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Message-ID: <BY3PR18MB4707D17FD94F2700F9E85226A00CA@BY3PR18MB4707.namprd18.prod.outlook.com>
Date:   Mon, 7 Aug 2023 06:41:22 +0000
From:   Sai Krishna Gajula <saikrishnag@...vell.com>
To:     Simon Horman <horms@...nel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Sunil Kovvuri Goutham <sgoutham@...vell.com>,
        Geethasowjanya Akula <gakula@...vell.com>,
        Subbaraya Sundeep Bhatta <sbhatta@...vell.com>,
        Hariprasad Kelam <hkelam@...vell.com>,
        "richardcochran@...il.com" <richardcochran@...il.com>,
        Naveen Mamindlapalli <naveenm@...vell.com>
Subject: Re: [net-next PATCH] octeontx2-pf: Use PTP HW timestamp counter
 atomic update feature


> -----Original Message-----
> From: Simon Horman <horms@...nel.org>
> Sent: Saturday, August 5, 2023 5:04 PM
> To: Sai Krishna Gajula <saikrishnag@...vell.com>
> Cc: davem@...emloft.net; edumazet@...gle.com; kuba@...nel.org;
> pabeni@...hat.com; netdev@...r.kernel.org; linux-
> kernel@...r.kernel.org; Sunil Kovvuri Goutham <sgoutham@...vell.com>;
> Geethasowjanya Akula <gakula@...vell.com>; Subbaraya Sundeep Bhatta
> <sbhatta@...vell.com>; Hariprasad Kelam <hkelam@...vell.com>;
> richardcochran@...il.com; Naveen Mamindlapalli
> <naveenm@...vell.com>
> Subject: Re: [net-next PATCH] octeontx2-pf: Use PTP HW timestamp
> counter atomic update feature
> 
> On Fri, Aug 04, 2023 at 03:00:14PM +0530, Sai Krishna wrote:
> > Some of the newer silicon versions in CN10K series supports a feature
> > where in the current PTP timestamp in HW can be updated atomically
> > without losing any cpu cycles unlike read/modify/write register.
> > This patch uses this feature so that PTP accuracy can be improved
> > while adjusting the master offset in HW. There is no need for SW
> > timecounter when using this feature. So removed references to SW
> > timecounter wherever appropriate.
> >
> > Signed-off-by: Sai Krishna <saikrishnag@...vell.com>
> > Signed-off-by: Naveen Mamindlapalli <naveenm@...vell.com>
> > Signed-off-by: Sunil Kovvuri Goutham <sgoutham@...vell.com>
> 
> ...
> 
> >  struct npc_get_field_status_req {
> > diff --git a/drivers/net/ethernet/marvell/octeontx2/af/ptp.c
> > b/drivers/net/ethernet/marvell/octeontx2/af/ptp.c
> 
> ...
> 
> >
> > -static bool is_ptp_tsfmt_sec_nsec(struct ptp *ptp)
> > +static inline bool is_tstmp_atomic_update_supported(struct rvu *rvu)
> 
> Hi Sai,
> 
> Please avoid using the inline keyword for functions in .c files.
> Unless there is a demonstrable advantage to doing so it should be left up to
> the compiler to inline or not.

Ok, will remove inline keyword and submit V2 patch.

Thanks,
Sai
> 
> ...
> 
> --
> pw-bot: changes-requested

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