linux-kernel - Re: [PATCH] dmaengine: use phys_addr

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Message-ID: <CAMuHMdUTzTBT8DyRb5WN048U5DbVsFnhJB0c5tjHBnA4rfetJg@mail.gmail.com>
Date:	Wed, 8 Jul 2015 12:12:52 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Lee Jones <lee.jones@...aro.org>,
	Vinod Koul <vinod.koul@...el.com>, dmaengine@...r.kernel.org,
	Linux-sh list <linux-sh@...r.kernel.org>
Subject: Re: [PATCH] dmaengine: use phys_addr_t for slave configuration

On Fri, Apr 26, 2013 at 11:06 AM, Linus Walleij
<linus.walleij@...aro.org> wrote:
> The documentation already says these are physical addresses, and
> we have concluded that any translation into the DMA address space
> needs to reside in the dmaengine driver, so change the type of
> the passed arguments.
>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Lee Jones <lee.jones@...aro.org>
> Cc: Vinod Koul <vinod.koul@...el.com>
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>

What's the status of this one, which has been acked by Lee and Arnd?

Thanks!

> ---
>  include/linux/dmaengine.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
> index 91ac8da..681df5f9 100644
> --- a/include/linux/dmaengine.h
> +++ b/include/linux/dmaengine.h
> @@ -361,8 +361,8 @@ enum dma_slave_buswidth {
>   */
>  struct dma_slave_config {
>         enum dma_transfer_direction direction;
> -       dma_addr_t src_addr;
> -       dma_addr_t dst_addr;
> +       phys_addr_t src_addr;
> +       phys_addr_t dst_addr;
>         enum dma_slave_buswidth src_addr_width;
>         enum dma_slave_buswidth dst_addr_width;
>         u32 src_maxburst;
> --
> 1.8.1.4

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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