This is a note to let you know that I've just added the patch titled
ath9k_htc: do some initial hardware configuration
to the 3.4-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_htc-do-some-initial-hardware-configuration.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From dc2a87f519a4d8cb376ab54f22b6b98a943b51ce Mon Sep 17 00:00:00 2001
From: Oleksij Rempel <linux@xxxxxxxxxxxxxxxx>
Date: Fri, 19 Jul 2013 20:16:17 +0200
Subject: ath9k_htc: do some initial hardware configuration
From: Oleksij Rempel <linux@xxxxxxxxxxxxxxxx>
commit dc2a87f519a4d8cb376ab54f22b6b98a943b51ce upstream.
Currently we configure harwdare and clock, only after
interface start. In this case, if we reload module or
reboot PC without configuring adapter, firmware will freeze.
There is no software way to reset adpter.
This patch add initial configuration and set it in
disabled state, to avoid this freeze. Behaviour of this patch
should be similar to: ifconfig wlan0 up; ifconfig wlan0 down.
Bug: https://github.com/qca/open-ath9k-htc-firmware/issues/1
Tested-by: Bo Shi <cnshibo@xxxxxxxxx>
Signed-off-by: Oleksij Rempel <linux@xxxxxxxxxxxxxxxx>
Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/htc_drv_init.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -821,6 +821,7 @@ static int ath9k_init_device(struct ath9
if (error != 0)
goto err_rx;
+ ath9k_hw_disable(priv->ah);
#ifdef CONFIG_MAC80211_LEDS
/* must be initialized before ieee80211_register_hw */
priv->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(priv->hw,
Patches currently in stable-queue which might be from linux@xxxxxxxxxxxxxxxx are
queue-3.4/ath9k_htc-do-some-initial-hardware-configuration.patch
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