Commit 45a3fe3b authored by Raul E Rangel's avatar Raul E Rangel Committed by Ulf Hansson
Browse files

mmc: sdhci-acpi: Add SDHCI_QUIRK2_BROKEN_64_BIT_DMA for AMDI0040 



The AMD eMMC 5.0 controller does not support 64 bit DMA.

Fixes: 34597a3f ("mmc: sdhci-acpi: Add support for ACPI HID of AMD Controller with HS400")
Signed-off-by: default avatarRaul E Rangel <rrangel@chromium.org>
Link: https://marc.info/?l=linux-mmc&m=158879884514552&w=2


Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200508165344.1.Id5bb8b1ae7ea576f26f9d91c761df7ccffbf58c5@changeid


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent c077dc5e

drivers/mmc/host/sdhci-acpi.c

+6 −4
Original line number Diff line number Diff line
@@ -607,8 +607,10 @@ 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 |

	.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,

};

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