diff options
| author | Vinod Koul <vinod.koul@intel.com> | 2016-07-01 15:04:14 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-07-16 17:48:59 +0300 |
| commit | 476c7c809ebeefb83e017be543922dede1c10584 (patch) | |
| tree | aa4eca5cc7f918d80c86cc318b645b9b37731330 /drivers/dma | |
| parent | f4e0628ba37aa4bf2989f912c1f63e3ad1a46704 (diff) | |
| download | linux-476c7c809ebeefb83e017be543922dede1c10584.tar.xz | |
dmaengine: fsl-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>
Cc: Jingchang Lu <b35083@freescale.com>
Cc: Peter Griffin <peter.griffin@linaro.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/fsl-edma.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c index cc06eeaef1a7..d797a3cea88a 100644 --- a/drivers/dma/fsl-edma.c +++ b/drivers/dma/fsl-edma.c @@ -852,6 +852,17 @@ fsl_edma_irq_init(struct platform_device *pdev, struct fsl_edma_engine *fsl_edma return 0; } +static void fsl_edma_irq_exit( + struct platform_device *pdev, struct fsl_edma_engine *fsl_edma) +{ + if (fsl_edma->txirq == fsl_edma->errirq) { + devm_free_irq(&pdev->dev, fsl_edma->txirq, fsl_edma); + } else { + devm_free_irq(&pdev->dev, fsl_edma->txirq, fsl_edma); + devm_free_irq(&pdev->dev, fsl_edma->errirq, fsl_edma); + } +} + static void fsl_disable_clocks(struct fsl_edma_engine *fsl_edma) { int i; @@ -989,6 +1000,7 @@ static int fsl_edma_remove(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; struct fsl_edma_engine *fsl_edma = platform_get_drvdata(pdev); + fsl_edma_irq_exit(pdev, fsl_edma); of_dma_controller_free(np); dma_async_device_unregister(&fsl_edma->dma_dev); fsl_disable_clocks(fsl_edma); |