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Commit | Line | Data |
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2a36d708 AB |
1 | /* |
2 | * MosChips MCS7830 based USB 2.0 Ethernet Devices | |
3 | * | |
4 | * based on usbnet.c, asix.c and the vendor provided mcs7830 driver | |
5 | * | |
6 | * Copyright (C) 2006 Arnd Bergmann <arnd@arndb.de> | |
7 | * Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com> | |
8 | * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net> | |
9 | * Copyright (c) 2002-2003 TiVo Inc. | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; either version 2 of the License, or | |
14 | * (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
24 | */ | |
25 | ||
26 | #include <linux/crc32.h> | |
27 | #include <linux/etherdevice.h> | |
28 | #include <linux/ethtool.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/mii.h> | |
31 | #include <linux/module.h> | |
32 | #include <linux/netdevice.h> | |
33 | #include <linux/usb.h> | |
34 | ||
35 | #include "usbnet.h" | |
36 | ||
37 | /* requests */ | |
38 | #define MCS7830_RD_BMREQ (USB_DIR_IN | USB_TYPE_VENDOR | \ | |
39 | USB_RECIP_DEVICE) | |
40 | #define MCS7830_WR_BMREQ (USB_DIR_OUT | USB_TYPE_VENDOR | \ | |
41 | USB_RECIP_DEVICE) | |
42 | #define MCS7830_RD_BREQ 0x0E | |
43 | #define MCS7830_WR_BREQ 0x0D | |
44 | ||
45 | #define MCS7830_CTRL_TIMEOUT 1000 | |
46 | #define MCS7830_MAX_MCAST 64 | |
47 | ||
48 | #define MCS7830_VENDOR_ID 0x9710 | |
49 | #define MCS7830_PRODUCT_ID 0x7830 | |
50 | ||
51 | #define MCS7830_MII_ADVERTISE (ADVERTISE_PAUSE_CAP | ADVERTISE_100FULL | \ | |
52 | ADVERTISE_100HALF | ADVERTISE_10FULL | \ | |
53 | ADVERTISE_10HALF | ADVERTISE_CSMA) | |
54 | ||
55 | /* HIF_REG_XX coressponding index value */ | |
56 | enum { | |
57 | HIF_REG_MULTICAST_HASH = 0x00, | |
58 | HIF_REG_PACKET_GAP1 = 0x08, | |
59 | HIF_REG_PACKET_GAP2 = 0x09, | |
60 | HIF_REG_PHY_DATA = 0x0a, | |
61 | HIF_REG_PHY_CMD1 = 0x0c, | |
62 | HIF_REG_PHY_CMD1_READ = 0x40, | |
63 | HIF_REG_PHY_CMD1_WRITE = 0x20, | |
64 | HIF_REG_PHY_CMD1_PHYADDR = 0x01, | |
65 | HIF_REG_PHY_CMD2 = 0x0d, | |
66 | HIF_REG_PHY_CMD2_PEND_FLAG_BIT = 0x80, | |
67 | HIF_REG_PHY_CMD2_READY_FLAG_BIT = 0x40, | |
68 | HIF_REG_CONFIG = 0x0e, | |
69 | HIF_REG_CONFIG_CFG = 0x80, | |
70 | HIF_REG_CONFIG_SPEED100 = 0x40, | |
71 | HIF_REG_CONFIG_FULLDUPLEX_ENABLE = 0x20, | |
72 | HIF_REG_CONFIG_RXENABLE = 0x10, | |
73 | HIF_REG_CONFIG_TXENABLE = 0x08, | |
74 | HIF_REG_CONFIG_SLEEPMODE = 0x04, | |
75 | HIF_REG_CONFIG_ALLMULTICAST = 0x02, | |
76 | HIF_REG_CONFIG_PROMISCIOUS = 0x01, | |
77 | HIF_REG_ETHERNET_ADDR = 0x0f, | |
78 | HIF_REG_22 = 0x15, | |
79 | HIF_REG_PAUSE_THRESHOLD = 0x16, | |
80 | HIF_REG_PAUSE_THRESHOLD_DEFAULT = 0, | |
81 | }; | |
82 | ||
83 | struct mcs7830_data { | |
84 | u8 multi_filter[8]; | |
85 | u8 config; | |
86 | }; | |
87 | ||
88 | static const char driver_name[] = "MOSCHIP usb-ethernet driver"; | |
89 | ||
