* [PATCH 2/2] dmaengine: mmp_pdma: add missed of_dma_controller_free
@ 2019-11-15 8:31 Chuhong Yuan
0 siblings, 0 replies; only message in thread
From: Chuhong Yuan @ 2019-11-15 8:31 UTC (permalink / raw)
Cc: Dan Williams, Vinod Koul, dmaengine, linux-kernel, Chuhong Yuan
The driver calls of_dma_controller_register in probe but does not free
it in remove.
Add the call to fix it.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
---
drivers/dma/mmp_pdma.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index 7fe494fc50d4..ad06f260e907 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -945,6 +945,8 @@ static int mmp_pdma_remove(struct platform_device *op)
struct mmp_pdma_phy *phy;
int i, irq = 0, irq_num = 0;
+ if (op->dev.of_node)
+ of_dma_controller_free(op->dev.of_node);
for (i = 0; i < pdev->dma_channels; i++) {
if (platform_get_irq(op, i) > 0)
--
2.24.0
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