From: Valentine <valentine.barshak@cogentembedded.com>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH RFC 2/2] ARM: shmobile: lager: Increase the size of ARM corehent DMA pool
Date: Wed, 29 Jan 2014 09:52:33 +0000 [thread overview]
Message-ID: <52E8CF61.1010907@cogentembedded.com> (raw)
In-Reply-To: <1390935213-12896-3-git-send-email-valentine.barshak@cogentembedded.com>
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.
prev parent reply other threads:[~2014-01-29 9:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-28 18:53 [PATCH RFC 2/2] ARM: shmobile: lager: Increase the size of ARM corehent DMA pool Valentine Barshak
2014-01-29 9:07 ` Ben Dooks
2014-01-29 9:52 ` Valentine [this message]
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