diff --git a/drivers/infiniband/hw/hns/Kconfig b/drivers/infiniband/hw/hns/Kconfig
index 61c93bb..37e33e5 100644
--- a/drivers/infiniband/hw/hns/Kconfig
+++ b/drivers/infiniband/hw/hns/Kconfig
@@ -1,10 +1,21 @@
 config INFINIBAND_HNS
 	tristate "HNS RoCE Driver"
 	depends on NET_VENDOR_HISILICON
-	depends on (ARM64 || (COMPILE_TEST && 64BIT)) && HNS && HNS_DSAF && HNS_ENET
+	depends on ARM64 || (COMPILE_TEST && 64BIT)
 	---help---
 	  This is a RoCE/RDMA driver for the Hisilicon RoCE engine. The engine
-	  is used in Hisilicon Hi1610 and more further ICT SoC.
+	  is used in Hisilicon Hip06 and more further ICT SoC based on
+	  platform device.
 
 	  To compile this driver as a module, choose M here: the module
 	  will be called hns-roce.
+
+config INFINIBAND_HNS_HIP06
+	tristate "Hisilicon Hip06 Family RoCE support"
+	depends on INFINIBAND_HNS && HNS && HNS_DSAF && HNS_ENET
+	---help---
+	  RoCE driver support for Hisilicon RoCE engine in Hisilicon Hip06 and
+	  Hip07 SoC. These RoCE engines are platform devices.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called hns-roce-hw-v1.
diff --git a/drivers/infiniband/hw/hns/Makefile b/drivers/infiniband/hw/hns/Makefile
index 7e8ebd2..806ac4e 100644
--- a/drivers/infiniband/hw/hns/Makefile
+++ b/drivers/infiniband/hw/hns/Makefile
@@ -5,4 +5,6 @@
 obj-$(CONFIG_INFINIBAND_HNS) += hns-roce.o
 hns-roce-objs := hns_roce_main.o hns_roce_cmd.o hns_roce_eq.o hns_roce_pd.o \
 	hns_roce_ah.o hns_roce_hem.o hns_roce_mr.o hns_roce_qp.o \
-	hns_roce_cq.o hns_roce_alloc.o hns_roce_hw_v1.o
+	hns_roce_cq.o hns_roce_alloc.o
+obj-$(CONFIG_INFINIBAND_HNS_HIP06) += hns-roce-hw-v1.o
+hns-roce-hw-v1-objs := hns_roce_hw_v1.o
diff --git a/drivers/infiniband/hw/hns/hns_roce_alloc.c b/drivers/infiniband/hw/hns/hns_roce_alloc.c
index e1b433c..71a5098 100644
--- a/drivers/infiniband/hw/hns/hns_roce_alloc.c
+++ b/drivers/infiniband/hw/hns/hns_roce_alloc.c
@@ -67,6 +67,7 @@ void hns_roce_bitmap_free(struct hns_roce_bitmap *bitmap, unsigned long obj,
 {
 	hns_roce_bitmap_free_range(bitmap, obj, 1, rr);
 }
+EXPORT_SYMBOL_GPL(hns_roce_bitmap_free);
 
 int hns_roce_bitmap_alloc_range(struct hns_roce_bitmap *bitmap, int cnt,
 				int align, unsigned long *obj)
@@ -177,6 +178,7 @@ void hns_roce_buf_free(struct hns_roce_dev *hr_dev, u32 size,
 		kfree(buf->page_list);
 	}
 }
+EXPORT_SYMBOL_GPL(hns_roce_buf_free);
 
 int hns_roce_buf_alloc(struct hns_roce_dev *hr_dev, u32 size, u32 max_direct,
 		       struct hns_roce_buf *buf)
diff --git a/drivers/infiniband/hw/hns/hns_roce_cmd.c b/drivers/infiniband/hw/hns/hns_roce_cmd.c
index b94dcd8..c981d9d 100644
--- a/drivers/infiniband/hw/hns/hns_roce_cmd.c
+++ b/drivers/infiniband/hw/hns/hns_roce_cmd.c
@@ -269,6 +269,7 @@ int hns_roce_cmd_mbox(struct hns_roce_dev *hr_dev, u64 in_param, u64 out_param,
 					      in_modifier, op_modifier, op,
 					      timeout);
 }
+EXPORT_SYMBOL_GPL(hns_roce_cmd_mbox);
 
 int hns_roce_cmd_init(struct hns_roce_dev *hr_dev)
 {
@@ -356,6 +357,7 @@ struct hns_roce_cmd_mailbox
 
 	return mailbox;
 }
+EXPORT_SYMBOL_GPL(hns_roce_alloc_cmd_mailbox);
 
