[PATCH 02/31] clk: export generic routines

[Dario Binacchi]

Export routines that can be used by other drivers avoiding duplicating
code.

Signed-off-by: Dario Binacchi <dariobin at libero.it>
---

 drivers/clk/clk-divider.c    | 18 +++++++++---------
 include/linux/clk-provider.h | 10 ++++++++++
 2 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index 8f59d7fb72..9fd5fa8423 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -28,7 +28,7 @@
 
 #define UBOOT_DM_CLK_CCF_DIVIDER "ccf_clk_divider"
 
-static unsigned int _get_table_div(const struct clk_div_table *table,
+unsigned int divider_get_table_div(const struct clk_div_table *table,
 				   unsigned int val)
 {
 	const struct clk_div_table *clkt;
@@ -49,7 +49,7 @@ static unsigned int _get_div(const struct clk_div_table *table,
 	if (flags & CLK_DIVIDER_MAX_AT_ZERO)
 		return val ? val : clk_div_mask(width) + 1;
 	if (table)
-		return _get_table_div(table, val);
+		return divider_get_table_div(table, val);
 	return val + 1;
 }
 
@@ -89,7 +89,7 @@ static ulong clk_divider_recalc_rate(struct clk *clk)
 				   divider->flags, divider->width);
 }
 
-static bool _is_valid_table_div(const struct clk_div_table *table,
+bool divider_is_valid_table_div(const struct clk_div_table *table,
 				unsigned int div)
 {
 	const struct clk_div_table *clkt;
@@ -100,17 +100,17 @@ static bool _is_valid_table_div(const struct clk_div_table *table,
 	return false;
 }
 
-static bool _is_valid_div(const struct clk_div_table *table, unsigned int div,
-			  unsigned long flags)
+bool divider_is_valid_div(const struct clk_div_table *table,
+			  unsigned int div, unsigned long flags)
 {
 	if (flags & CLK_DIVIDER_POWER_OF_TWO)
 		return is_power_of_2(div);
 	if (table)
-		return _is_valid_table_div(table, div);
+		return divider_is_valid_table_div(table, div);
 	return true;
 }
 
-static unsigned int _get_table_val(const struct clk_div_table *table,
+unsigned int divider_get_table_val(const struct clk_div_table *table,
 				   unsigned int div)
 {
 	const struct clk_div_table *clkt;
@@ -131,7 +131,7 @@ static unsigned int _get_val(const struct clk_div_table *table,
 	if (flags & CLK_DIVIDER_MAX_AT_ZERO)
 		return (div == clk_div_mask(width) + 1) ? 0 : div;
 	if (table)
-		return  _get_table_val(table, div);
+		return  divider_get_table_val(table, div);
 	return div - 1;
 }
 int divider_get_val(unsigned long rate, unsigned long parent_rate,
@@ -142,7 +142,7 @@ int divider_get_val(unsigned long rate, unsigned long parent_rate,
 
 	div = DIV_ROUND_UP_ULL((u64)parent_rate, rate);
 
-	if (!_is_valid_div(table, div, flags))
+	if (!divider_is_valid_div(table, div, flags))
 		return -EINVAL;
 
 	value = _get_val(table, div, flags, width);
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index a2630056de..b7cc8d89f1 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -74,6 +74,7 @@ struct clk_mux {
 #define to_clk_mux(_clk) container_of(_clk, struct clk_mux, clk)
 extern const struct clk_ops clk_mux_ops;
 u8 clk_mux_get_parent(struct clk *clk);
+unsigned int clk_mux_index_to_val(u32 *table, unsigned int flags, u8 index);
 
 struct clk_gate {
 	struct clk	clk;
@@ -124,6 +125,15 @@ struct clk_divider {
 #define CLK_DIVIDER_READ_ONLY		BIT(5)
 #define CLK_DIVIDER_MAX_AT_ZERO		BIT(6)
 extern const struct clk_ops clk_divider_ops;
+
+unsigned int divider_get_table_div(const struct clk_div_table *table,
+				   unsigned int val);
+unsigned int divider_get_table_val(const struct clk_div_table *table,
+				   unsigned int div);
+bool divider_is_valid_div(const struct clk_div_table *table,
+			  unsigned int div, unsigned long flags);
+bool divider_is_valid_table_div(const struct clk_div_table *table,
+				unsigned int div);
 unsigned long divider_recalc_rate(struct clk *hw, unsigned long parent_rate,
 				  unsigned int val,
 				  const struct clk_div_table *table,
-- 
2.17.1