Re: [RFC 1/2] ath9k: work around AR_CFG 0xdeadbeef chip hang

2016-11-16 Thread Sven Eckelmann
On Mittwoch, 16. November 2016 16:16:42 CET Valo, Kalle wrote: > Sven Eckelmann writes: > > > From: Simon Wunderlich > > > > 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

Re: [RFC 1/2] ath9k: work around AR_CFG 0xdeadbeef chip hang

2016-11-16 Thread Valo, Kalle
Sven Eckelmann writes: > From: Simon Wunderlich > > 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. > > This problem is not yet detec

[RFC 1/2] ath9k: work around AR_CFG 0xdeadbeef chip hang

2016-11-14 Thread Sven Eckelmann
From: Simon Wunderlich 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. This problem is not yet detected by any other workaround in ath9k.