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36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
Index: linux-3.10.28/drivers/pinctrl/pinctrl-rt2880.c
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===================================================================
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--- linux-3.10.28.orig/drivers/pinctrl/pinctrl-rt2880.c 2014-02-14 10:46:06.216549358 +0000
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+++ linux-3.10.28/drivers/pinctrl/pinctrl-rt2880.c 2014-02-14 14:58:18.580040433 +0000
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@@ -204,6 +204,7 @@
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{
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struct rt2880_priv *p = pinctrl_dev_get_drvdata(pctrldev);
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u32 mode = 0;
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+ int i;
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/* dont allow double use */
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if (p->groups[group].enabled) {
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@@ -217,16 +218,16 @@
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mode = rt_sysc_r32(SYSC_REG_GPIO_MODE);
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mode &= ~(p->groups[group].mask << p->groups[group].shift);
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+ /* mark the pins as gpio */
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+ for (i = 0; i < p->groups[group].func[0].pin_count; i++)
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+ p->gpio[p->groups[group].func[0].pins[i]] = 1;
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+
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/* function 0 is gpio and needs special handling */
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if (func == 0) {
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- int i;
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-
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-
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mode |= p->groups[group].gpio << p->groups[group].shift;
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- /* mark the pins as gpio */
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- for (i = 0; i < p->groups[group].func[0].pin_count; i++)
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- p->gpio[p->groups[group].func[0].pins[i]] = 1;
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} else {
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+ for (i = 0; i < p->func[func]->pin_count; i++)
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+ p->gpio[p->func[func]->pins[i]] = 0;
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mode |= p->func[func]->value << p->groups[group].shift;
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}
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rt_sysc_w32(mode, SYSC_REG_GPIO_MODE);
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