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genirq: Export dummy_irq_chip 

Export dummy_irq_chip to modules to allow them to do things such as

	irq_set_chip_and_handler(virq,
				 &dummy_irq_chip,
				 handle_level_irq);
This fixes

	ERROR: "dummy_irq_chip" [drivers/gpio/gpio-pcf857x.ko] undefined!

when gpio-pcf857x.c is being built as a module.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Greg KH <gregkh@linuxfoundation.org>
Link: http://lkml.kernel.org/r/871ujstrp6.wl%25kuninori.morimoto.gx@renesas.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Kuninori Morimoto 2012-07-30 22:39:20 -07:00 committed by Thomas Gleixner
parent b3ae66f209
commit 17d83127d4
1 changed files with 2 additions and 0 deletions
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2
kernel/irq/dummychip.c
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@ -6,6 +6,7 @@
*/
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/export.h>
#include "internals.h"
@ -57,3 +58,4 @@ struct irq_chip dummy_irq_chip = {
.irq_mask = noop,
.irq_unmask = noop,
};
EXPORT_SYMBOL_GPL(dummy_irq_chip);