rndis_wlan: use power save only for BCM4320b

BCM4320a breaks when enabling power save (bug 29732). So disable power save
for anything but BCM4320b that is known to work.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index 848cc2cce247fb5781255cda3b36477db0e2a959..518542b4bf9e87a0571431d4374842b72ef62faa 100644 (file)
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -2597,6 +2597,9 @@ static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
        __le32 mode;
        int ret;
 
+       if (priv->device_type != RNDIS_BCM4320B)
+               return -ENOTSUPP;
+
        netdev_dbg(usbdev->net, "%s(): %s, %d\n", __func__,
                                enabled ? "enabled" : "disabled",
                                timeout);