[PATCH v2 3/7] usb: xhci: plat: Fix suspend/resume when the optional usb_phy exists
Jisheng Zhang
jszhang at marvell.com
Mon Dec 7 04:49:20 PST 2015
Commit 7b8ef22ea547 ("usb: xhci: plat: Add USB phy support") adds the
usb_phy for usb3, but it forgets to shutdown/init the usb_phy in the
suspend/resume path. This patch fixes this issue by adding missing
usb_phy related calls.
Signed-off-by: Jisheng Zhang <jszhang at marvell.com>
---
drivers/usb/host/xhci-plat.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index a8c465a..cd49ae5 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -244,6 +244,7 @@ static int xhci_plat_suspend(struct device *dev)
if (ret)
return ret;
+ usb_phy_shutdown(xhci->shared_hcd->usb_phy);
clk_disable_unprepare(xhci->clk);
return ret;
@@ -259,6 +260,10 @@ static int xhci_plat_resume(struct device *dev)
if (ret)
return ret;
+ ret = usb_phy_init(xhci->shared_hcd->usb_phy);
+ if (ret)
+ return ret;
+
return xhci_resume(xhci, 0);
}
--
2.6.2
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