From: appana.durga.rao@xilinx.com (Kedareswara rao Appana)
To: linux-arm-kernel@lists.infradead.org
Subject: [LINUX PATCH 4/4] dmaengine: xilinx_dma: Free BD consistent memory
Date: Thu, 21 Dec 2017 15:41:38 +0530 [thread overview]
Message-ID: <1513851098-15787-5-git-send-email-appanad@xilinx.com> (raw)
In-Reply-To: <1513851098-15787-1-git-send-email-appanad@xilinx.com>
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>
---
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);
--
2.7.4
prev parent reply other threads:[~2017-12-21 10:11 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-21 10:11 [LINUX PATCH 0/4] dmaengine: xilinx_dma: Bug fixes Kedareswara rao Appana
2017-12-21 10:11 ` [LINUX PATCH 1/4] dmaengine: xilinx_dma: Fix dma_get_slave_caps() API failures Kedareswara rao Appana
2018-01-03 3:57 ` Vinod Koul
2018-01-03 5:09 ` Appana Durga Kedareswara Rao
2017-12-21 10:11 ` [LINUX PATCH 2/4] dmaengine: xilinx_dma: Fix race condition in the driver for cdma Kedareswara rao Appana
2018-01-03 3:58 ` Vinod Koul
2018-01-03 5:10 ` Appana Durga Kedareswara Rao
2017-12-21 10:11 ` [LINUX PATCH 3/4] dmaengine: xilinx_dma: Fix compilation warning Kedareswara rao Appana
2018-01-03 3:59 ` Vinod Koul
2018-01-03 5:13 ` Appana Durga Kedareswara Rao
2018-01-03 5:27 ` Vinod Koul
2018-01-03 6:10 ` Appana Durga Kedareswara Rao
2018-01-03 9:09 ` Appana Durga Kedareswara Rao
2017-12-21 10:11 ` Kedareswara rao Appana [this message]
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