diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-s3c2410.c')
-rw-r--r-- | drivers/i2c/busses/i2c-s3c2410.c | 47 |
1 files changed, 9 insertions, 38 deletions
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index c9510d085c34..d97fb857b0ea 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -24,7 +24,7 @@ #include <linux/slab.h> #include <linux/io.h> #include <linux/of.h> -#include <linux/of_gpio.h> +#include <linux/gpio/consumer.h> #include <linux/pinctrl/consumer.h> #include <linux/mfd/syscon.h> #include <linux/regmap.h> @@ -113,7 +113,7 @@ struct s3c24xx_i2c { struct i2c_adapter adap; struct s3c2410_platform_i2c *pdata; - int gpios[2]; + struct gpio_desc *gpios[2]; struct pinctrl *pctrl; #if defined(CONFIG_ARM_S3C24XX_CPUFREQ) struct notifier_block freq_transition; @@ -947,53 +947,27 @@ static inline void s3c24xx_i2c_deregister_cpufreq(struct s3c24xx_i2c *i2c) #ifdef CONFIG_OF static int s3c24xx_i2c_parse_dt_gpio(struct s3c24xx_i2c *i2c) { - int idx, gpio, ret; + int i; if (i2c->quirks & QUIRK_NO_GPIO) return 0; - for (idx = 0; idx < 2; idx++) { - gpio = of_get_gpio(i2c->dev->of_node, idx); - if (!gpio_is_valid(gpio)) { - dev_err(i2c->dev, "invalid gpio[%d]: %d\n", idx, gpio); - goto free_gpio; - } - i2c->gpios[idx] = gpio; - - ret = gpio_request(gpio, "i2c-bus"); - if (ret) { - dev_err(i2c->dev, "gpio [%d] request failed (%d)\n", - gpio, ret); - goto free_gpio; + for (i = 0; i < 2; i++) { + i2c->gpios[i] = devm_gpiod_get_index(i2c->dev, NULL, + i, GPIOD_ASIS); + if (IS_ERR(i2c->gpios[i])) { + dev_err(i2c->dev, "i2c gpio invalid at index %d\n", i); + return -EINVAL; } } return 0; - -free_gpio: - while (--idx >= 0) - gpio_free(i2c->gpios[idx]); - return -EINVAL; } -static void s3c24xx_i2c_dt_gpio_free(struct s3c24xx_i2c *i2c) -{ - unsigned int idx; - - if (i2c->quirks & QUIRK_NO_GPIO) - return; - - for (idx = 0; idx < 2; idx++) - gpio_free(i2c->gpios[idx]); -} #else static int s3c24xx_i2c_parse_dt_gpio(struct s3c24xx_i2c *i2c) { return 0; } - -static void s3c24xx_i2c_dt_gpio_free(struct s3c24xx_i2c *i2c) -{ -} #endif /* @@ -1222,9 +1196,6 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev) i2c_del_adapter(&i2c->adap); - if (pdev->dev.of_node && IS_ERR(i2c->pctrl)) - s3c24xx_i2c_dt_gpio_free(i2c); - return 0; } |