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https://github.com/AsahiLinux/u-boot
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usb: eth: Remove non-DM_ETH code
As DM_ETH is required for all network drivers, it's now safe to remove the non-DM_ETH support code fro usb_ether itself. Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Tom Rini
parent
0a9cbd4f3c
commit
b8daa6e9ee
4 changed files with 1 additions and 300 deletions
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@ -15,8 +15,6 @@
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#include "usb_ether.h"
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#ifdef CONFIG_DM_ETH
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#define USB_BULK_RECV_TIMEOUT 500
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int usb_ether_register(struct udevice *dev, struct ueth_data *ueth, int rxsize)
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@ -137,200 +135,3 @@ int usb_ether_get_rx_bytes(struct ueth_data *ueth, uint8_t **ptrp)
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return ueth->rxlen - ueth->rxptr;
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}
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#else
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typedef void (*usb_eth_before_probe)(void);
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typedef int (*usb_eth_probe)(struct usb_device *dev, unsigned int ifnum,
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struct ueth_data *ss);
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typedef int (*usb_eth_get_info)(struct usb_device *dev, struct ueth_data *ss,
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struct eth_device *dev_desc);
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struct usb_eth_prob_dev {
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usb_eth_before_probe before_probe; /* optional */
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usb_eth_probe probe;
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usb_eth_get_info get_info;
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};
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/* driver functions go here, each bracketed by #ifdef CONFIG_USB_ETHER_xxx */
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static const struct usb_eth_prob_dev prob_dev[] = {
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#ifdef CONFIG_USB_ETHER_ASIX
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{
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.before_probe = asix_eth_before_probe,
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.probe = asix_eth_probe,
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.get_info = asix_eth_get_info,
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},
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#endif
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#ifdef CONFIG_USB_ETHER_ASIX88179
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{
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.before_probe = ax88179_eth_before_probe,
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.probe = ax88179_eth_probe,
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.get_info = ax88179_eth_get_info,
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},
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#endif
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#ifdef CONFIG_USB_ETHER_MCS7830
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{
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.before_probe = mcs7830_eth_before_probe,
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.probe = mcs7830_eth_probe,
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.get_info = mcs7830_eth_get_info,
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},
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#endif
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#ifdef CONFIG_USB_ETHER_SMSC95XX
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{
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.before_probe = smsc95xx_eth_before_probe,
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.probe = smsc95xx_eth_probe,
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.get_info = smsc95xx_eth_get_info,
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},
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#endif
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#ifdef CONFIG_USB_ETHER_RTL8152
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{
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.before_probe = r8152_eth_before_probe,
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.probe = r8152_eth_probe,
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.get_info = r8152_eth_get_info,
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},
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#endif
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{ }, /* END */
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};
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static int usb_max_eth_dev; /* number of highest available usb eth device */
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static struct ueth_data usb_eth[USB_MAX_ETH_DEV];
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/*******************************************************************************
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* tell if current ethernet device is a usb dongle
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*/
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int is_eth_dev_on_usb_host(void)
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{
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int i;
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struct eth_device *dev = eth_get_dev();
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if (dev) {
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for (i = 0; i < usb_max_eth_dev; i++)
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if (&usb_eth[i].eth_dev == dev)
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return 1;
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}
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return 0;
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}
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/*
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* Given a USB device, ask each driver if it can support it, and attach it
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* to the first driver that says 'yes'
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*/
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static void probe_valid_drivers(struct usb_device *dev)
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{
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struct eth_device *eth;
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int j;
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for (j = 0; prob_dev[j].probe && prob_dev[j].get_info; j++) {
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if (!prob_dev[j].probe(dev, 0, &usb_eth[usb_max_eth_dev]))
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continue;
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/*
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* ok, it is a supported eth device. Get info and fill it in
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*/
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eth = &usb_eth[usb_max_eth_dev].eth_dev;
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if (prob_dev[j].get_info(dev,
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&usb_eth[usb_max_eth_dev],
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eth)) {
