diff options
| -rw-r--r-- | arch/arm/mach-omap1/board-htcherald.c | 9 | ||||
| -rw-r--r-- | drivers/mfd/htc-i2cpld.c | 59 | ||||
| -rw-r--r-- | include/linux/htcpld.h | 2 |
3 files changed, 26 insertions, 44 deletions
diff --git a/arch/arm/mach-omap1/board-htcherald.c b/arch/arm/mach-omap1/board-htcherald.c index ec049cee49c6..291d294b5824 100644 --- a/arch/arm/mach-omap1/board-htcherald.c +++ b/arch/arm/mach-omap1/board-htcherald.c @@ -141,13 +141,6 @@ #define HTCPLD_GPIO_DOWN_DPAD HTCPLD_BASE(7, 4) #define HTCPLD_GPIO_ENTER_DPAD HTCPLD_BASE(7, 3) -/* - * The htcpld chip requires a gpio write to a specific line - * to re-enable interrupts after one has occurred. - */ -#define HTCPLD_GPIO_INT_RESET_HI HTCPLD_BASE(2, 7) -#define HTCPLD_GPIO_INT_RESET_LO HTCPLD_BASE(2, 0) - /* Chip 5 */ #define HTCPLD_IRQ_RIGHT_KBD HTCPLD_IRQ(0, 7) #define HTCPLD_IRQ_UP_KBD HTCPLD_IRQ(0, 6) @@ -348,8 +341,6 @@ static struct htcpld_chip_platform_data htcpld_chips[] = { }; static struct htcpld_core_platform_data htcpld_pfdata = { - .int_reset_gpio_hi = HTCPLD_GPIO_INT_RESET_HI, - .int_reset_gpio_lo = HTCPLD_GPIO_INT_RESET_LO, .i2c_adapter_id = 1, .chip = htcpld_chips, diff --git a/drivers/mfd/htc-i2cpld.c b/drivers/mfd/htc-i2cpld.c index 9232b4ba034d..97d47715aa97 100644 --- a/drivers/mfd/htc-i2cpld.c +++ b/drivers/mfd/htc-i2cpld.c @@ -20,7 +20,9 @@ #include <linux/irq.h> #include <linux/spinlock.h> #include <linux/htcpld.h> -#include <linux/gpio.h> +#include <linux/gpio/driver.h> +#include <linux/gpio/machine.h> +#include <linux/gpio/consumer.h> #include <linux/slab.h> struct htcpld_chip { @@ -58,8 +60,8 @@ struct htcpld_data { uint irq_start; int nirqs; uint chained_irq; - unsigned int int_reset_gpio_hi; - unsigned int int_reset_gpio_lo; + struct gpio_desc *int_reset_gpio_hi; + struct gpio_desc *int_reset_gpio_lo; /* htcpld info */ struct htcpld_chip *chip; @@ -196,9 +198,9 @@ static irqreturn_t htcpld_handler(int irq, void *dev) * be asserted. */ if (htcpld->int_reset_gpio_hi) - gpio_set_value(htcpld->int_reset_gpio_hi, 1); + gpiod_set_value(htcpld->int_reset_gpio_hi, 1); if (htcpld->int_reset_gpio_lo) - gpio_set_value(htcpld->int_reset_gpio_lo, 0); + gpiod_set_value(htcpld->int_reset_gpio_lo, 0); return IRQ_HANDLED; } @@ -562,35 +564,26 @@ static int htcpld_core_probe(struct platform_device *pdev) return ret; /* Request the GPIO(s) for the int reset and set them up */ - if (pdata->int_reset_gpio_hi) { - ret = gpio_request(pdata->int_reset_gpio_hi, "htcpld-core"); - if (ret) { - /* - * If it failed, that sucks, but we can probably - * continue on without it. - */ - dev_warn(dev, "Unable to request int_reset_gpio_hi -- interrupts may not work\n"); - htcpld->int_reset_gpio_hi = 0; - } else { - htcpld->int_reset_gpio_hi = pdata->int_reset_gpio_hi; - gpio_set_value(htcpld->int_reset_gpio_hi, 1); - } - } + htcpld->int_reset_gpio_hi = gpiochip_request_own_desc(&htcpld->chip[2].chip_out, + 7, "htcpld-core", GPIO_ACTIVE_HIGH, + GPIOD_OUT_HIGH); + if (!htcpld->int_reset_gpio_hi) + /* + * If it failed, that sucks, but we can probably + * continue on without it. + */ + dev_warn(dev, "Unable to request int_reset_gpio_hi -- interrupts may not work\n"); - if (pdata->int_reset_gpio_lo) { - ret = gpio_request(pdata->int_reset_gpio_lo, "htcpld-core"); - if (ret) { - /* - * If it failed, that sucks, but we can probably - * continue on without it. - */ - dev_warn(dev, "Unable to request int_reset_gpio_lo -- interrupts may not work\n"); - htcpld->int_reset_gpio_lo = 0; - } else { - htcpld->int_reset_gpio_lo = pdata->int_reset_gpio_lo; - gpio_set_value(htcpld->int_reset_gpio_lo, 0); - } - } + + htcpld->int_reset_gpio_lo = gpiochip_request_own_desc(&htcpld->chip[2].chip_out, + 0, "htcpld-core", GPIO_ACTIVE_HIGH, + GPIOD_OUT_LOW); + if (!htcpld->int_reset_gpio_lo) + /* + * If it failed, that sucks, but we can probably + * continue on without it. + */ + dev_warn(dev, "Unable to request int_reset_gpio_lo -- interrupts may not work\n"); dev_info(dev, "Initialized successfully\n"); return 0; diff --git a/include/linux/htcpld.h b/include/linux/htcpld.h index 842fce69ac06..5f8ac9b1d724 100644 --- a/include/linux/htcpld.h +++ b/include/linux/htcpld.h @@ -13,8 +13,6 @@ struct htcpld_chip_platform_data { }; struct htcpld_core_platform_data { - unsigned int int_reset_gpio_hi; - unsigned int int_reset_gpio_lo; unsigned int i2c_adapter_id; struct htcpld_chip_platform_data *chip; |