Commit 2ed6d22c authored by Russell King's avatar Russell King Committed by Russell King
Browse files

[MMC] Don't check READY_FOR_DATA when reading 



There's no point checking to see if the card is ready to accept
data when we're reading from it - sending the command only wastes
precious bus bandwidth.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 42431acb

drivers/mmc/mmc_block.c

+20 −18
Original line number Diff line number Diff line
@@ -231,6 +231,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) 
			goto cmd_err;

		}



		if (rq_data_dir(req) != READ) {

			do {

				int err;
@@ -252,6 +253,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) 
			if (mmc_decode_status(cmd.resp))

				goto cmd_err;

#endif

		}



		/*

		 * A block was successfully transferred.