1 files changed, 8 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 bf0c32a74ca4..645cb4dd4e5a 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
@@ -47,7 +47,7 @@ int iwl_pcie_gen2_apm_init(struct iwl_trans *trans)
 
 	iwl_pcie_apm_config(trans);
 
-	ret = iwl_finish_nic_init(trans, trans->trans_cfg);
+	ret = iwl_finish_nic_init(trans);
 	if (ret)
 		return ret;
 
@@ -131,21 +131,9 @@ void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans)
 	if (trans_pcie->is_down)
 		return;
 
-	if (trans->state >= IWL_TRANS_FW_STARTED) {
-		if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) {
-			iwl_set_bit(trans, CSR_GP_CNTRL,
-				    CSR_GP_CNTRL_REG_FLAG_BUS_MASTER_DISABLE_REQ);
-			iwl_poll_bit(trans, CSR_GP_CNTRL,
-				     CSR_GP_CNTRL_REG_FLAG_BUS_MASTER_DISABLE_STATUS,
-				     CSR_GP_CNTRL_REG_FLAG_BUS_MASTER_DISABLE_STATUS,
-				     5000);
-			msleep(100);
-			iwl_set_bit(trans, CSR_GP_CNTRL,
-				    CSR_GP_CNTRL_REG_FLAG_SW_RESET);
-		} else if (trans_pcie->fw_reset_handshake) {
+	if (trans->state >= IWL_TRANS_FW_STARTED)
+		if (trans_pcie->fw_reset_handshake)
 			iwl_trans_pcie_fw_reset_handshake(trans);
-		}
-	}
 
 	trans_pcie->is_down = true;
 
@@ -175,18 +163,6 @@ void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans)
 	else
 		iwl_pcie_ctxt_info_free(trans);
 
-	/* Make sure (redundant) we've released our request to stay awake */
-	if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ)
-		iwl_clear_bit(trans, CSR_GP_CNTRL,
-			      CSR_GP_CNTRL_REG_FLAG_BZ_MAC_ACCESS_REQ);
-	else
-		iwl_clear_bit(trans, CSR_GP_CNTRL,
-			      CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
-
-	if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) {
-		iwl_set_bit(trans, CSR_GP_CNTRL,
-			    CSR_GP_CNTRL_REG_FLAG_SW_RESET);
-	}
 	/* Stop the device, and put it in low power state */
 	iwl_pcie_gen2_apm_stop(trans, false);
 
@@ -466,13 +442,15 @@ int iwl_trans_pcie_gen2_start_fw(struct iwl_trans *trans,
 
 	iwl_pcie_set_ltr(trans);
 
-	if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ)
+	if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) {
+		iwl_write32(trans, CSR_FUNC_SCRATCH, CSR_FUNC_SCRATCH_INIT_VALUE);
 		iwl_set_bit(trans, CSR_GP_CNTRL,
 			    CSR_GP_CNTRL_REG_FLAG_ROM_START);
-	else if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
+	} else if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
 		iwl_write_umac_prph(trans, UREG_CPU_INIT_RUN, 1);
-	else
+	} else {
 		iwl_write_prph(trans, UREG_CPU_INIT_RUN, 1);
+	}
 
 	/* re-check RF-Kill state since we may have missed the interrupt */
 	hw_rfkill = iwl_pcie_check_hw_rf_kill(trans);