Re: [PATCH v3 1/2] SPI: Add SPI driver for Sunplus SP7021

[Mark Brown]

On Fri, Nov 26, 2021 at 11:36:29AM +0100, Philipp Zabel wrote:

> > 	pm_runtime_disable(&pdev->dev);

> I'm not sure if the SPI framework requires the spi_controller to be
> unregistered before hardware is powered off, maybe it is enough to call
> spi_controller_suspend() in the right place?

It would *probably* do the right thing but the expectation really is
that you'll unregister before making the controller stop working, that
should be much more robust..

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