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authorJonathan Hunter <jonathanh@nvidia.com>2019-03-25 12:28:07 +0100
committerArnd Bergmann <arnd@arndb.de>2019-03-25 17:12:20 +0100
commit93958742192e7956d05989836ada9071f9ffe42e (patch)
tree74e971a539ec8a0ce37e209f825ab63bfa2fead5 /arch
parent2e8c54db3b69f387a9651ca807a33506ec30fe87 (diff)
downloadlinux-93958742192e7956d05989836ada9071f9ffe42e.tar.gz
arm64: tegra: Disable CQE Support for SDMMC4 on Tegra186
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 <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/boot/dts/nvidia/tegra186.dtsi1
1 files changed, 0 insertions, 1 deletions
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";
 	};