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ramips: fix mmc driver (#3285)

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Since commit f8c55dc ("MIPS: use generic dma noncoherent ops for
simple noncoherent platforms") changed MIPS dma handling, the mmc
driver fails because it doesn't have a dma mask is set.

So set the correct dma mask.

Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: DENG Qingfang <dengqf6@mail2.sysu.edu.cn>

Co-authored-by: DENG Qingfang <dengqf6@mail2.sysu.edu.cn>
This commit is contained in:
AmadeusGhost 2020-02-24 20:26:25 +08:00 committed by GitHub
parent c9f2c9c472
commit f98ac45a63
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1 changed files with 1 additions and 1 deletions
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target/linux/ramips/files-4.14/drivers/mmc/host/mtk-mmc/sd.c
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@ -2284,7 +2284,7 @@ static int msdc_drv_probe(struct platform_device *pdev)
host->mrq = NULL;
//init_MUTEX(&host->sem); /* we don't need to support multiple threads access */
mmc_dev(mmc)->dma_mask = NULL;
dma_coerce_mask_and_coherent(mmc_dev(mmc), DMA_BIT_MASK(32));
/* using dma_alloc_coherent*/ /* todo: using 1, for all 4 slots */
host->dma.gpd = dma_alloc_coherent(&pdev->dev,