From mboxrd@z Thu Jan  1 00:00:00 1970
From: robin.murphy@arm.com (Robin Murphy)
Date: Wed, 10 Jan 2018 15:31:08 +0000
Subject: [PATCH 11/33] dma-mapping: move swiotlb arch helpers to a new
 header
In-Reply-To: <20180110152617.GB17790@lst.de>
References: <20180110080027.13879-1-hch@lst.de>
 <20180110080027.13879-12-hch@lst.de>
 <3721b4ba-0685-255e-06b9-6e60678a1a92@arm.com>
 <20180110152617.GB17790@lst.de>
Message-ID: <b0f90ed0-989f-4dc2-6f86-de8b4e486b55@arm.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 10/01/18 15:26, Christoph Hellwig wrote:
> On Wed, Jan 10, 2018 at 02:56:01PM +0000, Robin Murphy wrote:
>> I took a look at these, and it seems their phys_to_dma() usage is doing the
>> thing which we subsequently formalised as dma_map_resource(). I've had a
>> crack at a quick patch to update the CESA driver; qcom_nandc looks slightly
>> more complex in that the changes probably need to span the BAM dmaengine
>> driver as well.
> 
> Sounds great, although probably something for the next merge window.
> 
> In the meantime does this patch looks good to you?

Yes indeed, modulo Vladimir's comments - it does seem prudent to fix the 
obvious off-by-ones as we touch them. I've wanted to do something like 
this for ages, but never got around to it myself.

Thanks,
Robin.