netdev - [PATCH RFC net-next 04/12] net: dsa: ar9331: convert to phylink_generic

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Message-Id: <E1mpwRn-00D8LE-It@rmk-PC.armlinux.org.uk>
Date:   Wed, 24 Nov 2021 17:52:43 +0000
From:   "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        George McCollister <george.mccollister@...il.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Kurt Kanzenbach <kurt@...utronix.de>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Woojung Huh <woojung.huh@...rochip.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        UNGLinuxDriver@...rochip.com
Subject: [PATCH RFC net-next 04/12] net: dsa: ar9331: convert to
 phylink_generic_validate()

Populate the supported interfaces and MAC capabilities for the AR9331
DSA switch and remove the old validate implementation to allow DSA to
use phylink_generic_validate() for this switch driver.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/dsa/qca/ar9331.c | 45 ++++++++----------------------------
 1 file changed, 10 insertions(+), 35 deletions(-)

diff --git a/drivers/net/dsa/qca/ar9331.c b/drivers/net/dsa/qca/ar9331.c
index da0d7e68643a..3bda7015f0c1 100644
--- a/drivers/net/dsa/qca/ar9331.c
+++ b/drivers/net/dsa/qca/ar9331.c
@@ -499,52 +499,27 @@ static enum dsa_tag_protocol ar9331_sw_get_tag_protocol(struct dsa_switch *ds,
 	return DSA_TAG_PROTO_AR9331;
 }
 
-static void ar9331_sw_phylink_validate(struct dsa_switch *ds, int port,
-				       unsigned long *supported,
-				       struct phylink_link_state *state)
+static void ar9331_sw_phylink_get_caps(struct dsa_switch *ds, int port,
+				       struct phylink_config *config)
 {
-	__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
+	config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+		MAC_10 | MAC_100;
 
 	switch (port) {
 	case 0:
-		if (state->interface != PHY_INTERFACE_MODE_GMII)
-			goto unsupported;
-
-		phylink_set(mask, 1000baseT_Full);
-		phylink_set(mask, 1000baseT_Half);
+		__set_bit(PHY_INTERFACE_MODE_GMII,
+			  config->supported_interfaces);
+		config->mac_capabilities |= MAC_1000;
 		break;
 	case 1:
 	case 2:
 	case 3:
 	case 4:
 	case 5:
-		if (state->interface != PHY_INTERFACE_MODE_INTERNAL)
-			goto unsupported;
+		__set_bit(PHY_INTERFACE_MODE_INTERNAL,
+			  config->supported_interfaces);
 		break;
-	default:
-		linkmode_zero(supported);
-		dev_err(ds->dev, "Unsupported port: %i\n", port);
-		return;
 	}
-
-	phylink_set_port_modes(mask);
-	phylink_set(mask, Pause);
-	phylink_set(mask, Asym_Pause);
-
-	phylink_set(mask, 10baseT_Half);
-	phylink_set(mask, 10baseT_Full);
-	phylink_set(mask, 100baseT_Half);
-	phylink_set(mask, 100baseT_Full);
-
-	linkmode_and(supported, supported, mask);
-	linkmode_and(state->advertising, state->advertising, mask);
-
-	return;
-
-unsupported:
-	linkmode_zero(supported);
-	dev_err(ds->dev, "Unsupported interface: %d, port: %d\n",
-		state->interface, port);
 }
 
 static void ar9331_sw_phylink_mac_config(struct dsa_switch *ds, int port,
@@ -697,7 +672,7 @@ static const struct dsa_switch_ops ar9331_sw_ops = {
 	.get_tag_protocol	= ar9331_sw_get_tag_protocol,
 	.setup			= ar9331_sw_setup,
 	.port_disable		= ar9331_sw_port_disable,
-	.phylink_validate	= ar9331_sw_phylink_validate,
+	.phylink_get_caps	= ar9331_sw_phylink_get_caps,
 	.phylink_mac_config	= ar9331_sw_phylink_mac_config,
 	.phylink_mac_link_down	= ar9331_sw_phylink_mac_link_down,
 	.phylink_mac_link_up	= ar9331_sw_phylink_mac_link_up,
-- 
2.30.2