diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2016-11-29 12:09:13 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2016-12-05 10:31:05 +0100 |
| commit | 64e29e42a61b8b531eb77f363ddb8e507dfd35ed (patch) | |
| tree | 657a6047a0f75e911a2eeb4f5dd1e96898fdd6ca /drivers/mmc | |
| parent | f2b8b522cf643baa367b6834a49ff3e12cfa9136 (diff) | |
| download | linux-64e29e42a61b8b531eb77f363ddb8e507dfd35ed.tar.bz2 | |
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 <adrian.hunter@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Harjani Ritesh <riteshh@codeaurora.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/card/queue.c | 22 |
1 files 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; } |