[PATCH] ARM: ux500: set coherent_dma_mask for dma40

[Linus Walleij]

On Thu, Jun 13, 2013 at 3:56 PM, Fabio Baltieri
<fabio.baltieri at linaro.org> wrote:

> Set coherent_dma_mask to DMA_BIT_MASK(32) for dma40 platform_device, as
> without this DMA allocations were failing with the error:
>
> dma40 dma40.0: coherent DMA mask is unset
>
> when booting without device-tree.
>
> Signed-off-by: Fabio Baltieri <fabio.baltieri at linaro.org>
> ---
>
> Hi Linus, Lee,
>
> I found this while removing the last hack I was keeping in my ASoC tree.
> I originally thought that I had to set this on the driver's pdata, but
> it turns out it's needed on the DMA controller one instead.
>
> When booting with device-tree enabled the mask seems to be set
> automatically.
>
> Would you consider applying this with the other dma40 patches?

Those are now upstream in the ARM SoC tree, you'd have to send it
to arm at kernel.org and ask Olof/Arnd to apply it directly to
the next/drivers branch (I think).

I have also queued it on ux500-fixes so it won't be lost.

Yours,
Linus Walleij