From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from hqemgate14.nvidia.com ([216.228.121.143]:12415 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730377AbfBMNRi (ORCPT ); Wed, 13 Feb 2019 08:17:38 -0500 From: Jon Hunter Subject: [PATCH] arm64: tegra: Disable CQE Support for SDMMC4 on Tegra186 Date: Wed, 13 Feb 2019 13:17:29 +0000 Message-ID: <1550063849-24719-1-git-send-email-jonathanh@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain Sender: devicetree-owner@vger.kernel.org To: Thierry Reding Cc: devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, Sowjanya Komatineni , Jonathan Hunter List-ID: From: Jonathan Hunter Enabling CQE support on Tegra186 Jetson TX2 has introduced a regression that is causing accesses to the file-system on the eMMC to fail. Errors such as the following have been observed ... mmc2: running CQE recovery mmc2: mmc_select_hs400 failed, error -110 print_req_error: I/O error, dev mmcblk2, sector 8 flags 80700 mmc2: cqhci: CQE failed to exit halt state For now disable CQE support for Tegra186 until this issue is resolved. Fixes: dfd3cb6feb73 arm64: tegra: Add CQE Support for SDMMC4 Signed-off-by: Jonathan Hunter --- arch/arm64/boot/dts/nvidia/tegra186.dtsi | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index bb2045be8814..97aeb946ed5e 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -321,7 +321,6 @@ nvidia,default-trim = <0x9>; nvidia,dqs-trim = <63>; mmc-hs400-1_8v; - supports-cqe; status = "disabled"; }; -- 1.9.1