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From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linux-pci@vger.kernel.org,
	Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: Probing unconfigured PCI bridge resouces
Date: Fri, 27 Jan 2012 09:36:58 -0800	[thread overview]
Message-ID: <20120127093658.27dc258b@jbarnes-desktop> (raw)
In-Reply-To: <1327380633.19850.33.camel@pasglop>

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On Tue, 24 Jan 2012 15:50:33 +1100
Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:

> On Tue, 2012-01-24 at 15:25 +1100, Benjamin Herrenschmidt wrote:
>  .../...
> 
> > Or am I missing some important fact here ?
> 
> Ok, I think I was missing pci_bridge_check_ranges(), gotta figure now
> why this didn't kick in properly for me, probably some arch code
> crackpot.
> 
> One thing I noticed is that we do clear IORESOURCE_UNSET in setup-res.c
> when setting up a device resource but we don't clear it for bridges in
> generic code ever, so it leaks all the way through from my early arch
> code. Not a big deal but annoying.

Maybe you can fix that when you unify your arch resource handling code
with the core one day. :)

There have been a lot of changes to handle re-allocation and such, and
I'm sure there's more duplication now...

-- 
Jesse Barnes, Intel Open Source Technology Center

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  reply	other threads:[~2012-01-27 17:37 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-24  4:25 Probing unconfigured PCI bridge resouces Benjamin Herrenschmidt
2012-01-24  4:50 ` Benjamin Herrenschmidt
2012-01-27 17:36   ` Jesse Barnes [this message]
2012-01-27 22:16     ` Benjamin Herrenschmidt

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