mmc: queue: Match the data type of max_segments
authorChanWoo Lee <cw9316.lee@samsung.com>
Tue, 24 Aug 2021 07:39:34 +0000 (16:39 +0900)
committerUlf Hansson <ulf.hansson@linaro.org>
Tue, 24 Aug 2021 14:59:39 +0000 (16:59 +0200)
Each function has a different data type for max_segments,
Modify to match unsigned short(host->max_segs).
* unsigned short          max_segs;       /* see blk_queue_max_segments */

1) Return type : unsigned int
static unsigned int mmc_get_max_segments(struct mmc_host *host)
{
       return host->can_dma_map_merge ? MMC_DMA_MAP_MERGE_SEGMENTS :
                                         host->max_segs;
}

2) Parameter type : int
 mmc_alloc_sg(mmc_get_max_segments(host), gfp);
   -> static struct scatterlist *mmc_alloc_sg(int sg_len, gfp_t gfp)

3) Parameter type : unsigned short
 blk_queue_max_segments(mq->queue, mmc_get_max_segments(host));
   -> void blk_queue_max_segments(struct request_queue *q,
                                        unsigned short max_segments)

Signed-off-by: ChanWoo Lee <cw9316.lee@samsung.com>
Acked-by: Coly Li <colyli@suse.de>
Link: https://lore.kernel.org/r/20210824073934.19727-1-cw9316.lee@samsung.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/core/queue.c

index cc326177763779325560a1e192a990e60ac84c7c..48304bcf963cb94644bbfbed25ac73114da10419 100644 (file)
@@ -163,7 +163,7 @@ static void mmc_mq_recovery_handler(struct work_struct *work)
        blk_mq_run_hw_queues(q, true);
 }
 
-static struct scatterlist *mmc_alloc_sg(int sg_len, gfp_t gfp)
+static struct scatterlist *mmc_alloc_sg(unsigned short sg_len, gfp_t gfp)
 {
        struct scatterlist *sg;
 
@@ -193,7 +193,7 @@ static void mmc_queue_setup_discard(struct request_queue *q,
                blk_queue_flag_set(QUEUE_FLAG_SECERASE, q);
 }
 
-static unsigned int mmc_get_max_segments(struct mmc_host *host)
+static unsigned short mmc_get_max_segments(struct mmc_host *host)
 {
        return host->can_dma_map_merge ? MMC_DMA_MAP_MERGE_SEGMENTS :
                                         host->max_segs;