90 | static int mcs7830_get_reg(struct usbnet *dev, u16 index, u16 size, void *data) | |
91 | { | |
92 | struct usb_device *xdev = dev->udev; | |
93 | int ret; | |
94 | ||
95 | ret = usb_control_msg(xdev, usb_rcvctrlpipe(xdev, 0), MCS7830_RD_BREQ, | |
96 | MCS7830_RD_BMREQ, 0x0000, index, data, | |
1d39da3d | 97 | size, MCS7830_CTRL_TIMEOUT); |
2a36d708 AB |
98 | return ret; |
99 | } | |
100 | ||
101 | static int mcs7830_set_reg(struct usbnet *dev, u16 index, u16 size, void *data) | |
102 | { | |
103 | struct usb_device *xdev = dev->udev; | |
104 | int ret; | |
105 | ||
106 | ret = usb_control_msg(xdev, usb_sndctrlpipe(xdev, 0), MCS7830_WR_BREQ, | |
107 | MCS7830_WR_BMREQ, 0x0000, index, data, | |
1d39da3d | 108 | size, MCS7830_CTRL_TIMEOUT); |
2a36d708 AB |
109 | return ret; |
110 | } | |
111 | ||
112 | static void mcs7830_async_cmd_callback(struct urb *urb) | |
113 | { | |
114 | struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context; | |
115 | ||
116 | if (urb->status < 0) | |
898eb71c JP |
117 | printk(KERN_DEBUG "%s() failed with %d\n", |
118 | __FUNCTION__, urb->status); | |
2a36d708 AB |
119 | |
120 | kfree(req); | |
121 | usb_free_urb(urb); | |
122 | } | |
123 | ||
124 | static void mcs7830_set_reg_async(struct usbnet *dev, u16 index, u16 size, void *data) | |
125 | { | |
126 | struct usb_ctrlrequest *req; | |
127 | int ret; | |
128 | struct urb *urb; | |
129 | ||
130 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
131 | if (!urb) { | |
898eb71c JP |
132 | dev_dbg(&dev->udev->dev, |
133 | "Error allocating URB in write_cmd_async!\n"); | |
2a36d708 AB |
134 | return; |
135 | } | |
136 | ||
137 | req = kmalloc(sizeof *req, GFP_ATOMIC); | |
138 | if (!req) { | |
898eb71c JP |
139 | dev_err(&dev->udev->dev, |
140 | "Failed to allocate memory for control request\n"); | |
2a36d708 AB |
141 | goto out; |
142 | } | |
143 | req->bRequestType = MCS7830_WR_BMREQ; | |
144 | req->bRequest = MCS7830_WR_BREQ; | |
145 | req->wValue = 0; | |
146 | req->wIndex = cpu_to_le16(index); | |
147 | req->wLength = cpu_to_le16(size); | |
148 | ||
149 | usb_fill_control_urb(urb, dev->udev, | |
150 | usb_sndctrlpipe(dev->udev, 0), | |
151 | (void *)req, data, size, | |
152 | mcs7830_async_cmd_callback, req); | |
153 | ||
154 | ret = usb_submit_urb(urb, GFP_ATOMIC); | |
155 | if (ret < 0) { | |
898eb71c JP |
156 | dev_err(&dev->udev->dev, |
157 | "Error submitting the control message: ret=%d\n", ret); | |
2a36d708 AB |
158 | goto out; |
159 | } | |
160 | return; | |
161 | out: | |
162 | kfree(req); | |
163 | usb_free_urb(urb); | |
164 | } | |
165 | ||
166 | static int mcs7830_get_address(struct usbnet *dev) | |
167 | { | |
168 | int ret; | |
169 | ret = mcs7830_get_reg(dev, HIF_REG_ETHERNET_ADDR, ETH_ALEN, | |
170 | dev->net->dev_addr); | |
171 | if (ret < 0) | |
172 | return ret; | |
173 | return 0; | |
174 | } | |
175 | ||
176 | static int mcs7830_read_phy(struct usbnet *dev, u8 index) | |
