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

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Message-ID: <f2e0e4d90f3008e40d81c50c8235b151ddc4705c.camel@linux.ibm.com>
Date:   Thu, 23 Mar 2023 16:33:36 +0100
From:   Niklas Schnelle <schnelle@...ux.ibm.com>
To:     Lee Jones <lee@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>, 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>,
        Geert Uytterhoeven <geert@...ux-m68k.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@...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

On Thu, 2023-03-23 at 14:53 +0000, Lee Jones wrote:
> On Thu, 23 Mar 2023, 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.
> 
> You only sent me this patch.
> 
> If there are in-set dependencies, you need to send everyone the whole
> set so that we can organise a suitable merge strategy between us.
> 
> I'll revert the patch for now.
> 
> --
> Lee Jones [李琼斯]

I know this isn't ideal and I'm sorry for the confusion, extra work and
churn. As far as I know sadly it's not possible to Cc everyone for such
treewide series because the recipient list will hit the limits
supported by some systems and mails get dropped which sucks even more.
Maybe this can be solved in the future though, Konstantin Ryabitsev
actually reached out because I mentioned that I tried using b4 prep /
b4 send but couldn't exactly because it only supports a global
recipient list.

Thanks,
Niklas