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authorHelmut Schaa <helmut.schaa@googlemail.com>2010-07-11 12:29:49 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-07-12 16:05:35 -0400
commit8544df327c4c1c2bc6f2f6bf2997980d0d9a29f0 (patch)
tree627219c86ebc2685a6e64008a0114d94b63ef18a
parentab0ed4aba80f430fafd842cee8d74f6b40493483 (diff)
downloadlinux-8544df327c4c1c2bc6f2f6bf2997980d0d9a29f0.tar.bz2
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>
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 64bfa6e6a4e5..cfe199bb36a3 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -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);