linux-kernel - Re: [PATCH v2 0/3] platform/x86: simatic-ipc: add another model and hwmon module loading

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Date:   Mon, 17 Jul 2023 09:45:29 +0200
From:   Henning Schild <henning.schild@...mens.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     Mark Gross <markgross@...nel.org>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        Tobias Schaffner <tobias.schaffner@...mens.com>,
        Gerd Haeussler <gerd.haeussler.ext@...mens.com>
Subject: Re: [PATCH v2 0/3] platform/x86: simatic-ipc: add another model and
 hwmon module loading

Am Fri, 14 Jul 2023 12:18:04 +0200
schrieb Hans de Goede <hdegoede@...hat.com>:

> Hi Henning,
> 
> On 7/13/23 16:48, Henning Schild wrote:
> > cahnged since v1:
> >  - switch to using a list of modules per device
> >  - add p3 and make the watchdog module load code use what p2 created
> > 
> > The first patch just adds a device that is pretty similar to
> > another one we already had here.
> > 
> > The second patch loads modules for hwmon support, should they be
> > available. That will save users the need to detect and manually load
> > those modules after a machine has been clearly identified by its
> > Siemens Simatic IPC station id.
> > 
> > And finally p3 changes another request_module call to use the
> > mechanism introduced in p2.
> > 
> > Henning Schild (3):
> >   platform/x86: simatic-ipc: add another model
> >   platform/x86: simatic-ipc: add auto-loading of hwmon modules
> >   platform/x86: simatic-ipc: use extra module loading for watchdog
> > 
> >  drivers/platform/x86/simatic-ipc.c            | 74
> > ++++++++++++++----- include/linux/platform_data/x86/simatic-ipc.h |
> >  1 + 2 files changed, 57 insertions(+), 18 deletions(-)  
> 
> p.s.
> 
> Looking at the latest simatic pdx86 code:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=platform-drivers-x86-simatic-ipc
> 
> I see 5 Kconfig options and 5 .c files directly under
> 
> drivers/platform/x86/
> 
> at this point I think it would be nice to move this into its
> own simatic subdir: drivers/platform/x86/simatic
> 
> with its own Makefile and Kconfig to avoid cluttering the main
> drivers/platform/x86 dir and Kconfig too much.
> 
> Can you prepare a patch for this on top of:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=platform-drivers-x86-simatic-ipc
> 
> ?
> 
> See:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f1e1ea516721d1ea0b21327ff9e6cb2c2bb86e28
> 
> For an example of a similar move done for Dell.
> 
> Note this example also adds
> 
> "default m"
> 
> to all options except for the main X86_PLATFORM_DRIVERS_DELL
> (X86_PLATFORM_DRIVERS_SIMATIC in this case) so that on interactive
> make config only the X86_PLATFORM_DRIVERS_SIMATIC will gets asked
> about and then the rest will automatically get enabled as modules.

I will look into the relocation of the drivers and send patches in the
coming days.

Thanks,
Henning

> Regards,
> 
> Hans
> 
> 
>