 void hns_roce_free_cmd_mailbox(struct hns_roce_dev *hr_dev,
 			       struct hns_roce_cmd_mailbox *mailbox)
@@ -366,3 +368,4 @@ void hns_roce_free_cmd_mailbox(struct hns_roce_dev *hr_dev,
 	dma_pool_free(hr_dev->cmd.pool, mailbox->buf, mailbox->dma);
 	kfree(mailbox);
 }
+EXPORT_SYMBOL_GPL(hns_roce_free_cmd_mailbox);
diff --git a/drivers/infiniband/hw/hns/hns_roce_cq.c b/drivers/infiniband/hw/hns/hns_roce_cq.c
index b89fd71..1d57df7 100644
--- a/drivers/infiniband/hw/hns/hns_roce_cq.c
+++ b/drivers/infiniband/hw/hns/hns_roce_cq.c
@@ -205,6 +205,7 @@ void hns_roce_free_cq(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
 	hns_roce_table_put(hr_dev, &cq_table->table, hr_cq->cqn);
 	hns_roce_bitmap_free(&cq_table->bitmap, hr_cq->cqn, BITMAP_NO_RR);
 }
+EXPORT_SYMBOL_GPL(hns_roce_free_cq);
 
 static int hns_roce_ib_get_cq_umem(struct hns_roce_dev *hr_dev,
 				   struct ib_ucontext *context,
@@ -385,6 +386,7 @@ struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev,
 	kfree(hr_cq);
 	return ERR_PTR(ret);
 }
+EXPORT_SYMBOL_GPL(hns_roce_ib_create_cq);
 
 int hns_roce_ib_destroy_cq(struct ib_cq *ib_cq)
 {
@@ -410,6 +412,7 @@ int hns_roce_ib_destroy_cq(struct ib_cq *ib_cq)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(hns_roce_ib_destroy_cq);
 
 void hns_roce_cq_completion(struct hns_roce_dev *hr_dev, u32 cqn)
 {
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index e493a61..fc2b82d 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -571,7 +571,7 @@ struct hns_roce_dev {
 	int			loop_idc;
 	dma_addr_t		tptr_dma_addr; /*only for hw v1*/
 	u32			tptr_size; /*only for hw v1*/
-	struct hns_roce_hw	*hw;
+	const struct hns_roce_hw *hw;
 };
 
 static inline struct hns_roce_dev *to_hr_dev(struct ib_device *ib_dev)
@@ -749,7 +749,7 @@ struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev,
 void hns_roce_cq_event(struct hns_roce_dev *hr_dev, u32 cqn, int event_type);
 void hns_roce_qp_event(struct hns_roce_dev *hr_dev, u32 qpn, int event_type);
 int hns_get_gid_index(struct hns_roce_dev *hr_dev, u8 port, int gid_index);
-
-extern struct hns_roce_hw hns_roce_hw_v1;
+int hns_roce_init(struct hns_roce_dev *hr_dev);
+void hns_roce_exit(struct hns_roce_dev *hr_dev);
 
 #endif /* _HNS_ROCE_DEVICE_H */
diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c
index c5104e0..06aed4a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hem.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.c
@@ -314,6 +314,7 @@ void *hns_roce_table_find(struct hns_roce_hem_table *table, unsigned long obj,
 	mutex_unlock(&table->mutex);
 	return page ? lowmem_page_address(page) + offset : NULL;
 }
+EXPORT_SYMBOL_GPL(hns_roce_table_find);
 
 int hns_roce_table_get_range(struct hns_roce_dev *hr_dev,
 			     struct hns_roce_hem_table *table,
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 747efd1..917d003 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -34,6 +34,7 @@
 #include <linux/acpi.h>
 #include <linux/etherdevice.h>
 #include <linux/of.h>
+#include <linux/of_platform.h>
 #include <rdma/ib_umem.h>
 #include "hns_roce_common.h"
 #include "hns_roce_device.h"
@@ -3843,7 +3844,7 @@ int hns_roce_v1_destroy_cq(struct ib_cq *ibcq)
 
 struct hns_roce_v1_priv hr_v1_priv;
 
