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path: root/drivers/mmc/card/block.c
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Diffstat (limited to 'drivers/mmc/card/block.c')
-rw-r--r--drivers/mmc/card/block.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index b25e9b6516a..adc205c49fb 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -147,7 +147,8 @@ struct mmc_blk_request {
static u32 mmc_sd_num_wr_blocks(struct mmc_card *card)
{
int err;
- __be32 blocks;
+ u32 result;
+ __be32 *blocks;
struct mmc_request mrq;
struct mmc_command cmd;
@@ -199,14 +200,21 @@ static u32 mmc_sd_num_wr_blocks(struct mmc_card *card)
mrq.cmd = &cmd;
mrq.data = &data;
- sg_init_one(&sg, &blocks, 4);
+ blocks = kmalloc(4, GFP_KERNEL);
+ if (!blocks)
+ return (u32)-1;
+
+ sg_init_one(&sg, blocks, 4);
mmc_wait_for_req(card->host, &mrq);
+ result = ntohl(*blocks);
+ kfree(blocks);
+
if (cmd.error || data.error)
- return (u32)-1;
+ result = (u32)-1;
- return ntohl(blocks);
+ return result;
}
static u32 get_card_status(struct mmc_card *card, struct request *req)
@@ -243,7 +251,7 @@ 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;
+ brq.cmd.arg = blk_rq_pos(req);
if (!mmc_card_blockaddr(card))
brq.cmd.arg <<= 9;
brq.cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_ADTC;
@@ -251,7 +259,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
brq.stop.opcode = MMC_STOP_TRANSMISSION;
brq.stop.arg = 0;
brq.stop.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC;
- brq.data.blocks = req->nr_sectors;
+ brq.data.blocks = blk_rq_sectors(req);
/*
* The block layer doesn't support all sector count
@@ -301,7 +309,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
* Adjust the sg list so it is the same size as the
* request.
*/
- if (brq.data.blocks != req->nr_sectors) {
+ if (brq.data.blocks != blk_rq_sectors(req)) {
int i, data_size = brq.data.blocks << 9;
struct scatterlist *sg;
@@ -352,8 +360,8 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
printk(KERN_ERR "%s: error %d transferring data,"
" sector %u, nr %u, card status %#x\n",
req->rq_disk->disk_name, brq.data.error,
- (unsigned)req->sector,
- (unsigned)req->nr_sectors, status);
+ (unsigned)blk_rq_pos(req),
+ (unsigned)blk_rq_sectors(req), status);
}
if (brq.stop.error) {
@@ -521,7 +529,7 @@ static struct mmc_blk_data *mmc_blk_alloc(struct mmc_card *card)
sprintf(md->disk->disk_name, "mmcblk%d", devidx);
- blk_queue_hardsect_size(md->queue.queue, 512);
+ blk_queue_logical_block_size(md->queue.queue, 512);
if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) {
/*