[PATCH v2 07/10] usb: phy: samsung: Enable runtime power management onusb3phy

From: Vivek Gautam
Date: Sat Mar 02 2013 - 08:25:51 EST


Enable autosuspending of Samsung usb3.0 PHY

Signed-off-by: Vivek Gautam <gautam.vivek@xxxxxxxxxxx>
---
drivers/usb/phy/samsung-usb3phy.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)

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)
--
1.7.6.5

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