On 9/05/20 1:54 am, Raul E Rangel wrote: > The AMD eMMC 5.0 controller does not support 64 bit DMA. > > See the discussion here: https://marc.info/?l=linux-mmc&m=158879884514552&w=2 > > Fixes: 34597a3f60b1 ("mmc: sdhci-acpi: Add support for ACPI HID of AMD Controller with HS400") > Signed-off-by: Raul E Rangel <rrangel@xxxxxxxxxxxx> Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> > --- > > drivers/mmc/host/sdhci-acpi.c | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > > diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c > index faba53cf139b..d8b76cb8698a 100644 > --- a/drivers/mmc/host/sdhci-acpi.c > +++ b/drivers/mmc/host/sdhci-acpi.c > @@ -605,10 +605,12 @@ static int sdhci_acpi_emmc_amd_probe_slot(struct platform_device *pdev, > } > > static const struct sdhci_acpi_slot sdhci_acpi_slot_amd_emmc = { > - .chip = &sdhci_acpi_chip_amd, > - .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE, > - .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | SDHCI_QUIRK_32BIT_DMA_SIZE | > - SDHCI_QUIRK_32BIT_ADMA_SIZE, > + .chip = &sdhci_acpi_chip_amd, > + .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE, > + .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | > + SDHCI_QUIRK_32BIT_DMA_SIZE | > + SDHCI_QUIRK_32BIT_ADMA_SIZE, > + .quirks2 = SDHCI_QUIRK2_BROKEN_64_BIT_DMA, > .probe_slot = sdhci_acpi_emmc_amd_probe_slot, > }; > >
