On Sun, Nov 06, 2022 at 10:57:53PM +0800, Dawei Li wrote:
> For bus-based driver, device removal is implemented as:
> 1 device_remove()->
> 2 bus->remove()->
> 3 driver->remove()
>
> Driver core needs _no_ inform from callee(bus driver) about the
> result of remove callback. In that case,
> commit <fc7a6209d571> ("bus: Make remove callback return void")
> forces struct bus_type::remove() be void-returned.
>
> Now we have the situation that both 1 & 2 of calling chain are
> void-returned, so it does _not_ make much sense for 3(driver->remove)
> to return non-void to its caller.
>
> So the basic idea behind this change is making remove() callback of
> any bus-based driver to be void-returned.
>
> This change itself, is for device drivers based on acpi-bus.
>
> Signed-off-by: Dawei Li <set_pte_at@xxxxxxxxxxx>
As RFC patches don't mean to be applied, I'll wait for a real version to
be submitted before reviewing this.
thanks,
greg k-h
