On Fri, Aug 19, 2022 at 10:10 AM John Garry <john.garry@xxxxxxxxxx> wrote:
>
> On 18/08/2022 20:41, Andy Shevchenko wrote:
> > On Tue, Aug 16, 2022 at 2:33 PM John Garry <john.garry@xxxxxxxxxx> wrote:
> >>
> >> There is commonality between acpi_create_platform_device() and
> >> hisi_lpc_acpi_add_child(), in that it covers 2x main steps:
> >> - Read resources for the acpi_device
> >> - Create platform device
> >>
> >> Refactor acpi_create_platform_device() so that it may be reused by
> >> hisi_lpc_acpi_add_child() to reduce duplication.
> >
> > ...
> >
> >> + * acpi_create_platform_device_ops - Create platform device for ACPI device node
> >
> > Not sure I understand why _ops is a suffix for the function. I would
> > expect _ops to be a data struct where the ->xlate() and perhaps other
> > callbacks may be collected. It may be that I have missed that portion
> > in the previous discussion.
>
> ok, maybe I can put all the members into a struct, but I don't think
> that it improves the overall code too much.
>
> >
> > ...
> >
> >> + if (name)
> >> + pdevinfo.name = name;
> >> + else
> >> + pdevinfo.name = dev_name(&adev->dev);
> >
> >> + pdevinfo.data = data;
> >> + pdevinfo.size_data = size_data;
> >
> > It rather reminds me of platform device registration full with this
> > device info. May be what you need is
> > struct acpi_platfrom_device_info {
> > properties;
> > name;
> > id;
> > ->xlate();
> > ...
> > };
> >
> > ?
> >
> > ...
> >
> >> +struct platform_device *acpi_create_platform_device_ops(
> >> + struct acpi_device *adev,
> >> + const char *name,
> >> + const struct property_entry *properties,
> >> + void *data, size_t size_data,
> >> + int (*xlat)(struct acpi_device *adev,
> >> + struct resource *res,
> >> + void *data, size_t size_data),
> >> + int id);
> >
> > ...because this looks a bit too much from the amount of parameters
> > point of view.
> >
>
> ok, agreed.
>
> But even if we improve this code, the hisi_lpc changes are quite large
> and unwieldly.
Well, they allow you to drop quite a few LOC ...
