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