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author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2017-06-30 12:56:48 +0200 |
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committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-08-30 14:01:25 +0200 |
commit | 5af02d3209d08f329d46024fe24b7a9c447b3e87 (patch) | |
tree | 4972f90a8ea49c99fb5f302b7b65016d8a212596 | |
parent | mmc: tmio: add references to bit defines in the header (diff) | |
download | linux-5af02d3209d08f329d46024fe24b7a9c447b3e87.tar.xz linux-5af02d3209d08f329d46024fe24b7a9c447b3e87.zip |
mmc: tmio: no magic values when enabling DMA
Use a proper define.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
-rw-r--r-- | drivers/mmc/host/renesas_sdhi_core.c | 2 | ||||
-rw-r--r-- | drivers/mmc/host/tmio_mmc.h | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c index 569bcdd5e653..c8d83faac004 100644 --- a/drivers/mmc/host/renesas_sdhi_core.c +++ b/drivers/mmc/host/renesas_sdhi_core.c @@ -452,7 +452,7 @@ static int renesas_sdhi_multi_io_quirk(struct mmc_card *card, static void renesas_sdhi_enable_dma(struct tmio_mmc_host *host, bool enable) { - sd_ctrl_write16(host, CTL_DMA_ENABLE, enable ? 2 : 0); + sd_ctrl_write16(host, CTL_DMA_ENABLE, enable ? DMA_ENABLE_DMASDRW : 0); /* enable 32bit access if DMA mode if possibile */ renesas_sdhi_sdbuf_width(host, enable ? 32 : 16); diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h index e3e96178acaa..3e6ff8921440 100644 --- a/drivers/mmc/host/tmio_mmc.h +++ b/drivers/mmc/host/tmio_mmc.h @@ -97,6 +97,9 @@ #define TMIO_SDIO_SETBITS_MASK 0x0006 +/* Definitions for values the CTL_DMA_ENABLE register can take */ +#define DMA_ENABLE_DMASDRW BIT(1) + /* Define some IRQ masks */ /* This is the mask used at reset by the chip */ #define TMIO_MASK_ALL 0x837f031d |