[ath9k-devel] [OpenWrt-Devel] ath9k: Deaf QCA9558 when setting rxchainmask

[Matthias May <matthias.may@neratec.com>]

On 18/11/13 14:12, Sujith Manoharan wrote:
> Matthias May wrote:
>> I'm in the position where i want to use a 9390 as 2x2 instead of 3x3.
>> I use backports-3.12-1.
>> I've set the rx and tx mask in eeprom to 0x5.
>> Every 30 seconds there is a short disconnect.
>> Enabling some logging in
>> echo "0x0000050C" > /sys/kernel/debug/ieee80211/phy0/ath9k/debug
>> shows that something seems to go wrong during noise calibration. (See
>> attached log).
>> What seems odd to me, that for IQ cal it tries to calibrate chain 1
>> instead of chain 2.
> What is the value of 0x40d8 register ?
>
> echo 0x40d8 > /sys/kernel/debug/ieee80211/phy0/ath9k/regidx
> cat /sys/kernel/debug/ieee80211/phy0/ath9k/regval
>
> Sujith
root at CHD500279:/# echo 0x40d8 > 
/sys/kernel/debug/ieee80211/phy6/ath9k/regidx
root at CHD500279:/# cat /sys/kernel/debug/ieee80211/phy6/ath9k/regval
0x00000004

On another device showing the same behaviour (but with various other 
patches and based on compat-wireless-2013-06-27) 0x04000004.

Best regards
Matthias May

-- 
Matthias May
Software Engineer

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