linux-kernel - Re: [PATCH v2] bcma: use of_dma_configure() to set initial dma mask

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Message-ID: <87h9fo5esa.fsf@purkki.adurom.net>
Date:	Wed, 30 Mar 2016 15:30:29 +0300
From:	Kalle Valo <kvalo@...eaurora.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Rafał Miłecki <zajec5@...il.com>,
	Hauke Mehrtens <hauke@...ke-m.de>,
	linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] bcma: use of_dma_configure() to set initial dma mask

Arnd Bergmann <arnd@...db.de> writes:

> 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.

Is anyone able to test this? The full patch is here:

https://patchwork.kernel.org/patch/8608751/

-- 
Kalle Valo