[PATCH 33/41] usb: eth: asix: Remove non-DM_ETH code

Tom Rini
2022-11-27T15:31:15Z

As DM_ETH is required for all network drivers, it's now safe to remove
the non-DM_ETH support code.

Signed-off-by: Tom Rini <trini@konsulko.com>
---
drivers/usb/eth/asix.c | 255 -----------------------------------------
1 file changed, 255 deletions(-)

diff --git a/drivers/usb/eth/asix.c b/drivers/usb/eth/asix.c
index 674f78e214dc..26dd312b7d06 100644
--- a/drivers/usb/eth/asix.c
+++ b/drivers/usb/eth/asix.c
@@ -101,16 +101,9 @@
/* driver private */
struct asix_private {
int flags;
-#ifdef CONFIG_DM_ETH
struct ueth_data ueth;
-#endif
};

-#ifndef CONFIG_DM_ETH
-/* local vars */
-static int curr_eth_dev; /* index for name of next device detected */
-#endif
-
/*
* Asix infrastructure commands
*/
@@ -494,253 +487,6 @@ static int asix_send_common(struct ueth_data *dev, void *packet, int length)
return err;
}

-#ifndef CONFIG_DM_ETH
-/*
- * Asix callbacks
- */
-static int asix_init(struct eth_device *eth, struct bd_info *bd)
-{
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
-
- return asix_init_common(dev, eth->enetaddr);
-}
-
-static int asix_send(struct eth_device *eth, void *packet, int length)
-{
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
-
- return asix_send_common(dev, packet, length);
-}
-
-static int asix_recv(struct eth_device *eth)
-{
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
- ALLOC_CACHE_ALIGN_BUFFER(unsigned char, recv_buf, AX_RX_URB_SIZE);
- unsigned char *buf_ptr;
- int err;
- int actual_len;
- u32 packet_len;
-
- debug("** %s()\n", __func__);
-
- err = usb_bulk_msg(dev->pusb_dev,
- usb_rcvbulkpipe(dev->pusb_dev, dev->ep_in),
- (void *)recv_buf,
- AX_RX_URB_SIZE,
- &actual_len,
- USB_BULK_RECV_TIMEOUT);
- debug("Rx: len = %u, actual = %u, err = %d\n", AX_RX_URB_SIZE,
- actual_len, err);
- if (err != 0) {
- debug("Rx: failed to receive\n");
- return -1;
- }
- if (actual_len > AX_RX_URB_SIZE) {
- debug("Rx: received too many bytes %d\n", actual_len);
- return -1;
- }
-
- buf_ptr = recv_buf;
- while (actual_len > 0) {
- /*
- * 1st 4 bytes contain the length of the actual data as two
- * complementary 16-bit words. Extract the length of the data.
- */
- if (actual_len < sizeof(packet_len)) {
- debug("Rx: incomplete packet length\n");
- return -1;
- }
- memcpy(&packet_len, buf_ptr, sizeof(packet_len));
- le32_to_cpus(&packet_len);
- if (((~packet_len >> 16) & 0x7ff) != (packet_len & 0x7ff)) {
- debug("Rx: malformed packet length: %#x (%#x:%#x)\n",
- packet_len, (~packet_len >> 16) & 0x7ff,
- packet_len & 0x7ff);
- return -1;
- }
- packet_len = packet_len & 0x7ff;
- if (packet_len > actual_len - sizeof(packet_len)) {
- debug("Rx: too large packet: %d\n", packet_len);
- return -1;
- }
-
- /* Notify net stack */
- net_process_received_packet(buf_ptr + sizeof(packet_len),
- packet_len);
-
- /* Adjust for next iteration. Packets are padded to 16-bits */
- if (packet_len & 1)
- packet_len++;
- actual_len -= sizeof(packet_len) + packet_len;
- buf_ptr += sizeof(packet_len) + packet_len;
- }
-
- return err;
-}
-
-static void asix_halt(struct eth_device *eth)
-{
- debug("** %s()\n", __func__);
-}
-
-static int asix_write_hwaddr(struct eth_device *eth)
-{
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
-
- return asix_write_hwaddr_common(dev, eth->enetaddr);
-}
-
-/*
- * Asix probing functions
- */
-void asix_eth_before_probe(void)
-{
- curr_eth_dev = 0;
-}
-
-struct asix_dongle {
- unsigned short vendor;
- unsigned short product;
- int flags;
-};
-
-static const struct asix_dongle asix_dongles[] = {
- { 0x05ac, 0x1402, FLAG_TYPE_AX88772 }, /* Apple USB Ethernet Adapter */
- { 0x07d1, 0x3c05, FLAG_TYPE_AX88772 }, /* D-Link DUB-E100 H/W Ver B1 */
- { 0x2001, 0x1a02, FLAG_TYPE_AX88772 }, /* D-Link DUB-E100 H/W Ver C1 */
- /* Cables-to-Go USB Ethernet Adapter */
- { 0x0b95, 0x772a, FLAG_TYPE_AX88772 },
- { 0x0b95, 0x7720, FLAG_TYPE_AX88772 }, /* Trendnet TU2-ET100 V3.0R */
