[PATCH 1/3] CLK: uninline clk_prepare() and clk_unprepare()

From: Dmitry Torokhov
Date: Tue Nov 20 2012 - 04:22:21 EST


We'll need to invoke clk_unprepare() via a pointer in our devm_*
conversion so let's uninline the pair.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
---
drivers/clk/clk.c | 4 ++++
include/linux/clk.h | 68 +++++++++++++++++++++++++----------------------------
2 files changed, 36 insertions(+), 36 deletions(-)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 56e4495e..1b642f2 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -374,6 +374,7 @@ struct clk *__clk_lookup(const char *name)

void __clk_unprepare(struct clk *clk)
{
+#ifdef CONFIG_HAVE_CLK_PREPARE
if (!clk)
return;

@@ -389,6 +390,7 @@ void __clk_unprepare(struct clk *clk)
clk->ops->unprepare(clk->hw);

__clk_unprepare(clk->parent);
+#endif
}

/**
@@ -412,6 +414,7 @@ EXPORT_SYMBOL_GPL(clk_unprepare);

int __clk_prepare(struct clk *clk)
{
+#ifdef CONFIG_HAVE_CLK_PREPARE
int ret = 0;

if (!clk)
@@ -432,6 +435,7 @@ int __clk_prepare(struct clk *clk)
}

clk->prepare_count++;
+#endif

return 0;
}
diff --git a/include/linux/clk.h b/include/linux/clk.h
index b3ac22d..f8204c3 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -84,42 +84,6 @@ int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb);

#endif

-/**
- * clk_prepare - prepare a clock source
- * @clk: clock source
- *
- * This prepares the clock source for use.
- *
- * Must not be called from within atomic context.
- */
-#ifdef CONFIG_HAVE_CLK_PREPARE
-int clk_prepare(struct clk *clk);
-#else
-static inline int clk_prepare(struct clk *clk)
-{
- might_sleep();
- return 0;
-}
-#endif
-
-/**
- * clk_unprepare - undo preparation of a clock source
- * @clk: clock source
- *
- * This undoes a previously prepared clock. The caller must balance
- * the number of prepare and unprepare calls.
- *
- * Must not be called from within atomic context.
- */
-#ifdef CONFIG_HAVE_CLK_PREPARE
-void clk_unprepare(struct clk *clk);
-#else
-static inline void clk_unprepare(struct clk *clk)
-{
- might_sleep();
-}
-#endif
-
#ifdef CONFIG_HAVE_CLK
/**
* clk_get - lookup and obtain a reference to a clock producer.
@@ -159,6 +123,27 @@ struct clk *clk_get(struct device *dev, const char *id);
struct clk *devm_clk_get(struct device *dev, const char *id);

/**
+ * clk_prepare - prepare a clock source
+ * @clk: clock source
+ *
+ * This prepares the clock source for use.
+ *
+ * Must not be called from within atomic context.
+ */
+int clk_prepare(struct clk *clk);
+
+/**
+ * clk_unprepare - undo preparation of a clock source
+ * @clk: clock source
+ *
+ * This undoes a previously prepared clock. The caller must balance
+ * the number of prepare and unprepare calls.
+ *
+ * Must not be called from within atomic context.
+ */
+void clk_unprepare(struct clk *clk);
+
+/**
* clk_enable - inform the system when the clock source should be running.
* @clk: clock source
*
@@ -292,6 +277,17 @@ static inline void clk_put(struct clk *clk) {}

static inline void devm_clk_put(struct device *dev, struct clk *clk) {}

+static inline int clk_prepare(struct clk *clk)
+{
+ might_sleep();
+ return 0;
+}
+
+static inline void clk_unprepare(struct clk *clk)
+{
+ might_sleep();
+}
+
static inline int clk_enable(struct clk *clk)
{
return 0;
--
1.7.11.7

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