+diff -Naur linux-3.14.25.org/drivers/net/wireless/rt2x00/rt2800lib.c linux-3.14.25/drivers/net/wireless/rt2x00/rt2800lib.c
+--- linux-3.14.25.org/drivers/net/wireless/rt2x00/rt2800lib.c 2014-11-21 18:23:44.000000000 +0100
++++ linux-3.14.25/drivers/net/wireless/rt2x00/rt2800lib.c 2014-12-03 11:30:58.813355413 +0100
+@@ -4847,7 +4847,8 @@
+ rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CWMIN, 0);
+ rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg);
+
+- reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002;
++// reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002;
++ reg = 0x00000002;
+ rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, reg);
+
+ rt2800_register_read(rt2x00dev, TX_RTS_CFG, ®);