linux-kernel - Re: [PATCH net-next 24/30] net: dsa: mt7530: rename MT7530_MFC to MT753X

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Message-ID: <20230604131735.f2clcinq67wspuun@skbuf>
Date:   Sun, 4 Jun 2023 16:17:35 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Arınç ÜNAL <arinc.unal@...nc9.com>
Cc:     "Russell King (Oracle)" <linux@...linux.org.uk>,
        Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Daniel Golle <daniel@...rotopia.org>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Richard van Schagen <richard@...terhints.com>,
        Richard van Schagen <vschagen@...com>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Bartel Eerdekens <bartel.eerdekens@...stell8.be>,
        erkin.bozoglu@...ont.com, mithat.guner@...ont.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net-next 24/30] net: dsa: mt7530: rename MT7530_MFC to
 MT753X_MFC

On Sun, Jun 04, 2023 at 11:06:32AM +0300, Arınç ÜNAL wrote:
> > Even better are:
> > #define  MT7531_MIRROR_PORT_GET(x)	FIELD_GET(MT7531_MIRROR_MASK, x)
> > 
> > > > +#define  MT7531_MIRROR_PORT_SET(x)	(((x) & 0x7) << 16)
> > > 
> > > and here: (((x) << 16) & GENMASK(18, 16))
> > 
> > #define  MT7531_MIRROR_PORT_SET(x)	FIELD_PREP(MT7531_MIRROR_MASK, x)
> > 
> > No need to add parens around "x" in either of these uses as we're not
> > doing anything with x other than passing it into another macro.
> 
> Thanks. I suppose the GENMASK, FIELD_PREP, and FIELD_GET macros can be
> widely used on mt7530.h? Like GENMASK(2, 0) on MT7530_MIRROR_MASK and
> FIELD_PREP(MT7530_MIRROR_MASK, x) on MT7530_MIRROR_PORT(x)?

I suppose the answer would be "yes, they can be used", but then, I'm not
really sure what answer you're expecting.