linux-kernel - Re: [PATCH 2/2] net: phy: dp83869: Fix RGMII-SGMII and 1000BASE-X

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Message-ID: <16f79b3f-0b33-4196-858a-b1469ed1200b@lunn.ch>
Date: Tue, 14 May 2024 15:08:59 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Thomas Gessler <thomas.gessler@...eckmann-gmbh.de>
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>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	MD Danish Anwar <danishanwar@...com>,
	Ravi Gunasekaran <r-gunasekaran@...com>
Subject: Re: [PATCH 2/2] net: phy: dp83869: Fix RGMII-SGMII and 1000BASE-X

> +/* FX_CTRL bits */
> +#define DP83869_CTRL0_SPEED_SEL_MSB		BIT(6)
> +#define DP83869_CTRL0_DUPLEX_MODE		BIT(8)
> +#define DP83869_CTRL0_RESTART_AN		BIT(9)
> +#define DP83869_CTRL0_ISOLATE			BIT(10)
> +#define DP83869_CTRL0_PWRDN			BIT(11)
> +#define DP83869_CTRL0_ANEG_EN			BIT(12)
> +#define DP83869_CTRL0_SPEED_SEL_LSB		BIT(13)
> +#define DP83869_CTRL0_LOOPBACK			BIT(14)

This looks like a standard BMCR. Please just use defines from mii.h,
since they are well known.

> +/* FX_STS bits */
> +#define DP83869_STTS_LINK_STATUS		BIT(2)
> +#define DP83869_STTS_ANEG_COMPLETE		BIT(5)

And these are standard BMCR bits.

> +
> +/* FX_ANADV bits */
> +#define DP83869_BP_FULL_DUPLEX			BIT(5)
> +#define DP83869_BP_HALF_DUPLEX			BIT(6)
> +#define DP83869_BP_PAUSE			BIT(7)
> +#define DP83869_BP_ASYMMETRIC_PAUSE		BIT(8)

ADVERTISE_1000XPSE_ASYN, ADVERTISE_1000XPAUSE, ...

Please go through all these defines and see what match to existing
ones.

	Andrew