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net: eth-uclass: add function eth_start_udev()

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Add a function to start a given network device, and update eth_init()
to use it.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Jerome Forissier 2024-10-16 12:04:01 +02:00 • committed by Tom Rini
parent 1d5d292b79
commit 7ad5e878cd
2 changed files with 26 additions and 13 deletions
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1
include/net-common.h
View file

@ -192,6 +192,7 @@ int eth_env_set_enetaddr_by_index(const char *base_name, int index,
int usb_ether_init(void);
int eth_init(void); /* Initialize the device */
int eth_start_udev(struct udevice *dev); /* ->start() if not already running */
int eth_send(void *packet, int length); /* Send a packet */
#if defined(CONFIG_API) || defined(CONFIG_EFI_LOADER)
int eth_receive(void *packet, int length); /* Receive a packet*/

38
net/eth-uclass.c
View file

@ -284,6 +284,27 @@ static int on_ethaddr(const char *name, const char *value, enum env_op op,
}
U_BOOT_ENV_CALLBACK(ethaddr, on_ethaddr);
int eth_start_udev(struct udevice *dev)
{
struct eth_device_priv *priv = dev_get_uclass_priv(dev);
int ret;
if (priv->running)
return 0;
if (!device_active(dev))
return -EINVAL;
ret = eth_get_ops(dev)->start(dev);
if (ret < 0)
return ret;
priv->state = ETH_STATE_ACTIVE;
priv->running = true;
return 0;
}
int eth_init(void)
{
struct udevice *current = NULL;
@ -328,20 +349,11 @@ int eth_init(void)
if (current) {
debug("Trying %s\n", current->name);
if (device_active(current)) {
ret = eth_get_ops(current)->start(current);
if (ret >= 0) {
struct eth_device_priv *priv =
dev_get_uclass_priv(current);
priv->state = ETH_STATE_ACTIVE;
priv->running = true;
ret = 0;
goto end;
}
} else {
ret = eth_start_udev(current);
if (ret < 0)
ret = eth_errno;
}
else
break;
debug("FAIL\n");
} else {