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path: root/drivers/mmc/card
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Diffstat (limited to 'drivers/mmc/card')
-rw-r--r--drivers/mmc/card/block.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 91cda7551a60..dd2d374dcc7a 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1284,7 +1284,7 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
int ret = 1, disable_multi = 0, retry = 0, type;
enum mmc_blk_status status;
struct mmc_queue_req *mq_rq;
- struct request *req;
+ struct request *req = rqc;
struct mmc_async_req *areq;
if (!rqc && !mq->mqrq_prev->req)
@@ -1292,6 +1292,16 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
do {
if (rqc) {
+ /*
+ * When 4KB native sector is enabled, only 8 blocks
+ * multiple read or write is allowed
+ */
+ if ((brq->data.blocks & 0x07) &&
+ (card->ext_csd.data_sector_size == 4096)) {
+ pr_err("%s: Transfer size is not 4KB sector size aligned\n",
+ req->rq_disk->disk_name);
+ goto cmd_abort;
+ }
mmc_blk_rw_rq_prep(mq->mqrq_cur, card, 0, mq);
areq = &mq->mqrq_cur->mmc_active;
} else
@@ -1539,7 +1549,12 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
snprintf(md->disk->disk_name, sizeof(md->disk->disk_name),
"mmcblk%d%s", md->name_idx, subname ? subname : "");
- blk_queue_logical_block_size(md->queue.queue, 512);
+ if (mmc_card_mmc(card))
+ blk_queue_logical_block_size(md->queue.queue,
+ card->ext_csd.data_sector_size);
+ else
+ blk_queue_logical_block_size(md->queue.queue, 512);
+
set_capacity(md->disk, size);
if (mmc_host_cmd23(card->host)) {