ARM: tegra: Expose PM functions required for new cpuidle driver

The upcoming unified CPUIDLE driver will be added to the drivers/cpuidle/
directory and it will require all these exposed Tegra PM-core functions.

Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Tested-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Jasper Korten <jja2000@gmail.com>
Tested-by: David Heidelberg <david@ixit.cz>
Tested-by: Nicolas Chauvet <kwizart@gmail.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
[treding@nvidia.com: fixup missing include rename]
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/mach-tegra/cpuidle-tegra114.c

@@ -12,13 +12,14 @@
 
 #include <linux/firmware/trusted_foundations.h>
 
+#include <soc/tegra/pm.h>
+
 #include <asm/cpuidle.h>
 #include <asm/smp_plat.h>
 #include <asm/suspend.h>
 #include <asm/psci.h>
 
 #include "cpuidle.h"
-#include "pm.h"
 #include "sleep.h"
 
 #ifdef CONFIG_PM_SLEEP

arch/arm/mach-tegra/cpuidle-tegra20.c

@@ -18,6 +18,8 @@
 #include <linux/module.h>
 
 #include <soc/tegra/flowctrl.h>
+#include <soc/tegra/irq.h>
+#include <soc/tegra/pm.h>
 
 #include <asm/cpuidle.h>
 #include <asm/smp_plat.h>
@@ -25,8 +27,6 @@
 
 #include "cpuidle.h"
 #include "iomap.h"
-#include "irq.h"
-#include "pm.h"
 #include "reset.h"
 #include "sleep.h"
 

arch/arm/mach-tegra/cpuidle-tegra30.c

@@ -17,12 +17,13 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 
+#include <soc/tegra/pm.h>
+
 #include <asm/cpuidle.h>
 #include <asm/smp_plat.h>
 #include <asm/suspend.h>
 
 #include "cpuidle.h"
-#include "pm.h"
 #include "sleep.h"
 
 #ifdef CONFIG_PM_SLEEP

arch/arm/mach-tegra/irq.c

@@ -18,9 +18,10 @@
 #include <linux/of.h>
 #include <linux/syscore_ops.h>
 
+#include <soc/tegra/irq.h>
+
 #include "board.h"
 #include "iomap.h"
-#include "irq.h"
 
 #define SGI_MASK 0xFFFF
 

arch/arm/mach-tegra/pm.h

@@ -23,20 +23,12 @@ void tegra20_sleep_core_init(void);
 void tegra30_lp1_iram_hook(void);
 void tegra30_sleep_core_init(void);
 
-void tegra_clear_cpu_in_lp2(void);
-void tegra_set_cpu_in_lp2(void);
-int tegra_idle_lp2_last(void);
 extern void (*tegra_tear_down_cpu)(void);
 
 #ifdef CONFIG_PM_SLEEP
 void tegra_init_suspend(void);
-int tegra_pm_park_secondary_cpu(unsigned long cpu);
 #else
 static inline void tegra_init_suspend(void) {}
-static inline int tegra_pm_park_secondary_cpu(unsigned long cpu)
-{
-	return -ENOTSUPP;
-}
 #endif
 
 #endif /* _MACH_TEGRA_PM_H_ */

arch/arm/mach-tegra/sleep.h

@@ -122,7 +122,6 @@ void tegra20_hotplug_shutdown(void);
 void tegra30_hotplug_shutdown(void);
 
 void tegra20_tear_down_cpu(void);
-int tegra30_sleep_cpu_secondary_finish(unsigned long);
 void tegra30_tear_down_cpu(void);
 
 #endif

arch/arm/mach-tegra/tegra.c

@@ -42,7 +42,6 @@
 #include "common.h"
 #include "cpuidle.h"
 #include "iomap.h"
-#include "irq.h"
 #include "pm.h"
 #include "reset.h"
 #include "sleep.h"

include/soc/tegra/irq.h

@@ -3,9 +3,11 @@
  * Copyright (c) 2012, NVIDIA Corporation. All rights reserved.
  */
 
-#ifndef __TEGRA_IRQ_H
+#ifndef __SOC_TEGRA_IRQ_H
-#define __TEGRA_IRQ_H
+#define __SOC_TEGRA_IRQ_H
 
+#if defined(CONFIG_ARM)
 bool tegra_pending_sgi(void);
-
 #endif
+
+#endif /* __SOC_TEGRA_IRQ_H */

include/soc/tegra/pm.h

@@ -6,6 +6,8 @@
 #ifndef __SOC_TEGRA_PM_H__
 #define __SOC_TEGRA_PM_H__
 
+#include <linux/errno.h>
+
 enum tegra_suspend_mode {
 	TEGRA_SUSPEND_NONE = 0,
 	TEGRA_SUSPEND_LP2, /* CPU voltage off */
@@ -20,6 +22,12 @@ tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode);
 
 /* low-level resume entry point */
 void tegra_resume(void);
+
+int tegra30_sleep_cpu_secondary_finish(unsigned long arg);
+void tegra_clear_cpu_in_lp2(void);
+void tegra_set_cpu_in_lp2(void);
+int tegra_idle_lp2_last(void);
+int tegra_pm_park_secondary_cpu(unsigned long cpu);
 #else
 static inline enum tegra_suspend_mode
 tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode)
@@ -30,6 +38,29 @@ tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode)
 static inline void tegra_resume(void)
 {
 }
+
+static inline int tegra30_sleep_cpu_secondary_finish(unsigned long arg)
+{
+	return -ENOTSUPP;
+}
+
+static inline void tegra_clear_cpu_in_lp2(void)
+{
+}
+
+static inline void tegra_set_cpu_in_lp2(void)
+{
+}
+
+static inline int tegra_idle_lp2_last(void)
+{
+	return -ENOTSUPP;
+}
+
+static inline int tegra_pm_park_secondary_cpu(unsigned long cpu)
+{
+	return -ENOTSUPP;
+}
 #endif /* CONFIG_PM_SLEEP */
 
 #endif /* __SOC_TEGRA_PM_H__ */