[PATCH v2 3/7] mfd: add support for sun6i PRCM (Power/Reset/Clock Management) unit
Hans de Goede
hdegoede at redhat.com
Fri May 9 00:34:14 PDT 2014
Hi,
On 05/09/2014 09:12 AM, Lee Jones wrote:
>>>> +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.
> It's best practice to have one.
>
>>>> +module_platform_driver(sun6i_prcm_driver);
>>>> +
>>>> +MODULE_AUTHOR("Boris BREZILLON <boris.brezillon at free-electrons.com>");
>>>> +MODULE_DESCRIPTION("Allwinner sun6i PRCM driver");
>>>> +MODULE_LICENSE("GPL v2");
>>
>
Regards,
Hans
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