diff options
| author |   Magnus Damm <damm@igel.co.jp> | 2008-07-17 19:05:54 +0900 |
|---|---|---|
| committer |   Paul Mundt <lethal@linux-sh.org> | 2008-07-28 18:10:36 +0900 |
| commit | 152fe36ebee82b63a9c6e510c52aaa82f4b1940d (patch) | |
| tree | 4f3a4be582896037df99a8e90f006da905cbc557 /arch | |
| parent | sh: Merge sh7343 and sh7722 clock code (diff) | |
| download | linux-dev-152fe36ebee82b63a9c6e510c52aaa82f4b1940d.tar.xz linux-dev-152fe36ebee82b63a9c6e510c52aaa82f4b1940d.zip | |
sh: Show all clocks and their state in /proc/clocks
Show all clocks in /proc/clocks, and also show if they are enabled or
disabled. This is useful to show MSTPCR bits on SuperH Mobile processors.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/kernel/cpu/clock.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c index 73334c689e9d..f5eb56e6bc59 100644 --- a/arch/sh/kernel/cpu/clock.c +++ b/arch/sh/kernel/cpu/clock.c @@ -308,15 +308,11 @@ static int show_clocks(char *buf, char **start, off_t off, 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); + p += sprintf(p, "%-12s\t: %ld.%02ldMHz\t%s\n", clk->name, + rate / 1000000, (rate % 1000000) / 10000, + ((clk->flags & CLK_ALWAYS_ENABLED) || + (atomic_read(&clk->kref.refcount) != 1)) ? + "enabled" : "disabled"); } return p - buf; |