diff options
Diffstat (limited to 'drivers/mmc/host/sdhci-tegra.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-tegra.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index 0cd6fa80db66..b877c13184c2 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -422,7 +422,15 @@ static const struct sdhci_pltfm_data sdhci_tegra186_pdata = { SDHCI_QUIRK_NO_HISPD_BIT | SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC | SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN, - .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | + /* SDHCI controllers on Tegra186 support 40-bit addressing. + * IOVA addresses are 48-bit wide on Tegra186. + * With 64-bit dma mask used for SDHCI, accesses can + * be broken. Disable 64-bit dma, which would fall back + * to 32-bit dma mask. Ideally 40-bit dma mask would work, + * But it is not supported as of now. + */ + SDHCI_QUIRK2_BROKEN_64_BIT_DMA, .ops = &tegra114_sdhci_ops, }; |