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iwlwifi: mvm: don't use d3 fw if d0i3 is used

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bail out from the suspend/resume callbacks if
d0i3 is used.

declare support for ANY wowlan trigger (i.e.
normal operation).

On resume, we shouldn't execute the d0i3 exit
flow (which might disconnect stations, etc.)
until mac80211 was resumed.
Add new flags to indicate we are in suspend,
and call the pending exit work on resume.

Since the resume flow can take some time, add
a new EXIT_WORK reference type to prevent going
back to d0i3 at this stage.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Eliad Peller
2014-03-27 18:53:12 +02:00
committed by Emmanuel Grumbach
parent f0d5bb07a3
commit d15a747fc8
5 changed files with 58 additions and 3 deletions
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22
drivers/net/wireless/iwlwifi/mvm/d3.c
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@@ -1074,6 +1074,15 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
if (iwl_mvm_is_d0i3_supported(mvm)) {
mutex_lock(&mvm->d0i3_suspend_mutex);
__set_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags);
mutex_unlock(&mvm->d0i3_suspend_mutex);
return 0;
}
return __iwl_mvm_suspend(hw, wowlan, false);
}
@@ -1646,6 +1655,19 @@ int iwl_mvm_resume(struct ieee80211_hw *hw)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
if (iwl_mvm_is_d0i3_supported(mvm)) {
bool exit_now;
mutex_lock(&mvm->d0i3_suspend_mutex);
__clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags);
exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP,
&mvm->d0i3_suspend_flags);
mutex_unlock(&mvm->d0i3_suspend_mutex);
if (exit_now)
_iwl_mvm_exit_d0i3(mvm);
return 0;
}
return __iwl_mvm_resume(mvm, false);
}