linux-kernel - Re: [PATCH V1] arm: tegra: dma: not required to move requestor when stopping.

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Message-ID: <20120201070918.GA7399@quad.lixom.net>
Date:	Tue, 31 Jan 2012 23:09:18 -0800
From:	Olof Johansson <olof@...om.net>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	Stephen Warren <swarren@...dia.com>,
	"ccross@...roid.com" <ccross@...roid.com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V1] arm: tegra: dma: not required to move requestor when
 stopping.

On Tue, Jan 31, 2012 at 04:32:48PM +0530, Laxman Dewangan wrote:
> On Wednesday 25 January 2012 02:27 AM, Stephen Warren wrote:
> >Laxman Dewangan wrote at Tuesday, January 24, 2012 1:11 AM:
> >>It is not require to move the requestor of dma to INVALID
> >>option before stopping dma.
> >>
> >>Signed-off-by: Laxman Dewangan<ldewangan@...dia.com>
> >Acked-by: Stephen Warren<swarren@...dia.com>
> >Tested-by: Stephen Warren<swarren@...dia.com>
> >
> >I know that Laxman has checked with the HW engineers, and they see no
> >reason to do this. I was originally worried about hung FIFOs preventing
> >an in-progress DMA from completely without the removed code, but according
> >to HW, that isn't a concern.
> >
> Olaf,
> Can it be applied if it is OK to you?

Yep, applied.


-Olof
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