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path: root/drivers/mmc/mmc_block.c
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Diffstat (limited to 'drivers/mmc/mmc_block.c')
-rw-r--r--drivers/mmc/mmc_block.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c
index 87713572293..05ba8ace70e 100644
--- a/drivers/mmc/mmc_block.c
+++ b/drivers/mmc/mmc_block.c
@@ -237,13 +237,17 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
brq.mrq.cmd = &brq.cmd;
brq.mrq.data = &brq.data;
- brq.cmd.arg = req->sector << 9;
+ brq.cmd.arg = req->sector;
+ if (!mmc_card_blockaddr(card))
+ brq.cmd.arg <<= 9;
brq.cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC;
brq.data.blksz = 1 << md->block_bits;
- brq.data.blocks = req->nr_sectors >> (md->block_bits - 9);
brq.stop.opcode = MMC_STOP_TRANSMISSION;
brq.stop.arg = 0;
brq.stop.flags = MMC_RSP_R1B | MMC_CMD_AC;
+ brq.data.blocks = req->nr_sectors >> (md->block_bits - 9);
+ if (brq.data.blocks > card->host->max_blk_count)
+ brq.data.blocks = card->host->max_blk_count;
mmc_set_data_timeout(&brq.data, card, rq_data_dir(req) != READ);
@@ -375,9 +379,10 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
spin_unlock_irq(&md->lock);
}
+flush_queue:
+
mmc_card_release_host(card);
-flush_queue:
spin_lock_irq(&md->lock);
while (ret) {
ret = end_that_request_chunk(req, 0,
@@ -494,6 +499,10 @@ mmc_blk_set_blksize(struct mmc_blk_data *md, struct mmc_card *card)
struct mmc_command cmd;
int err;
+ /* Block-addressed cards ignore MMC_SET_BLOCKLEN. */
+ if (mmc_card_blockaddr(card))
+ return 0;
+
mmc_card_claim_host(card);
cmd.opcode = MMC_SET_BLOCKLEN;
cmd.arg = 1 << md->block_bits;