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iwlwifi: move wait_command_queue from shared to trans

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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 <meenakshi.venkataraman@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Meenakshi Venkataraman 2012-03-10 13:00:09 -08:00 committed by John W. Linville
parent f0d120af8f
commit 69a10b29eb
8 changed files with 11 additions and 10 deletions
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2
drivers/net/wireless/iwlwifi/iwl-agn-rx.c
View File

@ -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;
}

2
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -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);

2
drivers/net/wireless/iwlwifi/iwl-core.c
View File

@ -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) {
/*

3
drivers/net/wireless/iwlwifi/iwl-shared.h
View File

@ -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;

2
drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
View File

@ -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;
}

4
drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
View File

@ -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) {

3
drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
View File

@ -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:

3
drivers/net/wireless/iwlwifi/iwl-trans.h
View File

@ -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 *));