dmaengine: nbpfaxi: 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: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
index 9f0e98b..f489f4e 100644
--- a/drivers/dma/nbpfaxi.c
+++ b/drivers/dma/nbpfaxi.c
@@ -227,6 +227,7 @@
void __iomem *base;
struct clk *clk;
const struct nbpf_config *config;
+ unsigned int eirq;
struct nbpf_channel chan[];
};
@@ -1375,6 +1376,7 @@
IRQF_SHARED, "dma error", nbpf);
if (ret < 0)
return ret;
+ nbpf->eirq = eirq;
INIT_LIST_HEAD(&dma_dev->channels);
@@ -1446,6 +1448,15 @@
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);
+ }
of_dma_controller_free(pdev->dev.of_node);
dma_async_device_unregister(&nbpf->dma_dev);