linux-kernel - Re: [PATCH] PCI: Only enable IO window if supported

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Message-ID: <1435099588.3996.14.camel@kernel.crashing.org>
Date:	Wed, 24 Jun 2015 08:46:28 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Guenter Roeck <linux@...ck-us.net>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"suravee.suthikulpanit@....com" <suravee.suthikulpanit@....com>,
	Will Deacon <Will.Deacon@....com>
Subject: Re: [PATCH] PCI: Only enable IO window if supported

On Tue, 2015-06-02 at 15:55 +0100, Lorenzo Pieralisi wrote:
> While at it, do you think it is reasonable to also claim the bridge
> windows (resources) in the respective pci_read_bridge_* calls ?

No, don't claim in read. There's a clear distinction between gathering
resources and claiming them, and we need to keep that.

Some fixups might happen in between the two for example.

Cheers,
Ben.


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