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

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Message-ID: <CAPDyKFq2hqPYR-m3+mo7Gwu1421f_faE0jRpK4nJ8CDe=jHsjw@mail.gmail.com>
Date:   Wed, 4 Aug 2021 13:12:31 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        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>,
        Alex Shi <alexs@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-csky@...r.kernel.org,
        linux-mips <linux-mips@...r.kernel.org>,
        linux-parisc@...r.kernel.org,
        Linux-sh list <linux-sh@...r.kernel.org>,
        linux-mmc <linux-mmc@...r.kernel.org>,
        linux-scsi <linux-scsi@...r.kernel.org>, linux-mm@...ck.org,
        Linux Documentation <linux-doc@...r.kernel.org>
Subject: Re: [PATCH 1/6] mmc: JZ4740: remove the flush_kernel_dcache_page call
 in jz4740_mmc_read_data

On Mon, 12 Jul 2021 at 08:10, Christoph Hellwig <hch@....de> wrote:
>
> MIPS now implements flush_kernel_dcache_page (as an alias to
> flush_dcache_page).
>
> Signed-off-by: Christoph Hellwig <hch@....de>

Apologies for the delay!

Acked-by: Ulf Hansson <ulf.hansson@...aro.org>

Kind regards
Uffe


> ---
>  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
>