[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <B56CDBE15CE27145A4B77D2D24263E85223E21@039-SN1MPN1-003.039d.mgd.msft.net>
Date: Tue, 17 Sep 2013 08:08:46 +0000
From: Lu Jingchang-B35083 <B35083@...escale.com>
To: Vinod Koul <vinod.koul@...el.com>
CC: "djbw@...com" <djbw@...com>,
"shawn.guo@...aro.org" <shawn.guo@...aro.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: RE: [PATCH 3/3] dma: Add Freescale eDMA engine driver support
> -----Original Message-----
> From: Vinod Koul [mailto:vinod.koul@...el.com]
> Sent: Tuesday, September 17, 2013 12:54 PM
> To: Lu Jingchang-B35083
> Cc: djbw@...com; shawn.guo@...aro.org; linux-kernel@...r.kernel.org;
> linux-arm-kernel@...ts.infradead.org; devicetree@...r.kernel.org; Wang
> Huan-B18965
> Subject: Re: [PATCH 3/3] dma: Add Freescale eDMA engine driver support
> > + case DMA_PAUSE:
> > + if (fsl_chan->edesc)
> > + fsl_edma_disable_request(fsl_chan);
> racy here too...
It only set the channel HW register, no list is handled,
is lock needed here? Thanks!
Best Regards,
Jingchang
Powered by blists - more mailing lists