From: Li Jun <jun.li@nxp.com>
Date: Tue, 28 Jul 2020 12:42:41 +0000 (+0800)
Subject: usb: dwc3: core: add phy cleanup for probe error handling
X-Git-Tag: v4.19.155~53
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a68cbd8b95e713c07dc38970e8c0bb2bf90bbae4;p=users%2Fdwmw2%2Flinux.git

usb: dwc3: core: add phy cleanup for probe error handling

commit 03c1fd622f72c7624c81b64fdba4a567ae5ee9cb upstream.

Add the phy cleanup if dwc3 mode init fail, which is the missing part of
de-init for dwc3 core init.

Fixes: c499ff71ff2a ("usb: dwc3: core: re-factor init and exit paths")
Cc: <stable@vger.kernel.org>
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 60d08269ad9a0..065c6dee172d2 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1507,6 +1507,17 @@ static int dwc3_probe(struct platform_device *pdev)
 
 err5:
 	dwc3_event_buffers_cleanup(dwc);
+
+	usb_phy_shutdown(dwc->usb2_phy);
+	usb_phy_shutdown(dwc->usb3_phy);
+	phy_exit(dwc->usb2_generic_phy);
+	phy_exit(dwc->usb3_generic_phy);
+
+	usb_phy_set_suspend(dwc->usb2_phy, 1);
+	usb_phy_set_suspend(dwc->usb3_phy, 1);
+	phy_power_off(dwc->usb2_generic_phy);
+	phy_power_off(dwc->usb3_generic_phy);
+
 	dwc3_ulpi_exit(dwc);
 
 err4: