linux-kernel - [PATCH] net: phy: fixed_phy: print gpio error only if gpio node is present

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Message-Id: <20190730094623.31640-1-h.feurstein@gmail.com>
Date:   Tue, 30 Jul 2019 11:46:23 +0200
From:   Hubert Feurstein <h.feurstein@...il.com>
To:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Hubert Feurstein <h.feurstein@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH] net: phy: fixed_phy: print gpio error only if gpio node is present

It is perfectly ok to not have an gpio attached to the fixed-link node. So
the driver should not throw an error message when the gpio is missing.

Signed-off-by: Hubert Feurstein <h.feurstein@...il.com>
---
 drivers/net/phy/fixed_phy.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c
index 3ffe46df249e..7c5265fd2b94 100644
--- a/drivers/net/phy/fixed_phy.c
+++ b/drivers/net/phy/fixed_phy.c
@@ -216,8 +216,10 @@ static struct gpio_desc *fixed_phy_get_gpiod(struct device_node *np)
 	if (IS_ERR(gpiod)) {
 		if (PTR_ERR(gpiod) == -EPROBE_DEFER)
 			return gpiod;
-		pr_err("error getting GPIO for fixed link %pOF, proceed without\n",
-		       fixed_link_node);
+
+		if (PTR_ERR(gpiod) != -ENOENT)
+			pr_err("error getting GPIO for fixed link %pOF, proceed without\n",
+			       fixed_link_node);
 		gpiod = NULL;
 	}
 
-- 
2.22.0