-struct hns_roce_hw hns_roce_hw_v1 = {
+static const struct hns_roce_hw hns_roce_hw_v1 = {
 	.reset = hns_roce_v1_reset,
 	.hw_profile = hns_roce_v1_profile,
 	.hw_init = hns_roce_v1_init,
@@ -3865,3 +3866,244 @@ struct hns_roce_hw hns_roce_hw_v1 = {
 	.destroy_cq = hns_roce_v1_destroy_cq,
 	.priv = &hr_v1_priv,
 };
+
+static const struct of_device_id hns_roce_of_match[] = {
+	{ .compatible = "hisilicon,hns-roce-v1", .data = &hns_roce_hw_v1, },
+	{},
+};
+MODULE_DEVICE_TABLE(of, hns_roce_of_match);
+
+static const struct acpi_device_id hns_roce_acpi_match[] = {
+	{ "HISI00D1", (kernel_ulong_t)&hns_roce_hw_v1 },
+	{},
+};
+MODULE_DEVICE_TABLE(acpi, hns_roce_acpi_match);
+
+static int hns_roce_node_match(struct device *dev, void *fwnode)
+{
+	return dev->fwnode == fwnode;
+}
+
+static struct
+platform_device *hns_roce_find_pdev(struct fwnode_handle *fwnode)
+{
+	struct device *dev;
+
+	/* get the 'device' corresponding to the matching 'fwnode' */
+	dev = bus_find_device(&platform_bus_type, NULL,
+			      fwnode, hns_roce_node_match);
+	/* get the platform device */
+	return dev ? to_platform_device(dev) : NULL;
+}
+
+static int hns_roce_get_cfg(struct hns_roce_dev *hr_dev)
+{
+	struct device *dev = &hr_dev->pdev->dev;
+	struct platform_device *pdev = NULL;
+	struct net_device *netdev = NULL;
+	struct device_node *net_node;
+	struct resource *res;
+	int port_cnt = 0;
+	u8 phy_port;
+	int ret;
+	int i;
+
+	/* check if we are compatible with the underlying SoC */
+	if (dev_of_node(dev)) {
+		const struct of_device_id *of_id;
+
+		of_id = of_match_node(hns_roce_of_match, dev->of_node);
+		if (!of_id) {
+			dev_err(dev, "device is not compatible!\n");
+			return -ENXIO;
+		}
+		hr_dev->hw = (const struct hns_roce_hw *)of_id->data;
+		if (!hr_dev->hw) {
+			dev_err(dev, "couldn't get H/W specific DT data!\n");
+			return -ENXIO;
+		}
+	} else if (is_acpi_device_node(dev->fwnode)) {
+		const struct acpi_device_id *acpi_id;
+
+		acpi_id = acpi_match_device(hns_roce_acpi_match, dev);
+		if (!acpi_id) {
+			dev_err(dev, "device is not compatible!\n");
+			return -ENXIO;
+		}
+		hr_dev->hw = (const struct hns_roce_hw *) acpi_id->driver_data;
+		if (!hr_dev->hw) {
+			dev_err(dev, "couldn't get H/W specific ACPI data!\n");
+			return -ENXIO;
+		}
+	} else {
+		dev_err(dev, "can't read compatibility data from DT or ACPI\n");
+		return -ENXIO;
+	}
+
+	/* get the mapped register base address */
+	res = platform_get_resource(hr_dev->pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(dev, "memory resource not found!\n");
+		return -EINVAL;
+	}
+	hr_dev->reg_base = devm_ioremap_resource(dev, res);
+	if (IS_ERR(hr_dev->reg_base))
+		return PTR_ERR(hr_dev->reg_base);
+
+	/* read the node_guid of IB device from the DT or ACPI */
+	ret = device_property_read_u8_array(dev, "node-guid",
+					    (u8 *)&hr_dev->ib_dev.node_guid,
+					    GUID_LEN);
+	if (ret) {
+		dev_err(dev, "couldn't get node_guid from DT or ACPI!\n");
+		return ret;
+	}
+
+	/* get the RoCE associated ethernet ports or netdevices */
+	for (i = 0; i < HNS_ROCE_MAX_PORTS; i++) {
+		if (dev_of_node(dev)) {
+			net_node = of_parse_phandle(dev->of_node, "eth-handle",
+						    i);
+			if (!net_node)
+				continue;
+			pdev = of_find_device_by_node(net_node);
+		} else if (is_acpi_device_node(dev->fwnode)) {
+			struct acpi_reference_args args;
+			struct fwnode_handle *fwnode;
+
+			ret = acpi_node_get_property_reference(dev->fwnode,
+							       "eth-handle",
+							       i, &args);
