From: Takeshi Saito takeshi.saito.xv@renesas.com
[ Upstream commit d7aefb2887601cf1fc3f86f55d43b2c9aece5e8f ]
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@renesas.com [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@renesas.com Reviewed-by: Wolfram Sang wsa+renesas@sang-engineering.com Tested-by: Wolfram Sang wsa+renesas@sang-engineering.com Link: https://lore.kernel.org/r/1608114572-1892-2-git-send-email-yoshihiro.shimoda... Signed-off-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 cb89f0578d425..f54d0427e9c00 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) {