Adds support for 'Windows Easy Transfer' cables based around the Prolific PL-25A1 chip (includes Belkin F5U258 & F5U279) Patch originally suggested by David Brownell here: http://www.mail-archive.com/netdev@xxxxxxxxxxxxxxx/msg61926.html Modified to work with latest kernel, tested with F5U279. Signed-off-by: Simon Wood <simon@xxxxxxxxxxxxx> --- drivers/net/usb/Kconfig | 2 +- drivers/net/usb/plusb.c | 33 ++++++++++++++++++++++++++------- 2 files changed, 27 insertions(+), 8 deletions(-) diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 6f600cc..85fec06 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -258,7 +258,7 @@ config USB_NET_NET1080 optionally with LEDs that indicate traffic config USB_NET_PLUSB - tristate "Prolific PL-2301/2302 based cables" + tristate "Prolific PL-2301/2302/25A1 based cables" # if the handshake/init/reset problems, from original 'plusb', # are ever resolved ... then remove "experimental" depends on USB_USBNET && EXPERIMENTAL diff --git a/drivers/net/usb/plusb.c b/drivers/net/usb/plusb.c index 08ad269..a20afac 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. */ /* @@ -89,13 +97,17 @@ static int pl_reset(struct usbnet *dev) /* 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, + int status; + + 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_NO_SETINT, /* some PL-2302 versions seem to fail usb_set_interface() */ .reset = pl_reset, @@ -110,7 +122,7 @@ 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, @@ -118,7 +130,14 @@ static const struct usb_device_id products [] = { USB_DEVICE(0x067b, 0x0001), // PL-2302 .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 +153,16 @@ 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"); -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
