On Tue, Oct 6, 2020 at 12:21 PM Leon Romanovsky <leon@xxxxxxxxxx> 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@xxxxxxxxxx> > > > > > 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@xxxxxxxxx/ > > "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.
