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: Krzysztof Kozlowski <k.kozlowski.k@xxxxxxxxx>
---
drivers/dma/s3c24xx-dma.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/dma/s3c24xx-dma.c b/drivers/dma/s3c24xx-dma.c
index 0d2d187646f4..163d95f339e6 100644
--- a/drivers/dma/s3c24xx-dma.c
+++ b/drivers/dma/s3c24xx-dma.c
@@ -1359,6 +1359,18 @@ err_memcpy:
return ret;
}
+static void s3c24xx_dma_free_irq(struct platform_device *pdev,
+ struct s3c24xx_dma_engine *s3cdma)
+{
+ int i;
+
+ for (i = 0; i < s3cdma->pdata->num_phy_channels; i++) {
+ struct s3c24xx_dma_phy *phy = &s3cdma->phy_chans[i];
+
+ devm_free_irq(&pdev->dev, phy->irq, phy);
+ }
+}
+
static int s3c24xx_dma_remove(struct platform_device *pdev)
{
const struct s3c24xx_dma_platdata *pdata = dev_get_platdata(&pdev->dev);
@@ -1369,6 +1381,8 @@ static int s3c24xx_dma_remove(struct platform_device *pdev)
dma_async_device_unregister(&s3cdma->slave);
dma_async_device_unregister(&s3cdma->memcpy);
+ s3c24xx_dma_free_irq(pdev, s3cdma);
+
s3c24xx_dma_free_virtual_channels(&s3cdma->slave);
s3c24xx_dma_free_virtual_channels(&s3cdma->memcpy);
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe dmaengine" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
