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SubjectRe: [PATCH net-next 4/5] net: lan743x: Add support to SGMII 1G and 2.5G
> +/* MMD Device IDs */
> +#define STD_DEVID (0x0)
> +#define MMD_PMAPMD (0x1)
> +#define MMD_PCS (0x3)
> +#define MMD_ANEG (0x7)
> +#define MMD_VSPEC1 (0x1E)
> +#define MMD_VSPEC2 (0x1F)

Please use the values from include/uapi/mdio.h

> +
> +/* Vendor Specific SGMII MMD details */
> +#define SR_MII_DEV_ID1 0x0002
> +#define SR_MII_DEV_ID2 0x0003

MDIO_DEVID1 & MDIO_DEVID2

> +#define SR_VSMMD_PCS_ID1 0x0004
> +#define SR_VSMMD_PCS_ID2 0x0005
> +#define SR_VSMMD_STS 0x0008
> +#define SR_VSMMD_CTRL 0x0009
> +
> +#define SR_MII_CTRL 0x0000
> +#define SR_MII_CTRL_RST_ BIT(15)
> +#define SR_MII_CTRL_LBE_ BIT(14)
> +#define SR_MII_CTRL_SS13_ BIT(13)
> +#define SR_MII_CTRL_AN_ENABLE_ BIT(12)
> +#define SR_MII_CTRL_LPM_ BIT(11)
> +#define SR_MII_CTRL_RESTART_AN_ BIT(9)
> +#define SR_MII_CTRL_DUPLEX_MODE_ BIT(8)
> +#define SR_MII_CTRL_SS6_ BIT(6)

These look like standard BMCR registers. Please use the values from
mii.h

> +#define SR_MII_STS 0x0001
> +#define SR_MII_STS_ABL100T4_ BIT(15)
> +#define SR_MII_STS_FD100ABL_ BIT(14)
> +#define SR_MII_STS_HD100ABL_ BIT(13)
> +#define SR_MII_STS_FD10ABL_ BIT(12)
> +#define SR_MII_STS_HD10ABL_ BIT(11)
> +#define SR_MII_STS_FD100T_ BIT(10)
> +#define SR_MII_STS_HD100T_ BIT(9)
> +#define SR_MII_STS_EXT_STS_ABL_ BIT(8)
> +#define SR_MII_STS_UN_DIR_ABL_ BIT(7)
> +#define SR_MII_STS_MF_PRE_SUP_ BIT(6)
> +#define SR_MII_STS_AN_CMPL_ BIT(5)
> +#define SR_MII_STS_RF_ BIT(4)
> +#define SR_MII_STS_AN_ABL_ BIT(3)
> +#define SR_MII_STS_LINK_STS_ BIT(2)
> +#define SR_MII_STS_EXT_REG_CAP_ BIT(0)

These look like BMSR.

It could even be, you can just use generic code for these.

Andrew

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