From mboxrd@z Thu Jan 1 00:00:00 1970 From: zonque@gmail.com (Daniel Mack) Date: Wed, 7 Aug 2013 12:19:28 +0200 Subject: [PATCH 10/12] dma: mmp_pdma: implement DMA_PAUSE and DMA_RESUME In-Reply-To: <1375870770-14263-1-git-send-email-zonque@gmail.com> References: <1375870770-14263-1-git-send-email-zonque@gmail.com> Message-ID: <1375870770-14263-11-git-send-email-zonque@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This is needed at least for audio operation. Signed-off-by: Daniel Mack --- drivers/dma/mmp_pdma.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index 7eb235b..c56da7c 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -658,6 +658,12 @@ static int mmp_pdma_control(struct dma_chan *dchan, enum dma_ctrl_cmd cmd, if (cfg->slave_id) chan->drcmr = cfg->slave_id; break; + case DMA_PAUSE: + disable_chan(chan->phy); + break; + case DMA_RESUME: + start_pending_queue(chan); + break; default: return -ENOSYS; } -- 1.8.3.1