linux-kernel - Re: [PATCH v3 15/38] leds: add HAS

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Date:   Thu, 23 Mar 2023 17:11:39 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Niklas Schnelle <schnelle@...ux.ibm.com>,
        Lee Jones <lee@...nel.org>, Pavel Machek <pavel@....cz>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Alan Stern <stern@...land.harvard.edu>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-kernel@...r.kernel.org,
        Linux-Arch <linux-arch@...r.kernel.org>,
        linux-pci@...r.kernel.org, Arnd Bergmann <arnd@...nel.org>,
        linux-leds@...r.kernel.org
Subject: Re: [PATCH v3 15/38] leds: add HAS_IOPORT dependencies

Hi Arnd,

On Thu, Mar 23, 2023 at 2:32 PM Arnd Bergmann <arnd@...db.de> wrote:
> On Thu, Mar 23, 2023, at 13:42, Niklas Schnelle wrote:
> > On Thu, 2023-03-16 at 16:14 +0000, Lee Jones wrote:
> >> On Tue, 14 Mar 2023, Niklas Schnelle wrote:
> >>
> >> > In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
> >> > not being declared. We thus need to add HAS_IOPORT as dependency for
> >> > those drivers using them.
> >> >
> >> > Acked-by: Pavel Machek <pavel@....cz>
> >> > Co-developed-by: Arnd Bergmann <arnd@...nel.org>
> >> > Signed-off-by: Niklas Schnelle <schnelle@...ux.ibm.com>
> >> > ---
> >> >  drivers/leds/Kconfig | 2 +-
> >> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> Applied, thanks
> >
> > Sorry should have maybe been more clear, without patch 1 of this series
> > this won't work as the HAS_IOPORT config option is new and will be
> > missing otherwise. There's currently two options of merging this,
> > either all at once or first only patch 1 and then the additional
> > patches per subsystem until finally the last patch can remove
> > inb()/outb() and friends when HAS_IOPORT is unset.
>
> It's probably too late now to squeeze patch 1 into linux-6.3
> as a late preparation patch for the rest of the series in 6.4.
>
> It would be good if you could respin that patch separately
> anyway, so I can add it to the asm-generic tree and make
> sure we get it ready for the next merge window.

Through an immutable branch, else all dependencies have to wait
for v6.5?

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