Re: [PATCH v3 net] net: fec: fix hardware time stamping by external devices

[Jakub Kicinski]

On Thu, 16 Jul 2020 23:38:13 +0300 Sergey Organov wrote:
> > Applied, and added to the stable queue, thanks!  
> 
> Thanks, and I've also got a no-brainer patch that lets this bug fix
> compile as-is with older kernels, where there were no phy_has_hwtstamp()
> function. Dunno how to properly handle this. Here is the patch (on
> top of v4.9.146), just in case:

I see, I'll only add it to 5.7. By default we backport net fixes to
the two most recent releases, anyway. Could you send a patch that will 
work on 4.4 or 4.9 - 5.4 to Greg yourself once this hits Linus's tree
in a week or two?