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Message-ID: <CAMuHMdWkavUwZrfuJ5YSsb2kkHVZ0TCzcme5o6CkYGcSDVt+jw@mail.gmail.com>
Date:   Thu, 23 Mar 2023 17:28:55 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Bjorn Helgaas <helgaas@...nel.org>,
        Mickaël Salaün <mic@...ikod.net>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Randy Dunlap <rdunlap@...radead.org>,
        Arnd Bergmann <arnd@...db.de>,
        Niklas Schnelle <schnelle@...ux.ibm.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Pali Rohár <pali@...nel.org>,
        "Maciej W. Rozycki" <macro@...am.me.uk>,
        Juergen Gross <jgross@...e.com>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        linux-kernel@...r.kernel.org, linux-alpha@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org,
        sparclinux@...r.kernel.org, linux-pci@...r.kernel.org,
        xen-devel@...ts.xenproject.org, linux-acpi@...r.kernel.org,
        Miguel Ojeda <ojeda@...nel.org>,
        Richard Henderson <richard.henderson@...aro.org>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        Matt Turner <mattst88@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Anatolij Gustschin <agust@...x.de>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        "David S. Miller" <davem@...emloft.net>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>
Subject: Re: [PATCH v6 1/4] PCI: Introduce pci_dev_for_each_resource()

Hi Andy,

On Thu, Mar 23, 2023 at 4:15 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
> On Thu, Mar 23, 2023 at 10:02:38AM -0500, Bjorn Helgaas wrote:
> > I poked around looking for similar patterns elsewhere with:
> >   git grep "#define.*for_each_.*_p("
> >   git grep "#define.*for_each_.*_idx("
> >
> > I didn't find any other "_p" iterators and just a few "_idx" ones, so
> > my hope is to follow what little precedent there is, as well as
> > converge on the basic "*_for_each_resource()" iterators and remove the
> > "_idx()" versions over time by doing things like the
> > pci_claim_resource() change.
>
> The p is heavily used in the byte order conversion helpers.

I can't seem to find them. Example?

Or do you mean cpu_to_be32p()? There "p" means pointer,
which is something completely different.

> > What do you think?  If it seems like excessive churn, we can do it
> > as-is and still try to reduce the use of the index variable over time.
>
> I think _p has a precedent as well. But I can think about it a bit, maybe
> we can come up with something smarter.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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