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Howlett" , Linus Torvalds , linux-arm-kernel@axis.com, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-ide@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mips@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, Lorenzo Stoakes , Marco Elver , Marek Szyprowski , Michal Hocko , Mike Rapoport , Muchun Song , netdev@vger.kernel.org, Oscar Salvador , Peter Xu , Robin Murphy , Suren Baghdasaryan , Tejun Heo , virtualization@lists.linux.dev, Vlastimil Babka , wireguard@lists.zx2c4.com, x86@kernel.org, Zi Yan Subject: [PATCH v1 28/36] mmc: drop nth_page() usage within SG entry Date: Thu, 28 Aug 2025 00:01:32 +0200 Message-ID: <20250827220141.262669-29-david@redhat.com> In-Reply-To: <20250827220141.262669-1-david@redhat.com> References: <20250827220141.262669-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Stat-Signature: o119assgyy561bpn3hdqmw1m9yd97km4 X-Rspam-User: X-Rspamd-Queue-Id: 49EF2A0012 X-Rspamd-Server: rspam05 X-HE-Tag: 1756332617-701683 X-HE-Meta: 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 G6z01qj8 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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. Acked-by: Ulf Hansson Cc: Alex Dubov Cc: Ulf Hansson Cc: Jesper Nilsson Cc: Lars Persson Signed-off-by: David Hildenbrand --- drivers/mmc/host/tifm_sd.c | 4 ++-- drivers/mmc/host/usdhi6rol0.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c index ac636efd911d3..2cd69c9e9571b 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 85b49c07918b3..3bccf800339ba 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; -- 2.50.1