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

Geert Uytterhoeven
2014-03-31T07:46:12Z

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@gmail.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@debian.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@linux-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