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rt2x00: do not shortcut rt2x00lib_config_antenna

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This function was exiting early if the existing diversity settings
were unchanged.  Unfortunately, in some cases the antenna configuration
is not initialized at all.

https://bugzilla.kernel.org/show_bug.cgi?id=14751

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Cc: Gertjan van Wingerde <gwingerde@gmail.com>
This commit is contained in:
John W. Linville 2010-05-26 13:33:31 -04:00
parent 9714d315d2
commit 4d7ede7f5a
1 changed files with 0 additions and 8 deletions
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8
drivers/net/wireless/rt2x00/rt2x00config.c
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@ -126,11 +126,6 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
* ANTENNA_SW_DIVERSITY state to the driver.
* If that happens, fallback to hardware defaults,
* or our own default.
* If diversity handling is active for a particular antenna,
* we shouldn't overwrite that antenna.
* The calls to rt2x00lib_config_antenna_check()
* might have caused that we restore back to the already
* active setting. If that has happened we can quit.
*/
if (!(ant->flags & ANTENNA_RX_DIVERSITY))
config.rx = rt2x00lib_config_antenna_check(config.rx, def->rx);
@ -142,9 +137,6 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
else
config.tx = active->tx;
if (config.rx == active->rx && config.tx == active->tx)
return;
/*
* Antenna setup changes require the RX to be disabled,
* else the changes will be ignored by the device.