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-rw-r--r--drivers/mmc/card/block.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index c0cb225bbb47..a1cb21f95302 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1030,13 +1030,20 @@ static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq,
1030 if (brq->data.blocks > card->host->max_blk_count) 1030 if (brq->data.blocks > card->host->max_blk_count)
1031 brq->data.blocks = card->host->max_blk_count; 1031 brq->data.blocks = card->host->max_blk_count;
1032 1032
1033 /* 1033 if (brq->data.blocks > 1) {
1034 * After a read error, we redo the request one sector at a time 1034 /*
1035 * in order to accurately determine which sectors can be read 1035 * After a read error, we redo the request one sector
1036 * successfully. 1036 * at a time in order to accurately determine which
1037 */ 1037 * sectors can be read successfully.
1038 if (disable_multi && brq->data.blocks > 1) 1038 */
1039 brq->data.blocks = 1; 1039 if (disable_multi)
1040 brq->data.blocks = 1;
1041
1042 /* Some controllers can't do multiblock reads due to hw bugs */
1043 if (card->host->caps2 & MMC_CAP2_NO_MULTI_READ &&
1044 rq_data_dir(req) == READ)
1045 brq->data.blocks = 1;
1046 }
1040 1047
1041 if (brq->data.blocks > 1 || do_rel_wr) { 1048 if (brq->data.blocks > 1 || do_rel_wr) {
1042 /* SPI multiblock writes terminate using a special 1049 /* SPI multiblock writes terminate using a special