From 64e29e42a61b8b531eb77f363ddb8e507dfd35ed Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Tue, 29 Nov 2016 12:09:13 +0200 Subject: [PATCH] mmc: queue: Factor out mmc_queue_alloc_sgs() In preparation for supporting a queue of requests, factor out mmc_queue_alloc_sgs(). Signed-off-by: Adrian Hunter Reviewed-by: Linus Walleij Reviewed-by: Harjani Ritesh Signed-off-by: Ulf Hansson --- 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 46b7b1f0cade..280708d804b9 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -237,6 +237,21 @@ static int mmc_queue_alloc_bounce_sgs(struct mmc_queue *mq, } #endif +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 @@ -309,12 +324,7 @@ 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; }