linux-kernel - Re: [PATCH RFC net-next v2 03/18] net: pse-pd: tps23881: Use helpers to calculate bit offset for a channel

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Message-ID: <0e9ecb5a-3a6a-4b99-8177-1532134e3e25@lunn.ch>
Date: Thu, 31 Oct 2024 22:11:18 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Kory Maincent <kory.maincent@...tlin.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Jonathan Corbet <corbet@....net>,
	Donald Hunter <donald.hunter@...il.com>,
	Rob Herring <robh@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>,
	Simon Horman <horms@...nel.org>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	linux-doc@...r.kernel.org, Kyle Swenson <kyle.swenson@....tech>,
	Dent Project <dentproject@...uxfoundation.org>,
	kernel@...gutronix.de,
	Maxime Chevallier <maxime.chevallier@...tlin.com>
Subject: Re: [PATCH RFC net-next v2 03/18] net: pse-pd: tps23881: Use helpers
 to calculate bit offset for a channel

> +	val = tps23881_set_val(ret, chan, 0, BIT(chan % 4), BIT(chan % 4));
> +		val = tps23881_set_val(val, chan, 0, BIT(chan % 4),
> +				       BIT(chan % 4));
> +	val = tps23881_set_val(ret, chan, 4, BIT(chan % 4), BIT(chan % 4));
> +		val = tps23881_set_val(val, chan, 4, BIT(chan % 4),
> +				       BIT(chan % 4));
> +	val = tps23881_calc_val(ret, chan, 0, BIT(chan % 4));
> +		val = tps23881_calc_val(ret, chan, 0, BIT(chan % 4));
> +	val = tps23881_calc_val(ret, chan, 0, BIT(chan % 4));
> +	val = tps23881_calc_val(ret, chan, 4, BIT(chan % 4));
> +		val = tps23881_calc_val(ret, chan, 0, BIT(chan % 4));
> +		val = tps23881_calc_val(ret, chan, 4, BIT(chan % 4));

It looks like all the callers of this helper pass BIT(chan % 4) as the
last parameter. Maybe move that into the helper as well?

     Andrew