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Groups > linux.kernel > #1505772

[PATCH v2] usb: dwc3: Fix error handling for core init

From Vivek Gautam <vivek.gautam@codeaurora.org>
Newsgroups linux.kernel
Subject [PATCH v2] usb: dwc3: Fix error handling for core init
Date 2016-10-21 13:00 +0200
Message-ID <suFIm-4q7-3@gated-at.bofh.it> (permalink)
References <suFfk-4fQ-49@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Fixing the sequence of events in dwc3_core_init() error exit path.
dwc3_core_exit() call is also removed from the error path since,
whatever it's doing is already done.

Fixes: c499ff7 usb: dwc3: core: re-factor init and exit paths

Cc: Felipe Balbi <felipe.balbi@linux.intel.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Cc: Stable <stable@vger.kernel.org> # 4.8+
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
---

Based on usb-next.
Build tested.

Changes since v1:
 - Added reference to original commit that this patch fixes.
 - CC'ed kernel stable.

 drivers/usb/dwc3/core.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 7287a76..fea4469 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -769,15 +769,14 @@ static int dwc3_core_init(struct dwc3 *dwc)
 	return 0;
 
 err4:
-	phy_power_off(dwc->usb2_generic_phy);
+	phy_power_off(dwc->usb3_generic_phy);
 
 err3:
-	phy_power_off(dwc->usb3_generic_phy);
+	phy_power_off(dwc->usb2_generic_phy);
 
 err2:
 	usb_phy_set_suspend(dwc->usb2_phy, 1);
 	usb_phy_set_suspend(dwc->usb3_phy, 1);
-	dwc3_core_exit(dwc);
 
 err1:
 	usb_phy_shutdown(dwc->usb2_phy);
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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Thread

[PATCH] usb: dwc3: Fix error handling for core init Vivek Gautam <vivek.gautam@codeaurora.org> - 2016-10-21 08:20 +0200
  Re: [PATCH] usb: dwc3: Fix error handling for core init Felipe Balbi <balbi@kernel.org> - 2016-10-21 12:20 +0200
    Re: [PATCH] usb: dwc3: Fix error handling for core init Vivek Gautam <vivek.gautam@codeaurora.org> - 2016-10-21 12:30 +0200
      [PATCH v2] usb: dwc3: Fix error handling for core init Vivek Gautam <vivek.gautam@codeaurora.org> - 2016-10-21 13:00 +0200

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