diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
index 3138f637ab2a3d4bdaa9e61e832f173a5206f655..ca0b5536a8a68e1a4dcc8b2d2de61e5dfb7af255 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
@@ -520,6 +520,9 @@ struct iwl_trans_txq_scd_cfg {
  * @dump_data: return a vmalloc'ed buffer with debug data, maybe containing last
  *	TX'ed commands and similar. The buffer will be vfree'd by the caller.
  *	Note that the transport must fill in the proper file headers.
+ * @dump_regs: dump using IWL_ERR configuration space and memory mapped
+ *	registers of the device to diagnose failure, e.g., when HW becomes
+ *	inaccessible.
  */
 struct iwl_trans_ops {
 
@@ -587,6 +590,8 @@ struct iwl_trans_ops {
 	struct iwl_trans_dump_data *(*dump_data)(struct iwl_trans *trans,
 						 const struct iwl_fw_dbg_trigger_tlv
 						 *trigger);
+
+	void (*dump_regs)(struct iwl_trans *trans);
 };
 
 /**
@@ -865,6 +870,12 @@ iwl_trans_dump_data(struct iwl_trans *trans,
 	return trans->ops->dump_data(trans, trigger);
 }
 
+static inline void iwl_trans_dump_regs(struct iwl_trans *trans)
+{
+	if (trans->ops->dump_regs)
+		trans->ops->dump_regs(trans);
+}
+
 static inline struct iwl_device_cmd *
 iwl_trans_alloc_tx_cmd(struct iwl_trans *trans)
 {
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index 0008ea323be3ce578541e04f0c450e376c0a1878..8d992d5ba0644935f31497d6c4aa92af1f852682 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -88,7 +88,7 @@
 #define IWL_FW_MEM_EXTENDED_START	0x40000
 #define IWL_FW_MEM_EXTENDED_END		0x57FFF
 
-static void iwl_trans_pcie_err_dump(struct iwl_trans *trans)
+static void iwl_trans_pcie_dump_regs(struct iwl_trans *trans)
 {
 #define PCI_DUMP_SIZE	64
 #define PREFIX_LEN	32
@@ -736,7 +736,7 @@ static int iwl_pcie_load_firmware_chunk(struct iwl_trans *trans,
 				 trans_pcie->ucode_write_complete, 5 * HZ);
 	if (!ret) {
 		IWL_ERR(trans, "Failed to load firmware chunk!\n");
-		iwl_trans_pcie_err_dump(trans);
+		iwl_trans_pcie_dump_regs(trans);
 		return -ETIMEDOUT;
 	}
 
@@ -1956,7 +1956,7 @@ static bool iwl_trans_pcie_grab_nic_access(struct iwl_trans *trans,
 			   (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY |
 			    CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000);
 	if (unlikely(ret < 0)) {
-		iwl_trans_pcie_err_dump(trans);
+		iwl_trans_pcie_dump_regs(trans);
 		iwl_write32(trans, CSR_RESET, CSR_RESET_REG_FLAG_FORCE_NMI);
 		WARN_ONCE(1,
 			  "Timeout waiting for hardware access (CSR_GP_CNTRL 0x%08x)\n",
@@ -3021,6 +3021,7 @@ static void iwl_trans_pcie_resume(struct iwl_trans *trans)
 	.ref = iwl_trans_pcie_ref,					\
 	.unref = iwl_trans_pcie_unref,					\
 	.dump_data = iwl_trans_pcie_dump_data,				\
+	.dump_regs = iwl_trans_pcie_dump_regs,				\
 	.d3_suspend = iwl_trans_pcie_d3_suspend,			\
 	.d3_resume = iwl_trans_pcie_d3_resume
 
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
index e93c471ef9bfc62a0348f48253356bd9e63c12fa..b5c459cd70cecab890111b302f09b5e5a55c9e29 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
@@ -1909,6 +1909,7 @@ static int iwl_pcie_send_hcmd_sync(struct iwl_trans *trans,
 	}
 
 	if (test_bit(STATUS_FW_ERROR, &trans->status)) {
+		iwl_trans_dump_regs(trans);
 		IWL_ERR(trans, "FW error in SYNC CMD %s\n",
 			iwl_get_cmd_string(trans, cmd->id));
 		dump_stack();