Messages in this thread | | | Date | Fri, 26 Nov 2021 13:03:25 +0000 | From | Mark Brown <> | Subject | Re: [PATCH v3 1/2] SPI: Add SPI driver for Sunplus SP7021 |
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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.. [unhandled content-type:application/pgp-signature] | |