commit e4d2c285d4943b744359dfcf3ad494e9f2f0c35b
author Sebastien Guiriec <s-guiriec@ti.com> Thu Nov 18 15:31:10 2010 -0600
committer Leed Aguilar <leed.aguilar@ti.com> Mon Nov 22 15:20:41 2010 -0600
tree 361fa8b0a7407618df5627ccc51fc0569e553aae
parent 527dbd25aea7e76b4589a6e848b12e0e7e5e9734

ASoC: ABE DSP: Protect abe irq handler

ABE irq handler can be called when streams have already been closed,
so it's required to explicitly protect that code within pm_runtime
get/put calls.

Signed-off-by: Sebastien Guiriec <s-guiriec@ti.com>

sound/soc/omap/omap-abe-dsp.c

diff --git a/sound/soc/omap/omap-abe-dsp.c b/sound/soc/omap/omap-abe-dsp.c
index afbdcf1..ec2106d 100644
--- a/sound/soc/omap/omap-abe-dsp.c
+++ b/sound/soc/omap/omap-abe-dsp.c
@@ -183,9 +183,15 @@
 
 static irqreturn_t abe_irq_handler(int irq, void *dev_id)
 {
+	/* TODO: do not use abe global structure to assign pdev */
+	struct platform_device *pdev = abe->pdev;
+
 	/* TODO: handle underruns/overruns/errors */
+	pm_runtime_get_sync(&pdev->dev);
 	abe_irq_clear();
 	abe_irq_processing();
+	pm_runtime_put_sync(&pdev->dev);
+
 	return IRQ_HANDLED;
 }