ARM: OMAP2+: gpmc: Converts GPMC driver to pm_runtime capable
Support for pm_runtime add to GPMC driver.
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 21b9636..bac18b3 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -30,6 +30,7 @@
#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>
@@ -1608,7 +1609,8 @@
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;
@@ -1648,7 +1650,7 @@
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;
@@ -1661,6 +1663,8 @@
{
gpmc_free_irq();
gpmc_mem_exit();
+ pm_runtime_put_sync(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
gpmc_dev = NULL;
return 0;
}