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 <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>

diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 8dd5ea4be0a371d76db9f23a299bd02838b6a91b..1aac2ad8edf265d02a676747e81cee0961ef540e 100644 (file)
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -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