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authorGeert Uytterhoeven <geert+renesas@glider.be>2019-07-01 16:28:09 +0200
committerLinus Walleij <linus.walleij@linaro.org>2019-07-04 09:36:05 +0200
commit827a9b8bbfdc976775eb0dc650d8485081271e27 (patch)
tree8a97523dfb0ea11ea985da088946cafd36ea3657 /drivers/gpio
parentgpiolib: Fix references to gpiod_[gs]et_*value_cansleep() variants (diff)
downloadlinux-827a9b8bbfdc976775eb0dc650d8485081271e27.tar.xz
linux-827a9b8bbfdc976775eb0dc650d8485081271e27.zip
gpiolib: Clarify use of non-sleeping functions
Obviously functions that are safe to be called from atomic contexts, can be called from non-atomic contexts, too. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20190701142809.25308-1-geert+renesas@glider.be Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpiolib.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index b9fc77b18183..47a67c4deed4 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -3031,7 +3031,7 @@ int gpiod_get_array_value_complex(bool raw, bool can_sleep,
* Return the GPIO's raw value, i.e. the value of the physical line disregarding
* its ACTIVE_LOW status, or negative errno on failure.
*
- * This function should be called from contexts where we cannot sleep, and will
+ * This function can be called from contexts where we cannot sleep, and will
* complain if the GPIO chip functions potentially sleep.
*/
int gpiod_get_raw_value(const struct gpio_desc *desc)
@@ -3050,7 +3050,7 @@ EXPORT_SYMBOL_GPL(gpiod_get_raw_value);
* Return the GPIO's logical value, i.e. taking the ACTIVE_LOW status into
* account, or negative errno on failure.
*
- * This function should be called from contexts where we cannot sleep, and will
+ * This function can be called from contexts where we cannot sleep, and will
* complain if the GPIO chip functions potentially sleep.
*/
int gpiod_get_value(const struct gpio_desc *desc)
@@ -3083,7 +3083,7 @@ EXPORT_SYMBOL_GPL(gpiod_get_value);
* without regard for their ACTIVE_LOW status. Return 0 in case of success,
* else an error code.
*
- * This function should be called from contexts where we cannot sleep,
+ * This function can be called from contexts where we cannot sleep,
* and it will complain if the GPIO chip functions potentially sleep.
*/
int gpiod_get_raw_array_value(unsigned int array_size,
@@ -3109,7 +3109,7 @@ EXPORT_SYMBOL_GPL(gpiod_get_raw_array_value);
* Read the logical values of the GPIOs, i.e. taking their ACTIVE_LOW status
* into account. Return 0 in case of success, else an error code.
*
- * This function should be called from contexts where we cannot sleep,
+ * This function can be called from contexts where we cannot sleep,
* and it will complain if the GPIO chip functions potentially sleep.
*/
int gpiod_get_array_value(unsigned int array_size,
@@ -3323,7 +3323,7 @@ int gpiod_set_array_value_complex(bool raw, bool can_sleep,
* Set the raw value of the GPIO, i.e. the value of its physical line without
* regard for its ACTIVE_LOW status.
*
- * This function should be called from contexts where we cannot sleep, and will
+ * This function can be called from contexts where we cannot sleep, and will
* complain if the GPIO chip functions potentially sleep.
*/
void gpiod_set_raw_value(struct gpio_desc *desc, int value)
@@ -3364,7 +3364,7 @@ static void gpiod_set_value_nocheck(struct gpio_desc *desc, int value)
* Set the logical value of the GPIO, i.e. taking its ACTIVE_LOW,
* OPEN_DRAIN and OPEN_SOURCE flags into account.
*
- * This function should be called from contexts where we cannot sleep, and will
+ * This function can be called from contexts where we cannot sleep, and will
* complain if the GPIO chip functions potentially sleep.
*/
void gpiod_set_value(struct gpio_desc *desc, int value)
@@ -3386,7 +3386,7 @@ EXPORT_SYMBOL_GPL(gpiod_set_value);
* Set the raw values of the GPIOs, i.e. the values of the physical lines
* without regard for their ACTIVE_LOW status.
*
- * This function should be called from contexts where we cannot sleep, and will
+ * This function can be called from contexts where we cannot sleep, and will
* complain if the GPIO chip functions potentially sleep.
*/
int gpiod_set_raw_array_value(unsigned int array_size,
@@ -3411,7 +3411,7 @@ EXPORT_SYMBOL_GPL(gpiod_set_raw_array_value);
* Set the logical values of the GPIOs, i.e. taking their ACTIVE_LOW status
* into account.
*
- * This function should be called from contexts where we cannot sleep, and will
+ * This function can be called from contexts where we cannot sleep, and will
* complain if the GPIO chip functions potentially sleep.
*/
int gpiod_set_array_value(unsigned int array_size,