From: Matthew Wilcox <matthew@wil.cx>
To: Christophe Lucas <c.lucas@ifrance.com>
Cc: kernel-janitors@lists.osdl.org, Jeff Garzik <jgarzik@pobox.com>,
linux-kernel@vger.kernel.org
Subject: Re: [KJ] [PATCH] drivers/char/watchdog/* : pci_request_regions
Date: Mon, 14 Feb 2005 15:12:44 +0000 [thread overview]
Message-ID: <20050214151244.GF29917@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <20050214150111.GH20620@rhum.iomeda.fr>
On Mon, Feb 14, 2005 at 04:01:11PM +0100, Christophe Lucas wrote:
> If PCI request regions fails, then someone else is using the
> hardware we wish to use. For that one case, calling
> pci_disable_device() is rather rude.
> See : http://www.ussg.iu.edu/hypermail/linux/kernel/0502.1/1061.html
Actually, that isn't necessarily true. If the request_regions call fails,
that can mean there's a resource conflict. If so, leaving the device
enabled is the worst possible thing to do as we'll now have two devices
trying to respond to the same io accesses.
--
"Next the statesmen will invent cheap lies, putting the blame upon
the nation that is attacked, and every man will be glad of those
conscience-soothing falsities, and will diligently study them, and refuse
to examine any refutations of them; and thus he will by and by convince
himself that the war is just, and will thank God for the better sleep
he enjoys after this process of grotesque self-deception." -- Mark Twain
next parent reply other threads:[~2005-02-14 15:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20050214150111.GH20620@rhum.iomeda.fr>
2005-02-14 15:12 ` Matthew Wilcox [this message]
2005-02-17 18:49 ` Jeff Garzik
2005-02-17 19:04 ` Matthew Wilcox
2005-02-17 19:22 ` Jeff Garzik
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