netdev - Re: [PATCH net-next 08/10] net: stmmac: move xgmac specific phylink caps to dwxgmac2 core

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Message-ID: <ZOoR/3mssyKV+7Ef@shell.armlinux.org.uk>
Date: Sat, 26 Aug 2023 15:53:51 +0100
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Serge Semin <fancer.lancer@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Jose Abreu <joabreu@...opsys.com>, Andrew Lunn <andrew@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Feiyang Chen <chenfeiyang@...ngson.cn>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Jakub Kicinski <kuba@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Maxime Coquelin <mcoquelin.stm32@...il.com>, netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next 08/10] net: stmmac: move xgmac specific phylink
 caps to dwxgmac2 core

On Sat, Aug 26, 2023 at 04:36:46PM +0300, Serge Semin wrote:
> On Thu, Aug 24, 2023 at 02:38:29PM +0100, Russell King (Oracle) wrote:
> > Move the xgmac specific phylink capabilities to the dwxgmac2 support
> > core.
> > 
> > Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
> > ---
> >  drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 10 ++++++++++
> >  drivers/net/ethernet/stmicro/stmmac/stmmac_main.c   | 10 ----------
> >  2 files changed, 10 insertions(+), 10 deletions(-)
> > 
> > diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
> > index 34e1b0c3f346..f352be269deb 100644
> > --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
> > +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
> > @@ -47,6 +47,14 @@ static void dwxgmac2_core_init(struct mac_device_info *hw,
> >  	writel(XGMAC_INT_DEFAULT_EN, ioaddr + XGMAC_INT_EN);
> >  }
> >  
> 
> > +static void xgmac_phylink_get_caps(struct stmmac_priv *priv)
> 
> Also after splitting this method up into DW XGMAC v2.x and DW XLGMAC
> v2.x specific functions please preserve the local naming convention:
> use dwxgmac2_ and dwxlgmac2_ prefixes.

The only possibility I have would be to implement two functions with
different names but are functionally identical, since I have no further
information. The new code is functionally identical to the code it
replaces - as explained in my previous response.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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