netdev - Re: [patch net-next] dpll: remove leftover mode_supported() op and use mode

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Date: Fri, 8 Dec 2023 12:06:34 +0000
From: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
To: Jiri Pirko <jiri@...nulli.us>,
 "Kubalewski, Arkadiusz" <arkadiusz.kubalewski@...el.com>
Cc: kuba@...nel.org, pabeni@...hat.com, davem@...emloft.net,
 edumazet@...gle.com, jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com,
 saeedm@...dia.com, leon@...nel.org, richardcochran@...il.com,
 jonathan.lemon@...il.com, netdev@...r.kernel.org
Subject: Re: [patch net-next] dpll: remove leftover mode_supported() op and
 use mode_get() instead

On 07/12/2023 15:12, Jiri Pirko wrote:
> From: Jiri Pirko <jiri@...dia.com>
> 
> Mode supported is currently reported to the user exactly the same, as
> the current mode. That's because mode changing is not implemented.
> Remove the leftover mode_supported() op and use mode_get() to fill up
> the supported mode exposed to user.
> 
> One, if even, mode changing is going to be introduced, this could be
> very easily taken back. In the meantime, prevent drivers form
> implementing this in wrong way (as for example recent netdevsim
> implementation attempt intended to do).
> 

I'm OK to remove from ptp_ocp part because it's really only one mode
supported. But I would like to hear something from Arkadiusz about the
plans to maybe implement mode change in ice?

> Signed-off-by: Jiri Pirko <jiri@...dia.com>
> ---
>   drivers/dpll/dpll_netlink.c                   | 16 +++++++-----
>   drivers/net/ethernet/intel/ice/ice_dpll.c     | 26 -------------------
>   .../net/ethernet/mellanox/mlx5/core/dpll.c    |  9 -------
>   drivers/ptp/ptp_ocp.c                         |  8 ------
>   include/linux/dpll.h                          |  3 ---
>   5 files changed, 10 insertions(+), 52 deletions(-)
>