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-rw-r--r--drivers/pinctrl/core.c12
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;