On Sat, Jan 01, 2022 at 08:25:48AM +0100, Lukas Wunner wrote:

> This is especially important if there are slaves attached to the
> controller which perform SPI transfers in their ->remove hooks,
> e.g. to quiesce interrupts on the slaves.  Those transfers won't
> work the way you've structured the code now.

The client drivers shouldn't notice - their remove callbacks will have
completed before we start removing the controller.