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rt2x00: rt2800: don't overwrite SIFS values on erp changes

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The SIFS value is a constant and doesn't need to be updated on erp changes.
Furthermore the code used 10us for both, the OFDM SIFS and CCK SIFS time
which broke CTS protected 11g connections (see patch "rt2x00: rt2800: update
initial SIFS values" for details).

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Helmut Schaa 2010-05-06 12:29:44 +02:00 committed by John W. Linville
parent a21c2ab421
commit 809bfe81ce
1 changed files with 0 additions and 2 deletions
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2
drivers/net/wireless/rt2x00/rt2800lib.c
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@ -639,8 +639,6 @@ void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp)
rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs);
rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs);
rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);