Re: [PATCH net-next] net: phy: vitesse: implement MDI-X configuration in vsc73xx
From: Andrew Lunn
Date: Thu Aug 22 2024 - 11:58:42 EST
> +static int vsc73xx_mdix_set(struct phy_device *phydev, u8 mdix)
> +{
> + int ret;
> + u16 val;
> +
> + val = phy_read(phydev, MII_VSC73XX_PHY_BYPASS_CTRL);
> +
> + switch (mdix) {
> + case ETH_TP_MDI:
> + val |= MII_VSC73XX_PBC_FOR_SPD_AUTO_MDIX_DIS |
> + MII_VSC73XX_PBC_PAIR_SWAP_DIS |
> + MII_VSC73XX_PBC_POL_INV_DIS;
> + break;
> + case ETH_TP_MDI_X:
> + /* When MDI-X auto configuration is disabled, is possible
> + * to force only MDI mode. Let's use autoconfig for forced
> + * MDIX mode.
> + */
> + default:
> + val &= ~(MII_VSC73XX_PBC_FOR_SPD_AUTO_MDIX_DIS |
This could be a little bit more readable if rather than default: you
used case ETH_TP_MDI_AUTO: . Then after this code, add a real default:
which returns -EINVAL,
Andrew
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