netdev - [PATCH RFC net-next 2/9] net: phylink: use phylink_pcs_neg

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Message-Id: <E1q1ULz-007FSi-3j@rmk-PC.armlinux.org.uk>
Date: Tue, 23 May 2023 16:55:15 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: Daniel Machon <daniel.machon@...rochip.com>,
	"David S. Miller" <davem@...emloft.net>,
	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>,
	Lars Povlsen <lars.povlsen@...rochip.com>,
	linux-arm-kernel@...ts.infradead.org,
	Madalin Bucur <madalin.bucur@....com>,
	Marcin Wojtas <mw@...ihalf.com>,
	Michal Simek <michal.simek@....com>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>,
	Radhey Shyam Pandey <radhey.shyam.pandey@...inx.com>,
	Sean Anderson <sean.anderson@...o.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 2/9] net: phylink: use phylink_pcs_neg_mode()

Use phylink_pcs_neg_mode() for phylink_mii_c22_pcs_config(). This
results in no functional change.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/phy/phylink.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 530bfafd4f81..c800bdcddeb8 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -3522,6 +3522,7 @@ int phylink_mii_c22_pcs_config(struct mdio_device *pcs, unsigned int mode,
 			       phy_interface_t interface,
 			       const unsigned long *advertising)
 {
+	unsigned int neg_mode;
 	bool changed = 0;
 	u16 bmcr;
 	int ret, adv;
@@ -3535,15 +3536,13 @@ int phylink_mii_c22_pcs_config(struct mdio_device *pcs, unsigned int mode,
 		changed = ret;
 	}
 
-	/* Ensure ISOLATE bit is disabled */
-	if (mode == MLO_AN_INBAND &&
-	    (interface == PHY_INTERFACE_MODE_SGMII ||
-	     interface == PHY_INTERFACE_MODE_QSGMII ||
-	     linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, advertising)))
+	neg_mode = phylink_pcs_neg_mode(mode, interface, advertising);
+	if (neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED)
 		bmcr = BMCR_ANENABLE;
 	else
 		bmcr = 0;
 
+	/* Configure the inband state. Ensure ISOLATE bit is disabled */
 	ret = mdiodev_modify(pcs, MII_BMCR, BMCR_ANENABLE | BMCR_ISOLATE, bmcr);
 	if (ret < 0)
 		return ret;
-- 
2.30.2