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path: root/drivers/mmc/core/queue.c
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Diffstat (limited to 'drivers/mmc/core/queue.c')
-rw-r--r--drivers/mmc/core/queue.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index 3557d5c51141..7102e2ebc614 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -10,6 +10,7 @@
#include <linux/kthread.h>
#include <linux/scatterlist.h>
#include <linux/dma-mapping.h>
+#include <linux/backing-dev.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
@@ -350,18 +351,15 @@ static const struct blk_mq_ops mmc_mq_ops = {
static void mmc_setup_queue(struct mmc_queue *mq, struct mmc_card *card)
{
struct mmc_host *host = card->host;
- u64 limit = BLK_BOUNCE_HIGH;
unsigned block_size = 512;
- if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask)
- limit = (u64)dma_max_pfn(mmc_dev(host)) << PAGE_SHIFT;
-
blk_queue_flag_set(QUEUE_FLAG_NONROT, mq->queue);
blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, mq->queue);
if (mmc_can_erase(card))
mmc_queue_setup_discard(mq->queue, card);
- blk_queue_bounce_limit(mq->queue, limit);
+ if (!mmc_dev(host)->dma_mask || !*mmc_dev(host)->dma_mask)
+ blk_queue_bounce_limit(mq->queue, BLK_BOUNCE_HIGH);
blk_queue_max_hw_sectors(mq->queue,
min(host->max_blk_count, host->max_req_size / 512));
blk_queue_max_segments(mq->queue, host->max_segs);
@@ -430,6 +428,10 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card)
goto free_tag_set;
}
+ if (mmc_host_is_spi(host) && host->use_spi_crc)
+ mq->queue->backing_dev_info->capabilities |=
+ BDI_CAP_STABLE_WRITES;
+
mq->queue->queuedata = mq;
blk_queue_rq_timeout(mq->queue, 60 * HZ);