netdev - [PATCH net-next v2 4/6] net: mdio: scan bus based on bus capabilities for C22 and C45

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Date:   Wed, 18 Jan 2023 11:01:38 +0100
From:   Michael Walle <michael@...le.cc>
To:     Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Felix Fietkau <nbd@....name>,
        John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Bryan Whitehead <bryan.whitehead@...rochip.com>,
        UNGLinuxDriver@...rochip.com,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Joel Stanley <joel@....id.au>, Andrew Jeffery <andrew@...id.au>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-aspeed@...ts.ozlabs.org, Andrew Lunn <andrew@...n.ch>,
        Michael Walle <michael@...le.cc>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>
Subject: [PATCH net-next v2 4/6] net: mdio: scan bus based on bus capabilities
 for C22 and C45

From: Andrew Lunn <andrew@...n.ch>

Now that all MDIO bus drivers which set probe_capabilities to
MDIOBUS_C22_C45 have been converted to use the name API for C45
transactions, perform the scanning of the bus based on which methods
the bus provides.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
Signed-off-by: Michael Walle <michael@...le.cc>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
---
 drivers/net/phy/mdio_bus.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index a664eeb1868d..5b2f48c09a6a 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -711,9 +711,7 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner)
 			goto error_reset_gpiod;
 	}
 
-	if (bus->probe_capabilities == MDIOBUS_NO_CAP ||
-	    bus->probe_capabilities == MDIOBUS_C22 ||
-	    bus->probe_capabilities == MDIOBUS_C22_C45) {
+	if (bus->read) {
 		err = mdiobus_scan_bus_c22(bus);
 		if (err)
 			goto error;
@@ -721,9 +719,7 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner)
 
 	prevent_c45_scan = mdiobus_prevent_c45_scan(bus);
 
-	if (!prevent_c45_scan &&
-	    (bus->probe_capabilities == MDIOBUS_C45 ||
-	     bus->probe_capabilities == MDIOBUS_C22_C45)) {
+	if (!prevent_c45_scan && bus->read_c45) {
 		err = mdiobus_scan_bus_c45(bus);
 		if (err)
 			goto error;

-- 
2.30.2