| From 7f7a27c52a5e1cc17f06849056acf287f95e3203 Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Fri, 8 May 2020 16:54:21 -0600 |
| Subject: mmc: sdhci-acpi: Add SDHCI_QUIRK2_BROKEN_64_BIT_DMA for AMDI0040 |
| |
| From: Raul E Rangel <rrangel@chromium.org> |
| |
| [ Upstream commit 45a3fe3bf93b7cfeddc28ef7386555e05dc57f06 ] |
| |
| The AMD eMMC 5.0 controller does not support 64 bit DMA. |
| |
| Fixes: 34597a3f60b1 ("mmc: sdhci-acpi: Add support for ACPI HID of AMD Controller with HS400") |
| Signed-off-by: Raul E Rangel <rrangel@chromium.org> |
| Link: https://marc.info/?l=linux-mmc&m=158879884514552&w=2 |
| Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
| Acked-by: Adrian Hunter <adrian.hunter@intel.com> |
| Link: https://lore.kernel.org/r/20200508165344.1.Id5bb8b1ae7ea576f26f9d91c761df7ccffbf58c5@changeid |
| Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| 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 2a2173d953f58..7da47196c596a 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, |
| }; |
| |
| -- |
| 2.20.1 |
| |