &drv_data->port[a]; + tty_port_init(port); + port->ops = &tty_port_ops; - tty_register_device(pti_tty_driver, 0, &pdev->dev); - tty_register_device(pti_tty_driver, 1, &pdev->dev); + tty_port_register_device(port, pti_tty_driver, a, &pdev->dev); + } register_console(&pti_console); + return 0; +err_rel_reg: + pci_release_region(pdev, pci_bar); +err_free_dd: + kfree(drv_data); +err_disable_pci: + pci_disable_device(pdev); +err_unreg_misc: + misc_deregister(&pti_char_driver); +err: return retval; } +/** + * pti_pci_remove()- Driver exit method to remove PTI from + * PCI bus. + * @pdev: variable containing pci info of PTI. + */ +static void __devexit pti_pci_remove(struct pci_dev *pdev) +{ + struct pti_dev *drv_data = pci_get_drvdata(pdev); + + unregister_console(&pti_console); + + tty_unregister_device(pti_tty_driver, 0); + tty_unregister_device(pti_tty_driver, 1); + + iounmap(drv_data->pti_ioaddr); + pci_set_drvdata(pdev, NULL); + kfree(drv_data); + pci_release_region(pdev, 1); + pci_disable_device(pdev); + + misc_deregister(&pti_char_driver); +} + static struct pci_driver pti_pci_driver = { .name = PCINAME, .id_table = pci_ids, @@ -933,25 +946,24 @@ static int __init pti_init(void) pr_err("%s(%d): Error value returned: %d\n", __func__, __LINE__, retval); - pti_tty_driver = NULL; - return retval; + goto put_tty; } retval = pci_register_driver(&pti_pci_driver); - if (retval) { pr_err("%s(%d): PCI registration failed of pti driver\n", __func__, __LINE__); pr_err("%s(%d): Error value returned: %d\n", __func__, __LINE__, retval); - - tty_unregister_driver(pti_tty_driver); - pr_err("%s(%d): Unregistering TTY part of pti driver\n", - __func__, __LINE__); - pti_tty_driver = NULL; - return retval; + goto unreg_tty; } + return 0; +unreg_tty: + tty_unregister_driver(pti_tty_driver); +put_tty: + put_tty_driver(pti_tty_driver); + pti_tty_driver = NULL; return retval; } @@ -960,31 +972,9 @@ static int __init pti_init(void) */ static void __exit pti_exit(void) { - int retval; - - tty_unregister_device(pti_tty_driver, 0); - tty_unregister_device(pti_tty_driver, 1); - - retval = tty_unregister_driver(pti_tty_driver); - if (retval) { - pr_err("%s(%d): TTY unregistration failed of pti driver\n", - __func__, __LINE__); - pr_err("%s(%d): Error value returned: %d\n", - __func__, __LINE__, retval); - } - + tty_unregister_driver(pti_tty_driver); pci_unregister_driver(&pti_pci_driver); - - retval = misc_deregister(&pti_char_driver); - if (retval) { - pr_err("%s(%d): CHAR unregistration failed of pti driver\n", - __func__, __LINE__); - pr_err("%s(%d): Error value returned: %d\n", - __func__, __LINE__, retval); - } - - unregister_console(&pti_console); - return; + put_tty_driver(pti_tty_driver); } module_init(pti_init); diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c index ecafa4ba238b..492c8cac69ac 100644 --- a/drivers/misc/sgi-gru/grufile.c +++ b/drivers/misc/sgi-gru/grufile.c @@ -108,9 +108,8 @@ static int gru_file_mmap(struct file *file, struct vm_area_struct *vma) vma->vm_end & (GRU_GSEG_PAGESIZE - 1)) return -EINVAL; - vma->vm_flags |= - (VM_IO | VM_DONTCOPY | VM_LOCKED | VM_DONTEXPAND | VM_PFNMAP | - VM_RESERVED); + vma->vm_flags |= VM_IO | VM_PFNMAP | VM_LOCKED | + VM_DONTCOPY | VM_DONTEXPAND | VM_DONTDUMP; vma->vm_page_prot = PAGE_SHARED; vma->vm_ops = &gru_vm_ops; |