Support for pm_runtime add to GPMC driver.
Signed-off-by: Philip Avinash <avinashphilip@xxxxxx>
---
arch/arm/mach-omap2/gpmc.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 2c57f81..b1cd6c1 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -29,6 +29,7 @@
#include <linux/of_mtd.h>
#include <linux/of_device.h>
#include <linux/mtd/nand.h>
+#include <linux/pm_runtime.h>
#include <linux/platform_data/mtd-nand-omap2.h>
@@ -1317,7 +1318,8 @@ static int gpmc_probe(struct platform_device *pdev)
return PTR_ERR(gpmc_l3_clk);
}
- clk_prepare_enable(gpmc_l3_clk);
+ pm_runtime_enable(&pdev->dev);
+ pm_runtime_get_sync(&pdev->dev);
gpmc_dev = &pdev->dev;
@@ -1329,7 +1331,7 @@ static int gpmc_probe(struct platform_device *pdev)
rc = gpmc_mem_init();
if (IS_ERR_VALUE(rc)) {
- clk_disable_unprepare(gpmc_l3_clk);
+ pm_runtime_put_sync(&pdev->dev);
clk_put(gpmc_l3_clk);
dev_err(gpmc_dev, "failed to reserve memory\n");
return rc;
@@ -1340,7 +1342,7 @@ static int gpmc_probe(struct platform_device *pdev)
rc = gpmc_probe_dt(pdev);
if (rc < 0) {
- clk_disable_unprepare(gpmc_l3_clk);
+ pm_runtime_put_sync(&pdev->dev);
clk_put(gpmc_l3_clk);
dev_err(gpmc_dev, "failed to probe DT parameters\n");
return rc;
@@ -1353,6 +1355,8 @@ static __devexit int gpmc_remove(struct platform_device *pdev)
{
gpmc_free_irq();
gpmc_mem_exit();
+ pm_runtime_put_sync(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
gpmc_dev = NULL;
return 0;
}
--
1.7.9.5
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