linux-kernel - [PATCH 4.9 120/152] ARM: dts: STiH407-family: set snps,dis_u3_susphy

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Message-Id: <20170410164206.503184296@linuxfoundation.org>
Date:   Mon, 10 Apr 2017 18:42:52 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Patrice Chotard <patrice.chotard@...com>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.9 120/152] ARM: dts: STiH407-family: set snps,dis_u3_susphy_quirk

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Patrice Chotard <patrice.chotard@...com>

[ Upstream commit 8413299cb3933dade6186bbee8363f190032107e ]

Since v4.10-rc1, the following logs appears in loop :
[  801.953836] usb usb6-port1: Cannot enable. Maybe the USB cable is bad?
[  801.960455] xhci-hcd xhci-hcd.0.auto: Cannot set link state.
[  801.966611] usb usb6-port1: cannot disable (err = -32)
[  806.083772] usb usb6-port1: Cannot enable. Maybe the USB cable is bad?
[  806.090370] xhci-hcd xhci-hcd.0.auto: Cannot set link state.
[  806.096494] usb usb6-port1: cannot disable (err = -32)

After analysis, xhci try to set link in U3 and returns an error.
Using snps,dis_u3_susphy_quirk fix this issue.

Signed-off-by: Patrice Chotard <patrice.chotard@...com>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/arm/boot/dts/stih407-family.dtsi |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/arm/boot/dts/stih407-family.dtsi
+++ b/arch/arm/boot/dts/stih407-family.dtsi
@@ -680,6 +680,7 @@
 				phy-names	= "usb2-phy", "usb3-phy";
 				phys		= <&usb2_picophy0>,
 						  <&phy_port2 PHY_TYPE_USB3>;
+				snps,dis_u3_susphy_quirk;
 			};
 		};