linux-kernel - Re: [PATCH v2 08/11] driver core: fw_devlink: Make cycle detection more robust

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Message-ID: <Y9ffVEa1KECKqBGB@smile.fi.intel.com>
Date:   Mon, 30 Jan 2023 17:16:36 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Saravana Kannan <saravanak@...gle.com>,
        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>,
        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 08/11] driver core: fw_devlink: Make cycle detection
 more robust

On Mon, Jan 30, 2023 at 03:36:04PM +0100, Geert Uytterhoeven wrote:
> On Mon, Jan 30, 2023 at 1:16 PM Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
> > On Fri, Jan 27, 2023 at 11:34:28PM -0800, Saravana Kannan wrote:
> > > On Fri, Jan 27, 2023 at 1:43 AM Andy Shevchenko
> > > <andriy.shevchenko@...ux.intel.com> wrote:
> > > > On Thu, Jan 26, 2023 at 04:11:35PM -0800, Saravana Kannan wrote:
> > > > > +static bool __fw_devlink_relax_cycles(struct device *con,
> > > > > +                              struct fwnode_handle *sup_handle)
> > > > > +{
> > > > > +     struct fwnode_link *link;
> > > > > +     struct device_link *dev_link;
> > > >
> > > > > +     struct device *sup_dev = NULL, *par_dev = NULL;
> > > >
> > > > You can put it the first line since it's long enough.
> > >
> > > Wait, is that a style guideline to have the longer lines first?
> >
> > No, but it's easier to read.
> 
> Yes it is, "reverse xmas tree" local variable ordering:
> https://elixir.bootlin.com/linux/v6.2-rc6/source/Documentation/process/maintainer-netdev.rst#L272

Good to  know, thanks!

-- 
With Best Regards,
Andy Shevchenko