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/sh2a/clock-sh7206.c

@@ -41,29 +41,29 @@ static struct clk_ops sh7206_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 idx = (ctrl_inw(FREQCR) & 0x0007);
-	clk->rate = clk->parent->rate / pfc_divisors[idx];
+	return clk->parent->rate / pfc_divisors[idx];
 }
 
 static struct clk_ops sh7206_module_clk_ops = {
 	.recalc		= module_clk_recalc,
 };
 
-static void bus_clk_recalc(struct clk *clk)
+static unsigned long bus_clk_recalc(struct clk *clk)
 {
-	clk->rate = clk->parent->rate / pll1rate[(ctrl_inw(FREQCR) >> 8) & 0x0007];
+	return clk->parent->rate / pll1rate[(ctrl_inw(FREQCR) >> 8) & 0x0007];
 }
 
 static struct clk_ops sh7206_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 idx = (ctrl_inw(FREQCR) & 0x0007);
-	clk->rate = clk->parent->rate / ifc_divisors[idx];
+	return clk->parent->rate / ifc_divisors[idx];
 }
 
 static struct clk_ops sh7206_cpu_clk_ops = {