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mmc: drop nth_page() usage within SG entry

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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>
This commit is contained in:
David Hildenbrand
2025-09-01 17:03:50 +02:00
committed by Andrew Morton
parent a1f4c374cc
commit 727fd054a0
2 changed files with 4 additions and 4 deletions
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4
drivers/mmc/host/tifm_sd.c
View File

@@ -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);

4
drivers/mmc/host/usdhi6rol0.c
View File

@@ -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;