[PATCH v2 1/2] mmc: renesas_sdhi_internal_dmac: Fix DMA buffer alignment from 8 to 128-bytes

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From: Takeshi Saito <takeshi.saito.xv@xxxxxxxxxxx>

According to the latest datasheet, the internal DMAC buffer alignment
R-Car Gen3 SDHI HW should be 128-bytes. So, fix it.

Signed-off-by: Takeshi Saito <takeshi.saito.xv@xxxxxxxxxxx>
[shimoda: revise commit description, rebase]
Fixes: 2a68ea7896e3 ("mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
---
 drivers/mmc/host/renesas_sdhi_internal_dmac.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
index fe13e1e..f3e76d6 100644
--- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
@@ -186,8 +186,8 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host,
 			mmc_get_dma_dir(data)))
 		goto force_pio;
 
-	/* This DMAC cannot handle if buffer is not 8-bytes alignment */
-	if (!IS_ALIGNED(sg_dma_address(sg), 8))
+	/* This DMAC cannot handle if buffer is not 128-bytes alignment */
+	if (!IS_ALIGNED(sg_dma_address(sg), 128))
 		goto force_pio_with_unmap;
 
 	if (data->flags & MMC_DATA_READ) {
-- 
2.7.4




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