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| author | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-12-19 21:11:02 +0100 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-12-27 15:58:39 +0100 |
| commit | 5d5dfc50e5689d5b09de4a323f84c28a6700d156 (patch) | |
| tree | 65b95d7a09cfd9423a0269f3d3d9968e26c9f216 /drivers/gpio/gpiolib.c | |
| parent | 7dd1871e5049bbd40ee78ac94b1678ba5caf2486 (diff) | |
| download | linux-stable-5d5dfc50e5689d5b09de4a323f84c28a6700d156.tar.gz linux-stable-5d5dfc50e5689d5b09de4a323f84c28a6700d156.tar.bz2 linux-stable-5d5dfc50e5689d5b09de4a323f84c28a6700d156.zip | |
gpiolib: remove extra_checks
extra_checks is only used in a few places. It also depends on
a non-standard DEBUG define one needs to add to the source file. The
overhead of removing it should be minimal (we already use pure
might_sleep() in the code anyway) so drop it.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 31 |
1 files changed, 9 insertions, 22 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index c9ca809b55de..837e9919bf07 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -47,19 +47,6 @@ * GPIOs can sometimes cost only an instruction or two per bit. */ - -/* When debugging, extend minimal trust to callers and platform code. - * Also emit diagnostic messages that may help initial bringup, when - * board setup or driver bugs are most common. - * - * Otherwise, minimize overhead in what may be bitbanging codepaths. - */ -#ifdef DEBUG -#define extra_checks 1 -#else -#define extra_checks 0 -#endif - /* Device and char device-related information */ static DEFINE_IDA(gpio_ida); static dev_t gpio_devt; @@ -2351,7 +2338,7 @@ void gpiod_free(struct gpio_desc *desc) return; if (!gpiod_free_commit(desc)) - WARN_ON(extra_checks); + WARN_ON(1); module_put(desc->gdev->owner); gpio_device_put(desc->gdev); @@ -3729,7 +3716,7 @@ EXPORT_SYMBOL_GPL(gpiochip_line_is_persistent); */ int gpiod_get_raw_value_cansleep(const struct gpio_desc *desc) { - might_sleep_if(extra_checks); + might_sleep(); VALIDATE_DESC(desc); return gpiod_get_raw_value_commit(desc); } @@ -3748,7 +3735,7 @@ int gpiod_get_value_cansleep(const struct gpio_desc *desc) { int value; - might_sleep_if(extra_checks); + might_sleep(); VALIDATE_DESC(desc); value = gpiod_get_raw_value_commit(desc); if (value < 0) @@ -3779,7 +3766,7 @@ int gpiod_get_raw_array_value_cansleep(unsigned int array_size, struct gpio_array *array_info, unsigned long *value_bitmap) { - might_sleep_if(extra_checks); + might_sleep(); if (!desc_array) return -EINVAL; return gpiod_get_array_value_complex(true, true, array_size, @@ -3805,7 +3792,7 @@ int gpiod_get_array_value_cansleep(unsigned int array_size, struct gpio_array *array_info, unsigned long *value_bitmap) { - might_sleep_if(extra_checks); + might_sleep(); if (!desc_array) return -EINVAL; return gpiod_get_array_value_complex(false, true, array_size, @@ -3826,7 +3813,7 @@ EXPORT_SYMBOL_GPL(gpiod_get_array_value_cansleep); */ void gpiod_set_raw_value_cansleep(struct gpio_desc *desc, int value) { - might_sleep_if(extra_checks); + might_sleep(); VALIDATE_DESC_VOID(desc); gpiod_set_raw_value_commit(desc, value); } @@ -3844,7 +3831,7 @@ EXPORT_SYMBOL_GPL(gpiod_set_raw_value_cansleep); */ void gpiod_set_value_cansleep(struct gpio_desc *desc, int value) { - might_sleep_if(extra_checks); + might_sleep(); VALIDATE_DESC_VOID(desc); gpiod_set_value_nocheck(desc, value); } @@ -3867,7 +3854,7 @@ int gpiod_set_raw_array_value_cansleep(unsigned int array_size, struct gpio_array *array_info, unsigned long *value_bitmap) { - might_sleep_if(extra_checks); + might_sleep(); if (!desc_array) return -EINVAL; return gpiod_set_array_value_complex(true, true, array_size, desc_array, @@ -3909,7 +3896,7 @@ int gpiod_set_array_value_cansleep(unsigned int array_size, struct gpio_array *array_info, unsigned long *value_bitmap) { - might_sleep_if(extra_checks); + might_sleep(); if (!desc_array) return -EINVAL; return gpiod_set_array_value_complex(false, true, array_size, |