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/sh5/clock-sh5.c

@@ -32,30 +32,30 @@ static struct clk_ops sh5_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(cprc_base) >> 12) & 0x0007;
-	clk->rate = clk->parent->rate / ifc_table[idx];
+	return clk->parent->rate / ifc_table[idx];
 }
 
 static struct clk_ops sh5_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 idx = (ctrl_inw(cprc_base) >> 3) & 0x0007;
-	clk->rate = clk->parent->rate / ifc_table[idx];
+	return clk->parent->rate / ifc_table[idx];
 }
 
 static struct clk_ops sh5_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(cprc_base) & 0x0007);
-	clk->rate = clk->parent->rate / ifc_table[idx];
+	return clk->parent->rate / ifc_table[idx];
 }
 
 static struct clk_ops sh5_cpu_clk_ops = {