+			if (ret)
+				continue;
+			fwnode = acpi_fwnode_handle(args.adev);
+			pdev = hns_roce_find_pdev(fwnode);
+		} else {
+			dev_err(dev, "cannot read data from DT or ACPI\n");
+			return -ENXIO;
+		}
+
+		if (pdev) {
+			netdev = platform_get_drvdata(pdev);
+			phy_port = (u8)i;
+			if (netdev) {
+				hr_dev->iboe.netdevs[port_cnt] = netdev;
+				hr_dev->iboe.phy_port[port_cnt] = phy_port;
+			} else {
+				dev_err(dev, "no netdev found with pdev %s\n",
+					pdev->name);
+				return -ENODEV;
+			}
+			port_cnt++;
+		}
+	}
+
+	if (port_cnt == 0) {
+		dev_err(dev, "unable to get eth-handle for available ports!\n");
+		return -EINVAL;
+	}
+
+	hr_dev->caps.num_ports = port_cnt;
+
+	/* cmd issue mode: 0 is poll, 1 is event */
+	hr_dev->cmd_mod = 1;
+	hr_dev->loop_idc = 0;
+
+	/* read the interrupt names from the DT or ACPI */
+	ret = device_property_read_string_array(dev, "interrupt-names",
+						hr_dev->irq_names,
+						HNS_ROCE_MAX_IRQ_NUM);
+	if (ret < 0) {
+		dev_err(dev, "couldn't get interrupt names from DT or ACPI!\n");
+		return ret;
+	}
+
+	/* fetch the interrupt numbers */
+	for (i = 0; i < HNS_ROCE_MAX_IRQ_NUM; i++) {
+		hr_dev->irq[i] = platform_get_irq(hr_dev->pdev, i);
+		if (hr_dev->irq[i] <= 0) {
+			dev_err(dev, "platform get of irq[=%d] failed!\n", i);
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * hns_roce_probe - RoCE driver entrance
+ * @pdev: pointer to platform device
+ * Return : int
+ *
+ */
+static int hns_roce_probe(struct platform_device *pdev)
+{
+	int ret;
+	struct hns_roce_dev *hr_dev;
+	struct device *dev = &pdev->dev;
+
+	hr_dev = (struct hns_roce_dev *)ib_alloc_device(sizeof(*hr_dev));
+	if (!hr_dev)
+		return -ENOMEM;
+
+	hr_dev->pdev = pdev;
+	platform_set_drvdata(pdev, hr_dev);
+
+	if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64ULL)) &&
+	    dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32ULL))) {
+		dev_err(dev, "Not usable DMA addressing mode\n");
+		ret = -EIO;
+		goto error_failed_get_cfg;
+	}
+
+	ret = hns_roce_get_cfg(hr_dev);
+	if (ret) {
+		dev_err(dev, "Get Configuration failed!\n");
+		goto error_failed_get_cfg;
+	}
+
+	ret = hns_roce_init(hr_dev);
+	if (ret) {
+		dev_err(dev, "RoCE engine init failed!\n");
+		goto error_failed_get_cfg;
+	}
+
+	return 0;
+
+error_failed_get_cfg:
+	ib_dealloc_device(&hr_dev->ib_dev);
+
+	return ret;
+}
+
+/**
+ * hns_roce_remove - remove RoCE device
+ * @pdev: pointer to platform device
+ */
+static int hns_roce_remove(struct platform_device *pdev)
+{
+	struct hns_roce_dev *hr_dev = platform_get_drvdata(pdev);
+
+	hns_roce_exit(hr_dev);
+	ib_dealloc_device(&hr_dev->ib_dev);
+
+	return 0;
+}
+
+static struct platform_driver hns_roce_driver = {
+	.probe = hns_roce_probe,
+	.remove = hns_roce_remove,
+	.driver = {
+		.name = DRV_NAME,
+		.of_match_table = hns_roce_of_match,
+		.acpi_match_table = ACPI_PTR(hns_roce_acpi_match),
+	},
+};
+
+module_platform_driver(hns_roce_driver);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Wei Hu <xavier.huwei@huawei.com>");
+MODULE_AUTHOR("Nenglong Zhao <zhaonenglong@hisilicon.com>");
+MODULE_AUTHOR("Lijun Ou <oulijun@huawei.com>");
+MODULE_DESCRIPTION("Hisilicon Hip06 Family RoCE Driver");
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index d9777b6..7afa0c8 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -57,6 +57,7 @@ int hns_get_gid_index(struct hns_roce_dev *hr_dev, u8 port, int gid_index)
 {
 	return gid_index * hr_dev->caps.num_ports + port;
 }
+EXPORT_SYMBOL_GPL(hns_get_gid_index);
 
