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Diffstat (limited to 'drivers/mmc/card/block.c')
| -rw-r--r-- | drivers/mmc/card/block.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index ede41f05c392..adab9038f6f7 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -1402,6 +1402,16 @@ static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq, if (card->host->caps2 & MMC_CAP2_NO_MULTI_READ && rq_data_dir(req) == READ) brq->data.blocks = 1; + + /* + * Some controllers have HW issues while operating + * in multiple I/O mode + */ + if (card->host->ops->multi_io_quirk) + brq->data.blocks = card->host->ops->multi_io_quirk(card, + (rq_data_dir(req) == READ) ? + MMC_DATA_READ : MMC_DATA_WRITE, + brq->data.blocks); } if (brq->data.blocks > 1 || do_rel_wr) { |