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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-19 17:02:01 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-19 17:02:01 -0700
commit10ce3cc919f50c2043b41ca968b43c26a3672600 (patch)
treeea409366a5208aced495bc0516a08b81fd43222e /include/linux/clk.h
parent24e3e5ae1e4c2a3a32f5b1f96b4e3fd721806acd (diff)
parent5c6a7a62c130afef3d61c1dee153012231ff5cd9 (diff)
Merge branch 'next' into for-linus
Diffstat (limited to 'include/linux/clk.h')
-rw-r--r--include/linux/clk.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 7213b52b2c0..b9d46fa154b 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -107,6 +107,28 @@ static inline void clk_unprepare(struct clk *clk)
}
#endif
+/* clk_prepare_enable helps cases using clk_enable in non-atomic context. */
+static inline int clk_prepare_enable(struct clk *clk)
+{
+ int ret;
+
+ ret = clk_prepare(clk);
+ if (ret)
+ return ret;
+ ret = clk_enable(clk);
+ if (ret)
+ clk_unprepare(clk);
+
+ return ret;
+}
+
+/* clk_disable_unprepare helps cases using clk_disable in non-atomic context. */
+static inline void clk_disable_unprepare(struct clk *clk)
+{
+ clk_disable(clk);
+ clk_unprepare(clk);
+}
+
/**
* clk_get_rate - obtain the current clock rate (in Hz) for a clock source.
* This is only valid once the clock source has been enabled.