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>
diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c
index cc06eea..d797a3c 100644
--- a/drivers/dma/fsl-edma.c
+++ b/drivers/dma/fsl-edma.c
@@ -852,6 +852,17 @@
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 @@
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);