linux-kernel - Re: [PATCH 4/8] clk: sunxi-ng: Rename files to match Kconfig and drivers

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Date:   Fri, 3 Sep 2021 15:57:14 -0500
From:   Samuel Holland <samuel@...lland.org>
To:     Maxime Ripard <maxime@...no.tech>
Cc:     Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/8] clk: sunxi-ng: Rename files to match Kconfig and
 drivers

Hi Maxime,

On 9/3/21 4:10 AM, Maxime Ripard wrote:
> Hi,
> 
> On Wed, Sep 01, 2021 at 12:05:22AM -0500, Samuel Holland wrote:
>> When the drivers are built as modules, the file name will become the
>> module name. Rename the files so everything matches: the Kconfig symbol,
>> the platform driver name (as seen in sysfs), and the module name.
>>
>> Signed-off-by: Samuel Holland <samuel@...lland.org>
> 
> I'm not a big fan of big renames like this, it makes merging and
> backporting patches harder in the long term.

I can split this into two commits, first the .c files and then the .h
files, so everything is a 100% rename, if that makes a difference.

> I assume you did this to make the module autoloading work? If so, using
> MODULE_ALIAS would be less intrusive

Autoloading should work anyway, since there is a module alias for the
compatible string. This change is more about the principle of least
surprise. The compatible is allwinner,sun50i-a64-ccu, the Kconfig symbol
is SUN50I_A64_CCU, the driver name (in /sys/bus/platform/drivers) is
sun50i_a64_ccu, but yet the module name is ccu-sun50i-a64???

Once we allow building modules, the names are ABI, and this
inconsistency will bother me until the end of time :)

If there is a way to completely rename the module without renaming the
files (not adding an alias), then that would be enough for me.

Regards,
Samuel