return;
spin_lock_irqsave(&clockfw_lock, flags);
- BUG_ON(clk->usecount == 0);
+ if (clk->usecount == 0) {
+ printk(KERN_ERR "Trying disable clock %s with 0 usecount\n",
+ clk->name);
+ WARN_ON(1);
+ goto out;
+ }
+
if (arch_clock->clk_disable)
arch_clock->clk_disable(clk);
+
+out:
spin_unlock_irqrestore(&clockfw_lock, flags);
}
EXPORT_SYMBOL(clk_disable);
}
}
+/**
+ * recalculate_root_clocks - recalculate and propagate all root clocks
+ *
+ * Recalculates all root clocks (clocks with no parent), which if the
+ * clock's .recalc is set correctly, should also propagate their rates.
+ * Called at init.
+ */
+void recalculate_root_clocks(void)
+{
+ struct clk *clkp;
+
+ list_for_each_entry(clkp, &clocks, node) {
+ if (unlikely(!clkp->parent) && likely((u32)clkp->recalc))
+ clkp->recalc(clkp);
+ }
+}
+
int clk_register(struct clk *clk)
{
if (clk == NULL || IS_ERR(clk))
}
EXPORT_SYMBOL(clk_allow_idle);
+void clk_enable_init_clocks(void)
+{
+ struct clk *clkp;
+
+ list_for_each_entry(clkp, &clocks, node) {
+ if (clkp->flags & ENABLE_ON_INIT)
+ clk_enable(clkp);
+ }
+}
+EXPORT_SYMBOL(clk_enable_init_clocks);
+
+#ifdef CONFIG_CPU_FREQ
+void clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&clockfw_lock, flags);
+ if (arch_clock->clk_init_cpufreq_table)
+ arch_clock->clk_init_cpufreq_table(table);
+ spin_unlock_irqrestore(&clockfw_lock, flags);
+}
+EXPORT_SYMBOL(clk_init_cpufreq_table);
+#endif
+
/*-------------------------------------------------------------------------*/
#ifdef CONFIG_OMAP_RESET_CLOCKS