linux-kernel - Re: [PATCH] powerpc/pci: Add config option for using OF 'reg' for PCI domain

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Message-ID: <20220610073529.n263gub3pv7jej7a@pali>
Date:   Fri, 10 Jun 2022 09:35:29 +0200
From:   Pali Rohár <pali@...nel.org>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/pci: Add config option for using OF 'reg' for
 PCI domain

On Friday 10 June 2022 17:33:32 Michael Ellerman wrote:
> If you have scripts that are looking for certain devices they can use
> the vendor/device fields in sysfs to find the actual devices they want,
> not just whatever happens to be at 0000:01:00.0.

This does not work if you have more cards with same vendor+device ids in system.