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mmc: tmio: add references to bit defines in the header 

When defining bits, make sure we always have a reference to the register
they belong to. For now, renaming all bits properly seems too intrusive,
so at least make sure we have proper documentation.

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 12:56:47 +02:00 committed by Ulf Hansson
parent a43ff82ece
commit c78e1694d0
1 changed files with 2 additions and 0 deletions
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2
drivers/mmc/host/tmio_mmc.h
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@ -81,9 +81,11 @@
#define TMIO_STAT_CMD_BUSY BIT(30)
#define TMIO_STAT_ILL_ACCESS BIT(31)
/* Definitions for values the CTL_SD_CARD_CLK_CTL register can take */
#define CLK_CTL_DIV_MASK 0xff
#define CLK_CTL_SCLKEN BIT(8)
/* Definitions for values the CTL_SD_MEM_CARD_OPT register can take */
#define CARD_OPT_WIDTH8 BIT(13)
#define CARD_OPT_WIDTH BIT(15)