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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>
This commit is contained in:
Wolfram Sang 2017-06-30 12:56:48 +02:00 committed by Ulf Hansson
parent c78e1694d0
commit 5af02d3209
2 changed files with 4 additions and 1 deletions
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2
drivers/mmc/host/renesas_sdhi_core.c
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@ -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);

3
drivers/mmc/host/tmio_mmc.h
View File

@ -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