diff options
| author | Vinod Koul <vinod.koul@intel.com> | 2016-07-05 11:41:23 +0530 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-07-23 16:07:23 +0530 |
| commit | 9200ebd8b23a32381e3647a4d326b07561e5d222 (patch) | |
| tree | 5047b3e1a03454b6440dfc0798510d032b550686 /drivers/dma | |
| parent | 46cf94d6ab38420690d890d9922bfc61a7b3e2c5 (diff) | |
| download | linux-0-day-9200ebd8b23a32381e3647a4d326b07561e5d222.tar.gz linux-0-day-9200ebd8b23a32381e3647a4d326b07561e5d222.tar.xz | |
dmaengine: s3c24xx: explicitly freeup irq
dmaengine device should explicitly call devm_free_irq() when using
devm_request_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@intel.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/s3c24xx-dma.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/dma/s3c24xx-dma.c b/drivers/dma/s3c24xx-dma.c index 0d2d187646f4c..163d95f339e66 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); |