From 5af02d3209d08f329d46024fe24b7a9c447b3e87 Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Fri, 30 Jun 2017 12:56:48 +0200 Subject: [PATCH] mmc: tmio: no magic values when enabling DMA Use a proper define. Signed-off-by: Wolfram Sang Signed-off-by: Ulf Hansson --- drivers/mmc/host/renesas_sdhi_core.c | 2 +- drivers/mmc/host/tmio_mmc.h | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c index 569bcdd..c8d83fa 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 e3e9617..3e6ff89 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 -- 2.7.4