[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH 0/6] Make remove() of any bus based driver void returned
On Mon, Dec 05, 2022 at 11:36:38PM +0800, Dawei Li wrote: > For bus-based driver, device removal is implemented as: > device_remove() => bus->remove() => driver->remove() > > Driver core needs no feedback from bus driver about the result of > remove callback. In which case, commit fc7a6209d571 ("bus: Make > remove callback return void") forces bus_type::remove be void-returned. > > Now we have the situation that both 1st & 2nd part of calling chain > are void returned, so it does not make much sense for the last one > (driver->remove) to return non-void to its caller. > > So the basic idea behind this patchset is making remove() callback of > any bus-based driver to be void returned. > > This patchset includes changes for drivers below: > 1. hyperv > 2. macio > 3. apr > 4. xen > 5. ac87 > 6. soundbus Then that should be 6 different patchsets going to 6 different subsystems. No need to make this seems like a unified set of patches at all. > Q: Why not platform drivers? > A: Too many of them.(maybe 4K+) That will have to be done eventually, right? thanks, greg k-h
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