Commit 9f9c1f68 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

Merge branch 'pm-sysoff' 

Merge system power off handling rework from Dmitry Osipenko for
5.19-rc1.

This introduces a mechanism allowing power sequences to be used for
powering off the system and makes related changes in platform-specific
code for multiple platforms.

* pm-sysoff: (29 commits)
  kernel/reboot: Change registration order of legacy power-off handler
  m68k: virt: Switch to new sys-off handler API
  kernel/reboot: Add devm_register_restart_handler()
  kernel/reboot: Add devm_register_power_off_handler()
  soc/tegra: pmc: Use sys-off handler API to power off Nexus 7 properly
  reboot: Remove pm_power_off_prepare()
  regulator: pfuze100: Use devm_register_sys_off_handler()
  ACPI: power: Switch to sys-off handler API
  memory: emif: Use kernel_can_power_off()
  mips: Use do_kernel_power_off()
  ia64: Use do_kernel_power_off()
  x86: Use do_kernel_power_off()
  sh: Use do_kernel_power_off()
  m68k: Switch to new sys-off handler API
  powerpc: Use do_kernel_power_off()
  xen/x86: Use do_kernel_power_off()
  parisc: Use do_kernel_power_off()
  arm64: Use do_kernel_power_off()
  riscv: Use do_kernel_power_off()
  csky: Use do_kernel_power_off()
  ...
parents 1cdc5ba0 da007f17

arch/arm/kernel/reboot.c

+1 −3
Original line number Diff line number Diff line
@@ -116,9 +116,7 @@ void machine_power_off(void) 
{

	local_irq_disable();

	smp_send_stop();



	if (pm_power_off)

		pm_power_off();

	do_kernel_power_off();

}



/*

arch/arm64/kernel/process.c

+1 −2
Original line number Diff line number Diff line
@@ -111,8 +111,7 @@ void machine_power_off(void) 
{

	local_irq_disable();

	smp_send_stop();

	if (pm_power_off)

		pm_power_off();

	do_kernel_power_off();

}



/*

arch/csky/kernel/power.c

+2 −4
Original line number Diff line number Diff line
@@ -9,16 +9,14 @@ EXPORT_SYMBOL(pm_power_off); 
void machine_power_off(void)

{

	local_irq_disable();

	if (pm_power_off)

		pm_power_off();

	do_kernel_power_off();

	asm volatile ("bkpt");

}



void machine_halt(void)

{

	local_irq_disable();

	if (pm_power_off)

		pm_power_off();

	do_kernel_power_off();

	asm volatile ("bkpt");

}

arch/ia64/kernel/process.c

+2 −2
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#include <linux/module.h>

#include <linux/notifier.h>

#include <linux/personality.h>

#include <linux/reboot.h>

#include <linux/sched.h>

#include <linux/sched/debug.h>

#include <linux/sched/hotplug.h>
@@ -599,8 +600,7 @@ machine_halt (void) 
void

machine_power_off (void)

{

	if (pm_power_off)

		pm_power_off();

	do_kernel_power_off();

	machine_halt();

}

arch/m68k/emu/natfeat.c

+2 −1
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/string.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/reboot.h>

#include <linux/io.h>

#include <asm/machdep.h>

#include <asm/natfeat.h>
@@ -90,5 +91,5 @@ void __init nf_init(void) 
	pr_info("NatFeats found (%s, %lu.%lu)\n", buf, version >> 16,

		version & 0xffff);



	mach_power_off = nf_poweroff;

	register_platform_power_off(nf_poweroff);

}