Re: [PATCH] Input: synaptics-rmi4 - add missed operations in remove

From: Dmitry Torokhov
Date: Wed Nov 13 2019 - 14:50:30 EST


On Wed, Nov 13, 2019 at 04:52:59PM +0800, Chuhong Yuan wrote:
> On Wed, Nov 13, 2019 at 4:23 PM Dmitry Torokhov
> <dmitry.torokhov@xxxxxxxxx> wrote:
> >
> > On Wed, Nov 13, 2019 at 02:36:56PM +0800, Chuhong Yuan wrote:
> > > The driver forgets to deal with work and workqueue in remove like what
> > > is done when probe fails.
> > > Add the missed operations to fix it.
> >
> > Is it really possible for the work to still be pending when fully
> > registered device is properly unregistered? I thought we'd wait for
> > successful data acquisition in rmi_f54_buffer_queue() before unregister
> > can complete.
> >
>
> In fact, I am not familiar with the mechanism here...
> I have checked other drivers with video_unregister_device and found none of
> them deals with work in remove.
> Therefore, I think your opinion should be right and we only need to deal with
> the workqueue.

OK, please send the updated patch then.

Thanks!

--
Dmitry