sh: Show all clocks and their state in /proc/clocks
PATCH 1/1 sh: Show all clocks and their state in /proc/clocks
From: Magnus Damm <[email protected]>
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 <[email protected]>
---
arch/sh/kernel/cpu/clock.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-)
arch/sh/kernel/cpu/clock.c +5 -9
@@ -308,15 +308,11 @@ static int show_clocks(char *buf, char *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;