Re: [RESEND net-next 1/2] net: hns3: add support for PTP

[huangguangbin (A)]

On 2021/6/5 23:53, Richard Cochran wrote:
> On Sat, Jun 05, 2021 at 06:37:19PM +0800, huangguangbin (A) wrote:
> > > Need mutex or spinlock to protest against concurrent access.
> > Ok, thank you. Is it better to add mutex or spinlock in the public place, like ptp_clock_adjtime()?
> > Then there's no need to add mutex or spinlock in all the drives.
>
> No, that is a terrible idea.  The class layer has no idea about the
> hardware implementation.  Only the driver knows that.
>
> Thanks,
> Richard
> .
Ok, thanks. We will add mutex or spinlock as your idea, and repost a new version after we test ok.