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iwlwifi: kill iwl_down and s/__iwl_down/iwl_down

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iwl_down was just a wrapper around __iwl_down which was called from
one place only. Replace it to direct call to iwl_down. Add lockdep
warning in iwl_down to ensure it was called with the mutex held.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This commit is contained in:
Emmanuel Grumbach 2012-02-17 10:34:53 -08:00 committed by Wey-Yi Guy
parent 655ccceb59
commit 78e5a46432
3 changed files with 11 additions and 16 deletions
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19
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -738,14 +738,14 @@ int iwl_alive_start(struct iwl_priv *priv)
return iwl_power_update_mode(priv, true);
}
static void iwl_cancel_deferred_work(struct iwl_priv *priv);
void __iwl_down(struct iwl_priv *priv)
void iwl_down(struct iwl_priv *priv)
{
int exit_pending;
IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n");
lockdep_assert_held(&priv->shrd->mutex);
iwl_scan_cancel_timeout(priv, 200);
/*
@ -803,15 +803,6 @@ void __iwl_down(struct iwl_priv *priv)
priv->beacon_skb = NULL;
}
void iwl_down(struct iwl_priv *priv)
{
mutex_lock(&priv->shrd->mutex);
__iwl_down(priv);
mutex_unlock(&priv->shrd->mutex);
iwl_cancel_deferred_work(priv);
}
/*****************************************************************************
*
* Workqueue callbacks
@ -869,7 +860,7 @@ void iwlagn_prepare_restart(struct iwl_priv *priv)
bt_status = priv->bt_status;
bt_is_sco = priv->bt_is_sco;
__iwl_down(priv);
iwl_down(priv);
priv->bt_full_concurrent = bt_full_concurrent;
priv->bt_ci_compliance = bt_ci_compliance;
@ -970,7 +961,7 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv)
priv->watchdog.function = iwl_bg_watchdog;
}
static void iwl_cancel_deferred_work(struct iwl_priv *priv)
void iwl_cancel_deferred_work(struct iwl_priv *priv)
{
if (cfg(priv)->lib->cancel_deferred_work)
cfg(priv)->lib->cancel_deferred_work(priv);

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

@ -81,8 +81,8 @@ static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
hdr->data_valid = 1;
}
void __iwl_down(struct iwl_priv *priv);
void iwl_down(struct iwl_priv *priv);
void iwl_cancel_deferred_work(struct iwl_priv *priv);
void iwlagn_prepare_restart(struct iwl_priv *priv);
/* MAC80211 */

6
drivers/net/wireless/iwlwifi/iwl-mac80211.c
View File

@ -296,7 +296,7 @@ static int __iwl_up(struct iwl_priv *priv)
error:
set_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
__iwl_down(priv);
iwl_down(priv);
clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
IWL_ERR(priv, "Unable to initialize device.\n");
@ -341,7 +341,11 @@ static void iwlagn_mac_stop(struct ieee80211_hw *hw)
priv->is_open = 0;
mutex_lock(&priv->shrd->mutex);
iwl_down(priv);
mutex_unlock(&priv->shrd->mutex);
iwl_cancel_deferred_work(priv);
flush_workqueue(priv->workqueue);