From: "Ivan T. Ivanov" <iiva...@mm-sol.com>
Make sure client drivers will still build on systems
without reset control support.
Signed-off-by: Ivan T. Ivanov <iiva...@mm-sol.com>
Cc: Pavel Machek <pa...@ucw.cz>
Cc: Stephen Warren <swar...@nvidia.com>
Cc: Shawn Guo <shawn....@linaro.org>
Cc: Marek Vasut <ma...@denx.de>
---
include/linux/reset.h | 44 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/include/linux/reset.h b/include/linux/reset.h
index 6082247..0df3e30 100644
--- a/include/linux/reset.h
+++ b/include/linux/reset.h
@@ -4,6 +4,8 @@
struct device;
struct reset_control;
+#if defined(CONFIG_RESET_CONTROLLER)
+
int reset_control_reset(struct reset_control *rstc);
int reset_control_assert(struct reset_control *rstc);
int reset_control_deassert(struct reset_control *rstc);
@@ -14,4 +16,46 @@ struct reset_control *devm_reset_control_get(struct device
*dev, const char *id)
int device_reset(struct device *dev);
+#else /* !CONFIG_RESET_CONTROLLER */
+
+/*
+ * Make sure client drivers will still build on systems without
+ * reset control support.
+ */
+static inline int reset_control_reset(struct reset_control *rstc)
+{
+ return 0;
+}
+
+static inline int reset_control_assert(struct reset_control *rstc)
+{
+ return 0;
+}
+
+static inline int reset_control_deassert(struct reset_control *rstc)
+{
+ return 0;
+}
+
+static inline struct reset_control *
+reset_control_get(struct device *dev, const char *id)
+{
+ return 0;
+}
+
+static inline void reset_control_put(struct reset_control *rstc){}
+
+static inline struct reset_control *
+devm_reset_control_get(struct device *dev, const char *id)
+{
+ return NULL;
+}
+
+static inline int device_reset(struct device *dev)
+{
+ return 0;
+}
+
+#endif
+
#endif
--
1.7.9.5
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