linux-kernel - [PATCH 2/2] reset: Add compile-test stubs

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Date:   Wed,  9 Jun 2021 13:28:06 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc:     Dmitry Osipenko <digetx@...il.com>,
        Jon Hunter <jonathanh@...dia.com>, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] reset: Add compile-test stubs

From: Thierry Reding <treding@...dia.com>

Add stubs for the reset controller registration functions to allow
building reset controller provider drivers with the COMPILE_TEST
Kconfig option enabled.

Reported-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Suggested-by: Dmitry Osipenko <digetx@...il.com>
Signed-off-by: Thierry Reding <treding@...dia.com>
---
 include/linux/reset-controller.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/include/linux/reset-controller.h b/include/linux/reset-controller.h
index ec35814e0bbb..0fa4f60e1186 100644
--- a/include/linux/reset-controller.h
+++ b/include/linux/reset-controller.h
@@ -79,6 +79,7 @@ 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);
 
@@ -88,5 +89,26 @@ int devm_reset_controller_register(struct device *dev,
 
 void reset_controller_add_lookup(struct reset_control_lookup *lookup,
 				 unsigned int num_entries);
+#else
+static inline int reset_controller_register(struct reset_controller_dev *rcdev)
+{
+	return 0;
+}
+
+static inline void reset_controller_unregister(struct reset_controller_dev *rcdev)
+{
+}
+
+static inline int devm_reset_controller_register(struct device *dev,
+						 struct reset_controller_dev *rcdev)
+{
+	return 0;
+}
+
+static inline void reset_controller_add_lookup(struct reset_control_lookup *lookup,
+					       unsigned int num_entries)
+{
+}
+#endif
 
 #endif
-- 
2.31.1