diff options
Diffstat (limited to 'drivers/dma/nbpfaxi.c')
| -rw-r--r-- | drivers/dma/nbpfaxi.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c index 2b5a198ac..08c45c185 100644 --- a/drivers/dma/nbpfaxi.c +++ b/drivers/dma/nbpfaxi.c @@ -227,6 +227,7 @@ struct nbpf_device { void __iomem *base; struct clk *clk; const struct nbpf_config *config; + unsigned int eirq; struct nbpf_channel chan[]; }; @@ -1300,10 +1301,9 @@ static int nbpf_probe(struct platform_device *pdev) nbpf = devm_kzalloc(dev, sizeof(*nbpf) + num_channels * sizeof(nbpf->chan[0]), GFP_KERNEL); - if (!nbpf) { - dev_err(dev, "Memory allocation failed\n"); + if (!nbpf) return -ENOMEM; - } + dma_dev = &nbpf->dma_dev; dma_dev->dev = dev; @@ -1376,6 +1376,7 @@ static int nbpf_probe(struct platform_device *pdev) IRQF_SHARED, "dma error", nbpf); if (ret < 0) return ret; + nbpf->eirq = eirq; INIT_LIST_HEAD(&dma_dev->channels); @@ -1447,6 +1448,17 @@ e_clk_off: static int nbpf_remove(struct platform_device *pdev) { struct nbpf_device *nbpf = platform_get_drvdata(pdev); + int i; + + devm_free_irq(&pdev->dev, nbpf->eirq, nbpf); + + for (i = 0; i < nbpf->config->num_channels; i++) { + struct nbpf_channel *chan = nbpf->chan + i; + + devm_free_irq(&pdev->dev, chan->irq, chan); + + tasklet_kill(&chan->tasklet); + } of_dma_controller_free(pdev->dev.of_node); dma_async_device_unregister(&nbpf->dma_dev); |