Re: [PATCH v2 2/2] ptp: ptp_s390: Add missing facility check

[Heiko Carstens]

On Tue, Jul 14, 2026 at 03:03:42PM +0200, Sven Schnelle wrote:
> Only register the physical clock when facility 28 is installed
> and PTFF QAF returns that PTFF QPT is available.
> 
> Fixes: 2d7de7a3010d ("s390/time: Add PtP driver")
> Signed-off-by: Sven Schnelle <svens@xxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxx
> ---
>  drivers/ptp/ptp_s390.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)

Reviewed-by: Heiko Carstens <hca@xxxxxxxxxxxxx>