linux-kernel - Re: [PATCH net-next v2 2/5] net: phy: mediatek: Add token ring access helper functions in mtk-phy-lib

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Message-ID: <8070a622-c6b8-4cf7-9845-ffa8b0478fb4@lunn.ch>
Date: Sun, 16 Feb 2025 17:47:42 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Sky Huang <SkyLake.Huang@...iatek.com>
Cc: Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Daniel Golle <daniel@...rotopia.org>,
	Qingfang Deng <dqfext@...il.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Simon Horman <horms@...nel.org>, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	Steven Liu <Steven.Liu@...iatek.com>
Subject: Re: [PATCH net-next v2 2/5] net: phy: mediatek: Add token ring
 access helper functions in mtk-phy-lib

On Thu, Feb 13, 2025 at 04:05:50PM +0800, Sky Huang wrote:
> From: Sky Huang <skylake.huang@...iatek.com>
> 
> This patch adds TR(token ring) manipulations and adds correct
> macro names for those magic numbers. TR is a way to access
> proprietary registers on page 52b5. Use these helper functions
> so we can see which fields we're going to modify/set/clear.
> 
> TR functions with __* prefix mean that the operations inside
> aren't wrapped by page select/restore functions.
> 
> This patch doesn't really change registers' settings but just
> enhances readability and maintainability.
> 
> Signed-off-by: Sky Huang <skylake.huang@...iatek.com>

This is better, a bit smaller, but still pretty big. If you have made
a typo, and broken it, it is going to take a while to find it, no help
from git bisect.

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew