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| author |   Kent Gibson <warthog618@gmail.com> | 2020-10-29 16:48:32 +0800 |
|---|---|---|
| committer |   Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2020-10-30 15:53:19 +0100 |
| commit | 5e2ca893d772560a0926a31b88f8c83efbc6b058 (patch) | |
| tree | 762fa8aa72e1e30e968942bac5abedafedf49580 /drivers/gpio/gpiolib-cdev.c | |
| parent | gpio: mockup: Allow probing from device tree (diff) | |
| download | linux-dev-5e2ca893d772560a0926a31b88f8c83efbc6b058.tar.xz linux-dev-5e2ca893d772560a0926a31b88f8c83efbc6b058.zip | |
gpiolib: cdev: add GPIO_V2_LINE_FLAG_EDGE_BOTH and use it in edge_irq_thread()
Add GPIO_V2_LINE_FLAG_EDGE_BOTH macro and use it in edge_irq_thread() to
improve readability of edge handling cases.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Diffstat (limited to 'drivers/gpio/gpiolib-cdev.c')
| -rw-r--r-- | drivers/gpio/gpiolib-cdev.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c index 519ecfa40a3b..ab9a49693cae 100644 --- a/drivers/gpio/gpiolib-cdev.c +++ b/drivers/gpio/gpiolib-cdev.c @@ -510,6 +510,8 @@ struct linereq { (GPIO_V2_LINE_FLAG_EDGE_RISING | \ GPIO_V2_LINE_FLAG_EDGE_FALLING) +#define GPIO_V2_LINE_FLAG_EDGE_BOTH GPIO_V2_LINE_EDGE_FLAGS + #define GPIO_V2_LINE_VALID_FLAGS \ (GPIO_V2_LINE_FLAG_ACTIVE_LOW | \ GPIO_V2_LINE_DIRECTION_FLAGS | \ @@ -560,8 +562,7 @@ static irqreturn_t edge_irq_thread(int irq, void *p) line->timestamp_ns = 0; eflags = READ_ONCE(line->eflags); - if (eflags == (GPIO_V2_LINE_FLAG_EDGE_RISING | - GPIO_V2_LINE_FLAG_EDGE_FALLING)) { + if (eflags == GPIO_V2_LINE_FLAG_EDGE_BOTH) { int level = gpiod_get_value_cansleep(line->desc); if (level) |