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

From: Richard Cochran <[email-masked]>
Date: Sat, 5 Jun 2021 08:53:30 -0700

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