Re: [PATCH net-next v2 31/35] [RFT] net: dpaa: Convert to phylink

From: Russell King (Oracle)
Date: Wed Jun 29 2022 - 10:44:42 EST


On Tue, Jun 28, 2022 at 06:14:00PM -0400, Sean Anderson wrote:
> +static void dtsec_mac_config(struct phylink_config *config, unsigned int mode,
> + const struct phylink_link_state *state)
> +{
> + struct mac_device *mac_dev = fman_config_to_mac(config);
> + struct dtsec_regs __iomem *regs = mac_dev->fman_mac->regs;
> + u32 tmp;
> +
> + switch (state->interface) {
> + case PHY_INTERFACE_MODE_RMII:
> + tmp = DTSEC_ECNTRL_RMM;
> + break;
> + case PHY_INTERFACE_MODE_RGMII:
> + case PHY_INTERFACE_MODE_RGMII_ID:
> + case PHY_INTERFACE_MODE_RGMII_RXID:
> + case PHY_INTERFACE_MODE_RGMII_TXID:
> + tmp = DTSEC_ECNTRL_GMIIM | DTSEC_ECNTRL_RPM;
> + break;
> + case PHY_INTERFACE_MODE_SGMII:
> + case PHY_INTERFACE_MODE_1000BASEX:
> + case PHY_INTERFACE_MODE_2500BASEX:
> + tmp = DTSEC_ECNTRL_TBIM | DTSEC_ECNTRL_SGMIIM;
> + break;
> + default:
> + dev_warn(mac_dev->dev, "cannot configure dTSEC for %s\n",
> + phy_modes(state->interface));
> + }
> +
> + if (state->speed == SPEED_100)
> + tmp |= DTSEC_ECNTRL_R100M;

Please do not refer to state->speed here, it is meaningless. What are
you trying to achieve here?

It looks like the old dtsec_adjust_link() used to set/clear this when
the link comes up - so can it be moved to dtsec_link_up() ?

Thanks.

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