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

[Lu Jingchang-B35083]

> -----Original Message-----
> From: Vinod Koul [mailto:vinod.koul at intel.com]
> Sent: Tuesday, September 17, 2013 12:54 PM
> To: Lu Jingchang-B35083
> Cc: djbw at fb.com; shawn.guo at linaro.org; linux-kernel at vger.kernel.org;
> linux-arm-kernel at lists.infradead.org; devicetree at vger.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