openwrtv4/package/kernel/mac80211/patches/300-ath9k_hw-reset-AHB-WMAC-interface-on-AR91xx.patch
Felix Fietkau 649e766a64 mac80211: update to wireless-testing 2017-01-31
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-02-06 12:27:12 +01:00

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From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 9 Jul 2016 15:25:24 +0200
Subject: [PATCH] ath9k_hw: reset AHB-WMAC interface on AR91xx
Should fix a few stability issues
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1394,8 +1394,12 @@ static bool ath9k_hw_set_reset(struct at
if (!AR_SREV_9100(ah))
REG_WRITE(ah, AR_RC, 0);
- if (AR_SREV_9100(ah))
+ if (AR_SREV_9100(ah)) {
+ /* Reset the AHB-WMAC interface */
+ if (ah->external_reset)
+ ah->external_reset();
udelay(50);
+ }
return true;
}