diff options
Diffstat (limited to 'drivers/dma/fsl-edma.c')
| -rw-r--r-- | drivers/dma/fsl-edma.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c index cc06eeaef1a7..6775f2c74e25 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; @@ -984,11 +995,24 @@ static int fsl_edma_probe(struct platform_device *pdev) return 0; } +static void fsl_edma_cleanup_vchan(struct dma_device *dmadev) +{ + struct fsl_edma_chan *chan, *_chan; + + list_for_each_entry_safe(chan, _chan, + &dmadev->channels, vchan.chan.device_node) { + list_del(&chan->vchan.chan.device_node); + tasklet_kill(&chan->vchan.task); + } +} + 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); + fsl_edma_cleanup_vchan(&fsl_edma->dma_dev); of_dma_controller_free(np); dma_async_device_unregister(&fsl_edma->dma_dev); fsl_disable_clocks(fsl_edma); |