diff options
| -rw-r--r-- | arch/arm/plat-omap/clock.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index f1179ad4be1b..3d017b04784b 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -33,6 +33,41 @@ static DEFINE_SPINLOCK(clockfw_lock); static struct clk_functions *arch_clock; +#ifdef CONFIG_PM_DEBUG + +static void print_parents(struct clk *clk) +{ + struct clk *p; + int printed = 0; + + list_for_each_entry(p, &clocks, node) { + if (p->parent == clk && p->usecount) { + if (!clk->usecount && !printed) { + printk("MISMATCH: %s\n", clk->name); + printed = 1; + } + printk("\t%-15s\n", p->name); + } + } +} + +void clk_print_usecounts(void) +{ + unsigned long flags; + struct clk *p; + + spin_lock_irqsave(&clockfw_lock, flags); + list_for_each_entry(p, &clocks, node) { + if (p->usecount) + printk("%-15s: %d\n", p->name, p->usecount); + print_parents(p); + + } + spin_unlock_irqrestore(&clockfw_lock, flags); +} + +#endif + /*------------------------------------------------------------------------- * Standard clock functions defined in include/linux/clk.h *-------------------------------------------------------------------------*/ |