 static void hns_roce_set_mac(struct hns_roce_dev *hr_dev, u8 port, u8 *addr)
 {
@@ -174,8 +175,9 @@ static int hns_roce_setup_mtu_mac(struct hns_roce_dev *hr_dev)
 	u8 i;
 
 	for (i = 0; i < hr_dev->caps.num_ports; i++) {
-		hr_dev->hw->set_mtu(hr_dev, hr_dev->iboe.phy_port[i],
-				    hr_dev->caps.max_mtu);
+		if (hr_dev->hw->set_mtu)
+			hr_dev->hw->set_mtu(hr_dev, hr_dev->iboe.phy_port[i],
+					    hr_dev->caps.max_mtu);
 		hns_roce_set_mac(hr_dev, i, hr_dev->iboe.netdevs[i]->dev_addr);
 	}
 
@@ -531,169 +533,6 @@ static int hns_roce_register_device(struct hns_roce_dev *hr_dev)
 	return ret;
 }
 
-static const struct of_device_id hns_roce_of_match[] = {
-	{ .compatible = "hisilicon,hns-roce-v1", .data = &hns_roce_hw_v1, },
-	{},
-};
-MODULE_DEVICE_TABLE(of, hns_roce_of_match);
-
-static const struct acpi_device_id hns_roce_acpi_match[] = {
-	{ "HISI00D1", (kernel_ulong_t)&hns_roce_hw_v1 },
-	{},
-};
-MODULE_DEVICE_TABLE(acpi, hns_roce_acpi_match);
-
-static int hns_roce_node_match(struct device *dev, void *fwnode)
-{
-	return dev->fwnode == fwnode;
-}
-
-static struct
-platform_device *hns_roce_find_pdev(struct fwnode_handle *fwnode)
-{
-	struct device *dev;
-
-	/* get the 'device'corresponding to matching 'fwnode' */
-	dev = bus_find_device(&platform_bus_type, NULL,
-			      fwnode, hns_roce_node_match);
-	/* get the platform device */
-	return dev ? to_platform_device(dev) : NULL;
-}
-
-static int hns_roce_get_cfg(struct hns_roce_dev *hr_dev)
-{
-	int i;
-	int ret;
-	u8 phy_port;
-	int port_cnt = 0;
-	struct device *dev = &hr_dev->pdev->dev;
-	struct device_node *net_node;
-	struct net_device *netdev = NULL;
-	struct platform_device *pdev = NULL;
-	struct resource *res;
-
-	/* check if we are compatible with the underlying SoC */
-	if (dev_of_node(dev)) {
-		const struct of_device_id *of_id;
-
-		of_id = of_match_node(hns_roce_of_match, dev->of_node);
-		if (!of_id) {
-			dev_err(dev, "device is not compatible!\n");
-			return -ENXIO;
-		}
-		hr_dev->hw = (struct hns_roce_hw *)of_id->data;
-		if (!hr_dev->hw) {
-			dev_err(dev, "couldn't get H/W specific DT data!\n");
-			return -ENXIO;
-		}
-	} else if (is_acpi_device_node(dev->fwnode)) {
-		const struct acpi_device_id *acpi_id;
-
-		acpi_id = acpi_match_device(hns_roce_acpi_match, dev);
-		if (!acpi_id) {
-			dev_err(dev, "device is not compatible!\n");
-			return -ENXIO;
-		}
-		hr_dev->hw = (struct hns_roce_hw *) acpi_id->driver_data;
-		if (!hr_dev->hw) {
-			dev_err(dev, "couldn't get H/W specific ACPI data!\n");
-			return -ENXIO;
-		}
-	} else {
-		dev_err(dev, "can't read compatibility data from DT or ACPI\n");
-		return -ENXIO;
-	}
-
-	/* get the mapped register base address */
-	res = platform_get_resource(hr_dev->pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "memory resource not found!\n");
-		return -EINVAL;
-	}
-	hr_dev->reg_base = devm_ioremap_resource(dev, res);
-	if (IS_ERR(hr_dev->reg_base))
-		return PTR_ERR(hr_dev->reg_base);
-
-	/* read the node_guid of IB device from the DT or ACPI */
-	ret = device_property_read_u8_array(dev, "node-guid",
-					    (u8 *)&hr_dev->ib_dev.node_guid,
-					    GUID_LEN);
-	if (ret) {
-		dev_err(dev, "couldn't get node_guid from DT or ACPI!\n");
-		return ret;
-	}
-
-	/* get the RoCE associated ethernet ports or netdevices */
-	for (i = 0; i < HNS_ROCE_MAX_PORTS; i++) {
-		if (dev_of_node(dev)) {
-			net_node = of_parse_phandle(dev->of_node, "eth-handle",
-						    i);
-			if (!net_node)
-				continue;
-			pdev = of_find_device_by_node(net_node);
-		} else if (is_acpi_device_node(dev->fwnode)) {
-			struct acpi_reference_args args;
-			struct fwnode_handle *fwnode;
-
-			ret = acpi_node_get_property_reference(dev->fwnode,
-							       "eth-handle",
-							       i, &args);
-			if (ret)
-				continue;
-			fwnode = acpi_fwnode_handle(args.adev);
-			pdev = hns_roce_find_pdev(fwnode);
-		} else {
-			dev_err(dev, "cannot read data from DT or ACPI\n");
-			return -ENXIO;
-		}
-
-		if (pdev) {
-			netdev = platform_get_drvdata(pdev);
-			phy_port = (u8)i;
-			if (netdev) {
-				hr_dev->iboe.netdevs[port_cnt] = netdev;
-				hr_dev->iboe.phy_port[port_cnt] = phy_port;
-			} else {
-				dev_err(dev, "no netdev found with pdev %s\n",
-					pdev->name);
-				return -ENODEV;
-			}
-			port_cnt++;
-		}
-	}
-
-	if (port_cnt == 0) {
-		dev_err(dev, "unable to get eth-handle for available ports!\n");
-		return -EINVAL;
-	}
-
-	hr_dev->caps.num_ports = port_cnt;
-
-	/* cmd issue mode: 0 is poll, 1 is event */
-	hr_dev->cmd_mod = 1;
-	hr_dev->loop_idc = 0;
-
-	/* read the interrupt names from the DT or ACPI */
-	ret = device_property_read_string_array(dev, "interrupt-names",
-						hr_dev->irq_names,
-						HNS_ROCE_MAX_IRQ_NUM);
-	if (ret < 0) {
-		dev_err(dev, "couldn't get interrupt names from DT or ACPI!\n");
-		return ret;
-	}
-
-	/* fetch the interrupt numbers */
-	for (i = 0; i < HNS_ROCE_MAX_IRQ_NUM; i++) {
-		hr_dev->irq[i] = platform_get_irq(hr_dev->pdev, i);
-		if (hr_dev->irq[i] <= 0) {
-			dev_err(dev, "platform get of irq[=%d] failed!\n", i);
-			return -EINVAL;
-		}
-	}
-
-	return 0;
-}
-
 static int hns_roce_init_hem(struct hns_roce_dev *hr_dev)
 {
 	int ret;
@@ -826,42 +665,17 @@ static int hns_roce_setup_hca(struct hns_roce_dev *hr_dev)
 	return ret;
 }
 
