linux-kernel - [PATCH v2] reset: Add (devm_)reset_control

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Message-ID: <1441065398.6224.1.camel@ingics.com>
Date:	Tue, 01 Sep 2015 07:56:38 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Philipp Zabel <p.zabel@...gutronix.de>
Cc:	Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2] reset: Add (devm_)reset_control_get stub functions

So the drivers can be compiled with CONFIG_RESET_CONTROLLER disabled.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
v2: Add __must_check and WARN_ON(1); And make it return ERR_PTR(-EINVAL).

 include/linux/reset.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/linux/reset.h b/include/linux/reset.h
index da5602b..7f65f9c 100644
--- a/include/linux/reset.h
+++ b/include/linux/reset.h
@@ -74,6 +74,20 @@ static inline int device_reset_optional(struct device *dev)
 	return -ENOSYS;
 }
 
+static inline struct reset_control *__must_check reset_control_get(
+					struct device *dev, const char *id)
+{
+	WARN_ON(1);
+	return ERR_PTR(-EINVAL);
+}
+
+static inline struct reset_control *__must_check devm_reset_control_get(
+					struct device *dev, const char *id)
+{
+	WARN_ON(1);
+	return ERR_PTR(-EINVAL);
+}
+
 static inline struct reset_control *reset_control_get_optional(
 					struct device *dev, const char *id)
 {
-- 
1.9.1



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