ralink: fix the gpio mode mapping

Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 39609

diff --git a/target/linux/ramips/patches-3.10/999-pinctrl_fixes.patch b/target/linux/ramips/patches-3.10/999-pinctrl_fixes.patch
new file mode 100644 (file)
index 0000000..21236b1
--- /dev/null
+++ b/target/linux/ramips/patches-3.10/999-pinctrl_fixes.patch
@@ -0,0 +1,35 @@
+Index: linux-3.10.28/drivers/pinctrl/pinctrl-rt2880.c
+===================================================================
+--- linux-3.10.28.orig/drivers/pinctrl/pinctrl-rt2880.c        2014-02-14 10:46:06.216549358 +0000
++++ linux-3.10.28/drivers/pinctrl/pinctrl-rt2880.c     2014-02-14 14:58:18.580040433 +0000
+@@ -204,6 +204,7 @@
+ {
+       struct rt2880_priv *p = pinctrl_dev_get_drvdata(pctrldev);
+         u32 mode = 0;
++      int i;
+ 
+       /* dont allow double use */
+       if (p->groups[group].enabled) {
+@@ -217,16 +218,16 @@
+       mode = rt_sysc_r32(SYSC_REG_GPIO_MODE);
+       mode &= ~(p->groups[group].mask << p->groups[group].shift);
+ 
++      /* mark the pins as gpio */
++      for (i = 0; i < p->groups[group].func[0].pin_count; i++)
++              p->gpio[p->groups[group].func[0].pins[i]] = 1;
++
+       /* function 0 is gpio and needs special handling */
+       if (func == 0) {
+-              int i;
+-
+-
+               mode |= p->groups[group].gpio << p->groups[group].shift;
+-              /* mark the pins as gpio */
+-              for (i = 0; i < p->groups[group].func[0].pin_count; i++)
+-                      p->gpio[p->groups[group].func[0].pins[i]] = 1;
+       } else {
++              for (i = 0; i < p->func[func]->pin_count; i++)
++                      p->gpio[p->func[func]->pins[i]] = 0;
+               mode |= p->func[func]->value << p->groups[group].shift;
+       }
+       rt_sysc_w32(mode, SYSC_REG_GPIO_MODE);