diff options
| author | Vinod Koul <vinod.koul@intel.com> | 2016-07-01 11:34:35 +0530 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-07-16 20:18:58 +0530 |
| commit | 638001e0e01470e44da01a6e4dc4ab3e0f49d4ad (patch) | |
| tree | 57efcb5c317b8850429388cb63ec7551f8cdf881 /drivers/dma/edma.c | |
| parent | f57b7cb46c07b2440e8b3d917726be52e7d78e24 (diff) | |
| download | linux-638001e0e01470e44da01a6e4dc4ab3e0f49d4ad.tar.bz2 | |
dmaengine: edma: 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>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Diffstat (limited to 'drivers/dma/edma.c')
| -rw-r--r-- | drivers/dma/edma.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index b95ef7482c52..dffbd4bb0d8b 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -239,6 +239,9 @@ struct edma_cc { bool chmap_exist; enum dma_event_q default_queue; + unsigned int ccint; + unsigned int ccerrint; + /* * The slot_inuse bit for each PaRAM slot is clear unless the slot is * in use by Linux or if it is allocated to be used by DSP. @@ -2283,6 +2286,7 @@ static int edma_probe(struct platform_device *pdev) dev_err(dev, "CCINT (%d) failed --> %d\n", irq, ret); return ret; } + ecc->ccint = irq; } irq = platform_get_irq_byname(pdev, "edma3_ccerrint"); @@ -2298,6 +2302,7 @@ static int edma_probe(struct platform_device *pdev) dev_err(dev, "CCERRINT (%d) failed --> %d\n", irq, ret); return ret; } + ecc->ccerrint = irq; } ecc->dummy_slot = edma_alloc_slot(ecc, EDMA_SLOT_ANY); @@ -2393,6 +2398,9 @@ static int edma_remove(struct platform_device *pdev) struct device *dev = &pdev->dev; struct edma_cc *ecc = dev_get_drvdata(dev); + devm_free_irq(dev, ecc->ccint, ecc); + devm_free_irq(dev, ecc->ccerrint, ecc); + if (dev->of_node) of_dma_controller_free(dev->of_node); dma_async_device_unregister(&ecc->dma_slave); |