From: Jonathan Cameron <jic23@kernel.org>
Date: Sat, 9 Feb 2013 10:49:00 +0000 (+0000)
Subject: iio:triggers Protect functions in triggers.h from use when not compiled
X-Git-Tag: next-20130218~26^2~47^2~2
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=aaa300262c5912bda34c9cf871719209eae01b06;p=karo-tx-linux.git

iio:triggers Protect functions in triggers.h from use when not compiled

Also include a couple of forward defs of struct iio_trigger and struct
iio_trigger_ops to avoid doing this in each driver.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Denis Ciocca <denis.ciocca@st.com>
---

diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h
index 20239da1d0f7..c66e0a96f6e8 100644
--- a/include/linux/iio/trigger.h
+++ b/include/linux/iio/trigger.h
@@ -12,6 +12,7 @@
 #ifndef _IIO_TRIGGER_H_
 #define _IIO_TRIGGER_H_
 
+#ifdef CONFIG_IIO_TRIGGER
 struct iio_subirq {
 	bool enabled;
 };
@@ -117,4 +118,8 @@ irqreturn_t iio_trigger_generic_data_rdy_poll(int irq, void *private);
 __printf(1, 2) struct iio_trigger *iio_trigger_alloc(const char *fmt, ...);
 void iio_trigger_free(struct iio_trigger *trig);
 
+#else
+struct iio_trigger;
+struct iio_trigger_ops;
+#endif
 #endif /* _IIO_TRIGGER_H_ */