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[v2,3/7] usb: xhci: plat: Fix suspend/resume when the optional usb_phy exists

Message ID 1449492564-4803-4-git-send-email-jszhang@marvell.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jisheng Zhang Dec. 7, 2015, 12:49 p.m. UTC
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@marvell.com>
---
 drivers/usb/host/xhci-plat.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

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);
 }