[PATCH v3 13/13] pinctrl: mvebu: dove: reuse mpp_{set, get} in pmu callbacks
From: sebastian.hesselbarth@gmail.com (Sebastian Hesselbarth)
Date: 2014-02-12 16:00:54
Also in:
lkml
Subsystem:
arm/marvell kirkwood and armada 370, 375, 38x, 39x, xp, 3700, 7k/8k, cn9130 soc support, pin control subsystem, the rest · Maintainers:
Andrew Lunn, Gregory Clement, Sebastian Hesselbarth, Linus Walleij, Linus Torvalds
Dove has pins that can be switched between normal and pmu functions. Rework pmu_mpp callbacks to reuse normal mpp callbacks. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> --- Cc: Linus Walleij <redacted> Cc: Jason Cooper <redacted> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Gregory Clement <redacted> Cc: Thomas Petazzoni <redacted> Cc: Ezequiel Garcia <redacted> Cc: linux-arm-kernel at lists.infradead.org Cc: linux-kernel at vger.kernel.org --- drivers/pinctrl/mvebu/pinctrl-dove.c | 37 +++++++++++++++++------------------- 1 file changed, 17 insertions(+), 20 deletions(-)
diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c
index 2f384d87ea92..3e28096091b0 100644
--- a/drivers/pinctrl/mvebu/pinctrl-dove.c
+++ b/drivers/pinctrl/mvebu/pinctrl-dove.c@@ -82,14 +82,13 @@ 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 dove_mpp_ctrl_get(pid, config); + + func = readl(DOVE_PMU_SIGNAL_SELECT_0 + off); + *config = (func >> shift) & MVEBU_MPP_MASK; + *config |= CONFIG_PMU; + return 0; }
@@ -100,19 +99,17 @@ 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 dove_mpp_ctrl_set(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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1.8.5.3