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authorJingoo Han <jg1.han@samsung.com>2012-06-28 16:49:42 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-06 10:42:21 -0700
commite864abed546f9f4b76a3580fb3c53cd389e0c015 (patch)
treed77888083243a32d3688915a5e9125eed645cee8 /drivers/usb/host/ohci-exynos.c
parentff9cce82772a78983b529e044d85884d3ec95fda (diff)
downloadblackbird-op-linux-e864abed546f9f4b76a3580fb3c53cd389e0c015.tar.gz
blackbird-op-linux-e864abed546f9f4b76a3580fb3c53cd389e0c015.zip
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>
Diffstat (limited to 'drivers/usb/host/ohci-exynos.c')
-rw-r--r--drivers/usb/host/ohci-exynos.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c
index 2909621ea196..fedb0eff35d5 100644
--- a/drivers/usb/host/ohci-exynos.c
+++ b/drivers/usb/host/ohci-exynos.c
@@ -225,6 +225,9 @@ static int exynos_ohci_suspend(struct device *dev)
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 @@ static int exynos_ohci_resume(struct device *dev)
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);
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