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HWMON: Convert coretemp to x86 cpuid autoprobing

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Use the new x86 cpuid autoprobe interface for the Intel coretemp
driver.

Cc: Fenghua Yu <[email protected]>
Cc: Jean Delvare <[email protected]>
Cc: Guenter Roeck <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
Signed-off-by: Thomas Renninger <[email protected]>
Acked-by: H. Peter Anvin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Andi Kleen 2012-01-26 00:09:10 +01:00 • committed by Greg Kroah-Hartman
commit 9b38096fde
1 changed files with 14 additions and 3 deletions
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17
drivers/hwmon/coretemp.c
View file

@ -39,6 +39,7 @@
#include <linux/moduleparam.h>
#include <asm/msr.h>
#include <asm/processor.h>
#include <asm/cpu_device_id.h>
#define DRVNAME "coretemp"
@ -759,13 +760,23 @@ static struct notifier_block coretemp_cpu_notifier __refdata = {
.notifier_call = coretemp_cpu_callback,
};
static const struct x86_cpu_id coretemp_ids[] = {
{ X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_DTS },
{}
};
MODULE_DEVICE_TABLE(x86cpu, coretemp_ids);
static int __init coretemp_init(void)
{
int i, err = -ENODEV;
/* quick check if we run Intel */
if (cpu_data(0).x86_vendor != X86_VENDOR_INTEL)
goto exit;
/*
* CPUID.06H.EAX[0] indicates whether the CPU has thermal
* sensors. We check this bit only, all the early CPUs
* without thermal sensors will be filtered out.
*/
if (!x86_match_cpu(coretemp_ids))
return -ENODEV;
err = platform_driver_register(&coretemp_driver);
if (err)