177 | { | |
178 | int ret; | |
179 | int i; | |
180 | __le16 val; | |
181 | ||
182 | u8 cmd[2] = { | |
183 | HIF_REG_PHY_CMD1_READ | HIF_REG_PHY_CMD1_PHYADDR, | |
184 | HIF_REG_PHY_CMD2_PEND_FLAG_BIT | index, | |
185 | }; | |
186 | ||
a9fc6338 | 187 | mutex_lock(&dev->phy_mutex); |
2a36d708 AB |
188 | /* write the MII command */ |
189 | ret = mcs7830_set_reg(dev, HIF_REG_PHY_CMD1, 2, cmd); | |
190 | if (ret < 0) | |
191 | goto out; | |
192 | ||
193 | /* wait for the data to become valid, should be within < 1ms */ | |
194 | for (i = 0; i < 10; i++) { | |
195 | ret = mcs7830_get_reg(dev, HIF_REG_PHY_CMD1, 2, cmd); | |
196 | if ((ret < 0) || (cmd[1] & HIF_REG_PHY_CMD2_READY_FLAG_BIT)) | |
197 | break; | |
198 | ret = -EIO; | |
199 | msleep(1); | |
200 | } | |
201 | if (ret < 0) | |
202 | goto out; | |
203 | ||
204 | /* read actual register contents */ | |
205 | ret = mcs7830_get_reg(dev, HIF_REG_PHY_DATA, 2, &val); | |
206 | if (ret < 0) | |
207 | goto out; | |
208 | ret = le16_to_cpu(val); | |
209 | dev_dbg(&dev->udev->dev, "read PHY reg %02x: %04x (%d tries)\n", | |
210 | index, val, i); | |
211 | out: | |
a9fc6338 | 212 | mutex_unlock(&dev->phy_mutex); |
2a36d708 AB |
213 | return ret; |
214 | } | |
215 | ||
216 | static int mcs7830_write_phy(struct usbnet *dev, u8 index, u16 val) | |
217 | { | |
218 | int ret; | |
219 | int i; | |
220 | __le16 le_val; | |
221 | ||
222 | u8 cmd[2] = { | |
223 | HIF_REG_PHY_CMD1_WRITE | HIF_REG_PHY_CMD1_PHYADDR, | |
224 | HIF_REG_PHY_CMD2_PEND_FLAG_BIT | (index & 0x1F), | |
225 | }; | |
226 | ||
a9fc6338 AB |
227 | mutex_lock(&dev->phy_mutex); |
228 | ||
2a36d708 AB |
229 | /* write the new register contents */ |
230 | le_val = cpu_to_le16(val); | |
231 | ret = mcs7830_set_reg(dev, HIF_REG_PHY_DATA, 2, &le_val); | |
232 | if (ret < 0) | |
233 | goto out; | |
234 | ||
235 | /* write the MII command */ | |
236 | ret = mcs7830_set_reg(dev, HIF_REG_PHY_CMD1, 2, cmd); | |
237 | if (ret < 0) | |
238 | goto out; | |
239 | ||
240 | /* wait for the command to be accepted by the PHY */ | |
241 | for (i = 0; i < 10; i++) { | |
242 | ret = mcs7830_get_reg(dev, HIF_REG_PHY_CMD1, 2, cmd); | |
243 | if ((ret < 0) || (cmd[1] & HIF_REG_PHY_CMD2_READY_FLAG_BIT)) | |
244 | break; | |
245 | ret = -EIO; | |
246 | msleep(1); | |
247 | } | |
248 | if (ret < 0) | |
249 | goto out; | |
250 | ||
251 | ret = 0; | |
252 | dev_dbg(&dev->udev->dev, "write PHY reg %02x: %04x (%d tries)\n", | |
253 | index, val, i); | |
254 | out: | |
a9fc6338 | 255 | mutex_unlock(&dev->phy_mutex); |
2a36d708 AB |
256 | return ret; |
257 | } | |
258 | ||
259 | /* | |
260 | * This algorithm comes from the original mcs7830 version 1.4 driver, | |
261 | * not sure if it is needed. | |
262 | */ | |
263 | static int mcs7830_set_autoneg(struct usbnet *dev, int ptrUserPhyMode) | |
264 | { | |
265 | int ret; | |
266 | /* Enable all media types */ | |
267 | ret = mcs7830_write_phy(dev, MII_ADVERTISE, MCS7830_MII_ADVERTISE); | |
