clk: add clk_release_all()

Add clk_release_all() method which Disable/Free an
array of clocks that has been previously requested by
clk_request/get_by_*()

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/include/clk.h b/include/clk.h
index 5a5c2ff1e6..a905a4143f 100644
--- a/include/clk.h
+++ b/include/clk.h
@@ -174,6 +174,20 @@ int clk_enable(struct clk *clk);
  */
 int clk_disable(struct clk *clk);
 
+/**
+ * clk_release_all() - Disable (turn off)/Free an array of previously
+ * requested clocks.
+ *
+ * For each clock contained in the clock array, this function will check if
+ * clock has been previously requested and then will disable and free it.
+ *
+ * @clk:	A clock struct array that was previously successfully
+ *		requested by clk_request/get_by_*().
+ * @count	Number of clock contained in the array
+ * @return zero on success, or -ve error code.
+ */
+int clk_release_all(struct clk *clk, int count);
+
 int soc_clk_dump(void);
 
 #endif