diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/tx.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index e1f7a3febb50..d6beac9af029 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -32,6 +32,7 @@ #include <linux/ieee80211.h> #include <linux/slab.h> #include <linux/sched.h> +#include <linux/pm_runtime.h> #include <net/ip6_checksum.h> #include <net/tso.h> @@ -605,7 +606,7 @@ static void iwl_pcie_clear_cmd_in_flight(struct iwl_trans *trans) if (trans_pcie->ref_cmd_in_flight) { trans_pcie->ref_cmd_in_flight = false; IWL_DEBUG_RPM(trans, "clear ref_cmd_in_flight - unref\n"); - iwl_trans_pcie_unref(trans); + iwl_trans_unref(trans); } if (!trans->cfg->base_params->apmg_wake_up_wa) @@ -650,7 +651,7 @@ static void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id) if (txq_id != trans_pcie->cmd_queue) { IWL_DEBUG_RPM(trans, "Q %d - last tx freed\n", q->id); - iwl_trans_pcie_unref(trans); + iwl_trans_unref(trans); } else { iwl_pcie_clear_cmd_in_flight(trans); } @@ -1134,7 +1135,7 @@ void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn, if (q->read_ptr == q->write_ptr) { IWL_DEBUG_RPM(trans, "Q %d - last tx reclaimed\n", q->id); - iwl_trans_pcie_unref(trans); + iwl_trans_unref(trans); } out: @@ -1153,7 +1154,7 @@ static int iwl_pcie_set_cmd_in_flight(struct iwl_trans *trans, !trans_pcie->ref_cmd_in_flight) { trans_pcie->ref_cmd_in_flight = true; IWL_DEBUG_RPM(trans, "set ref_cmd_in_flight - ref\n"); - iwl_trans_pcie_ref(trans); + iwl_trans_ref(trans); } /* @@ -1799,6 +1800,16 @@ static int iwl_pcie_send_hcmd_sync(struct iwl_trans *trans, IWL_DEBUG_INFO(trans, "Setting HCMD_ACTIVE for command %s\n", iwl_get_cmd_string(trans, cmd->id)); + if (pm_runtime_suspended(&trans_pcie->pci_dev->dev)) { + ret = wait_event_timeout(trans_pcie->d0i3_waitq, + pm_runtime_active(&trans_pcie->pci_dev->dev), + msecs_to_jiffies(IWL_TRANS_IDLE_TIMEOUT)); + if (!ret) { + IWL_ERR(trans, "Timeout exiting D0i3 before hcmd\n"); + return -ETIMEDOUT; + } + } + cmd_idx = iwl_pcie_enqueue_hcmd(trans, cmd); if (cmd_idx < 0) { ret = cmd_idx; @@ -2362,7 +2373,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, txq->frozen_expiry_remainder = txq->wd_timeout; } IWL_DEBUG_RPM(trans, "Q: %d first tx - take ref\n", q->id); - iwl_trans_pcie_ref(trans); + iwl_trans_ref(trans); } /* Tell device the write index *just past* this latest filled TFD */ |