+Cc: LKML and Peng

On Wed, Jan 20, 2021 at 6:48 PM Mihai Carabas <mihai.cara...@oracle.com> wrote:
>
> Hello Andy,
>
> Some time ago you have created a patchset where you have combined
> ACPI/MMIO into a single driver for pvpanic:
>
> commit f104060813fe79350565b68c1098fcea050a6504
> Author: Andy Shevchenko <andriy.shevche...@linux.intel.com>
> Date:   Wed Dec 9 22:36:41 2020 +0200
>
>       misc: pvpanic: Combine ACPI and platform drivers
>
> I also have sent some patches where I created a driver framework for
> adding a PCI driver. These being said, I want to send again another
> patchset to add a PVPANIC PCI driver, but I am not sure what is the
> right approach you would like to see:
> - create a totally different driver for pvpanic pci and naming it
> pvpanic-pci.c with its config PVPANIC_PCI
> - create the framework I have sent before but having only two buses
> (ACPI/MMIO in one file and PCI in another)

Generic approach is to have three files:
 - core part
 - platform driver
 - PCI driver

in this case.

> In qemu they are basically two different devices (one is -device pvpanic
> and the other is -device pvpanic-pci)
>
> I could not find any precedence in other drivers. Your input is welcome.


-- 
With Best Regards,
Andy Shevchenko

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