linux-kernel - Re: 3.3.1 ath9k regression

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Date:	Wed, 04 Apr 2012 21:33:48 +0200
From:	Martin <marogge@...inehome.de>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	ath9k-devel@...ema.h4ckr.net, ath9k-devel@...ts.ath9k.org
Subject: Re: 3.3.1 ath9k regression

On 04/03/2012 08:10 AM, Ben Greear wrote:
> Ath9k list should be interested in this...
>
> Ben
>
> On 04/02/2012 10:46 PM, Kelly Anderson wrote:
>> This patch in 3.3.1 is causing ath9k device not to show/work on bootup.
>> ifconfig does not show the device unless I revert this patch. With the
>> patch
>> reverted the device works as expected. This is verified on two different
>> machines that are both using ath9k mini-pcie wifi cards.
>>
>>>> ath9k: fix going to full-sleep on PS idle
>>
>>>> commit c1afdaff90538ef085b756454f12b29575411214 upstream.
>>
>>
>> --
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>> Please read the FAQ at http://www.tux.org/lkml/

fwiw, I find the same issue on an Asus P50IJ, same fix by reverting the 
commit from above.

Martin


02:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless 
Network Adapter (PCI-Express) (rev 01)
	Subsystem: AzureWave Device 1089
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 17
	Region 0: Memory at feaf0000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: [40] Power Management version 3
		Flags: PMEClk- DSI- D1+ D2- AuxCurrent=375mA 
PME(D0+,D1+,D2-,D3hot+,D3cold+)
		Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
	Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit-
		Address: 00000000  Data: 0000
	Capabilities: [60] Express (v2) Legacy Endpoint, MSI 00
		DevCap:	MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns, L1 <64us
			ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
		DevCtl:	Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
			RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop-
			MaxPayload 128 bytes, MaxReadReq 512 bytes
		DevSta:	CorrErr+ UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend-
		LnkCap:	Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 
<512ns, L1 <64us
			ClockPM- Surprise- LLActRep- BwNot-
		LnkCtl:	ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+
			ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
		LnkSta:	Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- 
BWMgmt- ABWMgmt-
		DevCap2: Completion Timeout: Not Supported, TimeoutDis+
		DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-
		LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis-, 
Selectable De-emphasis: -6dB
			 Transmit Margin: Normal Operating Range, EnterModifiedCompliance- 
ComplianceSOS-
			 Compliance De-emphasis: -6dB
		LnkSta2: Current De-emphasis Level: -6dB
	Kernel driver in use: ath9k


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