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mmc: sunxi: Disable eMMC HS-DDR (MMC_CAP_1_8V_DDR) for Allwinner A80 

eMMC HS-DDR no longer works on the A80, despite it working when support
for this developed.

Disable it for now.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Chen-Yu Tsai 2016-04-26 23:37:26 +08:00 committed by Ulf Hansson
parent 6e1c7d6103
commit 2963070a0f
1 changed files with 5 additions and 0 deletions
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5
drivers/mmc/host/sunxi-mmc.c
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@ -1129,6 +1129,11 @@ static int sunxi_mmc_probe(struct platform_device *pdev)
MMC_CAP_1_8V_DDR |
MMC_CAP_ERASE | MMC_CAP_SDIO_IRQ;
/* TODO MMC DDR is not working on A80 */
if (of_device_is_compatible(pdev->dev.of_node,
"allwinner,sun9i-a80-mmc"))
mmc->caps &= ~MMC_CAP_1_8V_DDR;
ret = mmc_of_parse(mmc);
if (ret)
goto error_free_dma;