Hi Vinod, On Wed, Apr 30, 2014 at 12:34:08PM +0530, Vinod Koul wrote: > > + > > +static int sun6i_dma_terminate_all(struct sun6i_vchan *vchan) > > +{ > > + struct sun6i_dma_dev *sdev = to_sun6i_dma_dev(vchan->vc.chan.device); > > + struct sun6i_pchan *pchan = vchan->phy; > > + unsigned long flags; > > + LIST_HEAD(head); > > + > > + spin_lock(&sdev->lock); > > + list_del_init(&vchan->node); > > + spin_unlock(&sdev->lock); > > + > > + spin_lock_irqsave(&vchan->vc.lock, flags); > > + > > + vchan_get_all_descriptors(&vchan->vc, &head); > > + > > + if (pchan) { > > + writel(DMA_CHAN_ENABLE_STOP, pchan->base + DMA_CHAN_ENABLE); > > + writel(DMA_CHAN_PAUSE_RESUME, pchan->base + DMA_CHAN_PAUSE); > > + > > + vchan->phy = NULL; > > + pchan->vchan = NULL; > > + pchan->desc = NULL; > > + pchan->done = NULL; > > + } > > + > > + spin_unlock_irqrestore(&vchan->vc.lock, flags); > > + > > + vchan_dma_desc_free_list(&vchan->vc, &head); > > shouldn't you kill the tasklet as well here? Just to be clear, which tasklet? vchan's or the driver's? Thanks, Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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