openwrtv4/target/linux/ramips/patches-3.10/999-pinctrl_fixes.patch
Gabor Juhos f677b1bc7e kernel: update 3.10 to 3.10.32
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39707
2014-02-23 10:59:40 +00:00

33 lines
1.1 KiB
Diff

--- a/drivers/pinctrl/pinctrl-rt2880.c
+++ b/drivers/pinctrl/pinctrl-rt2880.c
@@ -204,6 +204,7 @@ static int rt2880_pmx_group_enable(struc
{
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 @@ static int rt2880_pmx_group_enable(struc
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);