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From: Chris Adams <>
To: Daniel J Blueman <>
Cc: Linux Kernel <>
Subject: Re: ExpressCard hotswap support?
Date: Fri, 4 May 2007 20:52:47 -0500	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

Once upon a time, Daniel J Blueman <> said:
> On 4 May, 01:20, Chris Adams <> wrote:
> >I've got a Thinkpad Z60m with an ExpressCard slot, and I got a Belkin
> >F5U250 GigE ExpressCard (Marvell 88E8053 chip using sky2 driver).  It
> >appears that Linux only recognizes it if I insert the card with the
> >system powered off.  If I hot-insert the card, nothing happens (no
> >messages logged, no PCI device shows up, nothing).
> The BIOS initialises and powers up the downstream PCI express port
> when it detects a card is present.
> When Linux boots, it enumerates the bus and sees it, but does not do
> prior configuration to enable, configure and cause link negotiation on
> all PCI express ports I believe; this requires chipset and (sometimes
> revision-) specific code, which wouldn't be so robust as the BIOS
> doing the footwork.

Actually, for me, loading pciehp with pciehp_force=1 set works.
Chris Adams <>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.

  reply	other threads:[~2007-05-05  1:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-04 10:04 Daniel J Blueman
2007-05-05  1:52 ` Chris Adams [this message]
  -- strict thread matches above, loose matches on Subject: below --
2007-05-04  0:10 Chris Adams

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