diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2012-03-02 15:56:03 -0700 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2012-03-02 15:56:03 -0700 |
| commit | 6e2cf6514066cdd5a0844b34760029a5a4870318 (patch) | |
| tree | 620b38b5117a8b5a225714647e8f7a4d6d3f196d | |
| parent | b3950d50cfc343b3e7dc5c69c96a61b182fd1e37 (diff) | |
| download | linux-6e2cf6514066cdd5a0844b34760029a5a4870318.tar.bz2 | |
gpio: constify the data parameter to gpiochip_find()
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| -rw-r--r-- | drivers/gpio/gpiolib.c | 5 | ||||
| -rw-r--r-- | drivers/of/gpio.c | 2 | ||||
| -rw-r--r-- | include/asm-generic/gpio.h | 4 |
3 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index d77354068b90..e633a2afbe90 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1152,8 +1152,9 @@ EXPORT_SYMBOL_GPL(gpiochip_remove); * non-zero, this function will return to the caller and not iterate over any * more gpio_chips. */ -struct gpio_chip *gpiochip_find(void *data, - int (*match)(struct gpio_chip *chip, void *data)) +struct gpio_chip *gpiochip_find(const void *data, + int (*match)(struct gpio_chip *chip, + const void *data)) { struct gpio_chip *chip = NULL; unsigned long flags; diff --git a/drivers/of/gpio.c b/drivers/of/gpio.c index e034b38590a8..bba81216b4db 100644 --- a/drivers/of/gpio.c +++ b/drivers/of/gpio.c @@ -229,7 +229,7 @@ void of_gpiochip_remove(struct gpio_chip *chip) } /* Private function for resolving node pointer to gpio_chip */ -static int of_gpiochip_is_match(struct gpio_chip *chip, void *data) +static int of_gpiochip_is_match(struct gpio_chip *chip, const void *data) { return chip->of_node == data; } diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 1ff4e221cb4d..5f52690c3c8f 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -142,9 +142,9 @@ extern int __must_check gpiochip_reserve(int start, int ngpio); /* add/remove chips */ extern int gpiochip_add(struct gpio_chip *chip); extern int __must_check gpiochip_remove(struct gpio_chip *chip); -extern struct gpio_chip *gpiochip_find(void *data, +extern struct gpio_chip *gpiochip_find(const void *data, int (*match)(struct gpio_chip *chip, - void *data)); + const void *data)); /* Always use the library code for GPIO management calls, |