Loading drivers/mmc/core/block.c +10 −0 Original line number Diff line number Diff line Loading @@ -1370,6 +1370,16 @@ static void mmc_blk_data_prep(struct mmc_queue *mq, struct mmc_queue_req *mqrq, brq->data.blocks = card->host->max_blk_count; if (brq->data.blocks > 1) { /* * Some SD cards in SPI mode return a CRC error or even lock up * completely when trying to read the last block using a * multiblock read command. */ if (mmc_host_is_spi(card->host) && (rq_data_dir(req) == READ) && (blk_rq_pos(req) + blk_rq_sectors(req) == get_capacity(md->disk))) brq->data.blocks--; /* * After a read error, we redo the request one sector * at a time in order to accurately determine which Loading Loading
drivers/mmc/core/block.c +10 −0 Original line number Diff line number Diff line Loading @@ -1370,6 +1370,16 @@ static void mmc_blk_data_prep(struct mmc_queue *mq, struct mmc_queue_req *mqrq, brq->data.blocks = card->host->max_blk_count; if (brq->data.blocks > 1) { /* * Some SD cards in SPI mode return a CRC error or even lock up * completely when trying to read the last block using a * multiblock read command. */ if (mmc_host_is_spi(card->host) && (rq_data_dir(req) == READ) && (blk_rq_pos(req) + blk_rq_sectors(req) == get_capacity(md->disk))) brq->data.blocks--; /* * After a read error, we redo the request one sector * at a time in order to accurately determine which Loading