From: Meenakshi Venkataraman Date: Sat, 10 Mar 2012 21:00:09 +0000 (-0800) Subject: iwlwifi: move wait_command_queue from shared to trans X-Git-Tag: v3.4-rc1~177^2~48^2~68 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=69a10b29eb87cf186cac20921b4884e349b59c97;p=platform%2Fkernel%2Flinux-exynos.git iwlwifi: move wait_command_queue from shared to trans This wait queue really belongs to the transport layer, as it is used for sending synchronous commands to the HW. However, only op_mode knows about errors and exceptional conditions, so make this queue accessible by the op_mode. Signed-off-by: Meenakshi Venkataraman Signed-off-by: Wey-Yi Guy Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c index cc0227c..44c6f71 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c @@ -671,7 +671,7 @@ static int iwlagn_rx_card_state_notif(struct iwl_priv *priv, wiphy_rfkill_set_hw_state(priv->hw->wiphy, test_bit(STATUS_RF_KILL_HW, &priv->status)); else - wake_up(&priv->shrd->wait_command_queue); + wake_up(&trans(priv)->wait_command_queue); return 0; } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 5ef1585..66d7446 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -962,8 +962,6 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) { priv->workqueue = create_singlethread_workqueue(DRV_NAME); - init_waitqueue_head(&priv->shrd->wait_command_queue); - INIT_WORK(&priv->restart, iwl_bg_restart); INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work); diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 8b85940..e3eda50 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -850,7 +850,7 @@ static void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand) * commands by clearing the ready bit */ clear_bit(STATUS_READY, &priv->status); - wake_up(&priv->shrd->wait_command_queue); + wake_up(&trans(priv)->wait_command_queue); if (!ondemand) { /* diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h index cf34087..29d2a85 100644 --- a/drivers/net/wireless/iwlwifi/iwl-shared.h +++ b/drivers/net/wireless/iwlwifi/iwl-shared.h @@ -376,7 +376,6 @@ struct iwl_cfg { * @nic: pointer to the nic data * @hw_params: see struct iwl_hw_params * @lock: protect general shared data - * @wait_command_queue: the wait_queue for SYNC host commands * @eeprom: pointer to the eeprom/OTP image * @ucode_type: indicator of loaded ucode image * @device_pointers: pointers to ucode event tables @@ -391,8 +390,6 @@ struct iwl_shared { struct iwl_hw_params hw_params; const struct iwl_fw *fw; - wait_queue_head_t wait_command_queue; - /* eeprom -- this is in the card's little endian byte order */ u8 *eeprom; diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c index 8bec0e1..8b1a798 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c @@ -684,7 +684,7 @@ static void iwl_irq_handle_error(struct iwl_trans *trans) */ clear_bit(STATUS_READY, &trans->shrd->status); clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); - wake_up(&trans->shrd->wait_command_queue); + wake_up(&trans->wait_command_queue); IWL_ERR(trans, "RF is used by WiMAX\n"); return; } diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c index 565c664..a66ad9b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c @@ -928,7 +928,7 @@ void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_cmd_buffer *rxb, clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); IWL_DEBUG_INFO(trans, "Clearing HCMD_ACTIVE for command %s\n", get_cmd_string(cmd->hdr.cmd)); - wake_up(&trans->shrd->wait_command_queue); + wake_up(&trans->wait_command_queue); } meta->flags = 0; @@ -992,7 +992,7 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd) return ret; } - ret = wait_event_timeout(trans->shrd->wait_command_queue, + ret = wait_event_timeout(trans->wait_command_queue, !test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status), HOST_COMPLETE_TIMEOUT); if (!ret) { diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c index 4900dfa..0e8e31a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c @@ -2327,6 +2327,9 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd, pci_write_config_word(pdev, PCI_COMMAND, pci_cmd); } + /* Initialize the wait queue for commands */ + init_waitqueue_head(&trans->wait_command_queue); + return trans; out_pci_release_regions: diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 782cb0d..0c81cba 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -413,6 +413,7 @@ enum iwl_trans_state { * @hw_id_str: a string with info about HW ID. Set during transport allocation. * @nvm_device_type: indicates OTP or eeprom * @pm_support: set to true in start_hw if link pm is supported + * @wait_command_queue: the wait_queue for SYNC host commands */ struct iwl_trans { const struct iwl_trans_ops *ops; @@ -429,6 +430,8 @@ struct iwl_trans { int nvm_device_type; bool pm_support; + wait_queue_head_t wait_command_queue; + /* pointer to trans specific struct */ /*Ensure that this pointer will always be aligned to sizeof pointer */ char trans_specific[0] __aligned(sizeof(void *));