linux-kernel - Re: [PATCH resubmit net 2/2] net: fec: Remove duplicated code

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Message-ID: <ZrN+affnZLC2CmEl@lizhi-Precision-Tower-5810>
Date: Wed, 7 Aug 2024 10:02:17 -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 resubmit net 2/2] net: fec: Remove duplicated code

On Wed, Aug 07, 2024 at 10:29:19AM +0200, Csókás, Bence wrote:
> `fec_ptp_pps_perout()` reimplements logic already
> in `fec_ptp_read()`. Replace with function call.
>
> Signed-off-by: Csókás, Bence <csokas.bence@...lan.hu>

Reviewed-by: Frank Li <Frank.Li@....com>

> ---
>  drivers/net/ethernet/freescale/fec_ptp.c | 8 +-------
>  1 file changed, 1 insertion(+), 7 deletions(-)
>
> diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
> index fdbf61069a05..91b0804142e4 100644
> --- a/drivers/net/ethernet/freescale/fec_ptp.c
> +++ b/drivers/net/ethernet/freescale/fec_ptp.c
> @@ -213,13 +213,7 @@ static int fec_ptp_pps_perout(struct fec_enet_private *fep)
>  	timecounter_read(&fep->tc);
>
>  	/* Get the current ptp hardware time counter */
> -	temp_val = readl(fep->hwp + FEC_ATIME_CTRL);
> -	temp_val |= FEC_T_CTRL_CAPTURE;
> -	writel(temp_val, fep->hwp + FEC_ATIME_CTRL);
> -	if (fep->quirks & FEC_QUIRK_BUG_CAPTURE)
> -		udelay(1);
> -
> -	ptp_hc = readl(fep->hwp + FEC_ATIME);
> +	ptp_hc = fec_ptp_read(&fep->cc);
>
>  	/* Convert the ptp local counter to 1588 timestamp */
>  	curr_time = timecounter_cyc2time(&fep->tc, ptp_hc);
> --
> 2.34.1
>
>