diff options
| -rw-r--r-- | arch/sh/kernel/cpu/clock.c | 76 | ||||
| -rw-r--r-- | arch/sh/kernel/setup.c | 2 | ||||
| -rw-r--r-- | include/asm-sh/clock.h | 2 |
3 files changed, 46 insertions, 34 deletions
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c index 2075f90d76c7..014f318f5a05 100644 --- a/arch/sh/kernel/cpu/clock.c +++ b/arch/sh/kernel/cpu/clock.c @@ -1,7 +1,7 @@ /* * arch/sh/kernel/cpu/clock.c - SuperH clock framework * - * Copyright (C) 2005, 2006 Paul Mundt + * Copyright (C) 2005, 2006, 2007 Paul Mundt * * This clock framework is derived from the OMAP version by: * @@ -23,6 +23,7 @@ #include <linux/seq_file.h> #include <linux/err.h> #include <linux/platform_device.h> +#include <linux/proc_fs.h> #include <asm/clock.h> #include <asm/timer.h> @@ -108,6 +109,7 @@ int __clk_enable(struct clk *clk) return 0; } +EXPORT_SYMBOL_GPL(__clk_enable); int clk_enable(struct clk *clk) { @@ -120,6 +122,7 @@ int clk_enable(struct clk *clk) return ret; } +EXPORT_SYMBOL_GPL(clk_enable); static void clk_kref_release(struct kref *kref) { @@ -138,6 +141,7 @@ void __clk_disable(struct clk *clk) clk->ops->disable(clk); } } +EXPORT_SYMBOL_GPL(__clk_disable); void clk_disable(struct clk *clk) { @@ -147,6 +151,7 @@ void clk_disable(struct clk *clk) __clk_disable(clk); spin_unlock_irqrestore(&clock_lock, flags); } +EXPORT_SYMBOL_GPL(clk_disable); int clk_register(struct clk *clk) { @@ -168,6 +173,7 @@ int clk_register(struct clk *clk) return 0; } +EXPORT_SYMBOL_GPL(clk_register); void clk_unregister(struct clk *clk) { @@ -175,16 +181,19 @@ void clk_unregister(struct clk *clk) list_del(&clk->node); mutex_unlock(&clock_list_sem); } +EXPORT_SYMBOL_GPL(clk_unregister); -inline unsigned long clk_get_rate(struct clk *clk) +unsigned long clk_get_rate(struct clk *clk) { return clk->rate; } +EXPORT_SYMBOL_GPL(clk_get_rate); int clk_set_rate(struct clk *clk, unsigned long rate) { return clk_set_rate_ex(clk, rate, 0); } +EXPORT_SYMBOL_GPL(clk_set_rate); int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id) { @@ -203,6 +212,7 @@ int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id) return ret; } +EXPORT_SYMBOL_GPL(clk_set_rate_ex); void clk_recalc_rate(struct clk *clk) { @@ -217,6 +227,7 @@ void clk_recalc_rate(struct clk *clk) if (unlikely(clk->flags & CLK_RATE_PROPAGATES)) propagate_rate(clk); } +EXPORT_SYMBOL_GPL(clk_recalc_rate); /* * Returns a clock. Note that we first try to use device id on the bus @@ -253,18 +264,43 @@ found: return clk; } +EXPORT_SYMBOL_GPL(clk_get); void clk_put(struct clk *clk) { if (clk && !IS_ERR(clk)) module_put(clk->owner); } +EXPORT_SYMBOL_GPL(clk_put); void __init __attribute__ ((weak)) arch_init_clk_ops(struct clk_ops **ops, int type) { } +static int show_clocks(char *buf, char **start, off_t off, + int len, int *eof, void *data) +{ + struct clk *clk; + char *p = buf; + + list_for_each_entry_reverse(clk, &clock_list, node) { + unsigned long rate = clk_get_rate(clk); + + /* + * Don't bother listing dummy clocks with no ancestry + * that only support enable and disable ops. + */ + if (unlikely(!rate && !clk->parent)) + continue; + + p += sprintf(p, "%-12s\t: %ld.%02ldMHz\n", clk->name, + rate / 1000000, (rate % 1000000) / 10000); + } + + return p - buf; +} + int __init clk_init(void) { int i, ret = 0; @@ -285,36 +321,14 @@ int __init clk_init(void) return ret; } -int show_clocks(struct seq_file *m) +static int __init clk_proc_init(void) { - struct clk *clk; - - list_for_each_entry_reverse(clk, &clock_list, node) { - unsigned long rate = clk_get_rate(clk); - - /* - * Don't bother listing dummy clocks with no ancestry - * that only support enable and disable ops. - */ - if (unlikely(!rate && !clk->parent)) - continue; - - seq_printf(m, "%-12s\t: %ld.%02ldMHz\n", clk->name, - rate / 1000000, (rate % 1000000) / 10000); - } + struct proc_dir_entry *p; + p = create_proc_read_entry("clocks", S_IRUSR, NULL, + show_clocks, NULL); + if (unlikely(!p)) + return -EINVAL; return 0; } - -EXPORT_SYMBOL_GPL(clk_register); -EXPORT_SYMBOL_GPL(clk_unregister); -EXPORT_SYMBOL_GPL(clk_get); -EXPORT_SYMBOL_GPL(clk_put); -EXPORT_SYMBOL_GPL(clk_enable); -EXPORT_SYMBOL_GPL(clk_disable); -EXPORT_SYMBOL_GPL(__clk_enable); -EXPORT_SYMBOL_GPL(__clk_disable); -EXPORT_SYMBOL_GPL(clk_get_rate); -EXPORT_SYMBOL_GPL(clk_set_rate); -EXPORT_SYMBOL_GPL(clk_recalc_rate); -EXPORT_SYMBOL_GPL(clk_set_rate_ex); +subsys_initcall(clk_proc_init); diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 60cc2161438f..cab91a7665da 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -501,7 +501,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) c->loops_per_jiffy/(500000/HZ), (c->loops_per_jiffy/(5000/HZ)) % 100); - return show_clocks(m); + return 0; } static void *c_start(struct seq_file *m, loff_t *pos) diff --git a/include/asm-sh/clock.h b/include/asm-sh/clock.h index a5d629f090d4..386d797d86b7 100644 --- a/include/asm-sh/clock.h +++ b/include/asm-sh/clock.h @@ -48,8 +48,6 @@ void clk_recalc_rate(struct clk *); int clk_register(struct clk *); void clk_unregister(struct clk *); -int show_clocks(struct seq_file *m); - /* the exported API, in addition to clk_set_rate */ /** * clk_set_rate_ex - set the clock rate for a clock source, with additional parameter |