Implement .request() and .free() callbacks on the GPIO chips to inform pinctrl
when a GPIO is requested or freed.
Signed-off-by: Axel Lin <axel....@ingics.com>
---
drivers/pinctrl/pinctrl-rockchip.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-rockchip.c
b/drivers/pinctrl/pinctrl-rockchip.c
index 64ad0c0..b1337eb 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -872,6 +872,16 @@ static int rockchip_pinctrl_register(struct
platform_device *pdev,
* GPIO handling
*/
+static int rockchip_gpio_request(struct gpio_chip *chip, unsigned offset)
+{
+ return pinctrl_request_gpio(chip->base + offset);
+}
+
+static void rockchip_gpio_free(struct gpio_chip *chip, unsigned offset)
+{
+ pinctrl_free_gpio(chip->base + offset);
+}
+
static void rockchip_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
{
struct rockchip_pin_bank *bank = gc_to_pin_bank(gc);
@@ -945,6 +955,8 @@ static int rockchip_gpio_to_irq(struct gpio_chip *gc,
unsigned offset)
}
static const struct gpio_chip rockchip_gpiolib_chip = {
+ .request = rockchip_gpio_request,
+ .free = rockchip_gpio_free,
.set = rockchip_gpio_set,
.get = rockchip_gpio_get,
.direction_input = rockchip_gpio_direction_input,
--
1.8.1.2
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