Re: [PATCH 2/2] bcma: use of_dma_configure() to set initial dma mask

From: Arnd Bergmann
Date: Thu Mar 17 2016 - 05:23:08 EST


On Thursday 17 March 2016 10:20:21 Arnd Bergmann wrote:
> While fixing another bug, I noticed that bcma manually sets up
> a dma_mask pointer for its child devices. We have a generic
> helper for that now, which should be able to cope better with
> any variations that might be needed to deal with cache coherency,
> unusual DMA address offsets, iommus, or limited DMA masks, none
> of which are currently handled here.
>
> This changes the core to use the of_dma_configure(), like
> we do for platform devices that are probed directly from
> DT.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
>
> This patch needs to be tested to ensure we don't introduce
> regressions, and should probably go into 4.7 as a cleanup.
>

I had meant to send at least a build-tested version of this,
sorry for the premature submission that breaks the build.

v2 coming.

Arnd