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ACPI/sleep: Convert acpi_wakeup_address into a function

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Convert acpi_wakeup_address from a raw variable into a function so that
x86 can wrap its dereference of the real mode boot header in a function
instead of broadcasting it to the world via a #define.  This sets the
stage for a future patch to move x86's definition of the new function,
acpi_get_wakeup_address(), out of asm/acpi.h and thus break acpi.h's
dependency on asm/realmode.h.

No functional change intended.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Link: https://lkml.kernel.org/r/20191126165417.22423-12-sean.j.christopherson@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Sean Christopherson
2019-11-26 08:54:16 -08:00
committed by Ingo Molnar
parent cb28909525
commit 8c53b318b2
4 changed files with 11 additions and 4 deletions
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2
arch/ia64/kernel/acpi.c
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@@ -42,8 +42,6 @@ int acpi_lapic;
unsigned int acpi_cpei_override;
unsigned int acpi_cpei_phys_cpuid;
unsigned long acpi_wakeup_address = 0;
#define ACPI_MAX_PLATFORM_INTERRUPTS 256
/* Array to record platform interrupt vectors for generic interrupt routing. */