[PATCH v3 14/16] block-dma: migrate to dma_map_phys instead of map_page

[Leon Romanovsky]

From: Leon Romanovsky <leo...@nvidia.com>

After introduction of dma_map_phys(), there is no need to convert
from physical address to struct page in order to map page. So let's
use it directly.

Signed-off-by: Leon Romanovsky <leo...@nvidia.com>
---
 block/blk-mq-dma.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/blk-mq-dma.c b/block/blk-mq-dma.c
index ad283017caef..37e2142be4f7 100644
--- a/block/blk-mq-dma.c
+++ b/block/blk-mq-dma.c
@@ -87,8 +87,8 @@ static bool blk_dma_map_bus(struct blk_dma_iter *iter, struct 
phys_vec *vec)
 static bool blk_dma_map_direct(struct request *req, struct device *dma_dev,
                struct blk_dma_iter *iter, struct phys_vec *vec)
 {
-       iter->addr = dma_map_page(dma_dev, phys_to_page(vec->paddr),
-                       offset_in_page(vec->paddr), vec->len, rq_dma_dir(req));
+       iter->addr = dma_map_phys(dma_dev, vec->paddr, vec->len,
+                       rq_dma_dir(req), 0);
        if (dma_mapping_error(dma_dev, iter->addr)) {
                iter->status = BLK_STS_RESOURCE;
                return false;
-- 
2.50.1