linux-kernel - RE: [PATCH net 2/2] net: stmmac: skip only stmmac_ptp

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Date:   Mon, 24 Jan 2022 22:19:22 +0000
From:   "Ismail, Mohammad Athari" <mohammad.athari.ismail@...el.com>
To:     Andrew Lunn <andrew@...n.ch>
CC:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "Maxime Coquelin" <mcoquelin.stm32@...il.com>,
        "Ong, Boon Leong" <boon.leong.ong@...el.com>,
        "Voon, Weifeng" <weifeng.voon@...el.com>,
        "Wong, Vee Khee" <vee.khee.wong@...el.com>,
        Huacai Chen <chenhuacai@...nel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH net 2/2] net: stmmac: skip only stmmac_ptp_register when
 resume from suspend



> -----Original Message-----
> From: Andrew Lunn <andrew@...n.ch>
> Sent: Monday, January 24, 2022 9:15 PM
> To: Ismail, Mohammad Athari <mohammad.athari.ismail@...el.com>
> Cc: Giuseppe Cavallaro <peppe.cavallaro@...com>; Alexandre Torgue
> <alexandre.torgue@...com>; Jose Abreu <joabreu@...opsys.com>; David
> S . Miller <davem@...emloft.net>; Jakub Kicinski <kuba@...nel.org>;
> Maxime Coquelin <mcoquelin.stm32@...il.com>; Ong, Boon Leong
> <boon.leong.ong@...el.com>; Voon, Weifeng <weifeng.voon@...el.com>;
> Wong, Vee Khee <vee.khee.wong@...el.com>; Huacai Chen
> <chenhuacai@...nel.org>; netdev@...r.kernel.org; linux-stm32@...md-
> mailman.stormreply.com; linux-arm-kernel@...ts.infradead.org; linux-
> kernel@...r.kernel.org
> Subject: Re: [PATCH net 2/2] net: stmmac: skip only stmmac_ptp_register
> when resume from suspend
> 
> > @@ -3308,13 +3309,11 @@ static int stmmac_hw_setup(struct net_device
> *dev, bool init_ptp)
> >
> >  	stmmac_mmc_setup(priv);
> >
> > -	if (init_ptp) {
> > -		ret = stmmac_init_ptp(priv);
> > -		if (ret == -EOPNOTSUPP)
> > -			netdev_warn(priv->dev, "PTP not supported by
> HW\n");
> > -		else if (ret)
> > -			netdev_warn(priv->dev, "PTP init failed\n");
> > -	}
> > +	ret = stmmac_init_ptp(priv, ptp_register);
> > +	if (ret == -EOPNOTSUPP)
> > +		netdev_warn(priv->dev, "PTP not supported by HW\n");
> > +	else if (ret)
> > +		netdev_warn(priv->dev, "PTP init failed\n");
> 
> The init_ptp parameter now seems unused? If so, please remove it.

I believe you miss below diff. It is renamed to ptp_register.

-static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
+static int stmmac_hw_setup(struct net_device *dev, bool ptp_register)
 {
 	struct stmmac_priv *priv = netdev_priv(dev);


There are build warnings as below. I'll fix it in v2.

../drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:888: warning: Function parameter or member 'ptp_register' not described in 'stmmac_init_ptp'
../drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3256: warning: Excess function parameter 'init_ptp' description in 'stmmac_hw_setup

Thanks

-Athari-

> 
>     Andrew