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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>
This commit is contained in:
Geert Uytterhoeven 2019-07-01 16:28:09 +02:00 committed by Linus Walleij
parent 3285170f28
commit 827a9b8bbf
1 changed files with 8 additions and 8 deletions
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16
drivers/gpio/gpiolib.c
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@ -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,