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Diffstat (limited to 'arch/sh/kernel/cpu/clock.c')
-rw-r--r--arch/sh/kernel/cpu/clock.c70
1 files changed, 14 insertions, 56 deletions
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 0a7755cc8a25..033f4662b59d 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -30,54 +30,12 @@
#include <linux/platform_device.h>
#include <linux/proc_fs.h>
#include <asm/clock.h>
+#include <asm/machvec.h>
static LIST_HEAD(clock_list);
static DEFINE_SPINLOCK(clock_lock);
static DEFINE_MUTEX(clock_list_sem);
-/*
- * Each subtype is expected to define the init routines for these clocks,
- * as each subtype (or processor family) will have these clocks at the
- * very least. These are all provided through the CPG, which even some of
- * the more quirky parts (such as ST40, SH4-202, etc.) still have.
- *
- * The processor-specific code is expected to register any additional
- * clock sources that are of interest.
- */
-static struct clk master_clk = {
- .name = "master_clk",
- .flags = CLK_ENABLE_ON_INIT,
- .rate = CONFIG_SH_PCLK_FREQ,
-};
-
-static struct clk peripheral_clk = {
- .name = "peripheral_clk",
- .parent = &master_clk,
- .flags = CLK_ENABLE_ON_INIT,
-};
-
-static struct clk bus_clk = {
- .name = "bus_clk",
- .parent = &master_clk,
- .flags = CLK_ENABLE_ON_INIT,
-};
-
-static struct clk cpu_clk = {
- .name = "cpu_clk",
- .parent = &master_clk,
- .flags = CLK_ENABLE_ON_INIT,
-};
-
-/*
- * The ordering of these clocks matters, do not change it.
- */
-static struct clk *onchip_clocks[] = {
- &master_clk,
- &peripheral_clk,
- &bus_clk,
- &cpu_clk,
-};
-
/* Used for clocks that always have same value as the parent clock */
unsigned long followparent_recalc(struct clk *clk)
{
@@ -443,10 +401,6 @@ void clk_put(struct clk *clk)
}
EXPORT_SYMBOL_GPL(clk_put);
-int __init __weak arch_clk_init(void)
-{
- return 0;
-}
static int show_clocks(char *buf, char **start, off_t off,
int len, int *eof, void *data)
@@ -533,18 +487,22 @@ subsys_initcall(clk_sysdev_init);
int __init clk_init(void)
{
- int i, ret = 0;
-
- BUG_ON(!master_clk.rate);
-
- for (i = 0; i < ARRAY_SIZE(onchip_clocks); i++) {
- struct clk *clk = onchip_clocks[i];
+ int ret;
- arch_init_clk_ops(&clk->ops, i);
- ret |= clk_register(clk);
+ ret = arch_clk_init();
+ if (unlikely(ret)) {
+ pr_err("%s: CPU clock registration failed.\n", __func__);
+ return ret;
}
- ret |= arch_clk_init();
+ if (sh_mv.mv_clk_init) {
+ ret = sh_mv.mv_clk_init();
+ if (unlikely(ret)) {
+ pr_err("%s: machvec clock initialization failed.\n",
+ __func__);
+ return ret;
+ }
+ }
/* Kick the child clocks.. */
recalculate_root_clocks();