X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fintel%2Fiwlwifi%2Fpcie%2Ftrans.c;h=198933f853c5574902f6d9cd87d0cf00f79e0f79;hb=c83031afaaaa4a1129394439c8cd93ffe94f9970;hp=3e988da4497387b61ff0743ab064eba153f2057d;hpb=82678ab2a4af2b827d2b44b35b1295de8a1d312d;p=platform%2Fkernel%2Flinux-starfive.git

diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index 3e988da..198933f 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -2018,6 +2018,30 @@ void iwl_trans_pcie_free_pnvm_dram_regions(struct iwl_dram_regions *dram_regions
 	memset(desc_dram, 0, sizeof(*desc_dram));
 }
 
+static void iwl_pcie_free_invalid_tx_cmd(struct iwl_trans *trans)
+{
+	iwl_pcie_free_dma_ptr(trans, &trans->invalid_tx_cmd);
+}
+
+static int iwl_pcie_alloc_invalid_tx_cmd(struct iwl_trans *trans)
+{
+	struct iwl_cmd_header_wide bad_cmd = {
+		.cmd = INVALID_WR_PTR_CMD,
+		.group_id = DEBUG_GROUP,
+		.sequence = cpu_to_le16(0xffff),
+		.length = cpu_to_le16(0),
+		.version = 0,
+	};
+	int ret;
+
+	ret = iwl_pcie_alloc_dma_ptr(trans, &trans->invalid_tx_cmd,
+				     sizeof(bad_cmd));
+	if (ret)
+		return ret;
+	memcpy(trans->invalid_tx_cmd.addr, &bad_cmd, sizeof(bad_cmd));
+	return 0;
+}
+
 void iwl_trans_pcie_free(struct iwl_trans *trans)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
@@ -2048,6 +2072,8 @@ void iwl_trans_pcie_free(struct iwl_trans *trans)
 		iwl_pcie_free_ict(trans);
 	}
 
+	iwl_pcie_free_invalid_tx_cmd(trans);
+
 	iwl_pcie_free_fw_monitor(trans);
 
 	iwl_trans_pcie_free_pnvm_dram_regions(&trans_pcie->pnvm_data,
@@ -3617,8 +3643,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
 				       PCIE_LINK_STATE_CLKPM);
 	}
 
-	trans_pcie->def_rx_queue = 0;
-
 	pci_set_master(pdev);
 
 	addr_size = trans->txqs.tfd.addr_size;
@@ -3686,6 +3710,9 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
 
 	init_waitqueue_head(&trans_pcie->sx_waitq);
 
+	ret = iwl_pcie_alloc_invalid_tx_cmd(trans);
+	if (ret)
+		goto out_no_pci;
 
 	if (trans_pcie->msix_enabled) {
 		ret = iwl_pcie_init_msix_handler(pdev, trans_pcie);