dmaengine: pl330: 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: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index c8767d3e5eb0..4fc3ffbd5ca0 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -3002,12 +3002,18 @@ static int pl330_remove(struct amba_device *adev)
 {
         struct pl330_dmac *pl330 = amba_get_drvdata(adev);
         struct dma_pl330_chan *pch, *_p;
+        int i, irq;
 
         pm_runtime_get_noresume(pl330->ddma.dev);
 
         if (adev->dev.of_node)
                 of_dma_controller_free(adev->dev.of_node);
 
+        for (i = 0; i < AMBA_NR_IRQS; i++) {
+                irq = adev->irq[i];
+                devm_free_irq(&adev->dev, irq, pl330);
+        }
+
         dma_async_device_unregister(&pl330->ddma);
 
         /* Idle the DMAC */