Re: [RFC PATCH net-next v3 14/15] net: dsa: mt7530: introduce driver for MT7988 built-in switch

From: Daniel Golle <daniel@makrotopia.org>
To: Andrew Lunn <andrew@lunn.ch>
Cc: netdev@vger.kernel.org, linux-mediatek@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Florian Fainelli <f.fainelli@gmail.com>,
	Vladimir Oltean <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>,
	Sean Wang <sean.wang@mediatek.com>,
	Landen Chao <Landen.Chao@mediatek.com>,
	DENG Qingfang <dqfext@gmail.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Sam Shih <Sam.Shih@mediatek.com>,
	Lorenzo Bianconi <lorenzo@kernel.org>,
	John Crispin <john@phrozen.org>, Felix Fietkau <nbd@nbd.name>
Subject: Re: [RFC PATCH net-next v3 14/15] net: dsa: mt7530: introduce driver for MT7988 built-in switch
Date: Wed, 29 Mar 2023 20:05:06 +0100	[thread overview]
Message-ID: <ZCSL4l/Fd37CgGBa@makrotopia.org> (raw)
In-Reply-To: <8fe9c1b6-a533-4ad9-8a23-4f16547476ed@lunn.ch>

On Wed, Mar 29, 2023 at 06:57:54PM +0200, Andrew Lunn wrote:
> > @@ -18,6 +18,7 @@ enum mt753x_id {
> >  	ID_MT7530 = 0,
> >  	ID_MT7621 = 1,
> >  	ID_MT7531 = 2,
> > +	ID_MT7988 = 3,
> >  };
> >  
> >  #define	NUM_TRGMII_CTRL			5
> > @@ -54,11 +55,11 @@ enum mt753x_id {
> >  #define  MT7531_MIRROR_PORT_SET(x)	(((x) & MIRROR_MASK) << 16)
> >  #define  MT7531_CPU_PMAP_MASK		GENMASK(7, 0)
> >  
> > -#define MT753X_MIRROR_REG(id)		(((id) == ID_MT7531) ? \
> > +#define MT753X_MIRROR_REG(id)		((((id) == ID_MT7531) || ((id) == ID_MT7988)) ?	\
> >  					 MT7531_CFC : MT7530_MFC)
> > -#define MT753X_MIRROR_EN(id)		(((id) == ID_MT7531) ? \
> > +#define MT753X_MIRROR_EN(id)		((((id) == ID_MT7531) || ((id) == ID_MT7988)) ?	\
> >  					 MT7531_MIRROR_EN : MIRROR_EN)
> > -#define MT753X_MIRROR_MASK(id)		(((id) == ID_MT7531) ? \
> > +#define MT753X_MIRROR_MASK(id)		((((id) == ID_MT7531) || ((id) == ID_MT7988)) ?	\
> >  					 MT7531_MIRROR_MASK : MIRROR_MASK)
> 
> Are there more devices coming soon? I'm just wondering if these should
> change into static inline functions with a switch statement? The
> current code is not going to scale too much more.

Afaik no devices with different built-in switches are in the pipe at
this time, so this should be fine for a while.

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