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/* found proper driver */
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/* register with networking stack */
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usb_max_eth_dev++;
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/*
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* usb_max_eth_dev must be incremented prior to this
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* call since eth_current_changed (internally called)
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* relies on it
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*/
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eth_register(eth);
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if (eth_write_hwaddr(eth, "usbeth",
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usb_max_eth_dev - 1))
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puts("Warning: failed to set MAC address\n");
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break;
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}
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}
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}
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/*******************************************************************************
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* scan the usb and reports device info
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* to the user if mode = 1
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* returns current device or -1 if no
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*/
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int usb_host_eth_scan(int mode)
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{
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int i, old_async;
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if (mode == 1)
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printf(" scanning usb for ethernet devices... ");
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old_async = usb_disable_asynch(1); /* asynch transfer not allowed */
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/* unregister a previously detected device */
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for (i = 0; i < usb_max_eth_dev; i++)
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eth_unregister(&usb_eth[i].eth_dev);
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memset(usb_eth, 0, sizeof(usb_eth));
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for (i = 0; prob_dev[i].probe; i++) {
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if (prob_dev[i].before_probe)
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prob_dev[i].before_probe();
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}
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usb_max_eth_dev = 0;
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#if CONFIG_IS_ENABLED(DM_USB)
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/*
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* TODO: We should add U_BOOT_USB_DEVICE() declarations to each USB
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* Ethernet driver and then most of this file can be removed.
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*/
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struct udevice *bus;
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struct uclass *uc;
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int ret;
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ret = uclass_get(UCLASS_USB, &uc);
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if (ret)
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return ret;
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uclass_foreach_dev(bus, uc) {
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for (i = 0; i < USB_MAX_DEVICE; i++) {
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struct usb_device *dev;
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dev = usb_get_dev_index(bus, i); /* get device */
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debug("i=%d, %s\n", i, dev ? dev->dev->name : "(done)");
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if (!dev)
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break; /* no more devices available */
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/*
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* find valid usb_ether driver for this device,
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* if any
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*/
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probe_valid_drivers(dev);
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/* check limit */
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if (usb_max_eth_dev == USB_MAX_ETH_DEV)
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break;
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} /* for */
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}
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#else
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for (i = 0; i < USB_MAX_DEVICE; i++) {
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struct usb_device *dev;
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dev = usb_get_dev_index(i); /* get device */
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debug("i=%d\n", i);
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if (!dev)
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break; /* no more devices available */
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/* find valid usb_ether driver for this device, if any */
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probe_valid_drivers(dev);
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/* check limit */
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if (usb_max_eth_dev == USB_MAX_ETH_DEV)
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break;
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} /* for */
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#endif
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if (usb_max_eth_dev == USB_MAX_ETH_DEV) {
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printf("max USB Ethernet Device reached: %d stopping\n",
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usb_max_eth_dev);
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}
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usb_disable_asynch(old_async); /* restore asynch value */
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printf("%d Ethernet Device(s) found\n", usb_max_eth_dev);
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if (usb_max_eth_dev > 0)
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return 0;
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return -1;
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}
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#endif
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@ -346,49 +346,6 @@ int usb_init(void)
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return usb_started ? 0 : -1;
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}
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/*
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* TODO(sjg@chromium.org): Remove this legacy function. At present it is needed
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* to support boards which use driver model for USB but not Ethernet, and want
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* to use USB Ethernet.
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*
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* The #if clause is here to ensure that remains the only case.
