Old variant of bcm4320 doesn't handle setting configuration parameters correctly. One symptom is that MAC gets partially overwritten when any config parameters are set. This patch disables config-params for bcm4320a (and generic rndis-wlan). Signed-off-by: Jussi Kivilinna <jussi.kivilinna@xxxxxxxx> --- drivers/net/wireless/rndis_wlan.c | 18 ++++++++++++++---- 1 files changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index 52fc647..addd7a5 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -2275,7 +2275,17 @@ end: } -static int bcm4320_early_init(struct usbnet *usbdev) +static int bcm4320a_early_init(struct usbnet *usbdev) +{ + /* bcm4320a doesn't handle configuration parameters well. Try + * set any and you get partially zeroed mac and broken device. + */ + + return 0; +} + + +static int bcm4320b_early_init(struct usbnet *usbdev) { struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev); char buf[8]; @@ -2515,7 +2525,7 @@ static const struct driver_info bcm4320b_info = { .rx_fixup = rndis_rx_fixup, .tx_fixup = rndis_tx_fixup, .reset = rndis_wext_reset, - .early_init = bcm4320_early_init, + .early_init = bcm4320b_early_init, .link_change = rndis_wext_link_change, }; @@ -2528,7 +2538,7 @@ static const struct driver_info bcm4320a_info = { .rx_fixup = rndis_rx_fixup, .tx_fixup = rndis_tx_fixup, .reset = rndis_wext_reset, - .early_init = bcm4320_early_init, + .early_init = bcm4320a_early_init, .link_change = rndis_wext_link_change, }; @@ -2541,7 +2551,7 @@ static const struct driver_info rndis_wext_info = { .rx_fixup = rndis_rx_fixup, .tx_fixup = rndis_tx_fixup, .reset = rndis_wext_reset, - .early_init = bcm4320_early_init, + .early_init = bcm4320a_early_init, .link_change = rndis_wext_link_change, }; -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html