[PATCH v2 net-next 2/2] net: airoha: Introduce ethernet support for EN7581 SoC

[Andrew Lunn]

> +static void airoha_fe_maccr_init(struct airoha_eth *eth)
> +{

...

> +	airoha_fe_wr(eth, REG_FE_VIP_PATN(11), 0xc057); /* PPP->IPv6CP (0xc057) */

include/uapi/linux/ppp_defs.h
#define PPP_IPV6CP      0x8057  /* IPv6 Control Protocol */

Are these the same thing? Why is there one bit difference?


> +	airoha_fe_wr(eth, REG_FE_VIP_PATN(17), 0x1ae0);
> +	airoha_fe_wr(eth, REG_FE_VIP_EN(17),
> +		     PATN_FCPU_EN_MASK | PATN_SP_EN_MASK |
> +		     FIELD_PREP(PATN_TYPE_MASK, 3) | PATN_EN_MASK);
> +
> +	airoha_fe_wr(eth, REG_FE_VIP_PATN(18), 0x1ae00000);
> +	airoha_fe_wr(eth, REG_FE_VIP_EN(18),
> +		     PATN_FCPU_EN_MASK | PATN_DP_EN_MASK |
> +		     FIELD_PREP(PATN_TYPE_MASK, 3) | PATN_EN_MASK);

> +	airoha_fe_wr(eth, REG_FE_VIP_PATN(22), 0xaaaa);

Please add a comment what these match.

> +static int airoha_dev_change_mtu(struct net_device *dev, int new_mtu)
> +{
> +	dev->mtu = new_mtu;
> +
> +	return 0;
> +}
> +

I don't think this is needed. Look at __dev_set_mtu().

    Andrew

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