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-of.c | |
| parent | 3650b228f83adda7e5ee532e2b90429c03f7b9ec (diff) | |
| download | linux-7b58696d9a8415576317615c63e9899797026f17.tar.bz2 | |
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-of.c')
| -rw-r--r-- | drivers/gpio/gpiolib-of.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 2f895a2b8411..9b223520d24b 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -509,31 +509,31 @@ struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id, desc = of_get_named_gpiod_flags(dev->of_node, prop_name, idx, &of_flags); - if (!IS_ERR(desc) || PTR_ERR(desc) != -ENOENT) + if (!gpiod_not_found(desc)) break; } - if (PTR_ERR(desc) == -ENOENT) { + if (gpiod_not_found(desc)) { /* Special handling for SPI GPIOs if used */ desc = of_find_spi_gpio(dev, con_id, &of_flags); } - if (PTR_ERR(desc) == -ENOENT) { + if (gpiod_not_found(desc)) { /* This quirk looks up flags and all */ desc = of_find_spi_cs_gpio(dev, con_id, idx, flags); if (!IS_ERR(desc)) return desc; } - if (PTR_ERR(desc) == -ENOENT) { + if (gpiod_not_found(desc)) { /* Special handling for regulator GPIOs if used */ desc = of_find_regulator_gpio(dev, con_id, &of_flags); } - if (PTR_ERR(desc) == -ENOENT) + if (gpiod_not_found(desc)) desc = of_find_arizona_gpio(dev, con_id, &of_flags); - if (PTR_ERR(desc) == -ENOENT) + if (gpiod_not_found(desc)) desc = of_find_usb_gpio(dev, con_id, &of_flags); if (IS_ERR(desc)) |