From d4d5e08960844a062da8387ee5f16ca7a33200d0 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 10 Feb 2011 13:16:14 +0100
Subject: genirq: Add IRQCHIP_SET_TYPE_MASKED flag

irq_chips, which require to mask the chip before changing the trigger
type should set this flag. So the core takes care of it and the
requirement for looking into desc->status in the chip goes away.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Walleij <linus.walleij@stericsson.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
---
 include/linux/irq.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'include/linux/irq.h')

diff --git a/include/linux/irq.h b/include/linux/irq.h
index aefb30b..ef6b66d 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -308,6 +308,15 @@ struct irq_chip {
 #endif
 };
 
+/*
+ * irq_chip specific flags
+ *
+ * IRQCHIP_SET_TYPE_MASKED:		Mask before calling chip.irq_set_type()
+ */
+enum {
+	IRQCHIP_SET_TYPE_MASKED		= (1 <<  0),
+};
+
 /* This include will go away once we isolated irq_desc usage to core code */
 #include <linux/irqdesc.h>
 
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