diff options
Diffstat (limited to 'drivers/gpio/gpio-uclass.c')
| -rw-r--r-- | drivers/gpio/gpio-uclass.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c index a00880e446c..3a6ef3b01d5 100644 --- a/drivers/gpio/gpio-uclass.c +++ b/drivers/gpio/gpio-uclass.c @@ -59,11 +59,10 @@ static int gpio_to_device(unsigned int gpio, struct gpio_desc *desc) { struct gpio_dev_priv *uc_priv; struct udevice *dev; - int ret; - for (ret = uclass_first_device(UCLASS_GPIO, &dev); + for (uclass_first_device(UCLASS_GPIO, &dev); dev; - ret = uclass_next_device(&dev)) { + uclass_next_device(&dev)) { uc_priv = dev_get_uclass_priv(dev); if (gpio >= uc_priv->gpio_base && gpio < uc_priv->gpio_base + uc_priv->gpio_count) { @@ -73,7 +72,7 @@ static int gpio_to_device(unsigned int gpio, struct gpio_desc *desc) } /* No such GPIO */ - return ret ? ret : -ENOENT; + return -ENOENT; } #if CONFIG_IS_ENABLED(DM_GPIO_LOOKUP_LABEL) @@ -91,15 +90,13 @@ static int gpio_to_device(unsigned int gpio, struct gpio_desc *desc) static int dm_gpio_lookup_label(const char *name, struct gpio_dev_priv *uc_priv, ulong *offset) { - int len; int i; *offset = -1; - len = strlen(name); for (i = 0; i < uc_priv->gpio_count; i++) { if (!uc_priv->name[i]) continue; - if (!strncmp(name, uc_priv->name[i], len)) { + if (!strcmp(name, uc_priv->name[i])) { *offset = i; return 0; } @@ -121,12 +118,11 @@ int dm_gpio_lookup_name(const char *name, struct gpio_desc *desc) struct udevice *dev; ulong offset; int numeric; - int ret; numeric = isdigit(*name) ? dectoul(name, NULL) : -1; - for (ret = uclass_first_device(UCLASS_GPIO, &dev); + for (uclass_first_device(UCLASS_GPIO, &dev); dev; - ret = uclass_next_device(&dev)) { + uclass_next_device(&dev)) { int len; uc_priv = dev_get_uclass_priv(dev); @@ -154,7 +150,7 @@ int dm_gpio_lookup_name(const char *name, struct gpio_desc *desc) } if (!dev) - return ret ? ret : -EINVAL; + return -EINVAL; gpio_desc_init(desc, dev, offset); |