enet is associating with dasf. before this patch, the association is
the same strings between ae-name and dsa-name. in a general way, enet
specifies a reference to dsaf should be a good idea. so this patch
deletes the ae-name in enet, and adds parsing the ae-handle
from DT to set the associating with dsaf.

Signed-off-by: yankejian <yankej...@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns/hnae.c          | 17 +++++++----------
 drivers/net/ethernet/hisilicon/hns/hnae.h          |  7 +++++--
 drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c  |  4 ++++
 drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c | 10 +---------
 drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h |  1 +
 drivers/net/ethernet/hisilicon/hns/hns_enet.c      | 13 +++++++++----
 drivers/net/ethernet/hisilicon/hns/hns_enet.h      |  2 +-
 7 files changed, 28 insertions(+), 26 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c 
b/drivers/net/ethernet/hisilicon/hns/hnae.c
index b364529..3bfe36f 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.c
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.c
@@ -95,21 +95,17 @@ static struct hnae_buf_ops hnae_bops = {
 static int __ae_match(struct device *dev, const void *data)
 {
        struct hnae_ae_dev *hdev = cls_to_ae_dev(dev);
-       const char *ae_id = data;
 
-       if (!strncmp(ae_id, hdev->name, AE_NAME_SIZE))
-               return 1;
-
-       return 0;
+       return hdev->dev->of_node == data;
 }
 
-static struct hnae_ae_dev *find_ae(const char *ae_id)
+static struct hnae_ae_dev *find_ae(const struct device_node *ae_node)
 {
        struct device *dev;
 
-       WARN_ON(!ae_id);
+       WARN_ON(!ae_node);
 
-       dev = class_find_device(hnae_class, NULL, ae_id, __ae_match);
+       dev = class_find_device(hnae_class, NULL, ae_node, __ae_match);
 
        return dev ? cls_to_ae_dev(dev) : NULL;
 }
@@ -316,7 +312,8 @@ EXPORT_SYMBOL(hnae_reinit_handle);
  * return handle ptr or ERR_PTR
  */
 struct hnae_handle *hnae_get_handle(struct device *owner_dev,
-                                   const char *ae_id, u32 port_id,
+                                   const struct device_node *ae_node,
+                                   u32 port_id,
                                    struct hnae_buf_ops *bops)
 {
        struct hnae_ae_dev *dev;
@@ -324,7 +321,7 @@ struct hnae_handle *hnae_get_handle(struct device 
*owner_dev,
        int i, j;
        int ret;
 
-       dev = find_ae(ae_id);
+       dev = find_ae(ae_node);
        if (!dev)
                return ERR_PTR(-ENODEV);
 
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h 
b/drivers/net/ethernet/hisilicon/hns/hnae.h
index d1f3316..0012664 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.h
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.h
@@ -523,8 +523,11 @@ struct hnae_handle {
 
 #define ring_to_dev(ring) ((ring)->q->dev->dev)
 
-struct hnae_handle *hnae_get_handle(struct device *owner_dev, const char 
*ae_id,
-                                   u32 port_id, struct hnae_buf_ops *bops);
+struct hnae_handle *hnae_get_handle(struct device *owner_dev,
+                                   const struct device_node *ae_node,
+                                   u32 port_id,
+                                   struct hnae_buf_ops *bops);
+
 void hnae_put_handle(struct hnae_handle *handle);
 int hnae_ae_register(struct hnae_ae_dev *dev, struct module *owner);
 void hnae_ae_unregister(struct hnae_ae_dev *dev);
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c 
b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
index 77c6edb..ed9a72c 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
@@ -848,6 +848,7 @@ static struct hnae_ae_ops hns_dsaf_ops = {
 int hns_dsaf_ae_init(struct dsaf_device *dsaf_dev)
 {
        struct hnae_ae_dev *ae_dev = &dsaf_dev->ae_dev;
+       static atomic_t id = ATOMIC_INIT(-1);
 
        switch (dsaf_dev->dsaf_ver) {
        case AE_VERSION_1:
@@ -859,6 +860,9 @@ int hns_dsaf_ae_init(struct dsaf_device *dsaf_dev)
        default:
                break;
        }
+
+       snprintf(ae_dev->name, AE_NAME_SIZE, "%s%d", DSAF_DEVICE_NAME,
+                (int)atomic_inc_return(&id));
        ae_dev->ops = &hns_dsaf_ops;
        ae_dev->dev = dsaf_dev->dev;
 
