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iwlwifi: mvm: re-enable ps when monitor interfaces are removed

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If a monitor interface is added and then removed, we don't reset the
mvm->ps_disabled flag, so we never re-enable power saving.  Fix that
and rearrange the code a bit.

Additionally, fix a small indentation mistake in the
iwl_mvm_power_set_pm() function declaration.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Luciano Coelho 2014-08-08 17:12:07 +03:00 committed by Emmanuel Grumbach
parent 228670b2e6
commit b1873300e1
2 changed files with 17 additions and 14 deletions
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1
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -776,6 +776,7 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
iwl_trans_stop_device(mvm->trans);
mvm->scan_status = IWL_MVM_SCAN_NONE;
mvm->ps_disabled = false;
/* just in case one was running */
ieee80211_remain_on_channel_expired(mvm->hw);

30
drivers/net/wireless/iwlwifi/mvm/power.c
View File

@ -566,9 +566,8 @@ static void iwl_mvm_power_iterator(void *_data, u8 *mac,
}
}
static void
iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
struct iwl_power_vifs *vifs)
static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
struct iwl_power_vifs *vifs)
{
struct iwl_mvm_vif *bss_mvmvif = NULL;
struct iwl_mvm_vif *p2p_mvmvif = NULL;
@ -830,7 +829,7 @@ int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
struct iwl_power_vifs vifs = {
.mvm = mvm,
};
bool ba_enable;
bool ba_enable, disable_ps;
int ret;
lockdep_assert_held(&mvm->mutex);
@ -838,16 +837,19 @@ int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
iwl_mvm_power_set_pm(mvm, &vifs);
/* disable PS if CAM */
if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) {
mvm->ps_disabled = true;
} else {
/* don't update device power state unless we add / remove monitor */
if (vifs.monitor_vif) {
if (vifs.monitor_active)
mvm->ps_disabled = true;
ret = iwl_mvm_power_update_device(mvm);
if (ret)
return ret;
disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
/* ...or if there is an active monitor vif */
disable_ps |= (vifs.monitor_vif && vifs.monitor_active);
/* update device power state if it has changed */
if (mvm->ps_disabled != disable_ps) {
bool old_ps_disabled = mvm->ps_disabled;
mvm->ps_disabled = disable_ps;
ret = iwl_mvm_power_update_device(mvm);
if (ret) {
mvm->ps_disabled = old_ps_disabled;
return ret;
}
}