linux-kernel - [PATCH v2 net-next 1/1] net: stmmac: allow stmmac to probe for C45 PHY devices

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Message-Id: <20201209224700.30295-1-vee.khee.wong@intel.com>
Date:   Thu, 10 Dec 2020 06:47:00 +0800
From:   Wong Vee Khee <vee.khee.wong@...el.com>
To:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc:     netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Ong Boon Leong <boon.leong.ong@...el.com>,
        Voon Wei Feng <weifeng.voon@...el.com>,
        Wong Vee Khee <vee.khee.wong@...el.com>
Subject: [PATCH v2 net-next 1/1] net: stmmac: allow stmmac to probe for C45 PHY devices

Assign stmmac's mdio_bus probe capabilities to MDIOBUS_C22_C45.
This extended the probing of C45 PHY devices on the MDIO bus.

Signed-off-by: Wong Vee Khee <vee.khee.wong@...el.com>
---
v2 changelog:
- Added conditional check for gmac4.
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index b2a707e2ef43..d64116e0543e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -365,6 +365,9 @@ int stmmac_mdio_register(struct net_device *ndev)
 
 	new_bus->name = "stmmac";
 
+	if (priv->plat->has_gmac4)
+		new_bus->probe_capabilities = MDIOBUS_C22_C45;
+
 	if (priv->plat->has_xgmac) {
 		new_bus->read = &stmmac_xgmac2_mdio_read;
 		new_bus->write = &stmmac_xgmac2_mdio_write;
-- 
2.17.0