[PATCH 1/3] power: move power state structure to power cpufreq header

Huisong Li lihuisong at huawei.com
Sat May 9 10:45:01 CEST 2026


The "enum power_state" structure is defined by each cpufreq driver.
So move it to power_cpufreq.h to facilitate maintenance.

Signed-off-by: Huisong Li <lihuisong at huawei.com>
---
 drivers/power/acpi/acpi_cpufreq.c                 |  7 -------
 drivers/power/amd_pstate/amd_pstate_cpufreq.c     |  7 -------
 drivers/power/cppc/cppc_cpufreq.c                 |  7 -------
 drivers/power/intel_pstate/intel_pstate_cpufreq.c |  8 --------
 lib/power/power_cpufreq.h                         | 10 ++++++++++
 5 files changed, 10 insertions(+), 29 deletions(-)

diff --git a/drivers/power/acpi/acpi_cpufreq.c b/drivers/power/acpi/acpi_cpufreq.c
index 81a5e3f6ea..21991af36a 100644
--- a/drivers/power/acpi/acpi_cpufreq.c
+++ b/drivers/power/acpi/acpi_cpufreq.c
@@ -31,13 +31,6 @@
 #define IA32_PERF_CTL     0x199
 #define CORE_TURBO_DISABLE_BIT ((uint64_t)1<<32)
 
-enum power_state {
-	POWER_IDLE = 0,
-	POWER_ONGOING,
-	POWER_USED,
-	POWER_UNKNOWN
-};
-
 /**
  * Power info per lcore.
  */
diff --git a/drivers/power/amd_pstate/amd_pstate_cpufreq.c b/drivers/power/amd_pstate/amd_pstate_cpufreq.c
index 95495bff7d..318f8c00e1 100644
--- a/drivers/power/amd_pstate/amd_pstate_cpufreq.c
+++ b/drivers/power/amd_pstate/amd_pstate_cpufreq.c
@@ -35,13 +35,6 @@
 #define POWER_AMD_PSTATE_DRIVER "amd-pstate"
 #define BUS_FREQ     1000	/* khz */
 
-enum power_state {
-	POWER_IDLE = 0,
-	POWER_ONGOING,
-	POWER_USED,
-	POWER_UNKNOWN
-};
-
 /**
  * Power info per lcore.
  */
diff --git a/drivers/power/cppc/cppc_cpufreq.c b/drivers/power/cppc/cppc_cpufreq.c
index 3cd4165c83..e3ba9bb60a 100644
--- a/drivers/power/cppc/cppc_cpufreq.c
+++ b/drivers/power/cppc/cppc_cpufreq.c
@@ -39,13 +39,6 @@
 #define POWER_CPPC_DRIVER "cppc_cpufreq"
 #define BUS_FREQ     100000
 
-enum power_state {
-	POWER_IDLE = 0,
-	POWER_ONGOING,
-	POWER_USED,
-	POWER_UNKNOWN
-};
-
 /**
  * Power info per lcore.
  */
diff --git a/drivers/power/intel_pstate/intel_pstate_cpufreq.c b/drivers/power/intel_pstate/intel_pstate_cpufreq.c
index 8e27570e3c..22a1b4465a 100644
--- a/drivers/power/intel_pstate/intel_pstate_cpufreq.c
+++ b/drivers/power/intel_pstate/intel_pstate_cpufreq.c
@@ -41,14 +41,6 @@
 		"/sys/devices/system/cpu/intel_pstate/turbo_pct"
 #define POWER_PSTATE_DRIVER "intel_pstate"
 
-
-enum power_state {
-	POWER_IDLE = 0,
-	POWER_ONGOING,
-	POWER_USED,
-	POWER_UNKNOWN
-};
-
 struct __rte_cache_aligned pstate_power_info {
 	unsigned int lcore_id;               /**< Logical core id */
 	uint32_t freqs[RTE_MAX_LCORE_FREQS]; /**< Frequency array */
diff --git a/lib/power/power_cpufreq.h b/lib/power/power_cpufreq.h
index fb0b7feb82..41bfaed7bb 100644
--- a/lib/power/power_cpufreq.h
+++ b/lib/power/power_cpufreq.h
@@ -18,6 +18,16 @@
 
 #define RTE_POWER_DRIVER_NAMESZ 24
 
+/**
+ * Power state of cpufreq driver
+ */
+enum power_state {
+	POWER_IDLE = 0,
+	POWER_ONGOING,
+	POWER_USED,
+	POWER_UNKNOWN
+};
+
 /**
  * Initialize power management for a specific lcore. If rte_power_set_env() has
  * not been called then an auto-detect of the environment will start and
-- 
2.33.0



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