netdev - Re: [PATCH] net/{mii,smsc}: Make mii_ethtool_get_link_ksettings and smc_netdev_get

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Message-ID: <20170604190133.GB10273@lunn.ch>
Date:   Sun, 4 Jun 2017 21:01:33 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Yuval Shaia <yuval.shaia@...cle.com>
Cc:     klassert@...hematik.tu-chemnitz.de, pcnet32@...ntier.com,
        hsweeten@...ionengravers.com, jeffrey.t.kirsher@...el.com,
        cooldavid@...ldavid.org, mcuos.com@...il.com, nic_swsd@...ltek.com,
        ralf@...ux-mips.org, romieu@...zoreil.com, nico@...xnic.net,
        oneukum@...e.com, davem@...emloft.net, tremyfr@...il.com,
        paul.gortmaker@...driver.com, jarod@...hat.com, green.hu@...il.com,
        f.fainelli@...il.com, edumazet@...gle.com, shchers@...il.com,
        stephen.boyd@...aro.org, fgao@...vckh6395k16k5.yundunddos.com,
        tklauser@...tanz.ch, jay.vosburgh@...onical.com,
        robert.jarzmik@...e.fr, jeremy.linton@....com,
        rmk+kernel@...linux.org.uk, stephen@...workplumber.org,
        arnd@...db.de, gerg@...ux-m68k.org, allan@...x.com.tw,
        chris.roth@...sk.ca, hayeswang@...ltek.com,
        mario_limonciello@...l.com, netdev@...r.kernel.org,
        linux-parisc@...r.kernel.org, intel-wired-lan@...ts.osuosl.org,
        linux-arm-kernel@...ts.infradead.org, linux-mips@...ux-mips.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH] net/{mii,smsc}: Make mii_ethtool_get_link_ksettings and
 smc_netdev_get_ecmd return void

> diff --git a/drivers/net/cris/eth_v10.c b/drivers/net/cris/eth_v10.c
> index da02041..017f48c 100644
> --- a/drivers/net/cris/eth_v10.c
> +++ b/drivers/net/cris/eth_v10.c
> @@ -1417,10 +1417,9 @@ static int e100_get_link_ksettings(struct net_device *dev,
>  {
>  	struct net_local *np = netdev_priv(dev);
>  	u32 supported;
> -	int err;
>  
>  	spin_lock_irq(&np->lock);
> -	err = mii_ethtool_get_link_ksettings(&np->mii_if, cmd);
> +	mii_ethtool_get_link_ksettings(&np->mii_if, cmd);
>  	spin_unlock_irq(&np->lock);
>  
>  	/* The PHY may support 1000baseT, but the Etrax100 does not.  */
> @@ -1432,7 +1431,7 @@ static int e100_get_link_ksettings(struct net_device *dev,
>  	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
>  						supported);
>  
> -	return err;
> +	return 0;
>  }

How far are going planning on going? It seems like
*_get_link_ksettings() now all return a useless 0. Do you plan to
change ethtool_ops and make if void all the way up?

       Andrew