netdev - [PATCH net-next 6/8] net: phylink: Test if MAC/PCS support Autoneg

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Message-Id: <001bd169362fa564d515d423ca6d42640a35df6a.1583742616.git.Jose.Abreu@synopsys.com>
Date:   Mon,  9 Mar 2020 09:36:25 +0100
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     netdev@...r.kernel.org
Cc:     Joao Pinto <Joao.Pinto@...opsys.com>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next 6/8] net: phylink: Test if MAC/PCS support Autoneg

We may have cases where MAC or PCS do not support Autoneg. Check if it
is supported after validate callback is called.

Signed-off-by: Jose Abreu <Jose.Abreu@...opsys.com>

---
Cc: Giuseppe Cavallaro <peppe.cavallaro@...com>
Cc: Alexandre Torgue <alexandre.torgue@...com>
Cc: Jose Abreu <joabreu@...opsys.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc: Russell King <linux@...linux.org.uk>
Cc: Andrew Lunn <andrew@...n.ch>
Cc: Florian Fainelli <f.fainelli@...il.com>
Cc: Heiner Kallweit <hkallweit1@...il.com>
Cc: netdev@...r.kernel.org
Cc: linux-stm32@...md-mailman.stormreply.com
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/net/phy/phylink.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 47f4ce02d7bc..19db68d74cb4 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -340,6 +340,9 @@ static int phylink_parse_mode(struct phylink *pl, struct fwnode_handle *fwnode)
 				    "failed to validate link configuration for in-band status\n");
 			return -EINVAL;
 		}
+
+		/* Check if MAC/PCS also supports Autoneg. */
+		pl->link_config.an_enabled = phylink_test(pl->supported, Autoneg);
 	}
 
 	return 0;
-- 
2.7.4