sh: clkfwk: Make recalc return an unsigned long.

This is prep work for cleaning up some of the rate propagation bits.
Trivial conversion.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/kernel/cpu/sh3/clock-sh7709.c

@@ -41,12 +41,12 @@ static struct clk_ops sh7709_master_clk_ops = {
 	.init		= master_clk_init,
 };
 
-static void module_clk_recalc(struct clk *clk)
+static unsigned long module_clk_recalc(struct clk *clk)
 {
 	int frqcr = ctrl_inw(FRQCR);
 	int idx = ((frqcr & 0x2000) >> 11) | (frqcr & 0x0003);
 
-	clk->rate = clk->parent->rate / pfc_divisors[idx];
+	return clk->parent->rate / pfc_divisors[idx];
 }
 
 static struct clk_ops sh7709_module_clk_ops = {
@@ -56,25 +56,25 @@ static struct clk_ops sh7709_module_clk_ops = {
 	.recalc		= module_clk_recalc,
 };
 
-static void bus_clk_recalc(struct clk *clk)
+static unsigned long bus_clk_recalc(struct clk *clk)
 {
 	int frqcr = ctrl_inw(FRQCR);
 	int idx = (frqcr & 0x0080) ?
 		((frqcr & 0x8000) >> 13) | ((frqcr & 0x0030) >> 4) : 1;
 
-	clk->rate = clk->parent->rate * stc_multipliers[idx];
+	return clk->parent->rate * stc_multipliers[idx];
 }
 
 static struct clk_ops sh7709_bus_clk_ops = {
 	.recalc		= bus_clk_recalc,
 };
 
-static void cpu_clk_recalc(struct clk *clk)
+static unsigned long cpu_clk_recalc(struct clk *clk)
 {
 	int frqcr = ctrl_inw(FRQCR);
 	int idx = ((frqcr & 0x4000) >> 12) | ((frqcr & 0x000c) >> 2);
 
-	clk->rate = clk->parent->rate / ifc_divisors[idx];
+	return clk->parent->rate / ifc_divisors[idx];
 }
 
 static struct clk_ops sh7709_cpu_clk_ops = {