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path: root/drivers/mmc/card/queue.c
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Diffstat (limited to 'drivers/mmc/card/queue.c')
-rw-r--r--drivers/mmc/card/queue.c53
1 files changed, 3 insertions, 50 deletions
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 3f6a2463ab30..7dacf2744fbd 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -406,41 +406,6 @@ void mmc_queue_resume(struct mmc_queue *mq)
}
}
-static unsigned int mmc_queue_packed_map_sg(struct mmc_queue *mq,
- struct mmc_packed *packed,
- struct scatterlist *sg,
- enum mmc_packed_type cmd_type)
-{
- struct scatterlist *__sg = sg;
- unsigned int sg_len = 0;
- struct request *req;
-
- if (mmc_packed_wr(cmd_type)) {
- unsigned int hdr_sz = mmc_large_sector(mq->card) ? 4096 : 512;
- unsigned int max_seg_sz = queue_max_segment_size(mq->queue);
- unsigned int len, remain, offset = 0;
- u8 *buf = (u8 *)packed->cmd_hdr;
-
- remain = hdr_sz;
- do {
- len = min(remain, max_seg_sz);
- sg_set_buf(__sg, buf + offset, len);
- offset += len;
- remain -= len;
- sg_unmark_end(__sg++);
- sg_len++;
- } while (remain);
- }
-
- list_for_each_entry(req, &packed->list, queuelist) {
- sg_len += blk_rq_map_sg(mq->queue, req, __sg);
- __sg = sg + (sg_len - 1);
- sg_unmark_end(__sg++);
- }
- sg_mark_end(sg + (sg_len - 1));
- return sg_len;
-}
-
/*
* Prepare the sg list(s) to be handed of to the host driver
*/
@@ -449,26 +414,14 @@ unsigned int mmc_queue_map_sg(struct mmc_queue *mq, struct mmc_queue_req *mqrq)
unsigned int sg_len;
size_t buflen;
struct scatterlist *sg;
- enum mmc_packed_type cmd_type;
int i;
- cmd_type = mqrq->cmd_type;
-
- if (!mqrq->bounce_buf) {
- if (mmc_packed_cmd(cmd_type))
- return mmc_queue_packed_map_sg(mq, mqrq->packed,
- mqrq->sg, cmd_type);
- else
- return blk_rq_map_sg(mq->queue, mqrq->req, mqrq->sg);
- }
+ if (!mqrq->bounce_buf)
+ return blk_rq_map_sg(mq->queue, mqrq->req, mqrq->sg);
BUG_ON(!mqrq->bounce_sg);
- if (mmc_packed_cmd(cmd_type))
- sg_len = mmc_queue_packed_map_sg(mq, mqrq->packed,
- mqrq->bounce_sg, cmd_type);
- else
- sg_len = blk_rq_map_sg(mq->queue, mqrq->req, mqrq->bounce_sg);
+ sg_len = blk_rq_map_sg(mq->queue, mqrq->req, mqrq->bounce_sg);
mqrq->bounce_sg_len = sg_len;