linux-kernel - Re: [PATCH v2 05/11] driver core: fw_devlink: Add DL_FLAG

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Message-ID: <Y9ezKs4kJPS1S7Jl@smile.fi.intel.com>
Date:   Mon, 30 Jan 2023 14:08:10 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Saravana Kannan <saravanak@...gle.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Sudeep Holla <sudeep.holla@....com>,
        Cristian Marussi <cristian.marussi@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Len Brown <lenb@...nel.org>,
        Daniel Scally <djrscally@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Tony Lindgren <tony@...mide.com>,
        Linux Kernel Functional Testing <lkft@...aro.org>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        Abel Vesa <abel.vesa@...aro.org>,
        Alexander Stein <alexander.stein@...tq-group.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        John Stultz <jstultz@...gle.com>,
        Doug Anderson <dianders@...omium.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Maxim Kiselev <bigunclemax@...il.com>,
        Maxim Kochetkov <fido_max@...ox.ru>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Luca Weiss <luca.weiss@...rphone.com>,
        Colin Foster <colin.foster@...advantage.com>,
        Martin Kepplinger <martin.kepplinger@...i.sm>,
        Jean-Philippe Brucker <jpb@...nel.org>,
        kernel-team@...roid.com, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-acpi@...r.kernel.org
Subject: Re: [PATCH v2 05/11] driver core: fw_devlink: Add DL_FLAG_CYCLE
 support to device links

On Fri, Jan 27, 2023 at 11:34:11PM -0800, Saravana Kannan wrote:
> On Fri, Jan 27, 2023 at 1:30 AM Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
> > On Thu, Jan 26, 2023 at 04:11:32PM -0800, Saravana Kannan wrote:

...

> > >                              DL_FLAG_AUTOREMOVE_SUPPLIER | \
> > >                              DL_FLAG_AUTOPROBE_CONSUMER  | \
> > >                              DL_FLAG_SYNC_STATE_ONLY | \
> > > -                            DL_FLAG_INFERRED)
> > > +                            DL_FLAG_INFERRED | \
> > > +                            DL_FLAG_CYCLE)
> >
> > You can make less churn by squeezing the new one above the last one.
> 
> I feel like this part is getting bike shedded. I'm going to leave it
> as is. It's done in the order it's defined in the header and keeping
> it that way makes it way more easier to read than worry about a single
> line churn.

Not at all. What you are showing here is the additional churn for the sake of
the churn. With a no-cost trick you may avoid that.

Also, it will compress better the Git index and save some mW here and there
and in the size of the world and amount of Git copies of the Linux kernel
this may save the planet (I'm serious, no jokes).

-- 
With Best Regards,
Andy Shevchenko