diff options
Diffstat (limited to 'target/linux/lantiq/patches-4.4')
| -rw-r--r-- | target/linux/lantiq/patches-4.4/0030-GPIO-add-named-gpio-exports.patch | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/target/linux/lantiq/patches-4.4/0030-GPIO-add-named-gpio-exports.patch b/target/linux/lantiq/patches-4.4/0030-GPIO-add-named-gpio-exports.patch index 2e27918765..4250398634 100644 --- a/target/linux/lantiq/patches-4.4/0030-GPIO-add-named-gpio-exports.patch +++ b/target/linux/lantiq/patches-4.4/0030-GPIO-add-named-gpio-exports.patch @@ -22,11 +22,13 @@ Signed-off-by: John Crispin <blogic@openwrt.org> #include "gpiolib.h" -@@ -450,3 +452,69 @@ void of_gpiochip_remove(struct gpio_chip +@@ -450,3 +452,73 @@ gpiochip_remove_pin_ranges(chip); of_node_put(chip->of_node); } + ++#ifdef CONFIG_GPIO_SYSFS ++ +static struct of_device_id gpio_export_ids[] = { + { .compatible = "gpio-export" }, + { /* sentinel */ } @@ -92,9 +94,11 @@ Signed-off-by: John Crispin <blogic@openwrt.org> + return platform_driver_probe(&gpio_export_driver, of_gpio_export_probe); +} +device_initcall(of_gpio_export_init); ++ ++#endif --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h -@@ -122,6 +122,12 @@ static inline int gpio_export(unsigned g +@@ -122,6 +122,12 @@ return gpiod_export(gpio_to_desc(gpio), direction_may_change); } @@ -109,7 +113,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org> { --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h -@@ -427,6 +427,7 @@ static inline struct gpio_desc *devm_get +@@ -427,6 +427,7 @@ #if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_GPIO_SYSFS) @@ -117,7 +121,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org> int gpiod_export(struct gpio_desc *desc, bool direction_may_change); int gpiod_export_link(struct device *dev, const char *name, struct gpio_desc *desc); -@@ -434,6 +435,13 @@ void gpiod_unexport(struct gpio_desc *de +@@ -434,6 +435,13 @@ #else /* CONFIG_GPIOLIB && CONFIG_GPIO_SYSFS */ @@ -133,7 +137,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org> { --- a/drivers/gpio/gpiolib-sysfs.c +++ b/drivers/gpio/gpiolib-sysfs.c -@@ -544,7 +544,7 @@ static struct class gpio_class = { +@@ -544,7 +544,7 @@ * * Returns zero on success, else an error. */ @@ -142,7 +146,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org> { struct gpio_chip *chip; struct gpiod_data *data; -@@ -604,6 +604,8 @@ int gpiod_export(struct gpio_desc *desc, +@@ -604,6 +604,8 @@ offset = gpio_chip_hwgpio(desc); if (chip->names && chip->names[offset]) ioname = chip->names[offset]; @@ -151,7 +155,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org> dev = device_create_with_groups(&gpio_class, chip->dev, MKDEV(0, 0), data, gpio_groups, -@@ -625,6 +627,12 @@ err_unlock: +@@ -625,6 +627,12 @@ gpiod_dbg(desc, "%s: status %d\n", __func__, status); return status; } |