RE: [PATCH 3/3] dma: Add Freescale eDMA engine driver support

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> -----Original Message-----
> From: Vinod Koul [mailto:vinod.koul@xxxxxxxxx]
> Sent: Tuesday, September 17, 2013 12:54 PM
> To: Lu Jingchang-B35083
> Cc: djbw@xxxxxx; shawn.guo@xxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; 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



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