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lantiq: gpio-export fails to build if GPIO_SYSFS is not enabled

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Signed-off-by: John Crispin <john@phrozen.org>
This commit is contained in:
John Crispin 2016-06-13 17:18:50 +02:00
parent 6ccf400be1
commit 2ae06f3013
1 changed files with 11 additions and 7 deletions
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18
target/linux/lantiq/patches-4.4/0030-GPIO-add-named-gpio-exports.patch
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@ -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;
}