268 | ||
269 | /* First reset BMCR */ | |
270 | if (!ret) | |
271 | ret = mcs7830_write_phy(dev, MII_BMCR, 0x0000); | |
272 | /* Enable Auto Neg */ | |
273 | if (!ret) | |
274 | ret = mcs7830_write_phy(dev, MII_BMCR, BMCR_ANENABLE); | |
275 | /* Restart Auto Neg (Keep the Enable Auto Neg Bit Set) */ | |
276 | if (!ret) | |
277 | ret = mcs7830_write_phy(dev, MII_BMCR, | |
278 | BMCR_ANENABLE | BMCR_ANRESTART ); | |
279 | return ret < 0 ? : 0; | |
280 | } | |
281 | ||
282 | ||
283 | /* | |
284 | * if we can read register 22, the chip revision is C or higher | |
285 | */ | |
286 | static int mcs7830_get_rev(struct usbnet *dev) | |
287 | { | |
288 | u8 dummy[2]; | |
289 | int ret; | |
290 | ret = mcs7830_get_reg(dev, HIF_REG_22, 2, dummy); | |
291 | if (ret > 0) | |
292 | return 2; /* Rev C or later */ | |
293 | return 1; /* earlier revision */ | |
294 | } | |
295 | ||
296 | /* | |
297 | * On rev. C we need to set the pause threshold | |
298 | */ | |
299 | static void mcs7830_rev_C_fixup(struct usbnet *dev) | |
300 | { | |
301 | u8 pause_threshold = HIF_REG_PAUSE_THRESHOLD_DEFAULT; | |
302 | int retry; | |
303 | ||
304 | for (retry = 0; retry < 2; retry++) { | |
305 | if (mcs7830_get_rev(dev) == 2) { | |
306 | dev_info(&dev->udev->dev, "applying rev.C fixup\n"); | |
307 | mcs7830_set_reg(dev, HIF_REG_PAUSE_THRESHOLD, | |
308 | 1, &pause_threshold); | |
309 | } | |
310 | msleep(1); | |
311 | } | |
312 | } | |
313 | ||
314 | static int mcs7830_init_dev(struct usbnet *dev) | |
315 | { | |
316 | int ret; | |
317 | int retry; | |
318 | ||
319 | /* Read MAC address from EEPROM */ | |
320 | ret = -EINVAL; | |
321 | for (retry = 0; retry < 5 && ret; retry++) | |
322 | ret = mcs7830_get_address(dev); | |
323 | if (ret) { | |
324 | dev_warn(&dev->udev->dev, "Cannot read MAC address\n"); | |
325 | goto out; | |
326 | } | |
327 | ||
328 | /* Set up PHY */ | |
329 | ret = mcs7830_set_autoneg(dev, 0); | |
330 | if (ret) { | |
331 | dev_info(&dev->udev->dev, "Cannot set autoneg\n"); | |
332 | goto out; | |
333 | } | |
334 | ||
335 | mcs7830_rev_C_fixup(dev); | |
336 | ret = 0; | |
337 | out: | |
338 | return ret; | |
339 | } | |
340 | ||
341 | static int mcs7830_mdio_read(struct net_device *netdev, int phy_id, | |
342 | int location) | |
343 | { | |
344 | struct usbnet *dev = netdev->priv; | |
345 | return mcs7830_read_phy(dev, location); | |
346 | } | |
347 | ||
348 | static void mcs7830_mdio_write(struct net_device *netdev, int phy_id, | |
349 | int location, int val) | |
350 | { | |
351 | struct usbnet *dev = netdev->priv; | |
352 | mcs7830_write_phy(dev, location, val); | |
353 | } | |
354 | ||
355 | static int mcs7830_ioctl(struct net_device *net, struct ifreq *rq, int cmd) | |
356 | { | |
357 | struct usbnet *dev = netdev_priv(net); | |
358 | return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); | |
359 | } | |
360 | ||
361 | /* credits go to asix_set_multicast */ | |
