USB: ohci-exynos: add clock gating to suspend/resume
This patch adds clock gating to suspend and resume functions.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c
index 2909621..fedb0ef 100644
--- a/drivers/usb/host/ohci-exynos.c
+++ b/drivers/usb/host/ohci-exynos.c
@@ -225,6 +225,9 @@
if (pdata && pdata->phy_exit)
pdata->phy_exit(pdev, S5P_USB_PHY_HOST);
+
+ clk_disable(exynos_ohci->clk);
+
fail:
spin_unlock_irqrestore(&ohci->lock, flags);
@@ -238,6 +241,8 @@
struct platform_device *pdev = to_platform_device(dev);
struct exynos4_ohci_platdata *pdata = pdev->dev.platform_data;
+ clk_enable(exynos_ohci->clk);
+
if (pdata && pdata->phy_init)
pdata->phy_init(pdev, S5P_USB_PHY_HOST);