diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index a010584d896254e3e1751913e11ae87152a02364..df43e7c6777c238423af02e9171bf418ad08e339 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -2001,6 +2001,35 @@ i40e_status i40e_aq_send_msg_to_vf(struct i40e_hw *hw, u16 vfid,
 	return status;
 }
 
+/**
+ * i40e_aq_debug_write_register
+ * @hw: pointer to the hw struct
+ * @reg_addr: register address
+ * @reg_val: register value
+ * @cmd_details: pointer to command details structure or NULL
+ *
+ * Write to a register using the admin queue commands
+ **/
+i40e_status i40e_aq_debug_write_register(struct i40e_hw *hw,
+					u32 reg_addr, u64 reg_val,
+					struct i40e_asq_cmd_details *cmd_details)
+{
+	struct i40e_aq_desc desc;
+	struct i40e_aqc_debug_reg_read_write *cmd =
+		(struct i40e_aqc_debug_reg_read_write *)&desc.params.raw;
+	i40e_status status;
+
+	i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_debug_write_reg);
+
+	cmd->address = cpu_to_le32(reg_addr);
+	cmd->value_high = cpu_to_le32((u32)(reg_val >> 32));
+	cmd->value_low = cpu_to_le32((u32)(reg_val & 0xFFFFFFFF));
+
+	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
+
+	return status;
+}
+
 /**
  * i40e_aq_set_hmc_resource_profile
  * @hw: pointer to the hw struct
diff --git a/drivers/net/ethernet/intel/i40e/i40e_prototype.h b/drivers/net/ethernet/intel/i40e/i40e_prototype.h
index 8cd4390a28427c18cfc7d529fca5d9ef73071ae6..949a9a01778b9c17aad87a78af9a933ac191856a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_prototype.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_prototype.h
@@ -70,6 +70,9 @@ i40e_status i40e_aq_get_firmware_version(struct i40e_hw *hw,
 				u16 *fw_major_version, u16 *fw_minor_version,
 				u16 *api_major_version, u16 *api_minor_version,
 				struct i40e_asq_cmd_details *cmd_details);
+i40e_status i40e_aq_debug_write_register(struct i40e_hw *hw,
+					u32 reg_addr, u64 reg_val,
+					struct i40e_asq_cmd_details *cmd_details);
 i40e_status i40e_aq_set_phy_debug(struct i40e_hw *hw, u8 cmd_flags,
 				struct i40e_asq_cmd_details *cmd_details);
 i40e_status i40e_aq_set_default_vsi(struct i40e_hw *hw, u16 vsi_id,