From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiner Kallweit Subject: [PATCH] net: stmmac: add separate warning for PTP not being supported by HW Date: Wed, 1 Feb 2017 22:02:02 +0100 Message-ID: <0983485b-418d-5c9b-e94b-8f4edc9f13cf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: "netdev@vger.kernel.org" , linux-amlogic@lists.infradead.org To: David Miller Return-path: Received: from mail-wj0-f193.google.com ([209.85.210.193]:34974 "EHLO mail-wj0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752047AbdBAVFY (ORCPT ); Wed, 1 Feb 2017 16:05:24 -0500 Received: by mail-wj0-f193.google.com with SMTP id i7so14305079wjf.2 for ; Wed, 01 Feb 2017 13:05:24 -0800 (PST) Sender: netdev-owner@vger.kernel.org List-ID: Chips like Amlogic S905GXBB are supported by this driver but don't have support for PTP. Add a separate warning for missing HW support to differentiate it from other actual failures. Signed-off-by: Heiner Kallweit --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 26a2185f..bd83bf9e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1726,8 +1726,10 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp) if (init_ptp) { ret = stmmac_init_ptp(priv); - if (ret) - netdev_warn(priv->dev, "fail to init PTP.\n"); + if (ret == -EOPNOTSUPP) + netdev_warn(priv->dev, "PTP not supported by HW\n"); + else if (ret) + netdev_warn(priv->dev, "PTP init failed\n"); } #ifdef CONFIG_DEBUG_FS -- 2.11.0