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power: reset function pointers on unset environment

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Set all power environment related function pointers to NULL
when unset is being made.

Signed-off-by: Marcin Hajkowski <marcinx.hajkowski@intel.com>
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
This commit is contained in:
Marcin Hajkowski 2019-04-05 18:22:04 +02:00 committed by Thomas Monjalon
parent 5a5f3178d4
commit dae173f892
1 changed files with 20 additions and 1 deletions

21
lib/librte_power/rte_power.c

@ -27,6 +27,22 @@ rte_power_freq_change_t rte_power_freq_enable_turbo;
rte_power_freq_change_t rte_power_freq_disable_turbo;
rte_power_get_capabilities_t rte_power_get_capabilities;
static void
reset_power_function_ptrs(void)
{
rte_power_freqs = NULL;
rte_power_get_freq = NULL;
rte_power_set_freq = NULL;
rte_power_freq_up = NULL;
rte_power_freq_down = NULL;
rte_power_freq_max = NULL;
rte_power_freq_min = NULL;
rte_power_turbo_status = NULL;
rte_power_freq_enable_turbo = NULL;
rte_power_freq_disable_turbo = NULL;
rte_power_get_capabilities = NULL;
}
int
rte_power_set_env(enum power_management_env env)
{
@ -85,8 +101,10 @@ rte_power_set_env(enum power_management_env env)
if (ret == 0)
global_default_env = env;
else
else {
global_default_env = PM_ENV_NOT_SET;
reset_power_function_ptrs();
}
rte_spinlock_unlock(&global_env_cfg_lock);
return ret;
@ -97,6 +115,7 @@ rte_power_unset_env(void)
{
rte_spinlock_lock(&global_env_cfg_lock);
global_default_env = PM_ENV_NOT_SET;
reset_power_function_ptrs();
rte_spinlock_unlock(&global_env_cfg_lock);
}