Messages in this thread | | | From | Paweł Dembicki <> | Date | Tue, 3 Oct 2023 22:45:45 +0200 | Subject | Re: [PATCH net-next v3 2/8] net: dsa: vsc73xx: convert to PHYLINK |
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śr., 27 wrz 2023 o 01:03 Vladimir Oltean <olteanv@gmail.com> napisał(a): > > On Tue, Sep 12, 2023 at 05:49:36PM +0100, Russell King (Oracle) wrote: > > On Tue, Sep 12, 2023 at 02:21:56PM +0200, Pawel Dembicki wrote: > > > +static void vsc73xx_phylink_mac_link_up(struct dsa_switch *ds, int port, > > > + unsigned int mode, > > > + phy_interface_t interface, > > > + struct phy_device *phydev, > > > + int speed, int duplex, > > > + bool tx_pause, bool rx_pause) > > > +{ > > > + struct vsc73xx *vsc = ds->priv; > > > + u32 val; > > > + > > > + if (speed == SPEED_1000) > > > + val = VSC73XX_MAC_CFG_GIGA_MODE | VSC73XX_MAC_CFG_TX_IPG_1000M; > > > + else > > > + val = VSC73XX_MAC_CFG_TX_IPG_100_10M; > > > + > > > + if (interface == PHY_INTERFACE_MODE_RGMII) > > > + val |= VSC73XX_MAC_CFG_CLK_SEL_1000M; > > > + else > > > + val |= VSC73XX_MAC_CFG_CLK_SEL_EXT; > > > > I know the original code tested against PHY_INTERFACE_MODE_RGMII, but > > is this correct, or should it be: > > > > if (phy_interface_is_rgmii(interface)) > > > > since the various RGMII* modes are used to determine the delay on the > > PHY side. > > > > Even so, I don't think that is a matter for this patch, but a future > > (or maybe a preceeding patch) to address. > > > > Other than that, I think it looks okay. > > > > Thanks. > > > > -- > > RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ > > FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last! > > I also agree with adding one more patch to this which converts to > phy_interface_is_rgmii(). Paweł: there was a recent discussion about > the (ir)relevance of the specific rgmii phy-mode in fixed-link here. > https://lore.kernel.org/netdev/ZNpEaMJjmDqhK1dW@shell.armlinux.org.uk/
I plan to make rgmii delays configurable from the device tree. Should I? a. switch to phy_interface_is_rgmii in the current patch? b. add another patch in this series? c. wait with change to phy_interface_is_rgmii for patch with rgmii delays configuration?
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