domenico/openwrt_NSS_ACW
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ramips: mtk-mmc: set correct DMA mask

Browse Source 
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>
This commit is contained in:
DENG Qingfang
2020-01-17 16:04:14 +08:00
committed by Chuanhong Guo
parent d4903b5720
commit d75c9b8f81
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
target/linux/ramips/files/drivers/mmc/host/mtk-mmc/sd.c
View File

@@ -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,