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Commit 73f7d1ca authored by Lee, Chun-Yi's avatar Lee, Chun-Yi Committed by Rafael J. Wysocki
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ACPI / init: Run acpi_early_init() before timekeeping_init() 



This is a variant patch from Rafael J. Wysocki's
ACPI / init: Run acpi_early_init() before efi_enter_virtual_mode()

According to Matt Fleming, if acpi_early_init() was executed before
efi_enter_virtual_mode(), the EFI initialization could benefit from
it, so Rafael's patch makes that happen.

And, we want accessing ACPI TAD device to set system clock, so move
acpi_early_init() before timekeeping_init(). This final position is
also before efi_enter_virtual_mode().

Tested-by: default avatarToshi Kani <toshi.kani@hp.com>
Signed-off-by: default avatarLee, Chun-Yi <jlee@suse.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 7e22e911

init/main.c

+1 −1
Original line number Diff line number Diff line
@@ -565,6 +565,7 @@ asmlinkage void __init start_kernel(void) 
	init_timers();

	hrtimers_init();

	softirq_init();

	acpi_early_init();

	timekeeping_init();

	time_init();

	sched_clock_postinit();
@@ -641,7 +642,6 @@ asmlinkage void __init start_kernel(void) 


	check_bugs();



	acpi_early_init(); /* before LAPIC and SMP init */

	sfi_init_late();



	if (efi_enabled(EFI_RUNTIME_SERVICES)) {