diff options
Diffstat (limited to 'drivers/pinctrl/core.c')
| -rw-r--r-- | drivers/pinctrl/core.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index a560df8bf275..9e454d0b18b4 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -292,13 +292,15 @@ static inline int gpio_to_pin(struct pinctrl_gpio_range *range, /** * pinctrl_match_gpio_range() - check if a certain GPIO pin is in range * @pctldev: pin controller device to check - * @gpio: gpio pin to check taken from the global GPIO pin space + * @gc: GPIO chip structure from the GPIO subsystem + * @offset: hardware offset of the GPIO relative to the controller * * Tries to match a GPIO pin number to the ranges handled by a certain pin * controller, return the range or NULL */ static struct pinctrl_gpio_range * -pinctrl_match_gpio_range(struct pinctrl_dev *pctldev, unsigned gpio) +pinctrl_match_gpio_range(struct pinctrl_dev *pctldev, struct gpio_chip *gc, + unsigned int offset) { struct pinctrl_gpio_range *range; @@ -306,8 +308,8 @@ pinctrl_match_gpio_range(struct pinctrl_dev *pctldev, unsigned gpio) /* Loop over the ranges */ list_for_each_entry(range, &pctldev->gpio_ranges, node) { /* Check if we're in the valid range */ - if (gpio >= range->base && - gpio < range->base + range->npins) { + if ((gc->base + offset) >= range->base && + (gc->base + offset) < range->base + range->npins) { mutex_unlock(&pctldev->mutex); return range; } @@ -395,7 +397,7 @@ static int pinctrl_get_device_gpio_range(struct gpio_chip *gc, list_for_each_entry(pctldev, &pinctrldev_list, node) { struct pinctrl_gpio_range *range; - range = pinctrl_match_gpio_range(pctldev, gc->base + offset); + range = pinctrl_match_gpio_range(pctldev, gc, offset); if (range) { *outdev = pctldev; *outrange = range; |