Message ID | 20190325112807.24474-1-thierry.reding@gmail.com |
---|---|
State | Accepted |
Headers | show |
Series | arm64: tegra: Disable CQE Support for SDMMC4 on Tegra186 | expand |
On Mon, Mar 25, 2019 at 12:28 PM Thierry Reding <thierry.reding@gmail.com> wrote: > > From: Jonathan Hunter <jonathanh@nvidia.com> > > 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> > --- > Hi ARM SoC maintainers, > > Turned out there was a hardware bug that currently prevents CQE from > working on Tegra186. Patches for this are being worked on and are on > track to be merged for v5.2 but they are too involved to make it into > v5.1, so let's back out CQE support on Tegra186. > > Can you please apply this for v5.1-rc3? > Applied on arm/fixes Arnd
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"; };