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iwlwifi: first enable RF kill interrupt, then check register 

This can solve a race (very unlikely to happen though).

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
hifive-unleashed-5.1
Emmanuel Grumbach 2012-03-28 09:57:46 +02:00 committed by Wey-Yi Guy
parent 8d425517f1
commit 8c46bb703b
1 changed files with 8 additions and 10 deletions
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18
drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
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@ -980,14 +980,13 @@ static int iwl_trans_pcie_start_fw(struct iwl_trans *trans,
return -EIO;
}
iwl_enable_rfkill_int(trans);
/* If platform's RF_KILL switch is NOT set to KILL */
hw_rfkill = iwl_is_rfkill_set(trans);
iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
if (hw_rfkill) {
iwl_enable_rfkill_int(trans);
if (hw_rfkill)
return -ERFKILL;
}
iwl_write32(trans, CSR_INT, 0xFFFFFFFF);
@ -1560,15 +1559,14 @@ static int iwl_trans_pcie_resume(struct iwl_trans *trans)
{
bool hw_rfkill;
iwl_enable_rfkill_int(trans);
hw_rfkill = iwl_is_rfkill_set(trans);
if (hw_rfkill)
iwl_enable_rfkill_int(trans);
else
iwl_enable_interrupts(trans);
iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
if (!hw_rfkill)
iwl_enable_interrupts(trans);
return 0;
}
#endif /* CONFIG_PM_SLEEP */