netdev - [PATCH RFC net-next 10/15] net: prestera: update PCS driver to use neg

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Message-Id: <E1q95A3-00EBwQ-1y@rmk-PC.armlinux.org.uk>
Date: Tue, 13 Jun 2023 15:38:19 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexander Couzens <lynxis@...0.eu>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Cc@....codeaurora.org:Alexander Couzens <lynxis@...0.eu>,
	Claudiu Beznea <claudiu.beznea@...rochip.com>,
	Daniel Golle <daniel@...rotopia.org>,
	Daniel Machon <daniel.machon@...rochip.com>,
	"David S. Miller" <davem@...emloft.net>,
	DENG Qingfang <dqfext@...il.com>, Eric Dumazet <edumazet@...gle.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Horatiu Vultur <horatiu.vultur@...rochip.com>,
	Ioana Ciornei <ioana.ciornei@....com>,
	Jakub Kicinski <kuba@...nel.org>,
	Jose Abreu <Jose.Abreu@...opsys.com>,
	Landen Chao <Landen.Chao@...iatek.com>,
	Lars Povlsen <lars.povlsen@...rochip.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	Madalin Bucur <madalin.bucur@....com>,
	Marcin Wojtas <mw@...ihalf.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Michal Simek <michal.simek@....com>, netdev@...r.kernel.org,
	Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Paolo Abeni <pabeni@...hat.com>,
	Radhey Shyam Pandey <radhey.shyam.pandey@...inx.com>,
	Sean Anderson <sean.anderson@...o.com>,
	Sean Wang <sean.wang@...iatek.com>,
	Steen Hegelund <Steen.Hegelund@...rochip.com>,
	Taras Chornyi <taras.chornyi@...ision.eu>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	UNGLinuxDriver@...rochip.com, Vladimir Oltean <olteanv@...il.com>
Subject: [PATCH RFC net-next 10/15] net: prestera: update PCS driver to use
 neg_mode

Update prestera's embedded PCS driver to use neg_mode rather than the
mode argument. As there is no pcs_link_up() method, this only affects
the pcs_config() method.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/ethernet/marvell/prestera/prestera_main.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/marvell/prestera/prestera_main.c b/drivers/net/ethernet/marvell/prestera/prestera_main.c
index 9d504142e51a..4fb886c57cd7 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_main.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_main.c
@@ -300,8 +300,7 @@ static void prestera_pcs_get_state(struct phylink_pcs *pcs,
 	}
 }
 
-static int prestera_pcs_config(struct phylink_pcs *pcs,
-			       unsigned int mode,
+static int prestera_pcs_config(struct phylink_pcs *pcs, unsigned int neg_mode,
 			       phy_interface_t interface,
 			       const unsigned long *advertising,
 			       bool permit_pause_to_mac)
@@ -316,30 +315,25 @@ static int prestera_pcs_config(struct phylink_pcs *pcs,
 
 	cfg_mac.admin = true;
 	cfg_mac.fec = PRESTERA_PORT_FEC_OFF;
+	cfg_mac.inband = neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED;
 
 	switch (interface) {
 	case PHY_INTERFACE_MODE_10GBASER:
 		cfg_mac.speed = SPEED_10000;
-		cfg_mac.inband = 0;
 		cfg_mac.mode = PRESTERA_MAC_MODE_SR_LR;
 		break;
 	case PHY_INTERFACE_MODE_2500BASEX:
 		cfg_mac.speed = SPEED_2500;
 		cfg_mac.duplex = DUPLEX_FULL;
-		cfg_mac.inband = test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
-					  advertising);
 		cfg_mac.mode = PRESTERA_MAC_MODE_SGMII;
 		break;
 	case PHY_INTERFACE_MODE_SGMII:
-		cfg_mac.inband = 1;
 		cfg_mac.mode = PRESTERA_MAC_MODE_SGMII;
 		break;
 	case PHY_INTERFACE_MODE_1000BASEX:
 	default:
 		cfg_mac.speed = SPEED_1000;
 		cfg_mac.duplex = DUPLEX_FULL;
-		cfg_mac.inband = test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
-					  advertising);
 		cfg_mac.mode = PRESTERA_MAC_MODE_1000BASE_X;
 		break;
 	}
@@ -401,6 +395,7 @@ static int prestera_port_sfp_bind(struct prestera_port *port)
 			continue;
 
 		port->phylink_pcs.ops = &prestera_pcs_ops;
+		port->phylink_pcs.neg_mode = true;
 
 		port->phy_config.dev = &port->dev->dev;
 		port->phy_config.type = PHYLINK_NETDEV;
-- 
2.30.2