Move the pm_power_off callback into one global place and also add an
function for conditionally calling it (when not NULL), in order to remove
code duplication in all individual archs.
Signed-off-by: Enrico Weigelt, metux IT consult
---
arch/alpha/kernel/process.c| 6 --
arch/arc/kernel/reset.c| 3 ---
arch/arm/kernel/reboot.c | 6 ++
arch/arm64/kernel/process.c| 6 +-
arch/c6x/kernel/process.c | 10 ++
arch/csky/kernel/power.c | 10 +++---
arch/h8300/kernel/process.c| 3 ---
arch/hexagon/kernel/reset.c| 3 ---
arch/ia64/kernel/process.c | 5 +
arch/m68k/kernel/process.c | 3 ---
arch/microblaze/kernel/process.c | 3 ---
arch/mips/kernel/reset.c | 6 +-
arch/nds32/kernel/process.c| 7 ++-
arch/nios2/kernel/process.c| 3 ---
arch/openrisc/kernel/process.c | 3 ---
arch/parisc/kernel/process.c | 9 +++--
arch/powerpc/kernel/setup-common.c | 5 ++---
arch/powerpc/xmon/xmon.c | 4 ++--
arch/riscv/kernel/reset.c | 9 -
arch/s390/kernel/setup.c | 3 ---
arch/sh/kernel/reboot.c| 6 +-
arch/x86/kernel/reboot.c | 15 ---
arch/x86/xen/enlighten_pv.c| 4 ++--
arch/xtensa/kernel/process.c | 4
include/linux/pm.h | 2 ++
kernel/reboot.c| 10 ++
26 files changed, 42 insertions(+), 106 deletions(-)
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 6c71554206cc..df0df869751d 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -43,12 +43,6 @@
#include "proto.h"
#include "pci_impl.h"
-/*
- * Power off function, if any
- */
-void (*pm_power_off)(void) = machine_power_off;
-EXPORT_SYMBOL(pm_power_off);
-
#ifdef CONFIG_ALPHA_WTINT
/*
* Sleep the CPU.
diff --git a/arch/arc/kernel/reset.c b/arch/arc/kernel/reset.c
index fd6c3eb930ba..3a27b6a202d4 100644
--- a/arch/arc/kernel/reset.c
+++ b/arch/arc/kernel/reset.c
@@ -26,6 +26,3 @@ void machine_power_off(void)
/* FIXME :: power off ??? */
machine_halt();
}
-
-void (*pm_power_off) (void) = NULL;
-EXPORT_SYMBOL(pm_power_off);
diff --git a/arch/arm/kernel/reboot.c b/arch/arm/kernel/reboot.c
index 0ce388f15422..9e1bf0e9b3e0 100644
--- a/arch/arm/kernel/reboot.c
+++ b/arch/arm/kernel/reboot.c
@@ -6,6 +6,7 @@
#include
#include
#include
+#include
#include
#include
@@ -19,8 +20,6 @@ typedef void (*phys_reset_t)(unsigned long, bool);
* Function pointers to optional machine specific functions
*/
void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
-void (*pm_power_off)(void);
-EXPORT_SYMBOL(pm_power_off);
/*
* A temporary stack to use for CPU reset. This is static so that we
@@ -118,8 +117,7 @@ void machine_power_off(void)
local_irq_disable();
smp_send_stop();
- if (pm_power_off)
- pm_power_off();
+ do_power_off();
}
/*
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 6616486a58fe..a5d4c1e80abd 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -67,9 +67,6 @@ EXPORT_SYMBOL(__stack_chk_guard);
/*
* Function pointers to optional machine specific functions
*/
-void (*pm_power_off)(void);
-EXPORT_SYMBOL_GPL(pm_power_off);
-
void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
static void noinstr __cpu_do_idle(void)
@@ -172,8 +169,7 @@ void machine_power_off(void)
{
local_irq_disable();
smp_send_stop();
- if (pm_power_off)
- pm_power_off();
+ do_power_off();
}
/*
diff --git a/arch/c6x/kernel/process.c b/arch/c6x/kernel/process.c
index 9f4fd6a40a10..8b4b24476162 100644
--- a/arch/c6x/kernel/process.c
+++ b/arch/c6x/kernel/process.c
@@ -15,6 +15,7 @@
#include
#include
#include
+#include
#include
@@ -25,12 +26,6 @@ void (*c6x_halt)(void);
extern asmlinkage void ret_from_fork(void);
extern asmlinkage void ret_from_kernel_thread(void);
-/*
- * power off function, if any
- */
-void (*pm_power_off)(void);
-EXPORT_SYMBOL(pm_power_off);
-
void arch_cpu_idle(void)
{
unsigned long tmp;
@@ -71,8 +66,7 @@ void machine_halt(void)
void machine_power_off(void)
{
- if (pm_power_off)
- pm_power_off();
+ do_power_off();
halt_loop();
}
diff --git a/arch/csky/kernel/power.c b/arch/csky/kernel/power.c
index 923ee4e381b8..c702e66ce03a 100644
--- a/arch/csky/kernel/power.c
+++ b/arch/csky/kernel/power.c
@@ -2,23 +2,19 @@
// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
#include
-
-void (*pm_power_off)(void);
-EXPORT_SYMBOL(pm_power_off);
+#include
void machine_power_off(void)
{
local_irq_disable();
- if (pm_power_off)
- pm_power_off();
+ do_power_off();
asm volatile ("bkpt");
