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-rw-r--r--drivers/usb/gadget/ether.c97
1 files changed, 52 insertions, 45 deletions
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 2040b5b508..5ff06d3814 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -2281,49 +2281,8 @@ static int usb_eth_start(struct udevice *udev)
struct eth_dev *dev = &priv->ethdev;
struct usb_gadget *gadget;
unsigned long ts;
- int ret;
unsigned long timeout = USB_CONNECT_TIMEOUT;
- ret = usb_gadget_initialize(0);
- if (ret)
- return ret;
-
- /* Configure default mac-addresses for the USB ethernet device */
-#ifdef CONFIG_USBNET_DEV_ADDR
- strlcpy(dev_addr, CONFIG_USBNET_DEV_ADDR, sizeof(dev_addr));
-#endif
-#ifdef CONFIG_USBNET_HOST_ADDR
- strlcpy(host_addr, CONFIG_USBNET_HOST_ADDR, sizeof(host_addr));
-#endif
- /* Check if the user overruled the MAC addresses */
- if (env_get("usbnet_devaddr"))
- strlcpy(dev_addr, env_get("usbnet_devaddr"),
- sizeof(dev_addr));
-
- if (env_get("usbnet_hostaddr"))
- strlcpy(host_addr, env_get("usbnet_hostaddr"),
- sizeof(host_addr));
-
- if (!is_eth_addr_valid(dev_addr)) {
- pr_err("Need valid 'usbnet_devaddr' to be set");
- goto fail;
- }
- if (!is_eth_addr_valid(host_addr)) {
- pr_err("Need valid 'usbnet_hostaddr' to be set");
- goto fail;
- }
-
- priv->eth_driver.speed = DEVSPEED;
- priv->eth_driver.bind = eth_bind;
- priv->eth_driver.unbind = eth_unbind;
- priv->eth_driver.setup = eth_setup;
- priv->eth_driver.reset = eth_disconnect;
- priv->eth_driver.disconnect = eth_disconnect;
- priv->eth_driver.suspend = eth_suspend;
- priv->eth_driver.resume = eth_resume;
- if (usb_gadget_register_driver(&priv->eth_driver) < 0)
- goto fail;
-
dev->network_started = 0;
packet_received = 0;
@@ -2450,9 +2409,6 @@ static void usb_eth_stop(struct udevice *udev)
usb_gadget_handle_interrupts(0);
dev->network_started = 0;
}
-
- usb_gadget_unregister_driver(&priv->eth_driver);
- usb_gadget_release(0);
}
static int usb_eth_recv(struct udevice *dev, int flags, uchar **packetp)
@@ -2511,7 +2467,7 @@ int usb_ether_init(void)
return ret;
}
- return 0;
+ return usb_gadget_initialize(0);
}
static int usb_eth_probe(struct udevice *dev)
@@ -2525,6 +2481,55 @@ static int usb_eth_probe(struct udevice *dev)
get_ether_addr(CONFIG_USBNET_DEV_ADDR, pdata->enetaddr);
eth_env_set_enetaddr("usbnet_devaddr", pdata->enetaddr);
+ /* Configure default mac-addresses for the USB ethernet device */
+#ifdef CONFIG_USBNET_DEV_ADDR
+ strlcpy(dev_addr, CONFIG_USBNET_DEV_ADDR, sizeof(dev_addr));
+#endif
+#ifdef CONFIG_USBNET_HOST_ADDR
+ strlcpy(host_addr, CONFIG_USBNET_HOST_ADDR, sizeof(host_addr));
+#endif
+ /* Check if the user overruled the MAC addresses */
+ if (env_get("usbnet_devaddr"))
+ strlcpy(dev_addr, env_get("usbnet_devaddr"),
+ sizeof(dev_addr));
+
+ if (env_get("usbnet_hostaddr"))
+ strlcpy(host_addr, env_get("usbnet_hostaddr"),
+ sizeof(host_addr));
+
+ if (!is_eth_addr_valid(dev_addr)) {
+ pr_err("Need valid 'usbnet_devaddr' to be set");
+ return -EINVAL;
+ }
+ if (!is_eth_addr_valid(host_addr)) {
+ pr_err("Need valid 'usbnet_hostaddr' to be set");
+ return -EINVAL;
+ }
+
+ priv->eth_driver.speed = DEVSPEED;
+ priv->eth_driver.bind = eth_bind;
+ priv->eth_driver.unbind = eth_unbind;
+ priv->eth_driver.setup = eth_setup;
+ priv->eth_driver.reset = eth_disconnect;
+ priv->eth_driver.disconnect = eth_disconnect;
+ priv->eth_driver.suspend = eth_suspend;
+ priv->eth_driver.resume = eth_resume;
+ return usb_gadget_register_driver(&priv->eth_driver);
+}
+
+static int usb_eth_remove(struct udevice *dev)
+{
+ struct ether_priv *priv = dev_get_priv(dev);
+
+ usb_gadget_unregister_driver(&priv->eth_driver);
+
+ return 0;
+}
+
+static int usb_eth_unbind(struct udevice *dev)
+{
+ usb_gadget_release(0);
+
return 0;
}
@@ -2532,6 +2537,8 @@ U_BOOT_DRIVER(eth_usb) = {
.name = "usb_ether",
.id = UCLASS_ETH,
.probe = usb_eth_probe,
+ .remove = usb_eth_remove,
+ .unbind = usb_eth_unbind,
.ops = &usb_eth_ops,
.priv_auto = sizeof(struct ether_priv),
.plat_auto = sizeof(struct eth_pdata),