From: avinash philip <avinashphilip@xxxxxx>
With GPMC converted to platform driver recently, adds low power
transition support in driver itself.
Signed-off-by: Philip Avinash <avinashphilip@xxxxxx>
Signed-off-by: Pekon Gupta <pekon@xxxxxx>
---
arch/arm/mach-omap2/gpmc.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 1380cee..b5c4752 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -1655,6 +1655,24 @@ static int gpmc_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int gpmc_suspend(struct device *dev)
+{
+ omap3_gpmc_save_context();
+ pm_runtime_put_sync(dev);
+ return 0;
+}
+
+static int gpmc_resume(struct device *dev)
+{
+ pm_runtime_get_sync(dev);
+ omap3_gpmc_restore_context();
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(gpmc_pm_ops, gpmc_suspend, gpmc_resume);
+
static struct platform_driver gpmc_driver = {
.probe = gpmc_probe,
.remove = gpmc_remove,
@@ -1662,6 +1680,7 @@ static struct platform_driver gpmc_driver = {
.name = DEVICE_NAME,
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(gpmc_dt_ids),
+ .pm = &gpmc_pm_ops,
},
};
--
1.8.1
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