This is a note to let you know that I've just added the patch titled
ath9k: bring back direction setting in ath9k_{start_stop}
to the 4.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ath9k-bring-back-direction-setting-in-ath9k_-start_stop.patch
and it can be found in the queue-4.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From e34f2ff40e0339f6a379e1ecf49e8f2759056453 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Giedrius=20Statkevi=C4=8Dius?=
<giedrius.statkevicius@xxxxxxxxx>
Date: Thu, 1 Sep 2016 20:47:02 +0300
Subject: ath9k: bring back direction setting in ath9k_{start_stop}
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Content-Type: text/plain; charset=UTF-8
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From: Giedrius Statkevičius <giedrius.statkevicius@xxxxxxxxx>
commit e34f2ff40e0339f6a379e1ecf49e8f2759056453 upstream.
A regression was introduced in commit id 79d4db1214a ("ath9k: cleanup
led_pin initial") that broken the WLAN status led on my laptop with
AR9287 after suspending and resuming.
Steps to reproduce:
* Suspend (laptop)
* Resume (laptop)
* Observe that the WLAN led no longer turns ON/OFF depending on the
status and is always red
Even though for my case it only needs to be set to OUT in ath9k_start
but for consistency bring back the IN direction setting as well.
Fixes: 79d4db1214a0 ("ath9k: cleanup led_pin initial")
Cc: Miaoqing Pan <miaoqing@xxxxxxxxxxxxxx>
Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=151711
Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@xxxxxxxxx>
[kvalo@xxxxxxxxxxxxxxxx: improve commit log]
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/main.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -718,9 +718,12 @@ static int ath9k_start(struct ieee80211_
if (!ath_complete_reset(sc, false))
ah->reset_power_on = false;
- if (ah->led_pin >= 0)
+ if (ah->led_pin >= 0) {
ath9k_hw_set_gpio(ah, ah->led_pin,
(ah->config.led_active_high) ? 1 : 0);
+ ath9k_hw_gpio_request_out(ah, ah->led_pin, NULL,
+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ }
/*
* Reset key cache to sane defaults (all entries cleared) instead of
@@ -864,9 +867,11 @@ static void ath9k_stop(struct ieee80211_
spin_lock_bh(&sc->sc_pcu_lock);
- if (ah->led_pin >= 0)
+ if (ah->led_pin >= 0) {
ath9k_hw_set_gpio(ah, ah->led_pin,
(ah->config.led_active_high) ? 0 : 1);
+ ath9k_hw_gpio_request_in(ah, ah->led_pin, NULL);
+ }
ath_prepare_reset(sc);
Patches currently in stable-queue which might be from giedrius.statkevicius@xxxxxxxxx are
queue-4.7/ath9k-bring-back-direction-setting-in-ath9k_-start_stop.patch
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