From patchwork Wed Dec 13 17:37:49 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Stach X-Patchwork-Id: 848066 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yxkRp4Vmhz9s83 for ; Thu, 14 Dec 2017 04:37:58 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753699AbdLMRh4 (ORCPT ); Wed, 13 Dec 2017 12:37:56 -0500 Received: from metis.ext.4.pengutronix.de ([92.198.50.35]:43011 "EHLO metis.ext.4.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753311AbdLMRhx (ORCPT ); Wed, 13 Dec 2017 12:37:53 -0500 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7] helo=dude.pengutronix.de.) by metis.ext.pengutronix.de with esmtp (Exim 4.84_2) (envelope-from ) id 1ePAyd-0004wv-Sz; Wed, 13 Dec 2017 18:37:51 +0100 From: Lucas Stach To: Andrew Lunn , Florian Fainelli Cc: netdev@vger.kernel.org, kernel@pengutronix.de, patchwork-lst@pengutronix.de Subject: [PATCH 1/3] net: phy: add support to detect 100BASE-T1 capability Date: Wed, 13 Dec 2017 18:37:49 +0100 Message-Id: <20171213173751.12722-1-l.stach@pengutronix.de> X-Mailer: git-send-email 2.11.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: l.stach@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: netdev@vger.kernel.org Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 100BASE-T1 is the automotive ethernet standard 802.3bw-2015. Currently we don't detect any valid modes for PHYs, which only support this standard. Add support to detect the common 100Mbit full-duplex mode. Signed-off-by: Lucas Stach --- drivers/net/phy/phy_device.c | 2 ++ include/uapi/linux/mii.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 67f25ac29025..8ef48b38d97b 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1607,6 +1607,8 @@ int genphy_config_init(struct phy_device *phydev) if (val < 0) return val; + if (val & ESTATUS_100T1_FULL) + features |= SUPPORTED_100baseT_Full; if (val & ESTATUS_1000_TFULL) features |= SUPPORTED_1000baseT_Full; if (val & ESTATUS_1000_THALF) diff --git a/include/uapi/linux/mii.h b/include/uapi/linux/mii.h index b5c2fdcf23fd..eb5cc45d23fb 100644 --- a/include/uapi/linux/mii.h +++ b/include/uapi/linux/mii.h @@ -121,6 +121,7 @@ #define EXPANSION_MFAULTS 0x0010 /* Multiple faults detected */ #define EXPANSION_RESV 0xffe0 /* Unused... */ +#define ESTATUS_100T1_FULL 0x0080 /* Can do 100BASE-T1 Full */ #define ESTATUS_1000_TFULL 0x2000 /* Can do 1000BT Full */ #define ESTATUS_1000_THALF 0x1000 /* Can do 1000BT Half */