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From: Daniel Golle <>
Subject: [ath9k-devel] AR9380 on Kirkwood 88FR131
Date: Wed, 4 Jul 2012 23:48:26 +0300	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On 07/03/12 14:18, Wojciech Dubowik wrote:
> On 07/01/2012 10:18 AM, Daniel Golle wrote:
>> Hi!
>> I'm trying to use a Senao EMP7606 module (AR9380) on a Marvell Kirkwood
>> 88FR131-based board running OpenWrt r32511 with Linux 3.3.8 and
>> compat-wireless-2012-06-14.
>> I'm unable to figure out the reason for the card not working properly. Please
>> advise me on how I should go on debugging/investigating the issue.
>> ath9k_hw_reset is quite complex and I can't figure out why it returns -EIO.
> I have had similar behaviour on the Ka-Ro TK71 board with same
> processor and openwrt. It was working stable with all the cards
> except 9380/9390. One of our clever hardware guys has figured
> out that you need to solder pull-up resistor on PERST# pin of pci
> express slot.
> So if you can, just try to solder R402 10k resistor between pins
> 22 and 24.
> I know it's not really software solution but it was only one that had
> worked for us. Seems like timing or power up requirements for
> these wifi cards are little bit different.
Thank you so much for that precious hint!
I'll ask the hardware guys to help me with that and let you know the result.

Best regards


      reply	other threads:[~2012-07-04 20:48 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-01  8:18 [ath9k-devel] AR9380 on Kirkwood 88FR131 Daniel Golle
2012-07-01 19:51 ` Adrian Chadd
2012-07-02  0:31   ` Daniel Golle
2012-07-03 11:18 ` Wojciech Dubowik
2012-07-04 20:48   ` Daniel Golle [this message]

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