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c 
b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
index 636b205..f3de749 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
@@ -35,7 +35,7 @@ int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev)
        int ret, i;
        u32 desc_num;
        u32 buf_size;
-       const char *name, *mode_str;
+       const char *mode_str;
        struct device_node *np = dsaf_dev->dev->of_node;
 
        if (of_device_is_compatible(np, "hisilicon,hns-dsaf-v1"))
@@ -43,14 +43,6 @@ int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev)
        else
                dsaf_dev->dsaf_ver = AE_VERSION_2;
 
-       ret = of_property_read_string(np, "dsa_name", &name);
-       if (ret) {
-               dev_err(dsaf_dev->dev, "get dsaf name fail, ret=%d!\n", ret);
-               return ret;
-       }
-       strncpy(dsaf_dev->ae_dev.name, name, AE_NAME_SIZE);
-       dsaf_dev->ae_dev.name[AE_NAME_SIZE - 1] = '\0';
-
        ret = of_property_read_string(np, "mode", &mode_str);
        if (ret) {
                dev_err(dsaf_dev->dev, "get dsaf mode fail, ret=%d!\n", ret);
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h 
b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h
index 31c312f..40205b9 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h
@@ -18,6 +18,7 @@ struct hns_mac_cb;
 
 #define DSAF_DRV_NAME "hns_dsaf"
 #define DSAF_MOD_VERSION "v1.0"
+#define DSAF_DEVICE_NAME "dsaf"
 
 #define HNS_DSAF_DEBUG_NW_REG_OFFSET 0x100000
 
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c 
b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index cad2663..33b9aab 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -1778,7 +1778,7 @@ static int hns_nic_try_get_ae(struct net_device *ndev)
        int ret;
 
        h = hnae_get_handle(&priv->netdev->dev,
-                           priv->ae_name, priv->port_id, NULL);
+                           priv->ae_node, priv->port_id, NULL);
        if (IS_ERR_OR_NULL(h)) {
                ret = PTR_ERR(h);
                dev_dbg(priv->dev, "has not handle, register notifier!\n");
@@ -1856,9 +1856,12 @@ static int hns_nic_dev_probe(struct platform_device 
*pdev)
        else
                priv->enet_ver = AE_VERSION_2;
 
-       ret = of_property_read_string(node, "ae-name", &priv->ae_name);
-       if (ret)
-               goto out_read_string_fail;
+       priv->ae_node = (void *)of_parse_phandle(node, "ae-handle", 0);
+       if (IS_ERR_OR_NULL(priv->ae_node)) {
+               ret = PTR_ERR(priv->ae_node);
+               dev_err(dev, "not find ae-handle\n");
+               goto out_read_handle_fai;
+       }
 
        ret = of_property_read_u32(node, "port-id", &priv->port_id);
        if (ret)
@@ -1921,6 +1924,8 @@ static int hns_nic_dev_probe(struct platform_device *pdev)
 
 out_notify_fail:
        (void)cancel_work_sync(&priv->service_task);
+out_read_handle_fai:
+
 out_read_string_fail:
        free_netdev(ndev);
        return ret;
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.h 
b/drivers/net/ethernet/hisilicon/hns/hns_enet.h
index 4b75270..c68ab3d 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.h
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.h
@@ -51,7 +51,7 @@ struct hns_nic_ops {
 };
 
 struct hns_nic_priv {
-       const char *ae_name;
+       const struct device_node *ae_node;
        u32 enet_ver;
        u32 port_id;
        int phy_mode;
-- 
1.9.1

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