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iwlwifi: mvm: move deferred d0i3 exit to resume_complete op

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The deferred d0i3 exit is currently implemented in the
resume op, which is called when mac80211 starts its
resume process.

However, mac80211 still doesn't handle frames at this stage,
which results in frames being dropped.

Move the deferred d0i3 handling to the reconfig_complete
callback, in order to make sure mac80211 is fully available
at this point.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Eliad Peller 2014-10-20 18:42:58 +03:00 committed by Emmanuel Grumbach
parent 9b5452fd77
commit 088070a2f6
2 changed files with 21 additions and 11 deletions
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12
drivers/net/wireless/iwlwifi/mvm/d3.c
View File

@ -1659,18 +1659,8 @@ 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);
if (iwl_mvm_is_d0i3_supported(mvm))
return 0;
}
return __iwl_mvm_resume(mvm, false);
}

20
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -941,6 +941,25 @@ static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
mutex_unlock(&mvm->mutex);
}
static void iwl_mvm_resume_complete(struct iwl_mvm *mvm)
{
bool exit_now;
if (!iwl_mvm_is_d0i3_supported(mvm))
return;
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_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n");
_iwl_mvm_exit_d0i3(mvm);
}
}
static void
iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw,
enum ieee80211_reconfig_type reconfig_type)
@ -952,6 +971,7 @@ iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw,
iwl_mvm_restart_complete(mvm);
break;
case IEEE80211_RECONFIG_TYPE_SUSPEND:
iwl_mvm_resume_complete(mvm);
break;
}
}