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rt2x00: Don't initialize beacon interval to 0 on rt2800 devices 

Activating the TBTT interrupt when a beacon interval of 0 is configured
results in an interrupt storm causing the machine to hang. Hence,
initialize the beacon interval to a reasonable default of 100TUs.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Helmut Schaa 2010-07-11 12:29:49 +02:00 committed by John W. Linville
parent ab0ed4aba8
commit 8544df327c
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/rt2x00/rt2800lib.c
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@ -1419,7 +1419,7 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 1600);
rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);