Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-23 12:42:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

dmaengine: coh901318: explicitly freeup irq

Browse Source 
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>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Vinod Koul 2016-07-01 10:54:56 +05:30
parent a0d4cb44da
commit 7bb45f6696
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/dma/coh901318.c
View File

@ -1280,6 +1280,7 @@ struct coh901318_desc {
struct coh901318_base {
struct device *dev;
void __iomem *virtbase;
unsigned int irq;
struct coh901318_pool pool;
struct powersave pm;
struct dma_device dma_slave;
@ -2680,6 +2681,8 @@ static int __init coh901318_probe(struct platform_device *pdev)
if (err)
return err;
base->irq = irq;
err = coh901318_pool_create(&base->pool, &pdev->dev,
sizeof(struct coh901318_lli),
32);
@ -2760,6 +2763,8 @@ static int coh901318_remove(struct platform_device *pdev)
{
struct coh901318_base *base = platform_get_drvdata(pdev);
devm_free_irq(&pdev->dev, base->irq, base);
of_dma_controller_free(pdev->dev.of_node);
dma_async_device_unregister(&base->dma_memcpy);
dma_async_device_unregister(&base->dma_slave);