2 files changed, 38 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index fc62fb5fc20b..0ae0eae01fd1 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -335,6 +335,38 @@ struct clk *omap_clk_get_by_name(const char *name)
         return ret;
 }
 
+int 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_unlock_irqrestore(&clockfw_lock, flags);
+
+        return 0;
+}
+
+int 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_unlock_irqrestore(&clockfw_lock, flags);
+
+        return 0;
+}
+
 /*
  * Low level helpers
  */
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index d43e6234dbbb..be69f5cac32d 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -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
@@ -293,6 +297,8 @@ 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 int omap_clk_enable_autoidle_all(void);
+extern int omap_clk_disable_autoidle_all(void);
 
 extern const struct clkops clkops_null;