ACPI: processor: unify arch_acpi_processor_cleanup_pdc

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>

diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index 2a75e93..e123634 100644 (file)
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -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

diff --git a/arch/ia64/kernel/acpi-processor.c b/arch/ia64/kernel/acpi-processor.c
deleted file mode 100644 (file)
index 7ba5acc..0000000
--- a/arch/ia64/kernel/acpi-processor.c
+++ /dev/null
@@ -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);

diff --git a/arch/x86/kernel/acpi/Makefile b/arch/x86/kernel/acpi/Makefile
index fd5ca97..6f35260 100644 (file)
--- a/arch/x86/kernel/acpi/Makefile
+++ b/arch/x86/kernel/acpi/Makefile
@@ -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

diff --git a/arch/x86/kernel/acpi/processor.c b/arch/x86/kernel/acpi/processor.c
deleted file mode 100644 (file)
index 0f57307..0000000
--- a/arch/x86/kernel/acpi/processor.c
+++ /dev/null
@@ -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);

diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c
index 48df08e..e786e2c 100644 (file)
--- a/drivers/acpi/processor_pdc.c
+++ b/drivers/acpi/processor_pdc.c
@@ -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);
 

diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 50edd73..0873cd5 100644 (file)
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -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);