From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Mon, 21 Sep 2015 10:16:11 +0000 (+0200)
Subject: usb: dwc2: fix unbalanced phy control
X-Git-Tag: v4.4-rc1~127^2~12^2~24
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=5ee2a003e8622d51e865ffa5547a5708e592a1a5;p=linux.git

usb: dwc2: fix unbalanced phy control

Even when DWC2 is in (internal) suspended state, it should disable PHY
in suspend and then enable it in resume. This patch fixes unbalanced PHY
control sequence.

Tested-by: John Youn <johnyoun@synopsys.com>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index a013ea9f2c9c..b920e438cd49 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -301,8 +301,6 @@ static int __maybe_unused dwc2_suspend(struct device *dev)
 	if (dwc2_is_device_mode(dwc2)) {
 		ret = dwc2_hsotg_suspend(dwc2);
 	} else {
-		if (dwc2->lx_state == DWC2_L0)
-			return 0;
 		phy_exit(dwc2->phy);
 		phy_power_off(dwc2->phy);