dmaengine device should explicitly call devm_free_irq() when using
devm_reqister_irq().
The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: Vinod Koul <vinod.koul@xxxxxxxxx>
Cc: Jonas Jensen <jonas.jensen@xxxxxxxxx>
---
drivers/dma/moxart-dma.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/dma/moxart-dma.c b/drivers/dma/moxart-dma.c
index b3a1d9a22b61..a6e642792e5a 100644
--- a/drivers/dma/moxart-dma.c
+++ b/drivers/dma/moxart-dma.c
@@ -148,6 +148,7 @@ struct moxart_chan {
struct moxart_dmadev {
struct dma_device dma_slave;
struct moxart_chan slave_chans[APB_DMA_MAX_CHANNEL];
+ unsigned int irq;
};
struct moxart_filter_data {
@@ -615,6 +616,7 @@ static int moxart_probe(struct platform_device *pdev)
dev_err(dev, "devm_request_irq failed\n");
return ret;
}
+ mdc->irq = irq;
ret = dma_async_device_register(&mdc->dma_slave);
if (ret) {
@@ -638,6 +640,8 @@ static int moxart_remove(struct platform_device *pdev)
{
struct moxart_dmadev *m = platform_get_drvdata(pdev);
+ devm_free_irq(&pdev->dev, m->irq, m);
+
dma_async_device_unregister(&m->dma_slave);
if (pdev->dev.of_node)
--
1.9.1
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