[lantiq] Add missing 3.3 patches
[openwrt.git] / target / linux / lantiq / patches-3.3 / 205-owrt-gpio-export.patch
diff --git a/target/linux/lantiq/patches-3.3/205-owrt-gpio-export.patch b/target/linux/lantiq/patches-3.3/205-owrt-gpio-export.patch
new file mode 100644 (file)
index 0000000..670b224
--- /dev/null
@@ -0,0 +1,50 @@
+--- a/drivers/gpio/gpiolib.c
++++ b/drivers/gpio/gpiolib.c
+@@ -64,9 +64,9 @@ struct gpio_desc {
+ #define GPIO_FLAGS_MASK               ((1 << ID_SHIFT) - 1)
+ #define GPIO_TRIGGER_MASK     (BIT(FLAG_TRIG_FALL) | BIT(FLAG_TRIG_RISE))
+-#ifdef CONFIG_DEBUG_FS
++//#ifdef CONFIG_DEBUG_FS
+       const char              *label;
+-#endif
++//#endif
+ };
+ static struct gpio_desc gpio_desc[ARCH_NR_GPIOS];
+@@ -76,9 +76,9 @@ static DEFINE_IDR(dirent_idr);
+ static inline void desc_set_label(struct gpio_desc *d, const char *label)
+ {
+-#ifdef CONFIG_DEBUG_FS
++//#ifdef CONFIG_DEBUG_FS
+       d->label = label;
+-#endif
++//#endif
+ }
+ /* Warn when drivers omit gpio_request() calls -- legal but ill-advised
+@@ -727,7 +727,6 @@ int gpio_export(unsigned gpio, bool dire
+       if (desc->chip->names && desc->chip->names[gpio - desc->chip->base])
+               ioname = desc->chip->names[gpio - desc->chip->base];
+-
+       if (status == 0) {
+               struct device   *dev;
+@@ -1347,11 +1346,11 @@ const char *gpiochip_is_requested(struct
+               return NULL;
+       if (test_bit(FLAG_REQUESTED, &gpio_desc[gpio].flags) == 0)
+               return NULL;
+-#ifdef CONFIG_DEBUG_FS
++//#ifdef CONFIG_DEBUG_FS
+       return gpio_desc[gpio].label;
+-#else
+-      return "?";
+-#endif
++//#else
++//    return "?";
++//#endif
+ }
+ EXPORT_SYMBOL_GPL(gpiochip_is_requested);