linux-kernel - Re: [PATCH] dma-mapping: update comment after dmabounce removal

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Message-ID: <CAK8P3a04pfMoTbWDSdUPYXhXi03i3AjWM1B-8j2Z1OJKRmC14A@mail.gmail.com>
Date:   Fri, 22 Jul 2022 14:50:20 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Lukas Bulwahn <lukas.bulwahn@...il.com>
Cc:     Russell King <linux@...linux.org.uk>,
        Christoph Hellwig <hch@....de>, Arnd Bergmann <arnd@...db.de>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        kernel-janitors <kernel-janitors@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dma-mapping: update comment after dmabounce removal

On Wed, Jul 20, 2022 at 9:02 PM Lukas Bulwahn <lukas.bulwahn@...il.com> wrote:
>
> Commit e3217540c271 ("ARM/dma-mapping: remove dmabounce") removes the
> config DMABOUNCE. A comment to the function __dma_page_cpu_to_dev() refers
> to this removed config DMABOUNCE.
>
> Remove the obsolete explanation, but keep the recommendation not to use
> __dma_page_cpu_to_dev() and use dma_sync_* functions instead.
>
> Signed-off-by: Lukas Bulwahn <lukas.bulwahn@...il.com>
> ---

Thanks!

Acked-by: Arnd Bergmann <arnd@...db.de>

The e3217540c271 commit is only in Christoph's dma-mapping tree, so this would
ideally get applied on top before the merge window.

        Arnd