- { 0x0b95, 0x1720, FLAG_TYPE_AX88172 }, /* SMC */
- { 0x0db0, 0xa877, FLAG_TYPE_AX88772 }, /* MSI - ASIX 88772a */
- { 0x13b1, 0x0018, FLAG_TYPE_AX88172 }, /* Linksys 200M v2.1 */
- { 0x1557, 0x7720, FLAG_TYPE_AX88772 }, /* 0Q0 cable ethernet */
- /* DLink DUB-E100 H/W Ver B1 Alternate */
- { 0x2001, 0x3c05, FLAG_TYPE_AX88772 },
- /* ASIX 88772B */
- { 0x0b95, 0x772b, FLAG_TYPE_AX88772B | FLAG_EEPROM_MAC },
- { 0x0b95, 0x7e2b, FLAG_TYPE_AX88772B },
- { 0x0000, 0x0000, FLAG_NONE } /* END - Do not remove */
-};
-
-/* Probe to see if a new device is actually an asix device */
-int asix_eth_probe(struct usb_device *dev, unsigned int ifnum,
- struct ueth_data *ss)
-{
- struct usb_interface *iface;
- struct usb_interface_descriptor *iface_desc;
- int ep_in_found = 0, ep_out_found = 0;
- int i;
-
- /* let's examine the device now */
- iface = &dev->config.if_desc[ifnum];
- iface_desc = &dev->config.if_desc[ifnum].desc;
-
- for (i = 0; asix_dongles[i].vendor != 0; i++) {
- if (dev->descriptor.idVendor == asix_dongles[i].vendor &&
- dev->descriptor.idProduct == asix_dongles[i].product)
- /* Found a supported dongle */
- break;
- }
-
- if (asix_dongles[i].vendor == 0)
- return 0;
-
- memset(ss, 0, sizeof(struct ueth_data));
-
- /* At this point, we know we've got a live one */
- debug("\n\nUSB Ethernet device detected: %#04x:%#04x\n",
- dev->descriptor.idVendor, dev->descriptor.idProduct);
-
- /* Initialize the ueth_data structure with some useful info */
- ss->ifnum = ifnum;
- ss->pusb_dev = dev;
- ss->subclass = iface_desc->bInterfaceSubClass;
- ss->protocol = iface_desc->bInterfaceProtocol;
-
- /* alloc driver private */
- ss->dev_priv = calloc(1, sizeof(struct asix_private));
- if (!ss->dev_priv)
- return 0;
-
- ((struct asix_private *)ss->dev_priv)->flags = asix_dongles[i].flags;
-
- /*
- * We are expecting a minimum of 3 endpoints - in, out (bulk), and
- * int. We will ignore any others.
- */
- for (i = 0; i < iface_desc->bNumEndpoints; i++) {
- /* is it an BULK endpoint? */
- if ((iface->ep_desc[i].bmAttributes &
- USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) {
- u8 ep_addr = iface->ep_desc[i].bEndpointAddress;
- if (ep_addr & USB_DIR_IN) {
- if (!ep_in_found) {
- ss->ep_in = ep_addr &
- USB_ENDPOINT_NUMBER_MASK;
- ep_in_found = 1;
- }
- } else {
- if (!ep_out_found) {
- ss->ep_out = ep_addr &
- USB_ENDPOINT_NUMBER_MASK;
- ep_out_found = 1;
- }
- }
- }
-
- /* is it an interrupt endpoint? */
- if ((iface->ep_desc[i].bmAttributes &
- USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) {
- ss->ep_int = iface->ep_desc[i].bEndpointAddress &
- USB_ENDPOINT_NUMBER_MASK;
- ss->irqinterval = iface->ep_desc[i].bInterval;
- }
- }
- debug("Endpoints In %d Out %d Int %d\n",
- ss->ep_in, ss->ep_out, ss->ep_int);
-
- /* Do some basic sanity checks, and bail if we find a problem */
- if (usb_set_interface(dev, iface_desc->bInterfaceNumber, 0) ||
- !ss->ep_in || !ss->ep_out || !ss->ep_int) {
- debug("Problems with device\n");
- return 0;
- }
- dev->privptr = (void *)ss;
- return 1;
-}
-
-int asix_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
- struct eth_device *eth)
-{
- struct asix_private *priv = (struct asix_private *)ss->dev_priv;
-
- if (!eth) {
- debug("%s: missing parameter.\n", __func__);
- return 0;
- }
- sprintf(eth->name, "%s%d", ASIX_BASE_NAME, curr_eth_dev++);
- eth->init = asix_init;
- eth->send = asix_send;
- eth->recv = asix_recv;
- eth->halt = asix_halt;
- if (!(priv->flags & FLAG_TYPE_AX88172))
- eth->write_hwaddr = asix_write_hwaddr;
- eth->priv = ss;
-
- if (asix_basic_reset(ss))
- return 0;
-
- /* Get the MAC address */
- if (asix_read_mac_common(ss, priv, eth->enetaddr))
- return 0;
- debug("MAC %pM\n", eth->enetaddr);
-
- return 1;
-}
-#endif
-
-#ifdef CONFIG_DM_ETH
static int asix_eth_start(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_plat(dev);
@@ -909,4 +655,3 @@ static const struct usb_device_id asix_eth_id_table[] = {
};

U_BOOT_USB_DEVICE(asix_eth, asix_eth_id_table);
-#endif
--
2.25.1