aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/kernel/cpu/sh4a/clock-sh7780.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/kernel/cpu/sh4a/clock-sh7780.c')
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7780.c43
1 files changed, 17 insertions, 26 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7780.c b/arch/sh/kernel/cpu/sh4a/clock-sh7780.c
index 01f3da619d3..a249d823578 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7780.c
@@ -29,30 +29,30 @@ static struct clk_ops sh7780_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_inl(FRQCR) & 0x0003);
- clk->rate = clk->parent->rate / pfc_divisors[idx];
+ return clk->parent->rate / pfc_divisors[idx];
}
static struct clk_ops sh7780_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_inl(FRQCR) >> 16) & 0x0007);
- clk->rate = clk->parent->rate / bfc_divisors[idx];
+ return clk->parent->rate / bfc_divisors[idx];
}
static struct clk_ops sh7780_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_inl(FRQCR) >> 24) & 0x0001);
- clk->rate = clk->parent->rate / ifc_divisors[idx];
+ return clk->parent->rate / ifc_divisors[idx];
}
static struct clk_ops sh7780_cpu_clk_ops = {
@@ -72,10 +72,10 @@ void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
*ops = sh7780_clk_ops[idx];
}
-static void shyway_clk_recalc(struct clk *clk)
+static unsigned long shyway_clk_recalc(struct clk *clk)
{
int idx = ((ctrl_inl(FRQCR) >> 20) & 0x0007);
- clk->rate = clk->parent->rate / cfc_divisors[idx];
+ return clk->parent->rate / cfc_divisors[idx];
}
static struct clk_ops sh7780_shyway_clk_ops = {
@@ -84,7 +84,7 @@ static struct clk_ops sh7780_shyway_clk_ops = {
static struct clk sh7780_shyway_clk = {
.name = "shyway_clk",
- .flags = CLK_ALWAYS_ENABLED,
+ .flags = CLK_ENABLE_ON_INIT,
.ops = &sh7780_shyway_clk_ops,
};
@@ -96,31 +96,22 @@ static struct clk *sh7780_onchip_clocks[] = {
&sh7780_shyway_clk,
};
-static int __init sh7780_clk_init(void)
+int __init arch_clk_init(void)
{
- struct clk *clk = clk_get(NULL, "master_clk");
- int i;
+ struct clk *clk;
+ int i, ret = 0;
+ cpg_clk_init();
+
+ clk = clk_get(NULL, "master_clk");
for (i = 0; i < ARRAY_SIZE(sh7780_onchip_clocks); i++) {
struct clk *clkp = sh7780_onchip_clocks[i];
clkp->parent = clk;
- clk_register(clkp);
- clk_enable(clkp);
+ ret |= clk_register(clkp);
}
- /*
- * Now that we have the rest of the clocks registered, we need to
- * force the parent clock to propagate so that these clocks will
- * automatically figure out their rate. We cheat by handing the
- * parent clock its current rate and forcing child propagation.
- */
- clk_set_rate(clk, clk_get_rate(clk));
-
clk_put(clk);
- return 0;
+ return ret;
}
-
-arch_initcall(sh7780_clk_init);
-