netdev - Re: [PATCH v8 3/4] phy: Add Sparx5 ethernet serdes PHY driver

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Date:   Thu, 3 Dec 2020 22:52:33 +0000
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Steen Hegelund <steen.hegelund@...rochip.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Bjarni Jonasson <bjarni.jonasson@...rochip.com>,
        Microchip UNG Driver List <UNGLinuxDriver@...rochip.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 3/4] phy: Add Sparx5 ethernet serdes PHY driver

On Thu, Dec 03, 2020 at 10:52:53PM +0100, Andrew Lunn wrote:
> > +/* map from SD25G28 interface width to configuration value */
> > +static u8 sd25g28_get_iw_setting(const u8 interface_width)
> > +{
> > +	switch (interface_width) {
> > +	case 10: return 0;
> > +	case 16: return 1;
> > +	case 32: return 3;
> > +	case 40: return 4;
> > +	case 64: return 5;
> > +	default:
> > +		pr_err("%s: Illegal value %d for interface width\n",
> > +		       __func__, interface_width);
> 
> Please make use of dev_err(phy->dev, so we know which PHY has
> configuration problems.
> 
> > +static int sparx5_serdes_validate(struct phy *phy, enum phy_mode mode,
> > +					int submode,
> > +					union phy_configure_opts *opts)
> > +{
> > +	struct sparx5_serdes_macro *macro = phy_get_drvdata(phy);
> > +	struct sparx5_serdes_private *priv = macro->priv;
> > +	u32 value, analog_sd;
> > +
> > +	if (mode != PHY_MODE_ETHERNET)
> > +		return -EINVAL;
> > +
> > +	switch (submode) {
> > +	case PHY_INTERFACE_MODE_1000BASEX:
> > +	case PHY_INTERFACE_MODE_SGMII:
> > +	case PHY_INTERFACE_MODE_QSGMII:
> > +	case PHY_INTERFACE_MODE_10GBASER:
> > +		break;
> > +	default:
> > +		return -EINVAL;
> > +	}
> > +	if (macro->serdestype == SPX5_SDT_6G) {
> > +		value = sdx5_rd(priv, SD6G_LANE_LANE_DF(macro->stpidx));
> > +		analog_sd = SD6G_LANE_LANE_DF_PMA2PCS_RXEI_FILTERED_GET(value);
> > +	} else if (macro->serdestype == SPX5_SDT_10G) {
> > +		value = sdx5_rd(priv, SD10G_LANE_LANE_DF(macro->stpidx));
> > +		analog_sd = SD10G_LANE_LANE_DF_PMA2PCS_RXEI_FILTERED_GET(value);
> > +	} else {
> > +		value = sdx5_rd(priv, SD25G_LANE_LANE_DE(macro->stpidx));
> > +		analog_sd = SD25G_LANE_LANE_DE_LN_PMA_RXEI_GET(value);
> > +	}
> > +	/* Link up is when analog_sd == 0 */
> > +	return analog_sd;
> > +}

You still have not Cc'd me on your patches. Please can you either:

1) use get_maintainer.pl to find out whom you should be sending
   your patches to
or
2) include me in your cc for this patch set as phylink maintainer in
   your patch set so I can review your use of phylink.

Consider your patches NAK'd until you send them to me so that I can
review them.

Thanks.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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