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[ACPI] merge 3549 4320 4485 4588 4980 5483 5651 acpica asus fops pnpacpi branches into release

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Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown
2006-01-24 17:52:48 -05:00
parent 3ee68c4af3 876c184b31 729b4d4ce1 cf82478840 dacd9b8035 63c94b68ec 35f652b5ef 1a38416cea 4a90c7e862 aea19aa078 757b18661e c4bb6f5ad9
commit 9fdb62af92
198 changed files with 8035 additions and 8372 deletions
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71
arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
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@@ -295,68 +295,6 @@ acpi_cpufreq_guess_freq (
}
/*
* acpi_processor_cpu_init_pdc_est - let BIOS know about the SMP capabilities
* of this driver
* @perf: processor-specific acpi_io_data struct
* @cpu: CPU being initialized
*
* To avoid issues with legacy OSes, some BIOSes require to be informed of
* the SMP capabilities of OS P-state driver. Here we set the bits in _PDC
* accordingly, for Enhanced Speedstep. Actual call to _PDC is done in
* driver/acpi/processor.c
*/
static void
acpi_processor_cpu_init_pdc_est(
struct acpi_processor_performance *perf,
unsigned int cpu,
struct acpi_object_list *obj_list
)
{
union acpi_object *obj;
u32 *buf;
struct cpuinfo_x86 *c = cpu_data + cpu;
dprintk("acpi_processor_cpu_init_pdc_est\n");
if (!cpu_has(c, X86_FEATURE_EST))
return;
/* Initialize pdc. It will be used later. */
if (!obj_list)
return;
if (!(obj_list->count && obj_list->pointer))
return;
obj = obj_list->pointer;
if ((obj->buffer.length == 12) && obj->buffer.pointer) {
buf = (u32 *)obj->buffer.pointer;
buf[0] = ACPI_PDC_REVISION_ID;
buf[1] = 1;
buf[2] = ACPI_PDC_EST_CAPABILITY_SMP;
perf->pdc = obj_list;
}
return;
}
/* CPU specific PDC initialization */
static void
acpi_processor_cpu_init_pdc(
struct acpi_processor_performance *perf,
unsigned int cpu,
struct acpi_object_list *obj_list
)
{
struct cpuinfo_x86 *c = cpu_data + cpu;
dprintk("acpi_processor_cpu_init_pdc\n");
perf->pdc = NULL;
if (cpu_has(c, X86_FEATURE_EST))
acpi_processor_cpu_init_pdc_est(perf, cpu, obj_list);
return;
}
static int
acpi_cpufreq_cpu_init (
struct cpufreq_policy *policy)
@@ -367,14 +305,7 @@ acpi_cpufreq_cpu_init (
unsigned int result = 0;
struct cpuinfo_x86 *c = &cpu_data[policy->cpu];
union acpi_object arg0 = {ACPI_TYPE_BUFFER};
u32 arg0_buf[3];
struct acpi_object_list arg_list = {1, &arg0};
dprintk("acpi_cpufreq_cpu_init\n");
/* setup arg_list for _PDC settings */
arg0.buffer.length = 12;
arg0.buffer.pointer = (u8 *) arg0_buf;
data = kzalloc(sizeof(struct cpufreq_acpi_io), GFP_KERNEL);
if (!data)
@@ -382,9 +313,7 @@ acpi_cpufreq_cpu_init (
acpi_io_data[cpu] = data;
acpi_processor_cpu_init_pdc(&data->acpi_data, cpu, &arg_list);
result = acpi_processor_register_performance(&data->acpi_data, cpu);
data->acpi_data.pdc = NULL;
if (result)
goto err_free;