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@xxxxxxxxx> --- drivers/dma/mmp_tdma.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c index e7d1e12bf464..10117f271b12 100644 --- a/drivers/dma/mmp_tdma.c +++ b/drivers/dma/mmp_tdma.c @@ -544,6 +544,9 @@ static void mmp_tdma_issue_pending(struct dma_chan *chan) static int mmp_tdma_remove(struct platform_device *pdev) { + if (pdev->dev.of_node) + of_dma_controller_free(pdev->dev.of_node); + return 0; } -- 2.24.0