[MMC] Add DATA_MULTI flag

Some hosts need to know that a transfer will be multi-block.
Add a data flag to indicate multiple data block transfers.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c
index 198561d21710..f43cdfcbfd2c 100644
--- a/drivers/mmc/mmc_block.c
+++ b/drivers/mmc/mmc_block.c
@@ -200,7 +200,13 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
                         brq.data.flags |= MMC_DATA_WRITE;
                         brq.data.blocks = 1;
                 }
-                brq.mrq.stop = brq.data.blocks > 1 ? &brq.stop : NULL;
+
+                if (brq.data.blocks > 1) {
+                        brq.data.flags |= MMC_DATA_MULTI;
+                        brq.mrq.stop = &brq.stop;
+                } else {
+                        brq.mrq.stop = NULL;
+                }
 
                 brq.data.sg = mq->sg;
                 brq.data.sg_len = blk_rq_map_sg(req->q, req, brq.data.sg);