[v2,07/10] usb: phy: samsung: Enable runtime power management on usb3phy

Commit Message

Vivek Gautam March 2, 2013, 1:23 p.m. UTC

Enable autosuspending of Samsung usb3.0 PHY

Signed-off-by: Vivek Gautam <[e-mail]>
---
 drivers/usb/phy/samsung-usb3phy.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

Patch

diff --git a/drivers/usb/phy/samsung-usb3phy.c b/drivers/usb/phy/samsung-usb3phy.c
index 70e2c7b..7594cc7 100644
--- a/drivers/usb/phy/samsung-usb3phy.c
+++ b/drivers/usb/phy/samsung-usb3phy.c
@@ -24,6 +24,7 @@ 
 #include <linux/err.h>
 #include <linux/io.h>
 #include <linux/of.h>
+#include <linux/pm_runtime.h>
 #include <linux/usb/samsung_usb_phy.h>
 #include <linux/platform_data/samsung-usbphy.h>
 
@@ -287,6 +288,8 @@  static int samsung_usb3phy_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, sphy);
 
+	pm_runtime_enable(&pdev->dev);
+
 	return usb_add_phy(&sphy->phy, USB_PHY_TYPE_USB3);
 }
 
@@ -296,6 +299,10 @@  static int samsung_usb3phy_remove(struct platform_device *pdev)
 
 	usb_remove_phy(&sphy->phy);
 
+	if (!pm_runtime_suspended(&pdev->dev))
+		pm_runtime_put(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
+
 	if (sphy->pmuregs)
 		iounmap(sphy->pmuregs);
 	if (sphy->sysreg)