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authorDavid Hildenbrand <david@redhat.com>2025-09-01 17:03:50 +0200
committerAndrew Morton <akpm@linux-foundation.org>2025-09-21 14:22:08 -0700
commit727fd054a01aaecb63151b3ffdacb0a0437453bf (patch)
tree941004834d5d8fb80dec972b4f05c79b1f0e6754
parenta1f4c374cc09789c8ed89b77b45d31e3f15a5685 (diff)
mmc: drop nth_page() usage within SG entry
It's no longer required to use nth_page() when iterating pages within a single SG entry, so let's drop the nth_page() usage. Link: https://lkml.kernel.org/r/20250901150359.867252-30-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Alex Dubov <oakad@yahoo.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Lars Persson <lars.persson@axis.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r--drivers/mmc/host/tifm_sd.c4
-rw-r--r--drivers/mmc/host/usdhi6rol0.c4
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c
index ac636efd911d..2cd69c9e9571 100644
--- a/drivers/mmc/host/tifm_sd.c
+++ b/drivers/mmc/host/tifm_sd.c
@@ -191,7 +191,7 @@ static void tifm_sd_transfer_data(struct tifm_sd *host)
}
off = sg[host->sg_pos].offset + host->block_pos;
- pg = nth_page(sg_page(&sg[host->sg_pos]), off >> PAGE_SHIFT);
+ pg = sg_page(&sg[host->sg_pos]) + (off >> PAGE_SHIFT);
p_off = offset_in_page(off);
p_cnt = PAGE_SIZE - p_off;
p_cnt = min(p_cnt, cnt);
@@ -240,7 +240,7 @@ static void tifm_sd_bounce_block(struct tifm_sd *host, struct mmc_data *r_data)
}
off = sg[host->sg_pos].offset + host->block_pos;
- pg = nth_page(sg_page(&sg[host->sg_pos]), off >> PAGE_SHIFT);
+ pg = sg_page(&sg[host->sg_pos]) + (off >> PAGE_SHIFT);
p_off = offset_in_page(off);
p_cnt = PAGE_SIZE - p_off;
p_cnt = min(p_cnt, cnt);
diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c
index 85b49c07918b..3bccf800339b 100644
--- a/drivers/mmc/host/usdhi6rol0.c
+++ b/drivers/mmc/host/usdhi6rol0.c
@@ -323,7 +323,7 @@ static void usdhi6_blk_bounce(struct usdhi6_host *host,
host->head_pg.page = host->pg.page;
host->head_pg.mapped = host->pg.mapped;
- host->pg.page = nth_page(host->pg.page, 1);
+ host->pg.page = host->pg.page + 1;
host->pg.mapped = kmap(host->pg.page);
host->blk_page = host->bounce_buf;
@@ -503,7 +503,7 @@ static void usdhi6_sg_advance(struct usdhi6_host *host)
/* We cannot get here after crossing a page border */
/* Next page in the same SG */
- host->pg.page = nth_page(sg_page(host->sg), host->page_idx);
+ host->pg.page = sg_page(host->sg) + host->page_idx;
host->pg.mapped = kmap(host->pg.page);
host->blk_page = host->pg.mapped;