diff options
Diffstat (limited to 'package/kernel/mac80211/patches/315-ath9k_hw-check-if-the-chip-failed-to-wake-up.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/315-ath9k_hw-check-if-the-chip-failed-to-wake-up.patch | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/package/kernel/mac80211/patches/315-ath9k_hw-check-if-the-chip-failed-to-wake-up.patch b/package/kernel/mac80211/patches/315-ath9k_hw-check-if-the-chip-failed-to-wake-up.patch deleted file mode 100644 index b0cb74ad05..0000000000 --- a/package/kernel/mac80211/patches/315-ath9k_hw-check-if-the-chip-failed-to-wake-up.patch +++ /dev/null @@ -1,30 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Wed, 25 Jan 2017 12:58:17 +0100 -Subject: [PATCH] ath9k_hw: check if the chip failed to wake up - -In an RFC patch, Sven Eckelmann and Simon Wunderlich reported: - -"QCA 802.11n chips (especially AR9330/AR9340) sometimes end up in a -state in which a read of AR_CFG always returns 0xdeadbeef. -This should not happen when when the power_mode of the device is -ATH9K_PM_AWAKE." - -Include the check for the default register state in the existing MAC -hang check. - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - ---- a/drivers/net/wireless/ath/ath9k/hw.c -+++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -1624,6 +1624,10 @@ bool ath9k_hw_check_alive(struct ath_hw - int count = 50; - u32 reg, last_val; - -+ /* Check if chip failed to wake up */ -+ if (REG_READ(ah, AR_CFG) == 0xdeadbeef) -+ return false; -+ - if (AR_SREV_9300(ah)) - return !ath9k_hw_detect_mac_hang(ah); - |