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ACPI: processor: unify arch_acpi_processor_cleanup_pdc

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The x86 and ia64 implementations of the function in $subject are
exactly the same.

Also, since the arch-specific implementations of setting _PDC have
been completely hollowed out, remove the empty shells.

Cc: Tony Luck <tony.luck@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Alex Chiang 2009-12-20 12:19:34 -07:00 committed by Len Brown
parent 6c5807d7bc
commit 47817254b8
6 changed files with 21 additions and 60 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
arch/ia64/kernel/Makefile
View file

@ -18,10 +18,6 @@ obj-$(CONFIG_IA64_GENERIC) += acpi-ext.o
obj-$(CONFIG_IA64_HP_ZX1) += acpi-ext.o
obj-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += acpi-ext.o
ifneq ($(CONFIG_ACPI_PROCESSOR),)
obj-y += acpi-processor.o
endif
obj-$(CONFIG_IA64_PALINFO) += palinfo.o
obj-$(CONFIG_IOSAPIC) += iosapic.o
obj-$(CONFIG_MODULES) += module.o

27
arch/ia64/kernel/acpi-processor.c
View file

@ -1,27 +0,0 @@
/*
* arch/ia64/kernel/acpi-processor.c
*
* Copyright (C) 2005 Intel Corporation
* Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
* - Added _PDC for platforms with Intel CPUs
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/acpi.h>
#include <acpi/processor.h>
#include <asm/acpi.h>
void arch_acpi_processor_cleanup_pdc(struct acpi_processor *pr)
{
if (pr->pdc) {
kfree(pr->pdc->pointer->buffer.pointer);
kfree(pr->pdc->pointer);
kfree(pr->pdc);
pr->pdc = NULL;
}
}
EXPORT_SYMBOL(arch_acpi_processor_cleanup_pdc);

2
arch/x86/kernel/acpi/Makefile
View file

@ -4,7 +4,7 @@ obj-$(CONFIG_ACPI) += boot.o
obj-$(CONFIG_ACPI_SLEEP) += sleep.o wakeup_rm.o wakeup_$(BITS).o
ifneq ($(CONFIG_ACPI_PROCESSOR),)
obj-y += cstate.o processor.o
obj-y += cstate.o
endif
$(obj)/wakeup_rm.o: $(obj)/realmode/wakeup.bin

25
arch/x86/kernel/acpi/processor.c
View file

@ -1,25 +0,0 @@
/*
* Copyright (C) 2005 Intel Corporation
* Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
* - Added _PDC for platforms with Intel CPUs
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/acpi.h>
#include <acpi/processor.h>
#include <asm/acpi.h>
void arch_acpi_processor_cleanup_pdc(struct acpi_processor *pr)
{
if (pr->pdc) {
kfree(pr->pdc->pointer->buffer.pointer);
kfree(pr->pdc->pointer);
kfree(pr->pdc);
pr->pdc = NULL;
}
}
EXPORT_SYMBOL(arch_acpi_processor_cleanup_pdc);

21
drivers/acpi/processor_pdc.c
View file

@ -1,3 +1,12 @@
/*
* Copyright (C) 2005 Intel Corporation
* Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
*
* Alex Chiang <achiang@hp.com>
* - Unified x86/ia64 implementations
* Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
* - Added _PDC for platforms with Intel CPUs
*/
#include <linux/dmi.h>
#include <acpi/acpi_drivers.h>
@ -121,6 +130,16 @@ static int acpi_processor_eval_pdc(struct acpi_processor *pr)
return status;
}
static void acpi_processor_cleanup_pdc(struct acpi_processor *pr)
{
if (pr->pdc) {
kfree(pr->pdc->pointer->buffer.pointer);
kfree(pr->pdc->pointer);
kfree(pr->pdc);
pr->pdc = NULL;
}
}
void acpi_processor_set_pdc(struct acpi_processor *pr)
{
if (arch_has_acpi_pdc() == false)
@ -128,7 +147,7 @@ void acpi_processor_set_pdc(struct acpi_processor *pr)
acpi_processor_init_pdc(pr);
acpi_processor_eval_pdc(pr);
arch_acpi_processor_cleanup_pdc(pr);
acpi_processor_cleanup_pdc(pr);
}
EXPORT_SYMBOL_GPL(acpi_processor_set_pdc);

2
include/acpi/processor.h
View file

@ -257,8 +257,6 @@ int acpi_processor_notify_smm(struct module *calling_module);
DECLARE_PER_CPU(struct acpi_processor *, processors);
extern struct acpi_processor_errata errata;
void arch_acpi_processor_cleanup_pdc(struct acpi_processor *pr);
#ifdef ARCH_HAS_POWER_INIT
void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
unsigned int cpu);