linux-kernel - Re: [PATCH net-next v7 3/5] net: phy: mediatek: Add token ring access helper functions in mtk-phy-lib

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Date: Wed, 19 Jun 2024 11:33:38 +0000
From: SkyLake Huang (黃啟澤)
	<SkyLake.Huang@...iatek.com>
To: "linux@...linux.org.uk" <linux@...linux.org.uk>
CC: "andrew@...n.ch" <andrew@...n.ch>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "linux-mediatek@...ts.infradead.org"
	<linux-mediatek@...ts.infradead.org>, "linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "kuba@...nel.org" <kuba@...nel.org>,
	"pabeni@...hat.com" <pabeni@...hat.com>, "edumazet@...gle.com"
	<edumazet@...gle.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"dqfext@...il.com" <dqfext@...il.com>,
	Steven Liu (劉人豪) <steven.liu@...iatek.com>,
	"matthias.bgg@...il.com" <matthias.bgg@...il.com>, "davem@...emloft.net"
	<davem@...emloft.net>, "hkallweit1@...il.com" <hkallweit1@...il.com>,
	"daniel@...rotopia.org" <daniel@...rotopia.org>,
	"angelogioacchino.delregno@...labora.com"
	<angelogioacchino.delregno@...labora.com>
Subject: Re: [PATCH net-next v7 3/5] net: phy: mediatek: Add token ring access
 helper functions in mtk-phy-lib

On Wed, 2024-06-19 at 10:01 +0100, Russell King (Oracle) wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  On Thu, Jun 13, 2024 at 06:40:21PM +0800, Sky Huang wrote:
> > +/* Difference between functions with tr* and __tr* prefixes is
> > + *   tr* functions: wrapped by page switching operations
> > + * __tr* functions: no page switching operations
> 
> Please don't align "tr" like this  the lack of __ doesn't stand out
> with
> this formatting.
> 
> > +void __tr_modify(struct phy_device *phydev, u8 ch_addr, u8
> node_addr,
> > + u8 data_addr, u32 mask, u32 set)
> > +{
> > +u32 tr_data;
> > +u16 tr_high;
> > +u16 tr_low;
> > +
> > +__tr_read(phydev, ch_addr, node_addr, data_addr, &tr_high,
> &tr_low);
> > +tr_data = (tr_high << 16) | tr_low;
> > +tr_data = (tr_data & ~mask) | set;
> > +__tr_write(phydev, ch_addr, node_addr, data_addr, tr_data);
> > +}
> > +EXPORT_SYMBOL_GPL(__tr_modify);
> 
> These __tr_* symbols will be visible to the entire kernel, so they
> should be more specific to ensure that they won't clash in the
> future.
> Maybe __mtk_tr_* ?
> 
> -- 
> RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
> FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!

Agree. I'll fix the above and replace tr*/__tr* with mtk_tr*/__mtk_tr*.

BRs,
Sky