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-rw-r--r--drivers/base/platform.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 9421fed40905..e68ab79df28b 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -101,6 +101,15 @@ int platform_get_irq(struct platform_device *dev, unsigned int num)
}
r = platform_get_resource(dev, IORESOURCE_IRQ, num);
+ /*
+ * The resources may pass trigger flags to the irqs that need
+ * to be set up. It so happens that the trigger flags for
+ * IORESOURCE_BITS correspond 1-to-1 to the IRQF_TRIGGER*
+ * settings.
+ */
+ if (r && r->flags & IORESOURCE_BITS)
+ irqd_set_trigger_type(irq_get_irq_data(r->start),
+ r->flags & IORESOURCE_BITS);
return r ? r->start : -ENXIO;
#endif