[PATCH v3 4/4] cpufreq: ACPI: Use amd_update_hwcr() for MSR_K7_HWCR updates
From: Jim Mattson
Date: Thu Jun 18 2026 - 18:47:14 EST
For consistency and maintainability, update boost_set_msr() to use
the centralized amd_update_hwcr() helper when modifying MSR_K7_HWCR.
Suggested-by: Borislav Petkov <bp@xxxxxxxxx>
Assisted-by: Gemini:gemini-3.5-pro
Signed-off-by: Jim Mattson <jmattson@xxxxxxxxxx>
---
drivers/cpufreq/acpi-cpufreq.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 48d678812fd6..b3e058dd6b4b 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -103,9 +103,7 @@ static int boost_set_msr(bool enable)
break;
case X86_VENDOR_HYGON:
case X86_VENDOR_AMD:
- msr_addr = MSR_K7_HWCR;
- msr_mask = MSR_K7_HWCR_CPB_DIS;
- break;
+ return amd_update_hwcr(MSR_K7_HWCR_CPB_DIS_BIT, !enable);
default:
return -EINVAL;
}
--
2.55.0.rc0.799.gd6f94ed593-goog