linux-kernel - [PATCH] reset: Introduce static inline dummy function when CONFIG_RESET

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Date:	Tue, 1 Dec 2015 09:34:48 -0600
From:	Nishanth Menon <nm@...com>
To:	Philipp Zabel <p.zabel@...gutronix.de>
CC:	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, Nishanth Menon <nm@...com>
Subject: [PATCH] reset: Introduce static inline dummy function when CONFIG_RESET_CONTROLLER

When CONFIG_RESET_CONTROLLER is not defined (example COMPILE_TEST),
provide a dummy static inline implementation.

Signed-off-by: Nishanth Menon <nm@...com>
---
 include/linux/reset-controller.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/linux/reset-controller.h b/include/linux/reset-controller.h
index ce6b962ffed4..4badecb2619e 100644
--- a/include/linux/reset-controller.h
+++ b/include/linux/reset-controller.h
@@ -48,7 +48,16 @@ struct reset_controller_dev {
 	unsigned int nr_resets;
 };
 
+#if IS_ENABLED(CONFIG_RESET_CONTROLLER)
 int reset_controller_register(struct reset_controller_dev *rcdev);
 void reset_controller_unregister(struct reset_controller_dev *rcdev);
+#else
+static inline int reset_controller_register(struct reset_controller_dev *r)
+{
+	return -EINVAL;
+}
 
+static inline void reset_controller_unregister(struct reset_controller_dev *r)
+{
+}
 #endif
-- 
2.6.2.402.g2635c2b

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