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| author | Krishna Reddy <vdumpa@nvidia.com> | 2017-09-08 12:48:33 -0700 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-10-30 11:40:07 +0100 |
| commit | 68481a7e1c84b652c03bd714c1028fb8ea680a9d (patch) | |
| tree | 9b06a5d450887d5568b6d8a41192505d4906ffcb /Documentation | |
| parent | faf73fa17cfe40259c1eafb922b4c5db96ed65e0 (diff) | |
| download | linux-68481a7e1c84b652c03bd714c1028fb8ea680a9d.tar.bz2 | |
mmc: tegra: Mark 64 bit dma broken on Tegra186
SDHCI controllers on Tegra186 support 40 bit addressing.
IOVA addresses are 48-bit wide on Tegra186.
SDHCI host common code sets dma mask as either 32-bit or 64-bit.
To avoid access issues when SMMU is enabled, disable 64-bit dma.
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'Documentation')
0 files changed, 0 insertions, 0 deletions