diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index c1d8f7b..5a79cb9 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1195,20 +1195,17 @@ struct gpio_chip *gpiochip_find(void *data, int (*match)(struct gpio_chip *chip, void *data)) { - struct gpio_chip *chip = NULL; + struct gpio_chip *chip; unsigned long flags; - int i; spin_lock_irqsave(&gpio_lock, flags); - for (i = 0; i < ARCH_NR_GPIOS; i++) { - if (!gpio_desc[i].chip) - continue; - - if (match(gpio_desc[i].chip, data)) { - chip = gpio_desc[i].chip; + list_for_each_entry(chip, &gpio_chips, list) + if (match(chip, data)) break; - } - } + + /* No match? */ + if (&chip->list == &gpio_chips) + chip = NULL; spin_unlock_irqrestore(&gpio_lock, flags); return chip; |