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Message-Id: <20200212235134.12638-7-digetx@gmail.com>
Date: Thu, 13 Feb 2020 02:51:23 +0300
From: Dmitry Osipenko <digetx@...il.com>
To: Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Peter De Schrijver <pdeschrijver@...dia.com>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Michał Mirosław <mirq-linux@...e.qmqm.pl>,
Jasper Korten <jja2000@...il.com>,
David Heidelberg <david@...t.cz>,
Peter Geis <pgwipeout@...il.com>
Cc: linux-pm@...r.kernel.org, linux-tegra@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v9 06/17] 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@...dia.com>
Tested-by: Peter Geis <pgwipeout@...il.com>
Tested-by: Jasper Korten <jja2000@...il.com>
Tested-by: David Heidelberg <david@...t.cz>
Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
arch/arm/mach-tegra/cpuidle-tegra114.c | 3 +-
arch/arm/mach-tegra/cpuidle-tegra20.c | 2 +-
arch/arm/mach-tegra/cpuidle-tegra30.c | 3 +-
arch/arm/mach-tegra/irq.c | 3 +-
arch/arm/mach-tegra/pm.h | 8 -----
arch/arm/mach-tegra/sleep.h | 1 -
arch/arm/mach-tegra/tegra.c | 1 -
.../mach-tegra => include/soc/tegra}/irq.h | 8 +++--
include/soc/tegra/pm.h | 31 +++++++++++++++++++
9 files changed, 43 insertions(+), 17 deletions(-)
rename {arch/arm/mach-tegra => include/soc/tegra}/irq.h (59%)
diff --git a/arch/arm/mach-tegra/cpuidle-tegra114.c b/arch/arm/mach-tegra/cpuidle-tegra114.c
index 5118f777fd66..2d8527837aeb 100644
--- a/arch/arm/mach-tegra/cpuidle-tegra114.c
+++ b/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
diff --git a/arch/arm/mach-tegra/cpuidle-tegra20.c b/arch/arm/mach-tegra/cpuidle-tegra20.c
index 9789541adb7d..fdfe92068e38 100644
--- a/arch/arm/mach-tegra/cpuidle-tegra20.c
+++ b/arch/arm/mach-tegra/cpuidle-tegra20.c
@@ -19,6 +19,7 @@
#include <linux/module.h>
#include <soc/tegra/flowctrl.h>
+#include <soc/tegra/pm.h>
#include <asm/cpuidle.h>
#include <asm/smp_plat.h>
@@ -27,7 +28,6 @@
#include "cpuidle.h"
#include "iomap.h"
#include "irq.h"
-#include "pm.h"
#include "reset.h"
#include "sleep.h"
diff --git a/arch/arm/mach-tegra/cpuidle-tegra30.c b/arch/arm/mach-tegra/cpuidle-tegra30.c
index 17cbd118abee..3e91c29891f7 100644
--- a/arch/arm/mach-tegra/cpuidle-tegra30.c
+++ b/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
diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c
index ace7a390b5fe..4e1ee70b2a3f 100644
--- a/arch/arm/mach-tegra/irq.c
+++ b/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
diff --git a/arch/arm/mach-tegra/pm.h b/arch/arm/mach-tegra/pm.h
index 7d72f31dee77..81525f5f4a44 100644
--- a/arch/arm/mach-tegra/pm.h
+++ b/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_ */
diff --git a/arch/arm/mach-tegra/sleep.h b/arch/arm/mach-tegra/sleep.h
index 4978def9db46..4718a3cb45a1 100644
--- a/arch/arm/mach-tegra/sleep.h
+++ b/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
diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c
index 1e3b85923ca3..79184a077c84 100644
--- a/arch/arm/mach-tegra/tegra.c
+++ b/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"
diff --git a/arch/arm/mach-tegra/irq.h b/include/soc/tegra/irq.h
similarity index 59%
rename from arch/arm/mach-tegra/irq.h
rename to include/soc/tegra/irq.h
index 7a94cf121448..8eb11a7109e4 100644
--- a/arch/arm/mach-tegra/irq.h
+++ b/include/soc/tegra/irq.h
@@ -3,9 +3,11 @@
* Copyright (c) 2012, NVIDIA Corporation. All rights reserved.
*/
-#ifndef __TEGRA_IRQ_H
-#define __TEGRA_IRQ_H
+#ifndef __SOC_TEGRA_IRQ_H
+#define __SOC_TEGRA_IRQ_H
+#if defined(CONFIG_ARM)
bool tegra_pending_sgi(void);
-
#endif
+
+#endif /* __SOC_TEGRA_IRQ_H */
diff --git a/include/soc/tegra/pm.h b/include/soc/tegra/pm.h
index 951fcd738d55..1974e8405098 100644
--- a/include/soc/tegra/pm.h
+++ b/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__ */
--
2.24.0
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