Re: [PATCH v2 3/7] mfd: add support for sun6i PRCM (Power/Reset/Clock Management) unit

[Lee Jones]

> >>>> +static struct platform_driver sun6i_prcm_driver = {
> >>>> +	.driver = {
> >>>> +		.name = "sun6i-prcm",
> >>>> +		.owner = THIS_MODULE,
> >>>> +		.of_match_table = sun6i_prcm_dt_ids,
> >>>> +	},
> >>>> +	.probe = sun6i_prcm_probe,
> >>> You need a .remove() call-back.
> >>
> >> This driver cannot be compiled as module (see the Kconfig definition)
> >> and the devices are not hotpluggable, as a result a probed device will
> >> never be removed.
> >>
> >> Do you still want me to implement the remove function ?
> > 
> > .remove() also be run on shut down.
> 
> That is not true, if your device needs to do anything special at shutdown
> you need to add a shutdown callback. Devices are kept as is (not torn down)
> on shutdown.

Ah okay, I'll bow to your knowledge.  So there's no reason for this
driver to ever call mfd_remove_devices() then?

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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