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Commit 2249b011 authored by Don Fry's avatar Don Fry Committed by John W. Linville
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iwlagn: workaround bug crashing some APs 



This patch reverts commit 9b768832 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: default avatarDon Fry <donald.h.fry@intel.com>
SIgned-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 3965ac00

drivers/net/wireless/iwlwifi/iwl-agn.c

+5 −0
Original line number Diff line number Diff line
@@ -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;