clk: bcm: kona: Remove unused scaled_div_build

scaled_div_build() was added in 2014 by
commit 1f27f15 ("clk: bcm281xx: add initial clock framework support")
but hasn't been used.

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20250505013545.359745-1-linux@treblig.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: Dr. David Alan Gilbert

drivers/clk/bcm/clk-kona.c

@@ -53,24 +53,6 @@ static inline u64 scaled_div_value(struct bcm_clk_div *div, u32 reg_div)
 	return (u64)reg_div + ((u64)1 << div->u.s.frac_width);
 }
 
-/*
- * Build a scaled divider value as close as possible to the
- * given whole part (div_value) and fractional part (expressed
- * in billionths).
- */
-u64 scaled_div_build(struct bcm_clk_div *div, u32 div_value, u32 billionths)
-{
-	u64 combined;
-
-	BUG_ON(!div_value);
-	BUG_ON(billionths >= BILLION);
-
-	combined = (u64)div_value * BILLION + billionths;
-	combined <<= div->u.s.frac_width;
-
-	return DIV_ROUND_CLOSEST_ULL(combined, BILLION);
-}
-
 /* The scaled minimum divisor representable by a divider */
 static inline u64
 scaled_div_min(struct bcm_clk_div *div)

drivers/clk/bcm/clk-kona.h

@@ -492,8 +492,6 @@ extern struct clk_ops kona_peri_clk_ops;
 /* Externally visible functions */
 
 extern u64 scaled_div_max(struct bcm_clk_div *div);
-extern u64 scaled_div_build(struct bcm_clk_div *div, u32 div_value,
-				u32 billionths);
 
 extern void __init kona_dt_ccu_setup(struct ccu_data *ccu,
 				struct device_node *node);