diff options
Diffstat (limited to 'drivers/net/usb/plusb.c')
| -rw-r--r-- | drivers/net/usb/plusb.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/drivers/net/usb/plusb.c b/drivers/net/usb/plusb.c index 823c53751307..217aec8a768f 100644 --- a/drivers/net/usb/plusb.c +++ b/drivers/net/usb/plusb.c @@ -45,6 +45,14 @@ * seems to get wedged under load. Prolific docs are weak, and * don't identify differences between PL2301 and PL2302, much less * anything to explain the different PL2302 versions observed. + * + * NOTE: pl2501 has several modes, including pl2301 and pl2302 + * compatibility. Some docs suggest the difference between 2301 + * and 2302 is only to make MS-Windows use a different driver... + * + * pl25a1 glue based on patch from Tony Gibbs. Prolific "docs" on + * this chip are as usual incomplete about what control messages + * are supported. */ /* @@ -86,16 +94,20 @@ pl_set_QuickLink_features(struct usbnet *dev, int val) static int pl_reset(struct usbnet *dev) { + int status; + /* some units seem to need this reset, others reject it utterly. * FIXME be more like "naplink" or windows drivers. */ - (void) pl_set_QuickLink_features(dev, + status = pl_set_QuickLink_features(dev, PL_S_EN|PL_RESET_OUT|PL_RESET_IN|PL_PEER_E); + if (status != 0 && netif_msg_probe(dev)) + netif_dbg(dev, link, dev->net, "pl_reset --> %d\n", status); return 0; } static const struct driver_info prolific_info = { - .description = "Prolific PL-2301/PL-2302", + .description = "Prolific PL-2301/PL-2302/PL-25A1", .flags = FLAG_POINTTOPOINT | FLAG_NO_SETINT, /* some PL-2302 versions seem to fail usb_set_interface() */ .reset = pl_reset, @@ -111,6 +123,7 @@ static const struct driver_info prolific_info = { static const struct usb_device_id products [] = { +/* full speed cables */ { USB_DEVICE(0x067b, 0x0000), // PL-2301 .driver_info = (unsigned long) &prolific_info, @@ -119,6 +132,15 @@ static const struct usb_device_id products [] = { .driver_info = (unsigned long) &prolific_info, }, +/* high speed cables */ +{ + USB_DEVICE(0x067b, 0x25a1), /* PL-25A1, no eeprom */ + .driver_info = (unsigned long) &prolific_info, +}, { + USB_DEVICE(0x050d, 0x258a), /* Belkin F5U258/F5U279 (PL-25A1) */ + .driver_info = (unsigned long) &prolific_info, +}, + { }, // END }; MODULE_DEVICE_TABLE(usb, products); @@ -134,16 +156,16 @@ static struct usb_driver plusb_driver = { static int __init plusb_init(void) { - return usb_register(&plusb_driver); + return usb_register(&plusb_driver); } module_init(plusb_init); static void __exit plusb_exit(void) { - usb_deregister(&plusb_driver); + usb_deregister(&plusb_driver); } module_exit(plusb_exit); MODULE_AUTHOR("David Brownell"); -MODULE_DESCRIPTION("Prolific PL-2301/2302 USB Host to Host Link Driver"); +MODULE_DESCRIPTION("Prolific PL-2301/2302/25A1 USB Host to Host Link Driver"); MODULE_LICENSE("GPL"); |