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authorFelix Fietkau <nbd@openwrt.org>2013-02-25 19:53:31 +0000
committerFelix Fietkau <nbd@openwrt.org>2013-02-25 19:53:31 +0000
commitf1bde82f00904bc73cfe2fcce437c87614b4a47d (patch)
treec63ff9b9404a01b615d8241d63d9c3fc01f0feaf /package/mac80211/patches/300-pending_work.patch
parent0f2fc0adfd87bbc62e1f9106dfef0b51b08c6fe4 (diff)
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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
Diffstat (limited to 'package/mac80211/patches/300-pending_work.patch')
-rw-r--r--package/mac80211/patches/300-pending_work.patch13
1 files changed, 13 insertions, 0 deletions
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;