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mmc: tmio: document CTL_STATUS handling 

Now that reading CTL_STATUS is consistent, we can remove CTL_STATUS2 and
document how this is handled internally.

Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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 2016-04-27 18:51:27 +02:00 committed by Ulf Hansson
parent a21553c9e0
commit 184adf202b
1 changed files with 2 additions and 1 deletions
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3
drivers/mmc/host/tmio_mmc.h
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@ -30,8 +30,9 @@
#define CTL_STOP_INTERNAL_ACTION 0x08
#define CTL_XFER_BLK_COUNT 0xa
#define CTL_RESPONSE 0x0c
/* driver merges STATUS and following STATUS2 */
#define CTL_STATUS 0x1c
#define CTL_STATUS2 0x1e
/* driver merges IRQ_MASK and following IRQ_MASK2 */
#define CTL_IRQ_MASK 0x20
#define CTL_SD_CARD_CLK_CTL 0x24
#define CTL_SD_XFER_LEN 0x26