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rt2x00: rt2800lib: disable HT40 for now as it causes reception problems

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Disable HT40 support for now as it causes rx problems with HT40 capable
11n APs (when mac80211 enables HT40, rx is completely disfunctional).

Once the rt2800 HT code is capable of using HT40 we should enable the
flag again.

I only tested this patch with a rt305x SoC device, nevertheless the
patch disables HT40 also on PCI and USB rt2800 devices.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Helmut Schaa 2010-04-23 15:05:29 +02:00 committed by John W. Linville
parent d8f996f6ff
commit 2caaa5d36e
1 changed files with 4 additions and 1 deletions
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5
drivers/net/wireless/rt2x00/rt2800lib.c
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@ -2317,8 +2317,11 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
else
spec->ht.ht_supported = false;
/*
* Don't set IEEE80211_HT_CAP_SUP_WIDTH_20_40 for now as it causes
* reception problems with HT40 capable 11n APs
*/
spec->ht.cap =
IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
IEEE80211_HT_CAP_GRN_FLD |
IEEE80211_HT_CAP_SGI_20 |
IEEE80211_HT_CAP_SGI_40 |