From: Kedareswara rao Appana <appana.durga.rao@xilinx.com>
To: dan.j.williams@intel.com, vinod.koul@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
Cc: dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Radhey Shyam Pandey <radheys@xilinx.com>
Subject: [v2,4/4] dmaengine: xilinx_dma: Free BD consistent memory
Date: Wed, 3 Jan 2018 12:12:11 +0530 [thread overview]
Message-ID: <1514961731-1916-5-git-send-email-appanad@xilinx.com> (raw)
Free BD consistent memory while freeing the channel
i.e in free_chan_resources.
Signed-off-by: Radhey Shyam Pandey <radheys@xilinx.com>
Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
---
Changes for v2:
--> None.
drivers/dma/xilinx/xilinx_dma.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index 845e638..a9edbd8 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -764,6 +764,11 @@ static void xilinx_dma_free_chan_resources(struct dma_chan *dchan)
INIT_LIST_HEAD(&chan->free_seg_list);
spin_unlock_irqrestore(&chan->lock, flags);
+ /* Free memory that is allocated for BD */
+ dma_free_coherent(chan->dev, sizeof(*chan->seg_v) *
+ XILINX_DMA_NUM_DESCS, chan->seg_v,
+ chan->seg_p);
+
/* Free Memory that is allocated for cyclic DMA Mode */
dma_free_coherent(chan->dev, sizeof(*chan->cyclic_seg_v),
chan->cyclic_seg_v, chan->cyclic_seg_p);
reply other threads:[~2018-01-03 6:42 UTC|newest]
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