linux-kernel - Re: [PATCH v5 4/4] asm-generic: Add new pci.h and use it

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Date:   Sat, 23 Jul 2022 06:43:31 +0900
From:   Stafford Horne <shorne@...il.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Bjorn Helgaas <helgaas@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Pierre Morel <pmorel@...ux.ibm.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Guo Ren <guoren@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Richard Weinberger <richard@....at>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        Johannes Berg <johannes@...solutions.net>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-csky@...r.kernel.org,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        linux-um <linux-um@...ts.infradead.org>,
        linux-pci <linux-pci@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH v5 4/4] asm-generic: Add new pci.h and use it

On Fri, Jul 22, 2022 at 09:53:07AM +0200, Arnd Bergmann wrote:
> On Thu, Jul 21, 2022 at 11:58 PM Stafford Horne <shorne@...il.com> wrote:
> > On Thu, Jul 21, 2022 at 12:37:33PM -0500, Bjorn Helgaas wrote:
> 
> >
> > Thanks, you are right, I think some of the earlier functions may have needed it,
> > which is why I had it earlier.  But now that we have removed those we should be
> > able to remove this.
> >
> > That said, I think some of the architecture includes could also be removed.  On
> > OpenRISC we are able to get away with only having the global asm-generic/pci.h
> > so we don't need a wrapper pci.h header at all.
> >
> > However, I don't have everything setup to build all of those architectures so I
> > was being a bit conservative to remove headers.  I'll see what I can do in the
> > next version.
> 
> No need to worry about linux/types.h, this is pretty much included everywhere
> already and neither the risk of extraneous includes or missing ones is
> something to worry about. I'd just remove it if you do another respin, or
> we can leave it in if Bjorn wants to just apply the v5 version.

I will respin a v6 as we didn't get a reply on this.  Bjorn are you planning to
apply the series before the upcoming merge window?

Originally I was thinking to merge these with my OpenRISC PCI support patches as
OpenRISC depends on this.  However, the series is getting a bit more involved
for OpenRISC only.

Once you get it merged I will like to rebase my OpenRISC PCI support patches on
you branch.  Hopefully, we can make it by the merge window.

Also, Palmer has a conflict with the series and his RISC-V for-next branch.
He would like to have a tag or branch to be able to merge into is branch to
resolve the conflict.

-Stafford