diff options
| author | Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> | 2005-12-01 18:16:00 -0500 | 
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2005-12-05 17:24:45 -0500 | 
| commit | c82e6abfb3182c84d0204b178363086b09881a4a (patch) | |
| tree | 98350198b1b963a5c182348982cadf90d8696025 /arch/ia64/kernel/acpi-processor.c | |
| parent | 05131ecc99ea9da7f45ba3058fe8a2c1d0ceeab8 (diff) | |
[ACPI] IA64 ZX1 buildfix for _PDC patch
http://bugzilla.kernel.org/show_bug.cgi?id=5483
ZX1 config doesn't include cpufreq, so move move acpi-processor.c
up out of ia64/cpufreq directory.
no functional changes
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/ia64/kernel/acpi-processor.c')
| -rw-r--r-- | arch/ia64/kernel/acpi-processor.c | 67 | 
1 files changed, 67 insertions, 0 deletions
| diff --git a/arch/ia64/kernel/acpi-processor.c b/arch/ia64/kernel/acpi-processor.c new file mode 100644 index 000000000000..e683630c8ce2 --- /dev/null +++ b/arch/ia64/kernel/acpi-processor.c @@ -0,0 +1,67 @@ +/* + * arch/ia64/kernel/cpufreq/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> + +static void init_intel_pdc(struct acpi_processor *pr) +{ +	struct acpi_object_list *obj_list; +	union acpi_object *obj; +	u32 *buf; + +	/* allocate and initialize pdc. It will be used later. */ +	obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL); +	if (!obj_list) { +		printk(KERN_ERR "Memory allocation error\n"); +		return; +	} + +	obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL); +	if (!obj) { +		printk(KERN_ERR "Memory allocation error\n"); +		kfree(obj_list); +		return; +	} + +	buf = kmalloc(12, GFP_KERNEL); +	if (!buf) { +		printk(KERN_ERR "Memory allocation error\n"); +		kfree(obj); +		kfree(obj_list); +		return; +	} + +	buf[0] = ACPI_PDC_REVISION_ID; +	buf[1] = 1; +	buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP; + +	obj->type = ACPI_TYPE_BUFFER; +	obj->buffer.length = 12; +	obj->buffer.pointer = (u8 *) buf; +	obj_list->count = 1; +	obj_list->pointer = obj; +	pr->pdc = obj_list; + +	return; +} + +/* Initialize _PDC data based on the CPU vendor */ +void arch_acpi_processor_init_pdc(struct acpi_processor *pr) +{ +	pr->pdc = NULL; +	init_intel_pdc(pr); +	return; +} + +EXPORT_SYMBOL(arch_acpi_processor_init_pdc); | 
