[PATCH 18/24] clk: implement of_clk_hw_{onecell,simple}_get

[Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>]

These functions are easily implemented and make porting code easier.

Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
 drivers/clk/clk.c   | 22 ++++++++++++++++++++++
 include/linux/clk.h | 17 +++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 227ab75ed65d..8e317b4b05d0 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -578,6 +578,12 @@ struct clk *of_clk_src_simple_get(struct of_phandle_args *clkspec,
 }
 EXPORT_SYMBOL_GPL(of_clk_src_simple_get);
 
+struct clk_hw *of_clk_hw_simple_get(struct of_phandle_args *clkspec, void *data)
+{
+	return data;
+}
+EXPORT_SYMBOL_GPL(of_clk_hw_simple_get);
+
 struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data)
 {
 	struct clk_onecell_data *clk_data = data;
@@ -592,6 +598,22 @@ struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data)
 }
 EXPORT_SYMBOL_GPL(of_clk_src_onecell_get);
 
+struct clk_hw *
+of_clk_hw_onecell_get(struct of_phandle_args *clkspec, void *data)
+{
+	struct clk_hw_onecell_data *hw_data = data;
+	unsigned int idx = clkspec->args[0];
+
+	if (idx >= hw_data->num) {
+		pr_err("%s: invalid index %u\n", __func__, idx);
+		return ERR_PTR(-EINVAL);
+	}
+
+	return hw_data->hws[idx];
+}
+EXPORT_SYMBOL_GPL(of_clk_hw_onecell_get);
+
+
 static int __of_clk_add_provider(struct device_node *np,
 			struct clk *(*clk_src_get)(struct of_phandle_args *clkspec,
 						   void *data),
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 9396e01003e1..c0e998e54ae6 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -778,6 +778,11 @@ struct clk_onecell_data {
 	unsigned int clk_num;
 };
 
+struct clk_hw_onecell_data {
+	unsigned int num;
+	struct clk_hw *hws[];
+};
+
 #if defined(CONFIG_COMMON_CLK_OF_PROVIDER)
 
 #define CLK_OF_DECLARE(name, compat, fn)				\
@@ -791,6 +796,8 @@ typedef int (*of_clk_init_cb_t)(struct device_node *);
 
 struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data);
 struct clk *of_clk_src_simple_get(struct of_phandle_args *clkspec, void *data);
+struct clk_hw *of_clk_hw_onecell_get(struct of_phandle_args *clkspec, void *data);
+struct clk_hw *of_clk_hw_simple_get(struct of_phandle_args *clkspec, void *data);
 
 struct clk *of_clk_get(struct device_node *np, int index);
 struct clk *of_clk_get_by_name(struct device_node *np, const char *name);
@@ -826,11 +833,21 @@ static inline struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec
 {
 	return ERR_PTR(-ENOENT);
 }
+static inline struct clk_hw *of_clk_hw_onecell_get(struct of_phandle_args *clkspec,
+						 void *data)
+{
+	return ERR_PTR(-ENOENT);
+}
 static inline struct clk *
 of_clk_src_simple_get(struct of_phandle_args *clkspec, void *data)
 {
 	return ERR_PTR(-ENOENT);
 }
+static inline struct clk *
+of_clk_hw_simple_get(struct of_phandle_args *clkspec, void *data)
+{
+	return ERR_PTR(-ENOENT);
+}
 static inline struct clk *of_clk_get(struct device_node *np, int index)
 {
 	return ERR_PTR(-ENOENT);
-- 
2.30.2


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