From mboxrd@z Thu Jan  1 00:00:00 1970
From: Valentine <valentine.barshak@cogentembedded.com>
Date: Wed, 29 Jan 2014 09:52:33 +0000
Subject: Re: [PATCH RFC 2/2] ARM: shmobile: lager: Increase the size of ARM corehent DMA pool
Message-Id: <52E8CF61.1010907@cogentembedded.com>
List-Id: <linux-sh.vger.kernel.org>
References: <1390935213-12896-3-git-send-email-valentine.barshak@cogentembedded.com>
In-Reply-To: <1390935213-12896-3-git-send-email-valentine.barshak@cogentembedded.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: linux-sh@vger.kernel.org

On 01/29/2014 01:07 PM, Ben Dooks wrote:
> On 28/01/14 18:53, Valentine Barshak wrote:
>> This increases the size of ARM coherent DMA pool to 4MB to
>> avoid issues with DMA bounce for PCI DMA transfers.
>
> Would it be easier to enable CMA support given that the DU
> driver really needs it.
>

It doesn't help since dmabounce driver does not allocate bounce buffers from CMA.

Thanks,
Val.