linux-kernel - Re: [PATCH v1 1/1] clk: x86: Rename clk-lpt to more specific clk-lpss-atom

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Message-ID: <CAJZ5v0h6OQDB2hijnfinwpwpo_483UkcjGi8jYX4J6VETqLBEA@mail.gmail.com>
Date:   Fri, 23 Jul 2021 15:40:14 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Subject: Re: [PATCH v1 1/1] clk: x86: Rename clk-lpt to more specific clk-lpss-atom

On Thu, Jul 22, 2021 at 9:34 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> The LPT stands for Lynxpoint PCH. However the driver is used on a few
> Intel Atom SoCs. Rename it to reflect this in a way how another clock
> driver, i.e. clk-pmc-atom, is called.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>
> Good to go either via ACPI or CCF tree.

In case you want the latter:

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

>  drivers/acpi/acpi_lpss.c                       |  6 ++++--
>  drivers/clk/x86/Makefile                       |  2 +-
>  drivers/clk/x86/{clk-lpt.c => clk-lpss-atom.c} | 12 ++++++------
>  include/linux/platform_data/x86/clk-lpss.h     |  2 +-
>  4 files changed, 12 insertions(+), 10 deletions(-)
>  rename drivers/clk/x86/{clk-lpt.c => clk-lpss-atom.c} (76%)
>
> diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
> index 894b7e6ae144..7f163074e4e4 100644
> --- a/drivers/acpi/acpi_lpss.c
> +++ b/drivers/acpi/acpi_lpss.c
> @@ -385,7 +385,9 @@ static struct platform_device *lpss_clk_dev;
>
>  static inline void lpt_register_clock_device(void)
>  {
> -       lpss_clk_dev = platform_device_register_simple("clk-lpt", -1, NULL, 0);
> +       lpss_clk_dev = platform_device_register_simple("clk-lpss-atom",
> +                                                      PLATFORM_DEVID_NONE,
> +                                                      NULL, 0);
>  }
>
>  static int register_device_clock(struct acpi_device *adev,
> @@ -1337,7 +1339,7 @@ void __init acpi_lpss_init(void)
>         const struct x86_cpu_id *id;
>         int ret;
>
> -       ret = lpt_clk_init();
> +       ret = lpss_atom_clk_init();
>         if (ret)
>                 return;
>
> diff --git a/drivers/clk/x86/Makefile b/drivers/clk/x86/Makefile
> index 18564efdc651..1244c4e568ff 100644
> --- a/drivers/clk/x86/Makefile
> +++ b/drivers/clk/x86/Makefile
> @@ -1,6 +1,6 @@
>  # SPDX-License-Identifier: GPL-2.0-only
>  obj-$(CONFIG_PMC_ATOM)         += clk-pmc-atom.o
>  obj-$(CONFIG_X86_AMD_PLATFORM_DEVICE)  += clk-fch.o
> -clk-x86-lpss-objs              := clk-lpt.o
> +clk-x86-lpss-y                 := clk-lpss-atom.o
>  obj-$(CONFIG_X86_INTEL_LPSS)   += clk-x86-lpss.o
>  obj-$(CONFIG_CLK_LGM_CGU)      += clk-cgu.o clk-cgu-pll.o clk-lgm.o
> diff --git a/drivers/clk/x86/clk-lpt.c b/drivers/clk/x86/clk-lpss-atom.c
> similarity index 76%
> rename from drivers/clk/x86/clk-lpt.c
> rename to drivers/clk/x86/clk-lpss-atom.c
> index fbe9fd3ed948..aa9d0bb98f8b 100644
> --- a/drivers/clk/x86/clk-lpt.c
> +++ b/drivers/clk/x86/clk-lpss-atom.c
> @@ -13,7 +13,7 @@
>  #include <linux/platform_data/x86/clk-lpss.h>
>  #include <linux/platform_device.h>
>
> -static int lpt_clk_probe(struct platform_device *pdev)
> +static int lpss_atom_clk_probe(struct platform_device *pdev)
>  {
>         struct lpss_clk_data *drvdata;
>         struct clk *clk;
> @@ -34,14 +34,14 @@ static int lpt_clk_probe(struct platform_device *pdev)
>         return 0;
>  }
>
> -static struct platform_driver lpt_clk_driver = {
> +static struct platform_driver lpss_atom_clk_driver = {
>         .driver = {
> -               .name = "clk-lpt",
> +               .name = "clk-lpss-atom",
>         },
> -       .probe = lpt_clk_probe,
> +       .probe = lpss_atom_clk_probe,
>  };
>
> -int __init lpt_clk_init(void)
> +int __init lpss_atom_clk_init(void)
>  {
> -       return platform_driver_register(&lpt_clk_driver);
> +       return platform_driver_register(&lpss_atom_clk_driver);
>  }
> diff --git a/include/linux/platform_data/x86/clk-lpss.h b/include/linux/platform_data/x86/clk-lpss.h
> index 207e1a317800..41df326583f9 100644
> --- a/include/linux/platform_data/x86/clk-lpss.h
> +++ b/include/linux/platform_data/x86/clk-lpss.h
> @@ -15,6 +15,6 @@ struct lpss_clk_data {
>         struct clk *clk;
>  };
>
> -extern int lpt_clk_init(void);
> +extern int lpss_atom_clk_init(void);
>
>  #endif /* __CLK_LPSS_H */
> --
> 2.30.2
>