diff options
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 5a75510d66b..120b2a0e316 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1093,7 +1093,7 @@ unlock: if (status) goto fail; - pr_info("gpiochip_add: registered GPIOs %d to %d on device: %s\n", + pr_debug("gpiochip_add: registered GPIOs %d to %d on device: %s\n", chip->base, chip->base + chip->ngpio - 1, chip->label ? : "generic"); @@ -1154,9 +1154,9 @@ 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(const void *data, +struct gpio_chip *gpiochip_find(void *data, int (*match)(struct gpio_chip *chip, - const void *data)) + void *data)) { struct gpio_chip *chip = NULL; unsigned long flags; @@ -1302,8 +1302,18 @@ int gpio_request_one(unsigned gpio, unsigned long flags, const char *label) (flags & GPIOF_INIT_HIGH) ? 1 : 0); if (err) - gpio_free(gpio); + goto free_gpio; + + if (flags & GPIOF_EXPORT) { + err = gpio_export(gpio, flags & GPIOF_EXPORT_CHANGEABLE); + if (err) + goto free_gpio; + } + + return 0; + free_gpio: + gpio_free(gpio); return err; } EXPORT_SYMBOL_GPL(gpio_request_one); |