diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c | 36 |
1 files changed, 6 insertions, 30 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c index ac60a282d6de..b84b78293e7b 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c @@ -136,9 +136,7 @@ static void iwl_pcie_gen2_apm_stop(struct iwl_trans *trans, bool op_mode_leave) /* Stop device's DMA activity */ iwl_pcie_apm_stop_master(trans); - /* Reset the entire device */ - iwl_set_bit(trans, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); - usleep_range(1000, 2000); + iwl_pcie_sw_reset(trans); /* * Clear "initialization complete" bit to move adapter from @@ -150,7 +148,6 @@ static void iwl_pcie_gen2_apm_stop(struct iwl_trans *trans, bool op_mode_leave) void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans, bool low_power) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - bool hw_rfkill, was_hw_rfkill; lockdep_assert_held(&trans_pcie->mutex); @@ -159,8 +156,6 @@ void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans, bool low_power) trans_pcie->is_down = true; - was_hw_rfkill = iwl_is_rfkill_set(trans); - /* tell the device to stop sending interrupts */ iwl_disable_interrupts(trans); @@ -191,9 +186,7 @@ void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans, bool low_power) /* Stop the device, and put it in low power state */ iwl_pcie_gen2_apm_stop(trans, false); - /* stop and reset the on-board processor */ - iwl_write32(trans, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); - usleep_range(1000, 2000); + iwl_pcie_sw_reset(trans); /* * Upon stop, the IVAR table gets erased, so msi-x won't @@ -217,7 +210,6 @@ void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans, bool low_power) clear_bit(STATUS_SYNC_HCMD_ACTIVE, &trans->status); clear_bit(STATUS_INT_ENABLED, &trans->status); clear_bit(STATUS_TPOWER_PMI, &trans->status); - clear_bit(STATUS_RFKILL, &trans->status); /* * Even if we stop the HW, we still want the RF kill @@ -225,26 +217,6 @@ void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans, bool low_power) */ iwl_enable_rfkill_int(trans); - /* - * Check again since the RF kill state may have changed while - * all the interrupts were disabled, in this case we couldn't - * receive the RF kill interrupt and update the state in the - * op_mode. - * Don't call the op_mode if the rkfill state hasn't changed. - * This allows the op_mode to call stop_device from the rfkill - * notification without endless recursion. Under very rare - * circumstances, we might have a small recursion if the rfkill - * state changed exactly now while we were called from stop_device. - * This is very unlikely but can happen and is supported. - */ - hw_rfkill = iwl_is_rfkill_set(trans); - if (hw_rfkill) - set_bit(STATUS_RFKILL, &trans->status); - else - clear_bit(STATUS_RFKILL, &trans->status); - if (hw_rfkill != was_hw_rfkill) - iwl_trans_pcie_rf_kill(trans, hw_rfkill); - /* re-take ownership to prevent other users from stealing the device */ iwl_pcie_prepare_card_hw(trans); } @@ -252,9 +224,13 @@ void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans, bool low_power) void iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans, bool low_power) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + bool was_in_rfkill; mutex_lock(&trans_pcie->mutex); + trans_pcie->opmode_down = true; + was_in_rfkill = test_bit(STATUS_RFKILL_OPMODE, &trans->status); _iwl_trans_pcie_gen2_stop_device(trans, low_power); + iwl_trans_pcie_handle_stop_rfkill(trans, was_in_rfkill); mutex_unlock(&trans_pcie->mutex); } |