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path: root/target/linux/lantiq/patches-3.0/205-owrt-gpio-export.patch
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Diffstat (limited to 'target/linux/lantiq/patches-3.0/205-owrt-gpio-export.patch')
-rw-r--r--target/linux/lantiq/patches-3.0/205-owrt-gpio-export.patch54
1 files changed, 54 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.0/205-owrt-gpio-export.patch b/target/linux/lantiq/patches-3.0/205-owrt-gpio-export.patch
new file mode 100644
index 0000000000..61693c2383
--- /dev/null
+++ b/target/linux/lantiq/patches-3.0/205-owrt-gpio-export.patch
@@ -0,0 +1,54 @@
+Index: linux-3.0.3/drivers/gpio/gpiolib.c
+===================================================================
+--- linux-3.0.3.orig/drivers/gpio/gpiolib.c 2011-10-03 00:13:35.359561120 +0200
++++ linux-3.0.3/drivers/gpio/gpiolib.c 2011-10-03 09:52:55.785047081 +0200
+@@ -64,9 +64,9 @@
+ #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 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 +727,8 @@
+
+ if (desc->chip->names && desc->chip->names[gpio - desc->chip->base])
+ ioname = desc->chip->names[gpio - desc->chip->base];
+-
++ else
++ ioname = gpio_desc[gpio].label;
+ if (status == 0) {
+ struct device *dev;
+
+@@ -1347,11 +1348,11 @@
+ 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);
+