diff options
| author | Takeshi Saito <takeshi.saito.xv@renesas.com> | 2020-12-16 13:29:31 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2021-02-01 13:54:43 +0300 |
| commit | d7aefb2887601cf1fc3f86f55d43b2c9aece5e8f (patch) | |
| tree | 95aceec0b4821cae75126f0c50b6d842cf1cb490 /drivers/mmc/host/renesas_sdhi_internal_dmac.c | |
| parent | f16c8fd4449efb4441272af6102e55523b15a7ad (diff) | |
| download | linux-d7aefb2887601cf1fc3f86f55d43b2c9aece5e8f.tar.xz | |
mmc: renesas_sdhi_internal_dmac: Fix DMA buffer alignment from 8 to 128-bytes
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.uh@renesas.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/renesas_sdhi_internal_dmac.c')
| -rw-r--r-- | drivers/mmc/host/renesas_sdhi_internal_dmac.c | 4 |
1 files 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 fe13e1ea22dc..f3e76d6b3e3f 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) { |