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Date:   Thu, 31 Jan 2019 16:24:29 +0100
From:   Mattias Jacobsson <2pi@mok.nu>
To:     Andy Shevchenko <andy.shevchenko@gmail.com>
CC:     Mario Limonciello <mario.limonciello@dell.com>,
        Darren Hart <dvhart@infradead.org>,
        Andy Shevchenko <andy@infradead.org>,
        Matthew Garrett <mjg59@srcf.ucam.org>,
        Pali =?utf-8?B?Um9ow6Fy?= <pali.rohar@gmail.com>,
        Platform Driver <platform-driver-x86@vger.kernel.org>,
        "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
        <2pi@mok.nu>
Subject: Re: [PATCH v3 3/3] platform/x86: wmi: use MODULE_DEVICE_TABLE()
 instead of MODULE_ALIAS()
Message-ID: <20190131152428.lnoy3ibxipnwlxxu@mok.nu>
References: <cover.1548860212.git.2pi@mok.nu>
 <830f6043839606c6ed04dfeaceeb0ce4d9cd1b54.1548860212.git.2pi@mok.nu>
 <CAHp75VeRVThOnL8Lo2TENB0zdcW1Sd00CL88ha6h+QGceBr7sg@mail.gmail.com>
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On 2019-01-30, Andy Shevchenko wrote:
> 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...

Sure.

> 
> > 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.

Yes, that is correct. I applied the same reasoning as for the Acked-by:
tag in [1]: "Acked-by: does not necessarily indicate acknowledgement of
the entire patch.". Was that incorrect?

Anyway, now that we are splitting the patch up;

Mario: which files did you give the tag for? all involved *dell* files?

> 
> > ---
> >  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

Thanks,
Mattias