362 | static void mcs7830_set_multicast(struct net_device *net) | |
363 | { | |
364 | struct usbnet *dev = netdev_priv(net); | |
365 | struct mcs7830_data *data = (struct mcs7830_data *)&dev->data; | |
366 | ||
367 | data->config = HIF_REG_CONFIG_TXENABLE; | |
368 | ||
369 | /* this should not be needed, but it doesn't work otherwise */ | |
370 | data->config |= HIF_REG_CONFIG_ALLMULTICAST; | |
371 | ||
372 | if (net->flags & IFF_PROMISC) { | |
373 | data->config |= HIF_REG_CONFIG_PROMISCIOUS; | |
374 | } else if (net->flags & IFF_ALLMULTI | |
375 | || net->mc_count > MCS7830_MAX_MCAST) { | |
376 | data->config |= HIF_REG_CONFIG_ALLMULTICAST; | |
377 | } else if (net->mc_count == 0) { | |
378 | /* just broadcast and directed */ | |
379 | } else { | |
380 | /* We use the 20 byte dev->data | |
381 | * for our 8 byte filter buffer | |
382 | * to avoid allocating memory that | |
383 | * is tricky to free later */ | |
384 | struct dev_mc_list *mc_list = net->mc_list; | |
385 | u32 crc_bits; | |
386 | int i; | |
387 | ||
388 | memset(data->multi_filter, 0, sizeof data->multi_filter); | |
389 | ||
390 | /* Build the multicast hash filter. */ | |
391 | for (i = 0; i < net->mc_count; i++) { | |
392 | crc_bits = ether_crc(ETH_ALEN, mc_list->dmi_addr) >> 26; | |
393 | data->multi_filter[crc_bits >> 3] |= 1 << (crc_bits & 7); | |
394 | mc_list = mc_list->next; | |
395 | } | |
396 | ||
397 | mcs7830_set_reg_async(dev, HIF_REG_MULTICAST_HASH, | |
398 | sizeof data->multi_filter, | |
399 | data->multi_filter); | |
400 | } | |
401 | ||
402 | mcs7830_set_reg_async(dev, HIF_REG_CONFIG, 1, &data->config); | |
403 | } | |
404 | ||
405 | static int mcs7830_get_regs_len(struct net_device *net) | |
406 | { | |
407 | struct usbnet *dev = netdev_priv(net); | |
408 | ||
409 | switch (mcs7830_get_rev(dev)) { | |
410 | case 1: | |
411 | return 21; | |
412 | case 2: | |
413 | return 32; | |
414 | } | |
415 | return 0; | |
416 | } | |
417 | ||
418 | static void mcs7830_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *drvinfo) | |
419 | { | |
420 | usbnet_get_drvinfo(net, drvinfo); | |
421 | drvinfo->regdump_len = mcs7830_get_regs_len(net); | |
422 | } | |
423 | ||
424 | static void mcs7830_get_regs(struct net_device *net, struct ethtool_regs *regs, void *data) | |
425 | { | |
426 | struct usbnet *dev = netdev_priv(net); | |
427 | ||
428 | regs->version = mcs7830_get_rev(dev); | |
429 | mcs7830_get_reg(dev, 0, regs->len, data); | |
430 | } | |
431 | ||
432 | static struct ethtool_ops mcs7830_ethtool_ops = { | |
433 | .get_drvinfo = mcs7830_get_drvinfo, | |
434 | .get_regs_len = mcs7830_get_regs_len, | |
435 | .get_regs = mcs7830_get_regs, | |
436 | ||
437 | /* common usbnet calls */ | |
c41286fd | 438 | .get_link = usbnet_get_link, |
2a36d708 AB |
439 | .get_msglevel = usbnet_get_msglevel, |
440 | .set_msglevel = usbnet_set_msglevel, | |
c41286fd AB |
441 | .get_settings = usbnet_get_settings, |