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*/
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#if !defined(CONFIG_DM_ETH) && defined(CONFIG_USB_HOST_ETHER)
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static struct usb_device *find_child_devnum(struct udevice *parent, int devnum)
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{
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struct usb_device *udev;
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struct udevice *dev;
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if (!device_active(parent))
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return NULL;
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udev = dev_get_parent_priv(parent);
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if (udev->devnum == devnum)
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return udev;
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for (device_find_first_child(parent, &dev);
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dev;
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device_find_next_child(&dev)) {
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udev = find_child_devnum(dev, devnum);
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if (udev)
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return udev;
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}
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return NULL;
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}
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struct usb_device *usb_get_dev_index(struct udevice *bus, int index)
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{
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struct udevice *dev;
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int devnum = index + 1; /* Addresses are allocated from 1 on USB */
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device_find_first_child(bus, &dev);
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if (!dev)
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return NULL;
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return find_child_devnum(dev, devnum);
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}
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#endif
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int usb_setup_ehci_gadget(struct ehci_ctrl **ctlrp)
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{
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struct usb_plat *plat;
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@ -808,21 +808,6 @@ struct dm_usb_ops {
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#define usb_get_ops(dev) ((struct dm_usb_ops *)(dev)->driver->ops)
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#define usb_get_emul_ops(dev) ((struct dm_usb_ops *)(dev)->driver->ops)
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/**
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* usb_get_dev_index() - look up a device index number
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*
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* Look up devices using their index number (starting at 0). This works since
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* in U-Boot device addresses are allocated starting at 1 with no gaps.
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*
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* TODO(sjg@chromium.org): Remove this function when usb_ether.c is modified
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* to work better with driver model.
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*
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* @bus: USB bus to check
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* @index: Index number of device to find (0=first). This is just the
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* device address less 1.
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*/
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struct usb_device *usb_get_dev_index(struct udevice *bus, int index);
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/**
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* usb_setup_device() - set up a device ready for use
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*
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@ -8,19 +8,13 @@
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#include <net.h>
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/* TODO(sjg@chromium.org): Remove @pusb_dev when all boards use CONFIG_DM_ETH */
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/* TODO(sjg@chromium.org): Remove @pusb_dev now that all boards use CONFIG_DM_ETH */
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struct ueth_data {
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/* eth info */
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#ifdef CONFIG_DM_ETH
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uint8_t *rxbuf;
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int rxsize;
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int rxlen; /* Total bytes available in rxbuf */
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int rxptr; /* Current position in rxbuf */
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#else
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struct eth_device eth_dev; /* used with eth_register */
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/* driver private */
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void *dev_priv;
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#endif
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int phy_id; /* mii phy id */
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/* usb info */
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@ -34,7 +28,6 @@ struct ueth_data {
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unsigned char irqinterval; /* Intervall for IRQ Pipe */
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};
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#ifdef CONFIG_DM_ETH
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/**
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* usb_ether_register() - register a new USB ethernet device
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*
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@ -92,40 +85,5 @@ int usb_ether_get_rx_bytes(struct ueth_data *ueth, uint8_t **ptrp);
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* @num_bytes: Number of bytes to skip, or -1 to skip all bytes
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*/
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void usb_ether_advance_rxbuf(struct ueth_data *ueth, int num_bytes);
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#else
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/*
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* Function definitions for each USB ethernet driver go here
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* (declaration is unconditional, compilation is conditional)
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*/
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void asix_eth_before_probe(void);
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int asix_eth_probe(struct usb_device *dev, unsigned int ifnum,
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struct ueth_data *ss);
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int asix_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
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struct eth_device *eth);
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void ax88179_eth_before_probe(void);
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int ax88179_eth_probe(struct usb_device *dev, unsigned int ifnum,
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struct ueth_data *ss);
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int ax88179_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
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struct eth_device *eth);
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void mcs7830_eth_before_probe(void);
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int mcs7830_eth_probe(struct usb_device *dev, unsigned int ifnum,
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struct ueth_data *ss);
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int mcs7830_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
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struct eth_device *eth);
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void smsc95xx_eth_before_probe(void);
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int smsc95xx_eth_probe(struct usb_device *dev, unsigned int ifnum,
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struct ueth_data *ss);
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int smsc95xx_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
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struct eth_device *eth);
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void r8152_eth_before_probe(void);
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int r8152_eth_probe(struct usb_device *dev, unsigned int ifnum,
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struct ueth_data *ss);
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int r8152_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
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struct eth_device *eth);
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#endif
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#endif /* __USB_ETHER_H__ */
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