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From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Wed, 30 Jan 2019 17:48:52 +0200
Message-ID: <CAHp75VeRVThOnL8Lo2TENB0zdcW1Sd00CL88ha6h+QGceBr7sg@mail.gmail.com>
Subject: Re: [PATCH v3 3/3] platform/x86: wmi: use MODULE_DEVICE_TABLE()
 instead of MODULE_ALIAS()
To:     Mattias Jacobsson <2pi@mok.nu>
Cc:     Mario Limonciello <mario.limonciello@dell.com>,
        Darren Hart <dvhart@infradead.org>,
        Andy Shevchenko <andy@infradead.org>,
        Matthew Garrett <mjg59@srcf.ucam.org>,
        =?UTF-8?Q?Pali_Roh=C3=A1r?= <pali.rohar@gmail.com>,
        Platform Driver <platform-driver-x86@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Sender: linux-kernel-owner@vger.kernel.org
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On Wed, Jan 30, 2019 at 5:15 PM Mattias Jacobsson <2pi@mok.nu> wrote:
>
> WMI drivers can if they have specified an array of struct wmi_device_id
> use the MODULE_DEVICE_TABLE() macro to automatically generate the
> appropriate MODULE_ALIAS() output. Thus avoiding to keep both the array
> of struct wmi_device_id and the MODULE_ALIAS() declaration(s) in sync.
>
> Change all drivers that have specified an array of struct wmi_device_id
> to use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS().

Please, split this per driver basis. It would help in maintenance phase...

> Signed-off-by: Mattias Jacobsson <2pi@mok.nu>

> Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>

...and AFAIU Mario gave his tag only for Dell related stuff.

> ---
>  drivers/platform/x86/dell-smbios-wmi.c       | 2 +-
>  drivers/platform/x86/dell-wmi-descriptor.c   | 2 +-
>  drivers/platform/x86/dell-wmi.c              | 4 ++--
>  drivers/platform/x86/huawei-wmi.c            | 3 +--
>  drivers/platform/x86/intel-wmi-thunderbolt.c | 2 +-
>  drivers/platform/x86/wmi-bmof.c              | 2 +-
>  6 files changed, 7 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/platform/x86/dell-smbios-wmi.c b/drivers/platform/x86/dell-smbios-wmi.c
> index cf2229ece9ff..c3ed3c8c17b9 100644
> --- a/drivers/platform/x86/dell-smbios-wmi.c
> +++ b/drivers/platform/x86/dell-smbios-wmi.c
> @@ -277,4 +277,4 @@ void exit_dell_smbios_wmi(void)
>         wmi_driver_unregister(&dell_smbios_wmi_driver);
>  }
>
> -MODULE_ALIAS("wmi:" DELL_WMI_SMBIOS_GUID);
> +MODULE_DEVICE_TABLE(wmi, dell_smbios_wmi_id_table);
> diff --git a/drivers/platform/x86/dell-wmi-descriptor.c b/drivers/platform/x86/dell-wmi-descriptor.c
> index 072821aa47fc..14ab250b7d5a 100644
> --- a/drivers/platform/x86/dell-wmi-descriptor.c
> +++ b/drivers/platform/x86/dell-wmi-descriptor.c
> @@ -207,7 +207,7 @@ static struct wmi_driver dell_wmi_descriptor_driver = {
>
>  module_wmi_driver(dell_wmi_descriptor_driver);
>
> -MODULE_ALIAS("wmi:" DELL_WMI_DESCRIPTOR_GUID);
> +MODULE_DEVICE_TABLE(wmi, dell_wmi_descriptor_id_table);
>  MODULE_AUTHOR("Mario Limonciello <mario.limonciello@dell.com>");
>  MODULE_DESCRIPTION("Dell WMI descriptor driver");
>  MODULE_LICENSE("GPL");
> diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
> index 16c7f3d9a335..0602aba62b3f 100644
> --- a/drivers/platform/x86/dell-wmi.c
> +++ b/drivers/platform/x86/dell-wmi.c
> @@ -50,8 +50,6 @@ MODULE_LICENSE("GPL");
>
>  static bool wmi_requires_smbios_request;
>
> -MODULE_ALIAS("wmi:"DELL_EVENT_GUID);
> -
>  struct dell_wmi_priv {
>         struct input_dev *input_dev;
>         u32 interface_version;
> @@ -738,3 +736,5 @@ static void __exit dell_wmi_exit(void)
>         wmi_driver_unregister(&dell_wmi_driver);
>  }
>  module_exit(dell_wmi_exit);
> +
> +MODULE_DEVICE_TABLE(wmi, dell_wmi_id_table);
> diff --git a/drivers/platform/x86/huawei-wmi.c b/drivers/platform/x86/huawei-wmi.c
> index 59872f87b741..52fcac5b393a 100644
> --- a/drivers/platform/x86/huawei-wmi.c
> +++ b/drivers/platform/x86/huawei-wmi.c
> @@ -201,8 +201,7 @@ static struct wmi_driver huawei_wmi_driver = {
>
>  module_wmi_driver(huawei_wmi_driver);
>
> -MODULE_ALIAS("wmi:"WMI0_EVENT_GUID);
> -MODULE_ALIAS("wmi:"AMW0_EVENT_GUID);
> +MODULE_DEVICE_TABLE(wmi, huawei_wmi_id_table);
>  MODULE_AUTHOR("Ayman Bagabas <ayman.bagabas@gmail.com>");
>  MODULE_DESCRIPTION("Huawei WMI hotkeys");
>  MODULE_LICENSE("GPL v2");
> diff --git a/drivers/platform/x86/intel-wmi-thunderbolt.c b/drivers/platform/x86/intel-wmi-thunderbolt.c
> index 9ded8e2af312..4dfa61434a76 100644
> --- a/drivers/platform/x86/intel-wmi-thunderbolt.c
> +++ b/drivers/platform/x86/intel-wmi-thunderbolt.c
> @@ -88,7 +88,7 @@ static struct wmi_driver intel_wmi_thunderbolt_driver = {
>
>  module_wmi_driver(intel_wmi_thunderbolt_driver);
>
> -MODULE_ALIAS("wmi:" INTEL_WMI_THUNDERBOLT_GUID);
> +MODULE_DEVICE_TABLE(wmi, intel_wmi_thunderbolt_id_table);
>  MODULE_AUTHOR("Mario Limonciello <mario.limonciello@dell.com>");
>  MODULE_DESCRIPTION("Intel WMI Thunderbolt force power driver");
>  MODULE_LICENSE("GPL v2");
> diff --git a/drivers/platform/x86/wmi-bmof.c b/drivers/platform/x86/wmi-bmof.c
> index c4530ba715e8..8751a13134be 100644
> --- a/drivers/platform/x86/wmi-bmof.c
> +++ b/drivers/platform/x86/wmi-bmof.c
> @@ -119,7 +119,7 @@ static struct wmi_driver wmi_bmof_driver = {
>
>  module_wmi_driver(wmi_bmof_driver);
>
> -MODULE_ALIAS("wmi:" WMI_BMOF_GUID);
> +MODULE_DEVICE_TABLE(wmi, wmi_bmof_id_table);
>  MODULE_AUTHOR("Andrew Lutomirski <luto@kernel.org>");
>  MODULE_DESCRIPTION("WMI embedded Binary MOF driver");
>  MODULE_LICENSE("GPL");
> --
> 2.20.1
>


-- 
With Best Regards,
Andy Shevchenko