linux-kernel - Re: [PATCH] net: fec: Remove duplicated code

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Message-ID: <ZrD4QdO4Y20rKOgN@lizhi-Precision-Tower-5810>
Date: Mon, 5 Aug 2024 12:05:21 -0400
From: Frank Li <Frank.li@....com>
To: Csókás Bence <csokas.bence@...lan.hu>
Cc: imx@...ts.linux.dev, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, Wei Fang <wei.fang@....com>,
	Shenwei Wang <shenwei.wang@....com>,
	Clark Wang <xiaoning.wang@....com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Richard Cochran <richardcochran@...il.com>
Subject: Re: [PATCH] net: fec: Remove duplicated code

On Mon, Aug 05, 2024 at 05:36:49PM +0200, Csókás Bence wrote:
>
>
> On 8/5/24 17:31, Frank Li wrote:
> > On Mon, Aug 05, 2024 at 04:47:55PM +0200, Csókás, Bence wrote:
> > > -	ptp_hc = readl(fep->hwp + FEC_ATIME);
> > > +	ptp_hc = fep->cc.read(&fep->cc);
> >
> > why not call fec_ptp_read() directly?
> >
> > Frank
>
> It is defined later in the file. Using the struct cyclecounter was the
> solution for this we settled on in 61d5e2a251fb ("fec: Fix timer capture
> timing in `fec_ptp_enable_pps()`") as well.

Actually I prefer move fec_ptp_read() ahead. It is not big deal. Direct
call just little bit better because reduce a indirect call. Generally
->cc.read() supposed to be called only timercount.c otherwice, it should
provide an API call in timercount.h.

Sorry, I missed review 61d5e2a251fb.

Frank Li

>
> Bence
>