linux-kernel - Re: [PATCH 2/4] lib: move pci-specific devres code to drivers/pci/

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Message-ID: <d38d1149fdf5eb0cc4da12402ca03604beba1881.camel@redhat.com>
Date:   Tue, 21 Nov 2023 09:00:58 +0100
From:   Philipp Stanner <pstanner@...hat.com>
To:     Arnd Bergmann <arnd@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Eric Auger <eric.auger@...hat.com>,
        Kent Overstreet <kent.overstreet@...il.com>,
        Niklas Schnelle <schnelle@...ux.ibm.com>,
        Neil Brown <neilb@...e.de>, John Sanpe <sanpeqf@...il.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Yury Norov <yury.norov@...il.com>,
        Kees Cook <keescook@...omium.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        David Gow <davidgow@...gle.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Thomas Gleixner <tglx@...utronix.de>,
        "wuqiang.matt" <wuqiang.matt@...edance.com>,
        Jason Baron <jbaron@...mai.com>,
        Ben Dooks <ben.dooks@...ethink.co.uk>,
        Danilo Krummrich <dakr@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        pstanner@...hat.com
Subject: Re: [PATCH 2/4] lib: move pci-specific devres code to drivers/pci/

On Tue, 2023-11-21 at 08:29 +0100, Arnd Bergmann wrote:
> On Mon, Nov 20, 2023, at 22:59, Philipp Stanner wrote:
> > The pcim_*() functions in lib/devres.c are guarded by an #ifdef
> > CONFIG_PCI and, thus, don't belong to this file. They are only ever
> > used
> > for pci and not generic infrastructure.
> > 
> > Move all pcim_*() functions in lib/devres.c to drivers/pci/devres.c
> > 
> > Suggested-by: Danilo Krummrich <dakr@...hat.com>
> > Signed-off-by: Philipp Stanner <pstanner@...hat.com>
> > ---
> >  drivers/pci/Makefile |   2 +-
> >  drivers/pci/devres.c | 207
> > ++++++++++++++++++++++++++++++++++++++++++
> >  lib/devres.c         | 208 +--------------------------------------
> > ----
> 
> Since you are moving the pci_iomap() code into drivers/pci/ already,
> I'd suggest merging this one into the same file and keep the two
> halves of this interface together.


I'd argue that they are as much together as they were before:

Previously:
 * PCI-IOMAP-code in folder lib/ in its own file (pci_iomap.c)
 * PCI-Devres-code in folder lib/ in a distinct file (devres.c)

Now:
 * PCI-IOMAP-code in folder drivers/pci/ in its own file (iomap.c)
 * PCI-Devres-code in folder drivers/pci/ in its own file (devres.c)

Or am I misunderstanding something?


P.

> 
>      Arnd
>