[PATCH v5 1/8] clk: core: New macro CLK_OF_DECLARE_DRIVER

Ricardo Ribalda Delgado
2016-07-05T16:23:44Z

This will be used by drivers that requires initialization at
of_clk_init() time and also during platform device probing.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
---
include/linux/clk-provider.h | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index a39c0c530778..f403b8a5f8ca 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -780,6 +780,18 @@ extern struct of_device_id __clk_of_table;

#define CLK_OF_DECLARE(name, compat, fn) OF_DECLARE_1(clk, name, compat, fn)

+/*
+ * Use this macro when you have a driver that requires two initialization
+ * routines, one at of_clk_init(), and one at platform device probe
+ */
+#define CLK_OF_DECLARE_DRIVER(name, compat, fn) \
+ static void name##_of_clk_init_driver(struct device_node *np) \
+ { \
+ of_node_clear_flag(np, OF_POPULATED); \
+ fn(np); \
+ } \
+ OF_DECLARE_1(clk, name, compat, name##_of_clk_init_driver)
+
#ifdef CONFIG_OF
int of_clk_add_provider(struct device_node *np,
struct clk *(*clk_src_get)(struct of_phandle_args *args,
--
2.8.1