Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=db62e5bd297d1f325811c5495ad23de36db0fdd4
Commit: db62e5bd297d1f325811c5495ad23de36db0fdd4
Parent: 2a8ff4596cde3ec2a51980288ebb28a0d196d19a
Author: Paul Mundt <[EMAIL PROTECTED]>
AuthorDate: Thu Apr 26 12:17:20 2007 +0900
Committer: Paul Mundt <[EMAIL PROTECTED]>
CommitDate: Mon May 7 02:11:56 2007 +0000
sh: Move clock reporting to its own proc entry.
Previously this was done in cpuinfo, but with the number of clocks
growing, it makes more sense to place this in a different proc entry.
Signed-off-by: Paul Mundt <[EMAIL PROTECTED]>
---
arch/sh/kernel/cpu/clock.c | 76 ++++++++++++++++++++++++++------------------
arch/sh/kernel/setup.c | 2 +-
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 2075f90..014f318 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 60cc216..cab91a7 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 a5d629f..386d797 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
-
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