netdev - [PATCH 1/2] net: stmmac: Silence PTP init errors on hw without PTP

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Date:	Sun, 26 Jan 2014 15:50:43 +0100
From:	Hans de Goede <hdegoede@...hat.com>
To:	Giuseppe Cavallaro <peppe.cavallaro@...com>
Cc:	netdev@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>
Subject: [PATCH 1/2] net: stmmac: Silence PTP init errors on hw without PTP

Logging a PTP error on hw which simply does not support PTP is not very
useful. Moreover this message gets logged on every if-up, and if there is
no cable inserted NetworkManager will re-try the ifup every 50 seconds.

Signed-off-by: Hans de Goede <hdegoede@...hat.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index ff514b5..838d0b7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1687,7 +1687,7 @@ static int stmmac_open(struct net_device *dev)
 	stmmac_mmc_setup(priv);
 
 	ret = stmmac_init_ptp(priv);
-	if (ret)
+	if (ret && ret != -EOPNOTSUPP)
 		pr_warn("%s: failed PTP initialisation\n", __func__);
 
 #ifdef CONFIG_STMMAC_DEBUG_FS
-- 
1.8.5.3

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