-/**
- * hns_roce_probe - RoCE driver entrance
- * @pdev: pointer to platform device
- * Return : int
- *
- */
-static int hns_roce_probe(struct platform_device *pdev)
+int hns_roce_init(struct hns_roce_dev *hr_dev)
 {
 	int ret;
-	struct hns_roce_dev *hr_dev;
-	struct device *dev = &pdev->dev;
-
-	hr_dev = (struct hns_roce_dev *)ib_alloc_device(sizeof(*hr_dev));
-	if (!hr_dev)
-		return -ENOMEM;
-
-	hr_dev->pdev = pdev;
-	platform_set_drvdata(pdev, hr_dev);
-
-	if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64ULL)) &&
-	    dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32ULL))) {
-		dev_err(dev, "Not usable DMA addressing mode\n");
-		ret = -EIO;
-		goto error_failed_get_cfg;
-	}
-
-	ret = hns_roce_get_cfg(hr_dev);
-	if (ret) {
-		dev_err(dev, "Get Configuration failed!\n");
-		goto error_failed_get_cfg;
-	}
+	struct device *dev = &hr_dev->pdev->dev;
 
-	ret = hr_dev->hw->reset(hr_dev, true);
-	if (ret) {
-		dev_err(dev, "Reset RoCE engine failed!\n");
-		goto error_failed_get_cfg;
+	if (hr_dev->hw->reset) {
+		ret = hr_dev->hw->reset(hr_dev, true);
+		if (ret) {
+			dev_err(dev, "Reset RoCE engine failed!\n");
+			return ret;
+		}
 	}
 
 	hr_dev->hw->hw_profile(hr_dev);
@@ -872,10 +686,12 @@ static int hns_roce_probe(struct platform_device *pdev)
 		goto error_failed_cmd_init;
 	}
 
-	ret = hns_roce_init_eq_table(hr_dev);
-	if (ret) {
-		dev_err(dev, "eq init failed!\n");
-		goto error_failed_eq_table;
+	if (hr_dev->cmd_mod) {
+		ret = hns_roce_init_eq_table(hr_dev);
+		if (ret) {
+			dev_err(dev, "eq init failed!\n");
+			goto error_failed_eq_table;
+		}
 	}
 
 	if (hr_dev->cmd_mod) {
@@ -898,10 +714,12 @@ static int hns_roce_probe(struct platform_device *pdev)
 		goto error_failed_setup_hca;
 	}
 
-	ret = hr_dev->hw->hw_init(hr_dev);
-	if (ret) {
-		dev_err(dev, "hw_init failed!\n");
-		goto error_failed_engine_init;
+	if (hr_dev->hw->hw_init) {
+		ret = hr_dev->hw->hw_init(hr_dev);
+		if (ret) {
+			dev_err(dev, "hw_init failed!\n");
+			goto error_failed_engine_init;
+		}
 	}
 
 	ret = hns_roce_register_device(hr_dev);
@@ -911,7 +729,8 @@ static int hns_roce_probe(struct platform_device *pdev)
 	return 0;
 
 error_failed_register_device:
-	hr_dev->hw->hw_exit(hr_dev);
+	if (hr_dev->hw->hw_exit)
+		hr_dev->hw->hw_exit(hr_dev);
 
 error_failed_engine_init:
 	hns_roce_cleanup_bitmap(hr_dev);
@@ -924,58 +743,41 @@ static int hns_roce_probe(struct platform_device *pdev)
 		hns_roce_cmd_use_polling(hr_dev);
 
 error_failed_use_event:
-	hns_roce_cleanup_eq_table(hr_dev);
+	if (hr_dev->cmd_mod)
+		hns_roce_cleanup_eq_table(hr_dev);
 
 error_failed_eq_table:
 	hns_roce_cmd_cleanup(hr_dev);
 
 error_failed_cmd_init:
-	ret = hr_dev->hw->reset(hr_dev, false);
-	if (ret)
-		dev_err(&hr_dev->pdev->dev, "roce_engine reset fail\n");
-
-error_failed_get_cfg:
-	ib_dealloc_device(&hr_dev->ib_dev);
+	if (hr_dev->hw->reset) {
+		ret = hr_dev->hw->reset(hr_dev, false);
+		if (ret)
+			dev_err(dev, "Dereset RoCE engine failed!\n");
+	}
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(hns_roce_init);
 
