Re: [PATCH] pcp_clock: return EOPNOTSUPP if !CONFIG_PTP_1588_CLOCK

[Richard Cochran]

On Sat, Nov 07, 2020 at 11:28:23AM +0800, Wang Qing wrote:
> pcp_clock_register() is checked with IS_ERR(), and will crash if !PTP,
> change return value to ERR_PTR(-EOPNOTSUPP) for the !CONFIG_PTP_1588_CLOCK
>  and so question resolved.

NAK.

Drivers must use the documented interface.

Thanks,
Richard