linux-kernel - Re: [PATCH v5 07/11] platform/x86: int3472: Split into 2 drivers

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Date:   Tue, 2 Nov 2021 16:12:54 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Mark Gross <markgross@...nel.org>,
        Andy Shevchenko <andy@...radead.org>,
        Wolfram Sang <wsa@...-dreams.de>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Daniel Scally <djrscally@...il.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Len Brown <lenb@...nel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-i2c <linux-i2c@...r.kernel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Kate Hsuan <hpa@...hat.com>,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>
Subject: Re: [PATCH v5 07/11] platform/x86: int3472: Split into 2 drivers

On Tue, Nov 2, 2021 at 11:49 AM Hans de Goede <hdegoede@...hat.com> wrote:
>
> The intel_skl_int3472.ko module contains 2 separate drivers,
> the int3472_discrete platform driver and the int3472_tps68470
> I2C-driver.
>
> These 2 drivers contain very little shared code, only
> skl_int3472_get_acpi_buffer() and skl_int3472_fill_cldb() are
> shared.
>
> Split the module into 2 drivers, linking the little shared code
> directly into both.
>
> This will allow us to add soft-module dependencies for the
> tps68470 clk, gpio and regulator drivers to the new
> intel_skl_int3472_tps68470.ko to help with probe ordering issues
> without causing these modules to get loaded on boards which only
> use the int3472_discrete platform driver.
>
> While at it also rename the .c and .h files to remove the
> cumbersome intel_skl_int3472_ prefix.
>
> Signed-off-by: Hans de Goede <hdegoede@...hat.com>
> ---
> Note git rename detection is failing for the new common.c but this is
> just the old intel_skl_int3472_common.c with the driver registering
> bits removed.

-M accepts a parameter (in percents) to set the threshold. Default is
something like ~70 (?). You may play with it and see when it starts
detecting the rename.

-- 
With Best Regards,
Andy Shevchenko