diff options
| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-10-21 17:25:28 +0300 |
|---|---|---|
| committer |   Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2020-10-26 15:23:33 +0100 |
| commit | 7b58696d9a8415576317615c63e9899797026f17 (patch) | |
| tree | e941387d6206474b9086abfff4b0456d0300ef7c /drivers/gpio/gpiolib-devres.c | |
| parent | Linux 5.10-rc1 (diff) | |
| download | linux-dev-7b58696d9a8415576317615c63e9899797026f17.tar.xz linux-dev-7b58696d9a8415576317615c63e9899797026f17.zip | |
gpiolib: Extract gpiod_not_found() helper
Several places in the code are using same idiom, i.e.
IS_ERR(desc) && PTR_ERR(desc) == -ENOENT
which meaning is GPIO description is not found.
For better readability extract gpiod_not_found() helper and use it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Diffstat (limited to 'drivers/gpio/gpiolib-devres.c')
| -rw-r--r-- | drivers/gpio/gpiolib-devres.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/gpio/gpiolib-devres.c b/drivers/gpio/gpiolib-devres.c index 7dbce4c4ebdf..174f88d5ec17 100644 --- a/drivers/gpio/gpiolib-devres.c +++ b/drivers/gpio/gpiolib-devres.c @@ -246,10 +246,8 @@ struct gpio_desc *__must_check devm_gpiod_get_index_optional(struct device *dev, struct gpio_desc *desc; desc = devm_gpiod_get_index(dev, con_id, index, flags); - if (IS_ERR(desc)) { - if (PTR_ERR(desc) == -ENOENT) - return NULL; - } + if (gpiod_not_found(desc)) + return NULL; return desc; } @@ -308,7 +306,7 @@ devm_gpiod_get_array_optional(struct device *dev, const char *con_id, struct gpio_descs *descs; descs = devm_gpiod_get_array(dev, con_id, flags); - if (PTR_ERR(descs) == -ENOENT) + if (gpiod_not_found(descs)) return NULL; return descs; |