From: Vinod Koul <vinod.koul@intel.com>
To: Kedareswara rao Appana <appana.durga.rao@xilinx.com>
Cc: dan.j.williams@intel.com, michal.simek@xilinx.com,
appanad@xilinx.com, lars@metafoo.de, akinobu.mita@gmail.com,
joabreu@synopsys.com, mike.looijmans@topic.nl,
kedare06@gmail.com, dmaengine@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [v7,1/6] dmaengine: xilinx_dma: Check for channel idle state before submitting dma descriptor
Date: Mon, 18 Dec 2017 09:47:11 +0530 [thread overview]
Message-ID: <20171218041711.GN18649@localhost> (raw)
On Thu, Dec 07, 2017 at 10:51:02AM +0530, Kedareswara rao Appana wrote:
> @@ -2029,6 +2006,7 @@ static int xilinx_dma_terminate_all(struct dma_chan *dchan)
>
> /* Remove and free all of the descriptors in the lists */
> xilinx_dma_free_descriptors(chan);
> + chan->idle = true;
>
> if (chan->cyclic) {
> reg = dma_ctrl_read(chan, XILINX_DMA_REG_DMACR);
> @@ -2344,6 +2322,12 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev,
> chan->has_sg = xdev->has_sg;
> chan->desc_pendingcount = 0x0;
> chan->ext_addr = xdev->ext_addr;
> + /* This variable enusres that descripotrs are not
^^^^^^^^^^
typo
next reply other threads:[~2017-12-18 4:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-18 4:17 Vinod Koul [this message]
-- strict thread matches above, loose matches on Subject: below --
2017-12-18 6:53 [v7,1/6] dmaengine: xilinx_dma: Check for channel idle state before submitting dma descriptor Appana Durga Kedareswara Rao
2017-12-07 5:21 Kedareswara rao Appana
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