forked from luck/tmp_suning_uos_patched
08ea48a326
Both x86 and ia64 initialize _PDC with mostly common bit settings. Factor out the common settings and leave the arch-specific ones alone. 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>
46 lines
941 B
C
46 lines
941 B
C
/*
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* arch/ia64/kernel/acpi-processor.c
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*
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* Copyright (C) 2005 Intel Corporation
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* Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
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* - Added _PDC for platforms with Intel CPUs
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/acpi.h>
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#include <acpi/processor.h>
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#include <asm/acpi.h>
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static void init_intel_pdc(struct acpi_processor *pr)
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{
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u32 *buf = (u32 *)pr->pdc->pointer->buffer.pointer;
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buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP;
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return;
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}
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/* Initialize _PDC data based on the CPU vendor */
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void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
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{
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init_intel_pdc(pr);
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return;
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}
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EXPORT_SYMBOL(arch_acpi_processor_init_pdc);
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void arch_acpi_processor_cleanup_pdc(struct acpi_processor *pr)
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{
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if (pr->pdc) {
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kfree(pr->pdc->pointer->buffer.pointer);
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kfree(pr->pdc->pointer);
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kfree(pr->pdc);
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pr->pdc = NULL;
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}
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}
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EXPORT_SYMBOL(arch_acpi_processor_cleanup_pdc);
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