netdev - RE: [PATCH v2 1/6] Add ancillary bus support

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Message-ID: <3ff1445d86564ef3aae28d1d1a9a19ea@intel.com>
Date:   Tue, 6 Oct 2020 17:41:00 +0000
From:   "Saleem, Shiraz" <shiraz.saleem@...el.com>
To:     Leon Romanovsky <leon@...nel.org>, Parav Pandit <parav@...dia.com>
CC:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        "Ertman, David M" <david.m.ertman@...el.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "parav@...lanox.com" <parav@...lanox.com>,
        "tiwai@...e.de" <tiwai@...e.de>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "ranjani.sridharan@...ux.intel.com" 
        <ranjani.sridharan@...ux.intel.com>,
        "fred.oh@...ux.intel.com" <fred.oh@...ux.intel.com>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "dledford@...hat.com" <dledford@...hat.com>,
        "broonie@...nel.org" <broonie@...nel.org>,
        Jason Gunthorpe <jgg@...dia.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "Williams, Dan J" <dan.j.williams@...el.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "Patil, Kiran" <kiran.patil@...el.com>
Subject: RE: [PATCH v2 1/6] Add ancillary bus support

> Subject: Re: [PATCH v2 1/6] Add ancillary bus support
> 
> On Tue, Oct 06, 2020 at 05:09:09PM +0000, Parav Pandit wrote:
> >
> > > From: Leon Romanovsky <leon@...nel.org>
> > > Sent: Tuesday, October 6, 2020 10:33 PM
> > >
> > > On Tue, Oct 06, 2020 at 10:18:07AM -0500, Pierre-Louis Bossart wrote:
> > > > Thanks for the review Leon.
> > > >
> > > > > > Add support for the Ancillary Bus, ancillary_device and ancillary_driver.
> > > > > > It enables drivers to create an ancillary_device and bind an
> > > > > > ancillary_driver to it.
> > > > >
> > > > > I was under impression that this name is going to be changed.
> > > >
> > > > It's part of the opens stated in the cover letter.
> > >
> > > ok, so what are the variants?
> > > system bus (sysbus), sbsystem bus (subbus), crossbus ?
> > Since the intended use of this bus is to
> > (a) create sub devices that represent 'functional separation' and
> > (b) second use case for subfunctions from a pci device,
> >
> > I proposed below names in v1 of this patchset.
> >
> > (a) subdev_bus
> 
> It sounds good, just can we avoid "_" in the name and call it subdev?
> 

What is wrong with naming the bus 'ancillary bus'? I feel it's a fitting name.
An ancillary software bus for ancillary devices carved off a parent device registered on a primary bus.