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iwlwifi: stop_hw replace enable_rfkill_int

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This trans_ops->stop_hw leaves the RFKILL interrupt enabled,
we can call that one instead of enable_rfkill_int. By that,
we reduce the numbers of acceesses to the NIC from the upper
layers.

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 2012-01-09 16:35:08 +02:00 committed by Wey-Yi Guy
parent 08079a4919
commit 1df06bdc6f
4 changed files with 10 additions and 11 deletions
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6
drivers/net/wireless/iwlwifi/iwl-core.h
View file

@ -297,12 +297,6 @@ static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
cfg(priv)->bt_params->advanced_bt_coexist;
}
static inline void iwl_enable_rfkill_int(struct iwl_priv *priv)
{
IWL_DEBUG_ISR(priv, "Enabling rfkill interrupt\n");
iwl_write32(trans(priv), CSR_INT_MASK, CSR_INT_BIT_RF_KILL);
}
extern bool bt_siso_mode;
#endif /* __iwl_core_h__ */

7
drivers/net/wireless/iwlwifi/iwl-mac80211.c
View file

@ -346,9 +346,10 @@ static void iwlagn_mac_stop(struct ieee80211_hw *hw)
flush_workqueue(priv->shrd->workqueue);
/* User space software may expect getting rfkill changes
* even if interface is down */
iwl_write32(trans(priv), CSR_INT, 0xFFFFFFFF);
iwl_enable_rfkill_int(priv);
* even if interface is down, trans->down will leave the RF
* kill interrupt enabled
*/
iwl_trans_stop_hw(trans(priv));
IWL_DEBUG_MAC80211(priv, "leave\n");
}

6
drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
View file

@ -1149,8 +1149,10 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status))
iwl_enable_interrupts(trans);
/* Re-enable RF_KILL if it occurred */
else if (handled & CSR_INT_BIT_RF_KILL)
iwl_enable_rfkill_int(priv(trans));
else if (handled & CSR_INT_BIT_RF_KILL) {
IWL_DEBUG_ISR(trans, "Enabling rfkill interrupt\n");
iwl_write32(trans, CSR_INT_MASK, CSR_INT_BIT_RF_KILL);
}
}
/******************************************************************************

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

@ -1532,6 +1532,8 @@ static void iwl_trans_pcie_stop_hw(struct iwl_trans *trans)
{
iwl_apm_stop(trans);
iwl_write32(trans, CSR_INT, 0xFFFFFFFF);
/* Even if we stop the HW, we still want the RF kill interrupt */
IWL_DEBUG_ISR(trans, "Enabling rfkill interrupt\n");
iwl_write32(trans, CSR_INT_MASK, CSR_INT_BIT_RF_KILL);