[PATCH v5 7/7] arm: omap4: pmu: support runtime pm
ming.lei at canonical.com
ming.lei at canonical.com
Mon Oct 24 10:45:59 EDT 2011
From: Ming Lei <ming.lei at canonical.com>
Signed-off-by: Ming Lei <ming.lei at canonical.com>
---
arch/arm/mach-omap2/devices.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index bc791e0..ab4de0d 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -17,6 +17,7 @@
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/of.h>
+#include <linux/pm_runtime.h>
#include <mach/hardware.h>
#include <mach/irqs.h>
@@ -395,9 +396,11 @@ static struct omap_device_pm_latency omap_pmu_latency[] = {
};
static struct cti omap4_cti[2];
+static struct platform_device *pmu_dev;
static void omap4_enable_cti(int irq)
{
+ pm_runtime_get_sync(&pmu_dev->dev);
if (irq == OMAP44XX_IRQ_CTI0)
cti_enable(&omap4_cti[0]);
else if (irq == OMAP44XX_IRQ_CTI1)
@@ -410,6 +413,7 @@ static void omap4_disable_cti(int irq)
cti_disable(&omap4_cti[0]);
else if (irq == OMAP44XX_IRQ_CTI1)
cti_disable(&omap4_cti[1]);
+ pm_runtime_put(&pmu_dev->dev);
}
static irqreturn_t omap4_pmu_handler(int irq, void *dev, irq_handler_t handler)
@@ -497,8 +501,11 @@ static void __init omap_init_pmu(void)
if (!pd)
return;
- omap_device_enable(&od->pdev);
+ pmu_dev= pd;
+ pm_runtime_enable(&pd->dev);
+ pm_runtime_get_sync(&pd->dev);
omap4_configure_pmu_irq();
+ pm_runtime_put(&pd->dev);
return;
} else {
return;
--
1.7.5.4
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