linux-kernel - [PATCH 1/6] mmc: JZ4740: remove the flush_kernel_dcache_page call in jz4740_mmc_read

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Date:   Mon, 12 Jul 2021 08:09:23 +0200
From:   Christoph Hellwig <hch@....de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>
Cc:     Russell King <linux@...linux.org.uk>, Guo Ren <guoren@...nel.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Nick Hu <nickhu@...estech.com>,
        Greentime Hu <green.hu@...il.com>,
        Vincent Chen <deanbo422@...il.com>,
        Helge Deller <deller@....de>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        Geoff Levand <geoff@...radead.org>,
        Paul Cercueil <paul@...pouillou.net>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Alex Shi <alexs@...nel.org>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-csky@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
        linux-sh@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-scsi@...r.kernel.org, linux-mm@...ck.org,
        linux-doc@...r.kernel.org
Subject: [PATCH 1/6] mmc: JZ4740: remove the flush_kernel_dcache_page call in jz4740_mmc_read_data

MIPS now implements flush_kernel_dcache_page (as an alias to
flush_dcache_page).

Signed-off-by: Christoph Hellwig <hch@....de>
---
 drivers/mmc/host/jz4740_mmc.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
index 0db17bcc9c16..aa2240c83510 100644
--- a/drivers/mmc/host/jz4740_mmc.c
+++ b/drivers/mmc/host/jz4740_mmc.c
@@ -578,10 +578,6 @@ static bool jz4740_mmc_read_data(struct jz4740_mmc_host *host,
 			}
 		}
 		data->bytes_xfered += miter->length;
-
-		/* This can go away once MIPS implements
-		 * flush_kernel_dcache_page */
-		flush_dcache_page(miter->page);
 	}
 	sg_miter_stop(miter);
 
-- 
2.30.2