linux-kernel - [PATCH 6/7] usb: dwc2: fix unbalanced phy control

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Date:	Fri, 21 Aug 2015 14:38:42 +0200
From:	Marek Szyprowski <m.szyprowski@...sung.com>
To:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org
Cc:	Marek Szyprowski <m.szyprowski@...sung.com>,
	Robert Baldyga <r.baldyga@...sung.com>,
	John Youn <johnyoun@...opsys.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Kukjin Kim <kgene@...nel.org>
Subject: [PATCH 6/7] 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.

Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
---
 drivers/usb/dwc2/platform.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index 90935304185a..dad15ad1ecb4 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -290,8 +290,6 @@ static int __maybe_unused dwc2_suspend(struct device *dev)
 	if (dwc2_is_device_mode(dwc2)) {
 		ret = s3c_hsotg_suspend(dwc2);
 	} else {
-		if (dwc2->lx_state == DWC2_L0)
-			return 0;
 		phy_exit(dwc2->phy);
 		phy_power_off(dwc2->phy);
 
-- 
1.9.2

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