Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 95c7348d authored by Simon Horman's avatar Simon Horman Committed by Chris Ball
Browse files

mmc: tmio: name 0xd8 as CTL_DMA_ENABLE 



This reflects at least the current usage of this register
and I think it improves the readability of the code ever so slightly.

Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Magnus Damm <magnus.damm@gmail.com>
Signed-off-by: default avatarSimon Horman <horms@verge.net.au>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent 4c2b8f26

drivers/mmc/host/tmio_mmc_dma.c

+1 −1
Original line number Diff line number Diff line
@@ -26,7 +26,7 @@ static void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable) 
{

#if defined(CONFIG_SUPERH) || defined(CONFIG_ARCH_SHMOBILE)

	/* Switch DMA mode on or off - SuperH specific? */

	writew(enable ? 2 : 0, host->ctl + (0xd8 << host->bus_shift));

	writew(enable ? 2 : 0, host->ctl + (CTL_DMA_ENABLE << host->bus_shift));

#endif

}

include/linux/mmc/tmio.h

+1 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ 
#define CTL_TRANSACTION_CTL 0x34

#define CTL_SDIO_STATUS 0x36

#define CTL_SDIO_IRQ_MASK 0x38

#define CTL_DMA_ENABLE 0xd8

#define CTL_RESET_SD 0xe0

#define CTL_SDIO_REGS 0x100

#define CTL_CLK_AND_WAIT_CTL 0x138