pinctrl: mvebu: dove: reuse mpp_{set,get} in pmu callbacks
authorSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Fri, 31 Jan 2014 01:29:16 +0000 (02:29 +0100)
committerSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tue, 25 Feb 2014 17:38:41 +0000 (18:38 +0100)
Dove has pins that can be switched between normal and pmu functions.
Rework pmu_mpp callbacks to reuse default mpp ctrl helpers.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
drivers/pinctrl/mvebu/pinctrl-dove.c

index 89fd3a5a1df1857c334c8c3f12d96a47d322587e..da9ca26360fd059d2a46501369bef6e0d29c52bb 100644 (file)
@@ -70,14 +70,13 @@ static int dove_pmu_mpp_ctrl_get(unsigned pid, unsigned long *config)
        unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL);
        unsigned long func;
 
-       if (pmu & (1 << pid)) {
-               func = readl(DOVE_PMU_SIGNAL_SELECT_0 + off);
-               *config = (func >> shift) & MVEBU_MPP_MASK;
-               *config |= CONFIG_PMU;
-       } else {
-               func = readl(DOVE_MPP_VIRT_BASE + off);
-               *config = (func >> shift) & MVEBU_MPP_MASK;
-       }
+       if ((pmu & BIT(pid)) == 0)
+               return default_mpp_ctrl_get(mpp_base, pid, config);
+
+       func = readl(DOVE_PMU_SIGNAL_SELECT_0 + off);
+       *config = (func >> shift) & MVEBU_MPP_MASK;
+       *config |= CONFIG_PMU;
+
        return 0;
 }
 
@@ -88,19 +87,17 @@ static int dove_pmu_mpp_ctrl_set(unsigned pid, unsigned long config)
        unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL);
        unsigned long func;
 
-       if (config & CONFIG_PMU) {
-               writel(pmu | (1 << pid), DOVE_PMU_MPP_GENERAL_CTRL);
-               func = readl(DOVE_PMU_SIGNAL_SELECT_0 + off);
-               func &= ~(MVEBU_MPP_MASK << shift);
-               func |= (config & MVEBU_MPP_MASK) << shift;
-               writel(func, DOVE_PMU_SIGNAL_SELECT_0 + off);
-       } else {
-               writel(pmu & ~(1 << pid), DOVE_PMU_MPP_GENERAL_CTRL);
-               func = readl(DOVE_MPP_VIRT_BASE + off);
-               func &= ~(MVEBU_MPP_MASK << shift);
-               func |= (config & MVEBU_MPP_MASK) << shift;
-               writel(func, DOVE_MPP_VIRT_BASE + off);
+       if ((config & CONFIG_PMU) == 0) {
+               writel(pmu & ~BIT(pid), DOVE_PMU_MPP_GENERAL_CTRL);
+               return default_mpp_ctrl_set(mpp_base, pid, config);
        }
+
+       writel(pmu | BIT(pid), DOVE_PMU_MPP_GENERAL_CTRL);
+       func = readl(DOVE_PMU_SIGNAL_SELECT_0 + off);
+       func &= ~(MVEBU_MPP_MASK << shift);
+       func |= (config & MVEBU_MPP_MASK) << shift;
+       writel(func, DOVE_PMU_SIGNAL_SELECT_0 + off);
+
        return 0;
 }
 
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