This patch looks like it should be in the 3.9-stable tree, should we apply it?
------------------ From: "Qiao Zhou <[email protected]>" commit 8e3c518fba4f2ddd192171cbd7b23ec26900bf6b upstream 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 <[email protected]> Acked-by: Zhangfei Gao <[email protected]> Signed-off-by: Vinod Koul <[email protected]> Signed-off-by: Jonghwan Choi <[email protected]> --- drivers/dma/mmp_tdma.c | 4 ++++ 1 file changed, 4 insertions(+) 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; } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
