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Date: Fri, 21 Jun 2013 14:22:08 +0530 From: Vinod Koul <vinod.koul@...el.com> To: Qiao Zhou <zhouqiao@...vell.com> Cc: djbw@...com, zhangfei.gao@...il.com, linux-kernel@...r.kernel.org Subject: Re: [PATCH V2] dma: mmp_tdma: disable irq when disabling dma channel On Sat, Jun 15, 2013 at 12:51:48PM +0800, Qiao Zhou wrote: > mask dma irq when disabling dma channel, so that interrupt status > will not be set and interrupt won't come again. > > Signed-off-by: Qiao Zhou <zhouqiao@...vell.com> Applied, thanks -- ~Vinod > --- > drivers/dma/mmp_tdma.c | 4 ++++ > 1 files changed, 4 insertions(+), 0 deletions(-) > > diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c > index 43d5a6c..9b93665 100644 > --- a/drivers/dma/mmp_tdma.c > +++ b/drivers/dma/mmp_tdma.c > @@ -154,6 +154,10 @@ static void mmp_tdma_disable_chan(struct mmp_tdma_chan *tdmac) > { > writel(readl(tdmac->reg_base + TDCR) & ~TDCR_CHANEN, > tdmac->reg_base + TDCR); > + > + /* disable irq */ > + writel(0, tdmac->reg_base + TDIMR); > + > tdmac->status = DMA_SUCCESS; > } > > -- > 1.7.0.4 > -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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