diff options
Diffstat (limited to 'drivers/mfd/htc-i2cpld.c')
| -rw-r--r-- | drivers/mfd/htc-i2cpld.c | 60 |
1 files changed, 28 insertions, 32 deletions
diff --git a/drivers/mfd/htc-i2cpld.c b/drivers/mfd/htc-i2cpld.c index 417b0355d904..b45b1346ab54 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; } @@ -352,7 +354,7 @@ static int htcpld_register_chip_i2c( memset(&info, 0, sizeof(struct i2c_board_info)); info.addr = plat_chip_data->addr; - strlcpy(info.type, "htcpld-chip", I2C_NAME_SIZE); + strscpy(info.type, "htcpld-chip", I2C_NAME_SIZE); info.platform_data = chip; /* Add the I2C device. This calls the probe() function. */ @@ -562,34 +564,28 @@ 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 (IS_ERR(htcpld->int_reset_gpio_hi)) { + /* + * If it failed, that sucks, but we can probably + * continue on without it. + */ + htcpld->int_reset_gpio_hi = NULL; + 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 (IS_ERR(htcpld->int_reset_gpio_lo)) { + /* + * If it failed, that sucks, but we can probably + * continue on without it. + */ + htcpld->int_reset_gpio_lo = NULL; + dev_warn(dev, "Unable to request int_reset_gpio_lo -- interrupts may not work\n"); } dev_info(dev, "Initialized successfully\n"); |