linux-kernel - Re: What's needed for a PCIe card to be recognized?

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Date:	Sun, 17 Feb 2008 01:54:53 +0100
From:	Hans-Jürgen Koch <hjk@...utronix.de>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: What's needed for a PCIe card to be recognized?

Am Sat, 16 Feb 2008 14:39:46 -0800
schrieb Arjan van de Ven <arjan@...radead.org>:

> On Sat, 16 Feb 2008 22:59:32 +0100
> Hans-Jürgen Koch <hjk@...utronix.de> wrote:
> 
> > I'm playing around with a vanilla 2.6.25-rc1, adding patches to make
> > it work on an Asus EeePC. That one has the problem that its Mini
> > PCIe WLAN module doesn't show up in lspci. That brought up a few
> > questions that I couldn't answer yet:
> > 
> > How can they "hide" a PCIe card?
> > What could be their motive to do that?
> > How can I make it appear?
> 
> 
> go to the bios, enable the wireless card. 
> 
> that did it for me ;)

It didn't for me. I tried all combinations (booting with/without WLAN
enabled, enabling WLAN through /proc with/without pciehp loaded and so
on). What kernel did you use, and which patches did you apply?

Yes, I want to make it work, but I'd really like to understand what's
going on there and what's behind it.

Thanks,
Hans
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