linux-kernel - Re: [PATCH 3/4] m68k/atari - ataflop: use correct virt/phys translation for DMA buffer

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Date:	Mon, 31 Mar 2014 09:46:11 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Jens Axboe <axboe@...com>
Cc:	"Linux/m68k" <linux-m68k@...r.kernel.org>,
	Debian m68k <debian-68k@...ts.debian.org>,
	Michael Schmitz <schmitz@...ian.org>,
	Michael Schmitz <schmitzmic@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/4] m68k/atari - ataflop: use correct virt/phys
 translation for DMA buffer

Hi Jens,

If you don't object, I'd like to take this one through the m68k tree, as it
depends on a new m68k platform function.

On Sun, Mar 30, 2014 at 1:01 AM, Michael Schmitz <schmitzmic@...il.com> wrote:
> With new ST-RAM allocation to work also when the kernel is running
> from FastRAM, use dedicated virt/phys translation for this case.
>
> Signed-off-by: Michael Schmitz <schmitz@...ian.org>
> ---
>  drivers/block/ataflop.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
> index 0e30c6e..f54655a 100644
> --- a/drivers/block/ataflop.c
> +++ b/drivers/block/ataflop.c
> @@ -1952,7 +1952,7 @@ static int __init atari_floppy_init (void)
>                 goto Enomem;
>         }
>         TrackBuffer = DMABuffer + 512;
> -       PhysDMABuffer = virt_to_phys(DMABuffer);
> +       PhysDMABuffer = atari_stram_to_phys(DMABuffer);
>         PhysTrackBuffer = virt_to_phys(TrackBuffer);
>         BufferDrive = BufferSide = BufferTrack = -1;
>
> --
> 1.7.0.4

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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