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: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Cc: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
---
drivers/dma/imx-sdma.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 0f6fd42f55ca..6ce82aab04f7 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -385,6 +385,7 @@ struct sdma_engine {
const struct sdma_driver_data *drvdata;
u32 spba_start_addr;
u32 spba_end_addr;
+ unsigned int irq;
};
static struct sdma_driver_data sdma_imx31 = {
@@ -1715,6 +1716,8 @@ static int sdma_probe(struct platform_device *pdev)
if (ret)
return ret;
+ sdma->irq = irq;
+
sdma->script_addrs = kzalloc(sizeof(*sdma->script_addrs), GFP_KERNEL);
if (!sdma->script_addrs)
return -ENOMEM;
@@ -1840,6 +1843,7 @@ static int sdma_remove(struct platform_device *pdev)
struct sdma_engine *sdma = platform_get_drvdata(pdev);
int i;
+ devm_free_irq(&pdev->dev, sdma->irq, sdma);
dma_async_device_unregister(&sdma->dma_device);
kfree(sdma->script_addrs);
/* Kill the tasklet */
--
1.9.1
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