442 | .set_settings = usbnet_set_settings, | |
443 | .nway_reset = usbnet_nway_reset, | |
2a36d708 AB |
444 | }; |
445 | ||
446 | static int mcs7830_bind(struct usbnet *dev, struct usb_interface *udev) | |
447 | { | |
448 | struct net_device *net = dev->net; | |
449 | int ret; | |
450 | ||
451 | ret = mcs7830_init_dev(dev); | |
452 | if (ret) | |
453 | goto out; | |
454 | ||
455 | net->do_ioctl = mcs7830_ioctl; | |
456 | net->ethtool_ops = &mcs7830_ethtool_ops; | |
457 | net->set_multicast_list = mcs7830_set_multicast; | |
458 | mcs7830_set_multicast(net); | |
459 | ||
460 | /* reserve space for the status byte on rx */ | |
461 | dev->rx_urb_size = ETH_FRAME_LEN + 1; | |
462 | ||
463 | dev->mii.mdio_read = mcs7830_mdio_read; | |
464 | dev->mii.mdio_write = mcs7830_mdio_write; | |
465 | dev->mii.dev = net; | |
466 | dev->mii.phy_id_mask = 0x3f; | |
467 | dev->mii.reg_num_mask = 0x1f; | |
468 | dev->mii.phy_id = *((u8 *) net->dev_addr + 1); | |
469 | ||
470 | ret = usbnet_get_endpoints(dev, udev); | |
471 | out: | |
472 | return ret; | |
473 | } | |
474 | ||
475 | /* The chip always appends a status bytes that we need to strip */ | |
476 | static int mcs7830_rx_fixup(struct usbnet *dev, struct sk_buff *skb) | |
477 | { | |
478 | u8 status; | |
479 | ||
480 | if (skb->len == 0) { | |
481 | dev_err(&dev->udev->dev, "unexpected empty rx frame\n"); | |
482 | return 0; | |
483 | } | |
484 | ||
485 | skb_trim(skb, skb->len - 1); | |
486 | status = skb->data[skb->len]; | |
487 | ||
488 | if (status != 0x20) | |
489 | dev_dbg(&dev->udev->dev, "rx fixup status %x\n", status); | |
490 | ||
491 | return skb->len > 0; | |
492 | } | |
493 | ||
494 | static const struct driver_info moschip_info = { | |
495 | .description = "MOSCHIP 7830 usb-NET adapter", | |
496 | .bind = mcs7830_bind, | |
497 | .rx_fixup = mcs7830_rx_fixup, | |
498 | .flags = FLAG_ETHER, | |
499 | .in = 1, | |
500 | .out = 2, | |
501 | }; | |
502 | ||
503 | static const struct usb_device_id products[] = { | |
504 | { | |
505 | USB_DEVICE(MCS7830_VENDOR_ID, MCS7830_PRODUCT_ID), | |
506 | .driver_info = (unsigned long) &moschip_info, | |
507 | }, | |
508 | {}, | |
509 | }; | |
510 | MODULE_DEVICE_TABLE(usb, products); | |
511 | ||
512 | static struct usb_driver mcs7830_driver = { | |
513 | .name = driver_name, | |
514 | .id_table = products, | |
515 | .probe = usbnet_probe, | |
516 | .disconnect = usbnet_disconnect, | |
517 | .suspend = usbnet_suspend, | |
518 | .resume = usbnet_resume, | |
519 | }; | |
520 | ||
521 | static int __init mcs7830_init(void) | |
522 | { | |
523 | return usb_register(&mcs7830_driver); | |
524 | } | |
525 | module_init(mcs7830_init); | |
526 | ||
527 | static void __exit mcs7830_exit(void) | |
528 | { | |
529 | usb_deregister(&mcs7830_driver); | |
530 | } | |
531 | module_exit(mcs7830_exit); | |
532 | ||
533 | MODULE_DESCRIPTION("USB to network adapter MCS7830)"); | |
534 | MODULE_LICENSE("GPL"); |