linux-kernel - Re: [PATCH v2 5/7] driver core: Add device location to "struct device" and expose it in sysfs

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Message-ID: <20200630104948.GC856968@kuha.fi.intel.com>
Date:   Tue, 30 Jun 2020 13:49:48 +0300
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Rajat Jain <rajatja@...gle.com>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Joerg Roedel <joro@...tes.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, iommu@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-acpi@...r.kernel.org, Raj Ashok <ashok.raj@...el.com>,
        lalithambika.krishnakumar@...el.com,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        Prashant Malani <pmalani@...gle.com>,
        Benson Leung <bleung@...gle.com>,
        Todd Broch <tbroch@...gle.com>,
        Alex Levin <levinale@...gle.com>,
        Mattias Nissler <mnissler@...gle.com>,
        Rajat Jain <rajatxjain@...il.com>,
        Bernie Keany <bernie.keany@...el.com>,
        Aaron Durbin <adurbin@...gle.com>,
        Diego Rivas <diegorivas@...gle.com>,
        Duncan Laurie <dlaurie@...gle.com>,
        Furquan Shaikh <furquan@...gle.com>,
        Jesse Barnes <jsbarnes@...gle.com>,
        Christian Kellner <christian@...lner.me>,
        Alex Williamson <alex.williamson@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        oohall@...il.com, Saravana Kannan <saravanak@...gle.com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v2 5/7] driver core: Add device location to "struct
 device" and expose it in sysfs

On Mon, Jun 29, 2020 at 09:49:41PM -0700, Rajat Jain wrote:
> Add a new (optional) field to denote the physical location of a device
> in the system, and expose it in sysfs. This was discussed here:
> https://lore.kernel.org/linux-acpi/20200618184621.GA446639@kroah.com/
> 
> (The primary choice for attribute name i.e. "location" is already
> exposed as an ABI elsewhere, so settled for "site"). Individual buses
> that want to support this new attribute can opt-in by setting a flag in
> bus_type, and then populating the location of device while enumerating
> it.

So why not just call it "physical_location"?


thanks,

-- 
heikki