linux-kernel - Re: [PATCH] EDAC/ie31200: fallback if host bridge device is already initialized

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Message-ID: <20200716185242.GA7045@agluck-desk2.amr.corp.intel.com>
Date:   Thu, 16 Jul 2020 11:52:42 -0700
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Jason Baron <jbaron@...mai.com>
Cc:     bp@...e.de, linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-edac <linux-edac@...r.kernel.org>
Subject: Re: [PATCH] EDAC/ie31200: fallback if host bridge device is already
 initialized

On Thu, Jul 16, 2020 at 02:25:11PM -0400, Jason Baron wrote:
> The Intel uncore driver may claim some of the pci ids from ie31200 which
> means that the ie31200 edac driver will not initialize them as part of
> pci_register_driver().
> 
> Let's add a fallback for this case to 'pci_get_device()' to get a
> reference on the device such that it can still be configured. This is
> similar in approach to other edac drivers.

What functionality is lost when this happens?

Does the user see some message in the console
log to let them know?

-Tony