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staging: mt7621-mmc: set correct dma mask. 

Since commit f8c55dc6e8 ("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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
NeilBrown 2018-12-09 16:20:32 +11:00 committed by Greg Kroah-Hartman
parent 370e0a7101
commit 84519a4b0f
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/mt7621-mmc/sd.c
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@ -1693,7 +1693,7 @@ 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,