[ath9k-devel] ath: phy0: unsupported hw bitrate detected 0x1b using 1 Mbit

[Oleksij Rempel <linux@rempel-privat.de>]

Am 08.01.2014 11:58, schrieb Sujith Manoharan:
> Oleksij Rempel wrote:
>>> Can you try this patch ?
>>>
>>> diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
>>> index 6d643ca..a638f3a 100644
>>> --- a/drivers/net/wireless/ath/ath9k/recv.c
>>> +++ b/drivers/net/wireless/ath/ath9k/recv.c
>>> @@ -850,8 +850,9 @@ static int ath9k_process_rate(struct ath_common *common,
>>>  	enum ieee80211_band band;
>>>  	unsigned int i = 0;
>>>  	struct ath_softc __maybe_unused *sc = common->priv;
>>> +	struct ath_hw *ah = common->ah;
>>>  
>>> -	band = hw->conf.chandef.chan->band;
>>> +	band = ah->curchan->chan->band;
>>>  	sband = hw->wiphy->bands[band];
>>>  
>>>  	switch (hw->conf.chandef.width) {
>>
>> seems to be fixed with this change. thank you :)
> 
> Thanks for testing, I'll post a more complete patch.
> 
>> [ 2689.964112] ath: phy1: Set channel: 5180 MHz width: 2
>> [ 2689.964268] ath: phy1: Reset to 5180 MHz, HT40: 1 fastcc: 0
>> [ 2689.964939] ath: phy1: ah->misc_mode 0x10000004
>> [ 2689.968717] ath: phy1: Enabled BB Watchdog timeout (25 ms)
>> [ 2690.168338] ath: phy1: Set channel: 2467 MHz width: 0
>> [ 2690.168515] ath: phy1: Reset to 2467 MHz, HT40: 0 fastcc: 1
>> [ 2690.168534] ath: phy1: FastChannelChange for 5180 -> 2467
>> [ 2690.223270] ath: phy1: 
>> [ 2690.223270] ==== BB update: BB status=0x13000609 ====
>> [ 2690.223288] ath: phy1: ** BB state: wd=1 det=1 rdar=0 rOFDM=6 rCCK=0 tOFDM=0 tCCK=0 agc=3 src=1 **
>> [ 2690.223298] ath: phy1: ** BB WD cntl: cntl1=0xffff010d cntl2=0x00000004 **
>> [ 2690.223303] ath: phy1: ** BB mode: BB_gen_controls=0x01318bc0 **
>> [ 2690.223307] ath: phy1: ** BB busy times: rx_clear=0%, rx_frame=0%, tx_frame=0% **
>> [ 2690.223309] ath: phy1: ==== BB update: done ====
>> [ 2690.223309] 
>> [ 2690.223320] ath: phy1: BB_WATCHDOG: Skipping interrupts
> 
> I couldn't find much information about this signature. I'll ask our
> baseband engineers.
> 
> What machine is this ? Did you replace the card with AR9462 ?

Yes, i replaced the card. It is Asus Zenbook UX31A.

> 
> Can you see if this patch makes a difference ?
> 
> diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
> index 47c6285..b3e1d5e 100644
> --- a/drivers/net/wireless/ath/ath9k/hw.c
> +++ b/drivers/net/wireless/ath/ath9k/hw.c
> @@ -2480,7 +2480,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
>  	 * Fast channel change across bands is available
>  	 * only for AR9462 and AR9565.
>  	 */
> -	if (AR_SREV_9462(ah) || AR_SREV_9565(ah))
> +	if (AR_SREV_9565(ah))
>  		pCap->hw_caps |= ATH9K_HW_CAP_FCC_BAND_SWITCH;
>  
>  	return 0;

With this patch there is no more BB_WATCHDOG messages.

-- 
Regards,
Oleksij

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 295 bytes
Desc: OpenPGP digital signature
Url : http://lists.ath9k.org/pipermail/ath9k-devel/attachments/20140108/fc78f167/attachment.pgp