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Date: Mon, 21 Jul 2025 15:58:55 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: Markus =?iso-8859-1?Q?Bl=F6chl?= <markus@blochl.de>
Cc: stable@vger.kernel.org
Subject: Re: Backport a5a441ae283d ("ice/ptp: fix crosstimestamp reporting")
Message-ID: <2025072127-commotion-relapsing-900d@gregkh>
References: <g2bzkfszeaajy4ehjodyg646fvgjih3gesgrq4duhoqcnkdbef@dmquxweqdzwq>
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On Wed, Jul 16, 2025 at 11:08:58PM +0200, Markus Blöchl wrote:
> Hi Greg,
> 
> please consider backporting
> 
>     a5a441ae283d ("ice/ptp: fix crosstimestamp reporting")
> 
> into linux-6.12.y
> 
> It fixes a regression from the series around
> d4bea547ebb57 ("ice/ptp: Remove convert_art_to_tsc()")
> which affected multiple drivers and occasionally
> caused phc2sys to fail on ioctl(fd, PTP_SYS_OFFSET_PRECISE, ...).
> 
> This was the initial fix for ice but apparently tagging it
> for stable was forgotten during submission.
> 
> A similar fix for e1000e can be found here:
> 
> Link: https://lore.kernel.org/lkml/20250709-e1000e_crossts-v2-1-2aae94384c59@blochl.de/
> 
> The hunk was moved around slightly in the upstream commit 
> 92456e795ac6 ("ice: Add unified ice_capture_crosststamp").
> Let me know if you therefore want a separate patch,
> I just didn't want to to steal the credits here.

Please send a properly backported patch and we will be glad to queue it
up that way.  As-is, it does not apply cleanly.

thanks,

greg k-h