netdev - Re: [PATCH net-next 9/9] ptp: ocp: Add .getmaxphase ptp_clock

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Message-ID: <e479b601-a242-8ef2-ade4-3fe477a196fc@linux.dev>
Date: Thu, 11 May 2023 12:12:20 +0100
From: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
To: Rahul Rameshbabu <rrameshbabu@...dia.com>, netdev@...r.kernel.org
Cc: Saeed Mahameed <saeed@...nel.org>, Gal Pressman <gal@...dia.com>,
 Tariq Toukan <tariqt@...dia.com>, "David S. Miller" <davem@...emloft.net>,
 Jakub Kicinski <kuba@...nel.org>, Richard Cochran
 <richardcochran@...il.com>, Jacob Keller <jacob.e.keller@...el.com>,
 Jonathan Lemon <jonathan.lemon@...il.com>
Subject: Re: [PATCH net-next 9/9] ptp: ocp: Add .getmaxphase ptp_clock_info
 callback

On 10/05/2023 21:53, Rahul Rameshbabu wrote:
> Add a function that advertises a maximum offset of zero supported by
> ptp_clock_info .adjphase in the OCP null ptp implementation.
>
> Cc: Richard Cochran <richardcochran@...il.com> > Cc: Jonathan Lemon <jonathan.lemon@...il.com>

Neither Jonathan, nor myself are in the actual Cc list.

> Signed-off-by: Rahul Rameshbabu <rrameshbabu@...dia.com>
> ---
>   drivers/ptp/ptp_ocp.c | 7 +++++++
>   1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c
> index ab8cab4d1560..20a974ced8d6 100644
> --- a/drivers/ptp/ptp_ocp.c
> +++ b/drivers/ptp/ptp_ocp.c
> @@ -1124,6 +1124,12 @@ ptp_ocp_null_adjfine(struct ptp_clock_info *ptp_info, long scaled_ppm)
>   	return -EOPNOTSUPP;
>   }
>   
> +static s32
> +ptp_ocp_null_getmaxphase(struct ptp_clock_info *ptp_info)
> +{
> +	return 0;
> +}
> +
>   static int
>   ptp_ocp_null_adjphase(struct ptp_clock_info *ptp_info, s32 phase_ns)
>   {
> @@ -1239,6 +1245,7 @@ static const struct ptp_clock_info ptp_ocp_clock_info = {
>   	.adjtime	= ptp_ocp_adjtime,
>   	.adjfine	= ptp_ocp_null_adjfine,
>   	.adjphase	= ptp_ocp_null_adjphase,
> +	.getmaxphase	= ptp_ocp_null_getmaxphase,
>   	.enable		= ptp_ocp_enable,
>   	.verify		= ptp_ocp_verify,
>   	.pps		= true,

Acked-by: Vadim Fedorenko <vadim.fedorenko@...ux.dev>