lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

iwlwifi: mvm: refactor iwl_mvm_power_set_pm() to spin the ps part off

Browse Source 
Separate the ps part of iwl_mvm_power_set_pm() into a new
iwl_mvm_power_set_ps() function.  This will enable us to update the ps
part independently from the rest, which is needed by CSA (at least).

This required a bit of refactoring and the creation of a new iterator
function.

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 18:36:22 +03:00 committed by Emmanuel Grumbach
parent b1873300e1
commit 128aa948d0
1 changed files with 43 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
drivers/net/wireless/iwlwifi/mvm/power.c
View File

@ -504,13 +504,20 @@ struct iwl_power_vifs {
bool p2p_tdls;
};
static void iwl_mvm_power_iterator(void *_data, u8 *mac,
static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
struct ieee80211_vif *vif)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
mvmvif->pm_enabled = false;
}
static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
struct ieee80211_vif *vif)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_power_vifs *power_iterator = _data;
mvmvif->pm_enabled = false;
switch (ieee80211_vif_type_p2p(vif)) {
case NL80211_IFTYPE_P2P_DEVICE:
break;
@ -577,10 +584,11 @@ static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
lockdep_assert_held(&mvm->mutex);
/* get vifs info + set pm_enable to false */
/* set pm_enable to false */
ieee80211_iterate_active_interfaces_atomic(mvm->hw,
IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_power_iterator, vifs);
iwl_mvm_power_disable_pm_iterator,
NULL);
if (vifs->bss_vif)
bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
@ -823,23 +831,16 @@ int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
return ret;
}
int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm,
struct iwl_power_vifs *vifs)
{
struct iwl_mvm_vif *mvmvif;
struct iwl_power_vifs vifs = {
.mvm = mvm,
};
bool ba_enable, disable_ps;
bool disable_ps;
int ret;
lockdep_assert_held(&mvm->mutex);
iwl_mvm_power_set_pm(mvm, &vifs);
/* disable PS if CAM */
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);
disable_ps |= (vifs->monitor_vif && vifs->monitor_active);
/* update device power state if it has changed */
if (mvm->ps_disabled != disable_ps) {
@ -853,6 +854,31 @@ int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
}
}
return 0;
}
int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
{
struct iwl_mvm_vif *mvmvif;
struct iwl_power_vifs vifs = {
.mvm = mvm,
};
bool ba_enable;
int ret;
lockdep_assert_held(&mvm->mutex);
/* get vifs info */
ieee80211_iterate_active_interfaces_atomic(mvm->hw,
IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_power_get_vifs_iterator, &vifs);
iwl_mvm_power_set_pm(mvm, &vifs);
ret = iwl_mvm_power_set_ps(mvm, &vifs);
if (ret)
return ret;
if (vifs.bss_vif) {
ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
if (ret)