ath79: add support for reset key on MikroTik RB912UAG-2HPnD

[openwrt/openwrt.git] / target / linux / ath79 / files / drivers / gpio / gpio-latch.c

diff --git a/target/linux/ath79/files/drivers/gpio/gpio-latch.c b/target/linux/ath79/files/drivers/gpio/gpio-latch.c
index f3545a663e0d023eceba3637b4f223971fc7aa48..976e68323083a66bd6b086ceaa12af6d5202ba07 100644 (file)
--- a/target/linux/ath79/files/drivers/gpio/gpio-latch.c
+++ b/target/linux/ath79/files/drivers/gpio/gpio-latch.c
@@ -62,7 +62,7 @@ gpio_latch_get(struct gpio_chip *gc, unsigned offset)
        int ret;
 
        gpio_latch_lock(glc, false);
-       ret = gpiod_get_value(glc->gpios[offset]);
+       ret = gpiod_get_raw_value_cansleep(glc->gpios[offset]);
        gpio_latch_unlock(glc, false);
 
        return ret;
@@ -81,7 +81,7 @@ gpio_latch_set(struct gpio_chip *gc, unsigned offset, int value)
        }
 
        gpio_latch_lock(glc, enable_latch);
-       gpiod_set_raw_value(glc->gpios[offset], value);
+       gpiod_set_raw_value_cansleep(glc->gpios[offset], value);
        gpio_latch_unlock(glc, disable_latch);
 }
 
@@ -133,8 +133,10 @@ static int gpio_latch_probe(struct platform_device *pdev)
                glc->gpios[i] = devm_gpiod_get_index_optional(dev, NULL, i,
                        GPIOD_OUT_LOW);
                if (IS_ERR(glc->gpios[i])) {
-                       dev_err(dev, "failed to get gpio %d: %d\n", i,
-                               PTR_ERR(glc->gpios[i]));
+                       if (PTR_ERR(glc->gpios[i]) != -EPROBE_DEFER) {
+                               dev_err(dev, "failed to get gpio %d: %d\n", i,
+                                       PTR_ERR(glc->gpios[i]));
+                       }
                        return PTR_ERR(glc->gpios[i]);
                }
        }