linux-kernel - Re: [PATCH 1/2] dma: add Qualcomm Technologies HIDMA management driver

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Message-ID: <CAHp75Vd-z22XJboxQ=CMxDQ9UaTatbCmpAPLO0jPM0FwJadBOg@mail.gmail.com>
Date:	Fri, 30 Oct 2015 20:40:47 +0200
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	Mark Rutland <mark.rutland@....com>
Cc:	Sinan Kaya <okaya@...eaurora.org>,
	dmaengine <dmaengine@...r.kernel.org>, timur@...eaurora.org,
	cov@...eaurora.org, jcm@...hat.com,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	devicetree <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] dma: add Qualcomm Technologies HIDMA management driver

On Fri, Oct 30, 2015 at 8:25 PM, Mark Rutland <mark.rutland@....com> wrote:

>> > CSRT is an Intel specific ACPI table for slave devices.
>>
>> Wrong.
>> It was designed by Microsoft to support multiple controllers, in
>> particular DMACs.
>> Have you read that document I posted link to?
>>
>> > It was decided by
>> > Linaro that CSRT will not be supported for ARM64.
>>
>> Interesting, ARM64 platforms are not going to have more than one DMAC
>> per system?
>
> I cannot imagine that being true, and I don't see why Linaro would
> decide such a thing.
>
> It does appear that it's not relevant to this device and driver, given
> the lack of clients, unless I've misunderstood?

Yeah, just a side note.

-- 
With Best Regards,
Andy Shevchenko
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