eal: remove dependency on vdev in attach

We can call bus->plug() to avoid calling rte_vdev_init() explicitly.

Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>

diff --git a/lib/librte_eal/common/eal_common_dev.c b/lib/librte_eal/common/eal_common_dev.c
index e251275..dda8f58 100644 (file)
--- a/lib/librte_eal/common/eal_common_dev.c
+++ b/lib/librte_eal/common/eal_common_dev.c
@@ -67,7 +67,6 @@ static int cmp_dev_name(const struct rte_device *dev, const void *_name)
 int rte_eal_dev_attach(const char *name, const char *devargs)
 {
        struct rte_bus *bus;
-       int ret;
 
        if (name == NULL || devargs == NULL) {
                RTE_LOG(ERR, EAL, "Invalid device or arguments provided\n");
@@ -80,22 +79,13 @@ int rte_eal_dev_attach(const char *name, const char *devargs)
                        name);
                return -EINVAL;
        }
-       if (strcmp(bus->name, "pci") == 0)
-               return rte_eal_hotplug_add("pci", name, devargs);
-       if (strcmp(bus->name, "vdev") != 0) {
-               RTE_LOG(ERR, EAL, "Device attach is only supported for PCI and vdev devices.\n");
-               return -ENOTSUP;
-       }
+       if (strcmp(bus->name, "pci") == 0 || strcmp(bus->name, "vdev") == 0)
+               return rte_eal_hotplug_add(bus->name, name, devargs);
 
-       /*
-        * If we haven't found a bus device the user meant to "hotplug" a
-        * virtual device instead.
-        */
-       ret = rte_vdev_init(name, devargs);
-       if (ret)
-               RTE_LOG(ERR, EAL, "Driver cannot attach the device (%s)\n",
-                       name);
-       return ret;
+       RTE_LOG(ERR, EAL,
+               "Device attach is only supported for PCI and vdev devices.\n");
+
+       return -ENOTSUP;
 }
 
 int rte_eal_dev_detach(struct rte_device *dev)