From 8b4fc8c7e0ba3022bb6187c809d8d2b955b2d7fd Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Fri, 13 Apr 2012 11:06:36 +0900 Subject: [PATCH] USB: ehci-s5p: add clock gating to suspend/resume This patch adds clock gating to suspend and resume functions. Signed-off-by: Jingoo Han Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-s5p.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c index f098e2a291a0..c474cec064e4 100644 --- a/drivers/usb/host/ehci-s5p.c +++ b/drivers/usb/host/ehci-s5p.c @@ -232,6 +232,8 @@ static int s5p_ehci_suspend(struct device *dev) if (pdata && pdata->phy_exit) pdata->phy_exit(pdev, S5P_USB_PHY_HOST); + clk_disable(s5p_ehci->clk); + return rc; } @@ -243,6 +245,8 @@ static int s5p_ehci_resume(struct device *dev) struct platform_device *pdev = to_platform_device(dev); struct s5p_ehci_platdata *pdata = pdev->dev.platform_data; + clk_enable(s5p_ehci->clk); + if (pdata && pdata->phy_init) pdata->phy_init(pdev, S5P_USB_PHY_HOST);