diff options
| author | K Prateek Nayak <kprateek.nayak@amd.com> | 2026-07-27 07:20:54 +0000 |
|---|---|---|
| committer | Mario Limonciello <superm1@kernel.org> | 2026-07-27 19:46:51 -0500 |
| commit | 047e65218dcd571f24e37ae13a095b0c21164858 (patch) | |
| tree | f72c956ce7818cd6d99bc94f339483b4cbe4a21d | |
| parent | d3a019bd0878d426cf3bd2161555fd8e62850237 (diff) | |
| download | linux-next-047e65218dcd571f24e37ae13a095b0c21164858.tar.gz linux-next-047e65218dcd571f24e37ae13a095b0c21164858.zip | |
cpufreq/amd-pstate: Reduce the scope of exported symbols
Symbols exported by amd-pstate.c are ever only needed for amd-pstate-ut.
Introduce EXPORT_SYMBOL_FOR_PSTATE_UT() to export these symbols
selectively to "amd-pstate-ut" namespace as opposed to all GPL modules.
No functional changes intended.
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: K Prateek Nayak <kprateek.nayak@amd.com>
Link: https://lore.kernel.org/r/20260727072056.1248-8-kprateek.nayak@amd.com
Signed-off-by: Mario Limonciello <superm1@kernel.org>
| -rw-r--r-- | drivers/cpufreq/amd-pstate.c | 14 | ||||
| -rw-r--r-- | drivers/cpufreq/amd-pstate.h | 7 |
2 files changed, 14 insertions, 7 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index a380c665461f..93d275da12c6 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -75,7 +75,7 @@ const char *amd_pstate_get_mode_string(enum amd_pstate_mode mode) mode = AMD_PSTATE_UNDEFINED; return amd_pstate_mode_string[mode]; } -EXPORT_SYMBOL_GPL(amd_pstate_get_mode_string); +EXPORT_SYMBOL_FOR_PSTATE_UT(amd_pstate_get_mode_string); struct quirk_entry { u32 nominal_freq; @@ -1272,7 +1272,7 @@ void amd_pstate_clear_dynamic_epp(struct cpufreq_policy *policy) kfree(cpudata->profile_name); cpudata->dynamic_epp = false; } -EXPORT_SYMBOL_GPL(amd_pstate_clear_dynamic_epp); +EXPORT_SYMBOL_FOR_PSTATE_UT(amd_pstate_clear_dynamic_epp); static int amd_pstate_set_dynamic_epp(struct cpufreq_policy *policy) { @@ -1469,7 +1469,7 @@ ssize_t store_energy_performance_preference(struct cpufreq_policy *policy, return count; } -EXPORT_SYMBOL_GPL(store_energy_performance_preference); +EXPORT_SYMBOL_FOR_PSTATE_UT(store_energy_performance_preference); ssize_t show_energy_performance_preference(struct cpufreq_policy *policy, char *buf) { @@ -1503,7 +1503,7 @@ ssize_t show_energy_performance_preference(struct cpufreq_policy *policy, char * return sysfs_emit(buf, "%s\n", energy_perf_strings[preference]); } -EXPORT_SYMBOL_GPL(show_energy_performance_preference); +EXPORT_SYMBOL_FOR_PSTATE_UT(show_energy_performance_preference); static ssize_t store_amd_pstate_floor_freq(struct cpufreq_policy *policy, const char *buf, size_t count) @@ -1603,7 +1603,7 @@ struct freq_attr **amd_pstate_get_current_attrs(void) return NULL; return current_pstate_driver->attr; } -EXPORT_SYMBOL_GPL(amd_pstate_get_current_attrs); +EXPORT_SYMBOL_FOR_PSTATE_UT(amd_pstate_get_current_attrs); static struct freq_attr **get_freq_attrs(void) { @@ -1788,7 +1788,7 @@ int amd_pstate_get_status(void) { return cppc_state; } -EXPORT_SYMBOL_GPL(amd_pstate_get_status); +EXPORT_SYMBOL_FOR_PSTATE_UT(amd_pstate_get_status); int amd_pstate_update_status(const char *buf, size_t size) { @@ -1808,7 +1808,7 @@ int amd_pstate_update_status(const char *buf, size_t size) return 0; } -EXPORT_SYMBOL_GPL(amd_pstate_update_status); +EXPORT_SYMBOL_FOR_PSTATE_UT(amd_pstate_update_status); static ssize_t status_show(struct device *dev, struct device_attribute *attr, char *buf) diff --git a/drivers/cpufreq/amd-pstate.h b/drivers/cpufreq/amd-pstate.h index 23e8baa05849..edd697a5e29f 100644 --- a/drivers/cpufreq/amd-pstate.h +++ b/drivers/cpufreq/amd-pstate.h @@ -11,6 +11,13 @@ #include <linux/pm_qos.h> #include <linux/platform_profile.h> +#if IS_MODULE(CONFIG_X86_AMD_PSTATE_UT) +#define EXPORT_SYMBOL_FOR_PSTATE_UT(symbol) \ + EXPORT_SYMBOL_FOR_MODULES(symbol, "amd-pstate-ut") +#else +#define EXPORT_SYMBOL_FOR_PSTATE_UT(symbol) +#endif + /********************************************************************* * AMD P-state INTERFACE * *********************************************************************/ |