netdev - RE: [PATCH net-next v3 8/9] ptp: ravb: convert to .adjfine and adjust_by_scaled

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Message-ID: <CO1PR11MB5089C70AA505ADFFE7FFEDD6D6329@CO1PR11MB5089.namprd11.prod.outlook.com>
Date:   Fri, 28 Oct 2022 14:31:34 +0000
From:   "Keller, Jacob E" <jacob.e.keller@...el.com>
To:     Sergey Shtylyov <s.shtylyov@....ru>,
        Jakub Kicinski <kuba@...nel.org>,
        David Miller <davem@...emloft.net>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Richard Cochran <richardcochran@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>,
        "Phil Edworthy" <phil.edworthy@...esas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>
Subject: RE: [PATCH net-next v3 8/9] ptp: ravb: convert to .adjfine and
 adjust_by_scaled_ppm



> -----Original Message-----
> From: Sergey Shtylyov <s.shtylyov@....ru>
> Sent: Friday, October 28, 2022 4:10 AM
> To: Keller, Jacob E <jacob.e.keller@...el.com>; Jakub Kicinski <kuba@...nel.org>;
> David Miller <davem@...emloft.net>
> Cc: netdev@...r.kernel.org; Richard Cochran <richardcochran@...il.com>; Biju
> Das <biju.das.jz@...renesas.com>; Phil Edworthy
> <phil.edworthy@...esas.com>; Lad Prabhakar <prabhakar.mahadev-
> lad.rj@...renesas.com>; linux-renesas-soc@...r.kernel.org
> Subject: Re: [PATCH net-next v3 8/9] ptp: ravb: convert to .adjfine and
> adjust_by_scaled_ppm
> 
> Hello!
> 
> On 10/28/22 2:04 PM, Jacob Keller wrote:
> 
> > The ravb implementation of .adjfreq is implemented in terms of a
> > straight forward "base * ppb / 1 billion" calculation.
> >
> > Convert this driver to .adjfine and use the adjust_by_scaled_ppm helper
> > function to calculate the new addend.
> >
> > Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>
> > Acked-by: Richard Cochran <richardcochran@...il.com>
> > Cc: Sergey Shtylyov <s.shtylyov@....ru>
> 
>    You forgot to collect my R-b tag... :-/

Oops, I apologize for missing that.

> 
> > Cc: Biju Das <biju.das.jz@...renesas.com>
> > Cc: Phil Edworthy <phil.edworthy@...esas.com>
> > Cc: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > Cc: linux-renesas-soc@...r.kernel.org
> [...]
> 
> MBR, Sergey