-/**
- * hns_roce_remove - remove RoCE device
- * @pdev: pointer to platform device
- */
-static int hns_roce_remove(struct platform_device *pdev)
+void hns_roce_exit(struct hns_roce_dev *hr_dev)
 {
-	struct hns_roce_dev *hr_dev = platform_get_drvdata(pdev);
-
 	hns_roce_unregister_device(hr_dev);
-	hr_dev->hw->hw_exit(hr_dev);
+	if (hr_dev->hw->hw_exit)
+		hr_dev->hw->hw_exit(hr_dev);
 	hns_roce_cleanup_bitmap(hr_dev);
 	hns_roce_cleanup_hem(hr_dev);
 
 	if (hr_dev->cmd_mod)
 		hns_roce_cmd_use_polling(hr_dev);
 
-	hns_roce_cleanup_eq_table(hr_dev);
+	if (hr_dev->cmd_mod)
+		hns_roce_cleanup_eq_table(hr_dev);
 	hns_roce_cmd_cleanup(hr_dev);
-	hr_dev->hw->reset(hr_dev, false);
-
-	ib_dealloc_device(&hr_dev->ib_dev);
-
-	return 0;
+	if (hr_dev->hw->reset)
+		hr_dev->hw->reset(hr_dev, false);
 }
-
-static struct platform_driver hns_roce_driver = {
-	.probe = hns_roce_probe,
-	.remove = hns_roce_remove,
-	.driver = {
-		.name = DRV_NAME,
-		.of_match_table = hns_roce_of_match,
-		.acpi_match_table = ACPI_PTR(hns_roce_acpi_match),
-	},
-};
-
-module_platform_driver(hns_roce_driver);
+EXPORT_SYMBOL_GPL(hns_roce_exit);
 
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_AUTHOR("Wei Hu <xavier.huwei@huawei.com>");
diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
index e387360..ed35713 100644
--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -47,6 +47,7 @@ unsigned long key_to_hw_index(u32 key)
 {
 	return (key << 24) | (key >> 8);
 }
+EXPORT_SYMBOL_GPL(key_to_hw_index);
 
 static int hns_roce_sw2hw_mpt(struct hns_roce_dev *hr_dev,
 			      struct hns_roce_cmd_mailbox *mailbox,
@@ -65,6 +66,7 @@ int hns_roce_hw2sw_mpt(struct hns_roce_dev *hr_dev,
 				 mpt_index, !mailbox, HNS_ROCE_CMD_HW2SW_MPT,
 				 HNS_ROCE_CMD_TIMEOUT_MSECS);
 }
+EXPORT_SYMBOL_GPL(hns_roce_hw2sw_mpt);
 
 static int hns_roce_buddy_alloc(struct hns_roce_buddy *buddy, int order,
 				unsigned long *seg)
@@ -233,6 +235,7 @@ void hns_roce_mtt_cleanup(struct hns_roce_dev *hr_dev, struct hns_roce_mtt *mtt)
 	hns_roce_table_put_range(hr_dev, &mr_table->mtt_table, mtt->first_seg,
 				 mtt->first_seg + (1 << mtt->order) - 1);
 }
+EXPORT_SYMBOL_GPL(hns_roce_mtt_cleanup);
 
 static int hns_roce_mr_alloc(struct hns_roce_dev *hr_dev, u32 pd, u64 iova,
 			     u64 size, u32 access, int npages,
diff --git a/drivers/infiniband/hw/hns/hns_roce_pd.c b/drivers/infiniband/hw/hns/hns_roce_pd.c
index a64500f..ffbf249 100644
--- a/drivers/infiniband/hw/hns/hns_roce_pd.c
+++ b/drivers/infiniband/hw/hns/hns_roce_pd.c
@@ -86,6 +86,7 @@ struct ib_pd *hns_roce_alloc_pd(struct ib_device *ib_dev,
 
 	return &pd->ibpd;
 }
+EXPORT_SYMBOL_GPL(hns_roce_alloc_pd);
 
 int hns_roce_dealloc_pd(struct ib_pd *pd)
 {
@@ -94,6 +95,7 @@ int hns_roce_dealloc_pd(struct ib_pd *pd)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(hns_roce_dealloc_pd);
 
