From mboxrd@z Thu Jan  1 00:00:00 1970
From: LW@KARO-electronics.de (=?utf-8?Q?Lothar_Wa=C3=9Fmann?=)
Date: Fri, 27 Apr 2012 17:13:28 +0200
Subject: [PATCH 01/11] dma: imx-sdma: make channel0 operations atomic
In-Reply-To: <20120427132538.GU28063@b20223-02.ap.freescale.net>
References: <1335510185-7906-1-git-send-email-richard.zhao@freescale.com>
 <1335510185-7906-2-git-send-email-richard.zhao@freescale.com>
 <20378.25703.527491.719116@ipc1.ka-ro>
 <20120427132538.GU28063@b20223-02.ap.freescale.net>
Message-ID: <20378.47000.131486.237752@ipc1.ka-ro>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Hi,

Richard Zhao writes:
> On Fri, Apr 27, 2012 at 11:18:31AM +0200, Lothar Wa?mann wrote:
> > Hi,
> > 
> > Richard Zhao writes:
> > > device_prep_dma_cyclic may be call in audio trigger function which is
> > > atomic context, so we make it atomic too.
> > > 
> > >  - change channel0 lock to spinlock.
> > >  - Use polling to wait for channel0 finish running.
> > > 
> > > Signed-off-by: Lothar Wa?mann <LW@KARO-electronics.de>
> > >
> > Actually I didn't sign off the patch that I posted, because I wanted
> > to wait for more comments first.
> I send it out with slight modifications because the series highly
> depend on it. Will you take it over or let me put it in next version?
> Both are ok to me.
> 
I think you should keep it as part of your sound patches and I will
test your final version on our hardware.


Lothar Wa?mann
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