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| author | Don Fry <donald.h.fry@intel.com> | 2011-09-15 08:36:22 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-09-16 15:32:12 -0400 |
| commit | 2249b011432ca3dcce112f0f71e0f531b4bb9347 (patch) | |
| tree | 42b581ea0fea915eb545fff4c675e0c36933765e /drivers/net/wireless/iwlwifi | |
| parent | 3965ac00204e0ccd89e1e73ead4d2098dc8f7bd1 (diff) | |
| download | linux-stable-2249b011432ca3dcce112f0f71e0f531b4bb9347.tar.gz linux-stable-2249b011432ca3dcce112f0f71e0f531b4bb9347.tar.bz2 linux-stable-2249b011432ca3dcce112f0f71e0f531b4bb9347.zip | |
iwlagn: workaround bug crashing some APs
This patch reverts commit 9b7688328422b88a7a15dc0dc123ad9ab1a6e22d which
was introduced in 2.6.38-rc1. It works around a problem where the iwlagn
driver stimulates a bug crashing (requiring power cycle to recover) some
APs under heavy traffic.
CC: stable@kernel.org #2.6.39, #3.0.0 #3.1.0
Signed-off-by: Don Fry <donald.h.fry@intel.com>
SIgned-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index b0ae4de7f083..f9c3cd95d614 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2140,7 +2140,12 @@ static int iwl_mac_setup_register(struct iwl_priv *priv, IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_REPORTS_TX_ACK_STATUS; + /* + * Including the following line will crash some AP's. This + * workaround removes the stimulus which causes the crash until + * the AP software can be fixed. hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF; + */ hw->flags |= IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; |