In preparation for supporting a queue of requests, factor out
mmc_queue_alloc_sgs().
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
drivers/mmc/card/queue.c | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 0d29dc325361..40af3b98dc2e 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -231,6 +231,21 @@ static int mmc_queue_alloc_bounce_sgs(struct mmc_queue *mq,
return ret;
}
+static int mmc_queue_alloc_sgs(struct mmc_queue *mq, int max_segs)
+{
+ struct mmc_queue_req *mqrq_cur = mq->mqrq_cur;
+ struct mmc_queue_req *mqrq_prev = mq->mqrq_prev;
+ int ret;
+
+ mqrq_cur->sg = mmc_alloc_sg(max_segs, &ret);
+ if (ret)
+ return ret;
+
+ mqrq_prev->sg = mmc_alloc_sg(max_segs, &ret);
+
+ return ret;
+}
+
/**
* mmc_init_queue - initialise a queue structure.
* @mq: mmc queue
@@ -303,12 +318,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card,
blk_queue_max_segments(mq->queue, host->max_segs);
blk_queue_max_segment_size(mq->queue, host->max_seg_size);
- mqrq_cur->sg = mmc_alloc_sg(host->max_segs, &ret);
- if (ret)
- goto cleanup_queue;
-
-
- mqrq_prev->sg = mmc_alloc_sg(host->max_segs, &ret);
+ ret = mmc_queue_alloc_sgs(mq, host->max_segs);
if (ret)
goto cleanup_queue;
}
--
1.9.1
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