 int hns_roce_uar_alloc(struct hns_roce_dev *hr_dev, struct hns_roce_uar *uar)
 {
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index f5dd21c..ad13d05 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -136,6 +136,7 @@ enum hns_roce_qp_state to_hns_roce_state(enum ib_qp_state state)
 		return HNS_ROCE_QP_NUM_STATE;
 	}
 }
+EXPORT_SYMBOL_GPL(to_hns_roce_state);
 
 static int hns_roce_gsi_qp_alloc(struct hns_roce_dev *hr_dev, unsigned long qpn,
 				 struct hns_roce_qp *hr_qp)
@@ -227,6 +228,7 @@ void hns_roce_qp_remove(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
 			  hr_qp->qpn & (hr_dev->caps.num_qps - 1));
 	spin_unlock_irqrestore(&qp_table->lock, flags);
 }
+EXPORT_SYMBOL_GPL(hns_roce_qp_remove);
 
 void hns_roce_qp_free(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
 {
@@ -241,6 +243,7 @@ void hns_roce_qp_free(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
 		hns_roce_table_put(hr_dev, &qp_table->qp_table, hr_qp->qpn);
 	}
 }
+EXPORT_SYMBOL_GPL(hns_roce_qp_free);
 
 void hns_roce_release_range_qp(struct hns_roce_dev *hr_dev, int base_qpn,
 			       int cnt)
@@ -252,6 +255,7 @@ void hns_roce_release_range_qp(struct hns_roce_dev *hr_dev, int base_qpn,
 
 	hns_roce_bitmap_free_range(&qp_table->bitmap, base_qpn, cnt, BITMAP_RR);
 }
+EXPORT_SYMBOL_GPL(hns_roce_release_range_qp);
 
 static int hns_roce_set_rq_size(struct hns_roce_dev *hr_dev,
 				struct ib_qp_cap *cap, int is_user, int has_srq,
@@ -629,6 +633,7 @@ struct ib_qp *hns_roce_create_qp(struct ib_pd *pd,
 
 	return &hr_qp->ibqp;
 }
+EXPORT_SYMBOL_GPL(hns_roce_create_qp);
 
 int to_hr_qp_type(int qp_type)
 {
@@ -647,6 +652,7 @@ int to_hr_qp_type(int qp_type)
 
 	return transport_type;
 }
+EXPORT_SYMBOL_GPL(to_hr_qp_type);
 
 int hns_roce_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 		       int attr_mask, struct ib_udata *udata)
@@ -745,6 +751,7 @@ void hns_roce_lock_cqs(struct hns_roce_cq *send_cq, struct hns_roce_cq *recv_cq)
 		spin_lock_nested(&send_cq->lock, SINGLE_DEPTH_NESTING);
 	}
 }
+EXPORT_SYMBOL_GPL(hns_roce_lock_cqs);
 
 void hns_roce_unlock_cqs(struct hns_roce_cq *send_cq,
 			 struct hns_roce_cq *recv_cq) __releases(&send_cq->lock)
@@ -761,6 +768,7 @@ void hns_roce_unlock_cqs(struct hns_roce_cq *send_cq,
 		spin_unlock_irq(&recv_cq->lock);
 	}
 }
+EXPORT_SYMBOL_GPL(hns_roce_unlock_cqs);
 
 __be32 send_ieth(struct ib_send_wr *wr)
 {
@@ -774,6 +782,7 @@ __be32 send_ieth(struct ib_send_wr *wr)
 		return 0;
 	}
 }
+EXPORT_SYMBOL_GPL(send_ieth);
 
 static void *get_wqe(struct hns_roce_qp *hr_qp, int offset)
 {
@@ -785,11 +794,13 @@ void *get_recv_wqe(struct hns_roce_qp *hr_qp, int n)
 {
 	return get_wqe(hr_qp, hr_qp->rq.offset + (n << hr_qp->rq.wqe_shift));
 }
+EXPORT_SYMBOL_GPL(get_recv_wqe);
 
 void *get_send_wqe(struct hns_roce_qp *hr_qp, int n)
 {
 	return get_wqe(hr_qp, hr_qp->sq.offset + (n << hr_qp->sq.wqe_shift));
 }
+EXPORT_SYMBOL_GPL(get_send_wqe);
 
 bool hns_roce_wq_overflow(struct hns_roce_wq *hr_wq, int nreq,
 			  struct ib_cq *ib_cq)
@@ -808,6 +819,7 @@ bool hns_roce_wq_overflow(struct hns_roce_wq *hr_wq, int nreq,
 
 	return cur + nreq >= hr_wq->max_post;
 }
+EXPORT_SYMBOL_GPL(hns_roce_wq_overflow);
 
 int hns_roce_init_qp_table(struct hns_roce_dev *hr_dev)
 {
