On Mon, Nov 20, 2017 at 8:31 AM, Chris Chiu <chiu@xxxxxxxxxxxx> wrote: > On Fri, Nov 17, 2017 at 10:25 PM, Andy Shevchenko > <andy.shevchenko@xxxxxxxxx> wrote: >> On Thu, Nov 16, 2017 at 3:44 PM, Chris Chiu <chiu@xxxxxxxxxxxx> wrote: >>> + >>> +struct acer_wireless_data { >>> + struct input_dev *idev; >> >>> + struct acpi_device *adev; >> >> Do you need this one? >> I suppose whenever you need struct device out of it you may find it >> via input->parent. Right? >> > > But I think it would make life easier to have the following line in > .notify callback > struct acer_wireless_data * data = acpi_driver_data(adev); > > I can get its parent acer_wireless_data and point to input_dev easier. Yes, though if I'm not mistaken, you may get rid completely of your custom container and use struct input_dev for accessing that via to_acpi_device(idev->dev.parent). It would be less code, less data structures, cleaner view. Right? >>> +static int acer_wireless_remove(struct acpi_device *adev) >>> +{ >>> + return 0; >>> +} >>> + >> >> No need UI suppose. >> > > You mean remove this acer_wireless_remove which does nothing? Will do. Correct. -- With Best Regards, Andy Shevchenko