diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/d3.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/drv.c | 13 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/trans.c | 36 |
3 files changed, 34 insertions, 21 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c index 68d721823645..a85be4e9adcd 100644 --- a/drivers/net/wireless/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/iwlwifi/mvm/d3.c @@ -1187,6 +1187,9 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) mutex_lock(&mvm->d0i3_suspend_mutex); __set_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); mutex_unlock(&mvm->d0i3_suspend_mutex); + + iwl_trans_d3_suspend(mvm->trans, false); + return 0; } @@ -1949,6 +1952,9 @@ static int iwl_mvm_resume_d3(struct iwl_mvm *mvm) static int iwl_mvm_resume_d0i3(struct iwl_mvm *mvm) { bool exit_now; + enum iwl_d3_status d3_status; + + iwl_trans_d3_resume(mvm->trans, &d3_status, false); /* * make sure to clear D0I3_DEFER_WAKEUP before diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index dbd2a03a0f6d..cdf3a0c33902 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -631,17 +631,10 @@ static int iwl_pci_resume(struct device *device) 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) + * 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); - } + iwl_enable_rfkill_int(trans); hw_rfkill = iwl_is_rfkill_set(trans); diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 46e900e860e8..cbc29ccc6a00 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -1189,6 +1189,12 @@ static void iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + if (trans->wowlan_d0i3) { + /* Enable persistence mode to avoid reset */ + iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_PERSIST_MODE); + } + iwl_disable_interrupts(trans); /* @@ -1207,12 +1213,14 @@ static void iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test) iwl_clear_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); - /* - * reset TX queues -- some of their registers reset during S3 - * so if we don't reset everything here the D3 image would try - * to execute some invalid memory upon resume - */ - iwl_trans_pcie_tx_reset(trans); + if (!trans->wowlan_d0i3) { + /* + * reset TX queues -- some of their registers reset during S3 + * so if we don't reset everything here the D3 image would try + * to execute some invalid memory upon resume + */ + iwl_trans_pcie_tx_reset(trans); + } iwl_pcie_set_pwr(trans, true); } @@ -1254,12 +1262,18 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, iwl_pcie_set_pwr(trans, false); - iwl_trans_pcie_tx_reset(trans); + if (trans->wowlan_d0i3) { + iwl_clear_bit(trans, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + } else { + iwl_trans_pcie_tx_reset(trans); - ret = iwl_pcie_rx_init(trans); - if (ret) { - IWL_ERR(trans, "Failed to resume the device (RX reset)\n"); - return ret; + ret = iwl_pcie_rx_init(trans); + if (ret) { + IWL_ERR(trans, + "Failed to resume the device (RX reset)\n"); + return ret; + } } val = iwl_read32(trans, CSR_RESET); |