Re: [PATCH v7 1/6] cpufreq: acpi: move MSR_K7_HWCR_CPB_DIS_BIT into msr-index.h

From: Huang Rui
Date: Tue Apr 23 2024 - 06:41:21 EST


On Tue, Apr 23, 2024 at 04:40:54PM +0800, Yuan, Perry wrote:
> There are some other drivers also need to use the
> MSR_K7_HWCR_CPB_DIS_BIT for CPB control bit, so it makes sense to move
> the definition to a common header file to allow other driver to use it.
>
> No intentional functional impact.
>
> Suggested-by: Gautham Ranjal Shenoy <gautham.shenoy@xxxxxxx>
> Signed-off-by: Perry Yuan <perry.yuan@xxxxxxx>
> Acked-by: Rafael J. Wysocki <rafael@xxxxxxxxxx>

Acked-by: Huang Rui <ray.huang@xxxxxxx>

> ---
> arch/x86/include/asm/msr-index.h | 2 ++
> drivers/cpufreq/acpi-cpufreq.c | 2 --
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
> index e72c2b872957..8738a7b3917d 100644
> --- a/arch/x86/include/asm/msr-index.h
> +++ b/arch/x86/include/asm/msr-index.h
> @@ -782,6 +782,8 @@
> #define MSR_K7_HWCR_IRPERF_EN BIT_ULL(MSR_K7_HWCR_IRPERF_EN_BIT)
> #define MSR_K7_FID_VID_CTL 0xc0010041
> #define MSR_K7_FID_VID_STATUS 0xc0010042
> +#define MSR_K7_HWCR_CPB_DIS_BIT 25
> +#define MSR_K7_HWCR_CPB_DIS BIT_ULL(MSR_K7_HWCR_CPB_DIS_BIT)
>
> /* K6 MSRs */
> #define MSR_K6_WHCR 0xc0000082
> diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
> index 37f1cdf46d29..2fc82831bddd 100644
> --- a/drivers/cpufreq/acpi-cpufreq.c
> +++ b/drivers/cpufreq/acpi-cpufreq.c
> @@ -50,8 +50,6 @@ enum {
> #define AMD_MSR_RANGE (0x7)
> #define HYGON_MSR_RANGE (0x7)
>
> -#define MSR_K7_HWCR_CPB_DIS (1ULL << 25)
> -
> struct acpi_cpufreq_data {
> unsigned int resume;
> unsigned int cpu_feature;
> --
> 2.34.1
>