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iwlwifi: pcie: re-enable interrupts on resume 

On resume, all the interrupts are masked (CSR_INT_MASK is 0),
and ict is disabled.

Re-configure them both.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Eliad Peller 2015-05-28 16:50:12 +03:00 committed by Emmanuel Grumbach
parent 15286e26d2
commit 54154618b5
3 changed files with 18 additions and 4 deletions
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2
drivers/net/wireless/iwlwifi/iwl-trans.h
View File

@ -641,6 +641,8 @@ struct iwl_trans {
enum iwl_d0i3_mode d0i3_mode;
bool wowlan_d0i3;
/* pointer to trans specific struct */
/*Ensure that this pointer will always be aligned to sizeof pointer */
char trans_specific[0] __aligned(sizeof(void *));

3
drivers/net/wireless/iwlwifi/mvm/d3.c
View File

@ -1170,7 +1170,8 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
iwl_trans_suspend(mvm->trans);
if (wowlan->any) {
mvm->trans->wowlan_d0i3 = wowlan->any;
if (mvm->trans->wowlan_d0i3) {
/* 'any' trigger means d0i3 usage */
if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) {
int ret = iwl_mvm_enter_d0i3_sync(mvm);

15
drivers/net/wireless/iwlwifi/pcie/drv.c
View File

@ -6,7 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@ -32,7 +32,7 @@
* BSD LICENSE
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -629,7 +629,18 @@ static int iwl_pci_resume(struct device *device)
if (!trans->op_mode)
return 0;
/*
* On suspend, ict is disabled, and the interrupt mask
* gets cleared. Reconfigure them both in case of d0i3
* image. Otherwise, only enable rfkill interrupt (in
* order to keep track of the rfkill status)
*/
if (trans->wowlan_d0i3) {
iwl_pcie_reset_ict(trans);
iwl_enable_interrupts(trans);
} else {
iwl_enable_rfkill_int(trans);
}
hw_rfkill = iwl_is_rfkill_set(trans);
iwl_trans_pcie_rf_kill(trans, hw_rfkill);