linux-kernel - [PATCH 5.4 078/215] arm64: dts: g12-common: add parkmode_disable_ss

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Message-Id: <20200720152823.922254052@linuxfoundation.org>
Date:   Mon, 20 Jul 2020 17:36:00 +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, Tim <elatllat@...il.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Jianxin Pan <jianxin.pan@...ogic.com>,
        Dongjin Kim <tobetter@...il.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 078/215] arm64: dts: g12-common: add parkmode_disable_ss_quirk on DWC3 controller

From: Neil Armstrong <narmstrong@...libre.com>

[ Upstream commit a81bcfb6ac20cdd2e8dec3da14c8bbe1d18f6321 ]

When high load on the DWC3 SuperSpeed port, the controller crashes with:
[  221.141621] xhci-hcd xhci-hcd.0.auto: xHCI host not responding to stop endpoint command.
[  221.157631] xhci-hcd xhci-hcd.0.auto: Host halt failed, -110
[  221.157635] xhci-hcd xhci-hcd.0.auto: xHCI host controller not responding, assume dead
[  221.159901] xhci-hcd xhci-hcd.0.auto: xHCI host not responding to stop endpoint command.
[  221.159961] hub 2-1.1:1.0: hub_ext_port_status failed (err = -22)
[  221.160076] xhci-hcd xhci-hcd.0.auto: HC died; cleaning up
[  221.165946] usb 2-1.1-port1: cannot reset (err = -22)

Setting the parkmode_disable_ss_quirk quirk fixes the issue.

Reported-by: Tim <elatllat@...il.com>
Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
Signed-off-by: Kevin Hilman <khilman@...libre.com>
Cc: Jianxin Pan <jianxin.pan@...ogic.com>
CC: Dongjin Kim <tobetter@...il.com>
Link: https://lore.kernel.org/r/20200221091532.8142-4-narmstrong@baylibre.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 2199a54c720cb..1234bc7974294 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -2381,6 +2381,7 @@
 				dr_mode = "host";
 				snps,dis_u2_susphy_quirk;
 				snps,quirk-frame-length-adjustment;
+				snps,parkmode-disable-ss-quirk;
 			};
 		};
 
-- 
2.25.1