From f1bde82f00904bc73cfe2fcce437c87614b4a47d Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 25 Feb 2013 19:53:31 +0000 Subject: ath9k: issue a cold reset after failures or after bringing the chip out of full sleep - fixes many kinds of DMA issues SVN-Revision: 35785 --- package/mac80211/patches/300-pending_work.patch | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'package/mac80211/patches/300-pending_work.patch') diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index 11c9a5af4d..51da3cf84d 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -499,3 +499,16 @@ ret = 0; } rcu_read_unlock(); +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -1463,7 +1463,9 @@ static bool ath9k_hw_chip_reset(struct a + reset_type = ATH9K_RESET_POWER_ON; + else + reset_type = ATH9K_RESET_COLD; +- } ++ } else if (ah->chip_fullsleep || REG_READ(ah, AR_Q_TXE) || ++ (REG_READ(ah, AR_CR) & AR_CR_RXE)) ++ reset_type = ATH9K_RESET_COLD; + + if (!ath9k_hw_set_reset_reg(ah, reset_type)) + return false; -- cgit v1.2.3