Subject: Re: [PATCH v2 1/6] Add ancillary bus support
On Tue, Oct 6, 2020 at 12:21 PM Leon Romanovsky leon@kernel.org wrote:
On Tue, Oct 06, 2020 at 05:41:00PM +0000, Saleem, Shiraz wrote:
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@kernel.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.
Greg summarized it very well, every internal conversation about this patch with my colleagues (non-english speakers) starts with the question: "What does ancillary mean?" https://lore.kernel.org/alsa-devel/20201001071403.GC31191@kroah.com/
"For non-native english speakers this is going to be rough, given that I as a native english speaker had to go look up the word in a dictionary to fully understand what you are trying to do with that name."
I suggested "auxiliary" in another splintered thread on this question. In terms of what the kernel is already using:
$ git grep auxiliary | wc -l 507 $ git grep ancillary | wc -l 153
Empirically, "auxiliary" is more common and closely matches the intended function of these devices relative to their parent device.
auxiliary bus is a befitting name as well.