@@ -335,6 +335,34 @@ struct clk *omap_clk_get_by_name(const char *name)
return ret;
}
+void omap_clk_enable_autoidle_all(void)
+{
+ struct clk *c;
+ unsigned long flags;
+
+ spin_lock_irqsave(&clockfw_lock, flags);
+
+ list_for_each_entry(c, &clocks, node)
+ if (c->ops->allow_idle)
+ c->ops->allow_idle(c);
+
+ spin_lock_irqrestore(&clockfw_lock, flags);
+}
+
+void omap_clk_disable_autoidle_all(void)
+{
+ struct clk *c;
+ unsigned long flags;
+
+ spin_lock_irqsave(&clockfw_lock, flags);
+
+ list_for_each_entry(c, &clocks, node)
+ if (c->ops->deny_idle)
+ c->ops->deny_idle(c);
+
+ spin_lock_irqrestore(&clockfw_lock, flags);
+}
+
/*
* Low level helpers
*/
@@ -25,6 +25,8 @@ struct clockdomain;
* @disable: fn ptr that enables the current clock in hardware
* @find_idlest: function returning the IDLEST register for the clock's IP blk
* @find_companion: function returning the "companion" clk reg for the clock
+ * @allow_idle: fn ptr that enables autoidle for the current clock in hardware
+ * @deny_idle: fn ptr that disables autoidle for the current clock in hardware
*
* A "companion" clk is an accompanying clock to the one being queried
* that must be enabled for the IP module connected to the clock to
@@ -42,6 +44,8 @@ struct clkops {
u8 *, u8 *);
void (*find_companion)(struct clk *, void __iomem **,
u8 *);
+ void (*allow_idle)(struct clk *);
+ void (*deny_idle)(struct clk *);
};
#ifdef CONFIG_ARCH_OMAP2PLUS
@@ -292,6 +296,8 @@ extern void clk_init_cpufreq_table(struct cpufreq_frequency_table **table);
extern void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table);
#endif
extern struct clk *omap_clk_get_by_name(const char *name);
+extern void omap_clk_enable_autoidle_all(void);
+extern void omap_clk_disable_autoidle_all(void);
extern const struct clkops clkops_null;