From 69a10b29eb87cf186cac20921b4884e349b59c97 Mon Sep 17 00:00:00 2001
From: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com>
Date: Sat, 10 Mar 2012 13:00:09 -0800
Subject: [PATCH] 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 <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>
---
drivers/net/wireless/iwlwifi/iwl-agn-rx.c | 2 +-
drivers/net/wireless/iwlwifi/iwl-agn.c | 2 --
drivers/net/wireless/iwlwifi/iwl-core.c | 2 +-
drivers/net/wireless/iwlwifi/iwl-shared.h | 3 ---
drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c | 2 +-
drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c | 4 ++--
drivers/net/wireless/iwlwifi/iwl-trans-pcie.c | 3 +++
drivers/net/wireless/iwlwifi/iwl-trans.h | 3 +++
8 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
index cc0227c1f352..44c6f712b77d 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 5ef15855be2f..66d7446ff07b 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 8b85940731f2..e3eda50a5a67 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 cf34087aa2fe..29d2a85232fc 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 8bec0e1ccb54..8b1a7988e176 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 565c664f6dce..a66ad9b590a4 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 4900dfa59df7..0e8e31a53c7a 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 782cb0ddc962..0c81cbaa8088 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 *));