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From: Tim Wright <timw@splhi.com>
To: dave.fraser@baesystems.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: Resetting a PCI device
Date: Fri, 27 Apr 2001 17:38:39 -0700	[thread overview]
Message-ID: <20010427173839.A2220@kochanski> (raw)
In-Reply-To: <001901c0ceff$c0ae88e0$64ccdd89@edinbr.gmav.gecm.com>
In-Reply-To: <001901c0ceff$c0ae88e0$64ccdd89@edinbr.gmav.gecm.com>; from dave.fraser@baesystems.com on Fri, Apr 27, 2001 at 10:52:20AM +0100

Not generally.
Systems that support hot-plug PCI also have the ability to reset individual
PCI slots (ISTR that it's a requirement). Sadly, this facility is not
generally available on "normal" systems.

Tim

On Fri, Apr 27, 2001 at 10:52:20AM +0100, dave.fraser@baesystems.com wrote:
> Is there any way of issuing a PCI reset (safely) without rebooting?  I am
> developing a peripheral device (using a pci card with an FPGA and a plx9080
> pci interface), and find that its local bus is prone to hanging up.  It
> would be nice if I could just reset the entire device via the PCI reset,
> without having to go through the hassle of a reboot.  Is this wishful
> thinking?
> 
> - Dave
> 
> ---------------------------------------------------------------------
>  Dave Fraser
>  Development Engineer
>  BAE Systems, Ferry Road,
>  Edinburgh, EH5 2XS
>  Tel: +44 131 3434729
>  Fax: +44 131 3434124
> ---------------------------------------------------------------------
> 
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-- 
Tim Wright - timw@splhi.com or timw@aracnet.com or twright@us.ibm.com
IBM Linux Technology Center, Beaverton, Oregon
Interested in Linux scalability ? Look at http://lse.sourceforge.net/
"Nobody ever said I was charming, they said "Rimmer, you're a git!"" RD VI

      parent reply	other threads:[~2001-04-28  0:39 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-04-27  9:52 Resetting a PCI device dave.fraser
2001-04-27 10:17 ` Francois Romieu
2001-04-27 10:29 ` Eric Pennamen
2001-04-28  0:38 ` Tim Wright [this message]

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