linux-kernel - Re: [PATCH 0/3] sh: make early

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Date:   Mon, 30 Apr 2018 12:42:50 -0400
From:   Rich Felker <dalias@...c.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Sekhar Nori <nsekhar@...com>, Kevin Hilman <khilman@...nel.org>,
        David Lechner <david@...hnology.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Rutland <mark.rutland@....com>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Marc Zyngier <marc.zyngier@....com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Peter Rosin <peda@...ntia.se>, Jiri Slaby <jslaby@...e.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org, linux-sh@...r.kernel.org
Subject: Re: [PATCH 0/3] sh: make early_platform code SuperH-specific

On Mon, Apr 30, 2018 at 06:35:53PM +0200, Bartosz Golaszewski wrote:
> I recently started a discussion about the need for a proper early device
> probing mechanism[1]. One that would be based on real platform drivers
> and support both platform data and device tree.
> 
> While we're far from reaching any consensus on the implementation, Arnd
> suggested that I start off by moving the SuperH-specific early platform
> drivers implementation to arch/sh[2].
> 
> This series is the first attempt at making way for a new, less hacky
> implementation.
> 
> The first patch removes the last instance of a non-sh driver using the
> early_platform API. It can be removed since ARM no longer probes early
> drivers.
> 
> The second patch moves all the early_platform code to arch/sh.
> 
> The last patch prefixes all early_platform symbols with 'sh_'.
> 
> [1] https://lkml.org/lkml/2018/4/26/657
> [2] https://lkml.org/lkml/2018/4/27/239
> 
> Bartosz Golaszewski (3):
>   clocksource: timer-ti-dm: remove the early platform driver
>     registration
>   platform: move the early platform device support to arch/sh
>   sh: add the sh_ prefix to early platform symbols

I can't say I like it, because I really want to be just removing all
this code, but I don't necessarily object and it might be the most
appropriate short-term action to clean up this mess without breaking
things.

Rich