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

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Message-ID: <13546368.rS15i1tsqM@wuerfel>
Date:	Thu, 17 Mar 2016 10:22:21 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Rafał Miłecki <zajec5@...il.com>
Cc:	Kalle Valo <kvalo@...eaurora.org>,
	Hauke Mehrtens <hauke@...ke-m.de>,
	linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] bcma: use of_dma_configure() to set initial dma mask

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@...db.de>
> ---
> 
> 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