From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D70B2C4360F for ; Tue, 2 Apr 2019 13:15:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AB7E12070D for ; Tue, 2 Apr 2019 13:15:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731090AbfDBNPK (ORCPT ); Tue, 2 Apr 2019 09:15:10 -0400 Received: from relay11.mail.gandi.net ([217.70.178.231]:58135 "EHLO relay11.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729732AbfDBNPK (ORCPT ); Tue, 2 Apr 2019 09:15:10 -0400 Received: from localhost (aaubervilliers-681-1-89-125.w90-88.abo.wanadoo.fr [90.88.30.125]) (Authenticated sender: antoine.tenart@bootlin.com) by relay11.mail.gandi.net (Postfix) with ESMTPSA id 9171E100011; Tue, 2 Apr 2019 13:15:01 +0000 (UTC) From: Antoine Tenart To: davem@davemloft.net, linux@armlinux.org.uk, andrew@lunn.ch, f.fainelli@gmail.com, hkallweit1@gmail.com Cc: Antoine Tenart , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, maxime.chevallier@bootlin.com, gregory.clement@bootlin.com, miquel.raynal@bootlin.com, nadavh@marvell.com, stefanc@marvell.com, mw@semihalf.com Subject: [PATCH net-next v4 1/2] net: phy: marvell10g: implement suspend/resume callbacks Date: Tue, 2 Apr 2019 15:10:28 +0200 Message-Id: <20190402131029.26880-2-antoine.tenart@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190402131029.26880-1-antoine.tenart@bootlin.com> References: <20190402131029.26880-1-antoine.tenart@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds the suspend/resume callbacks for Marvell 10G PHYs. The three PCS (base-t, base-r and 1000base-x) are set in low power (the PCS are powered down) when the PHY isn't used. Signed-off-by: Antoine Tenart --- drivers/net/phy/marvell10g.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c index 80678919641d..9ee033c8a12b 100644 --- a/drivers/net/phy/marvell10g.c +++ b/drivers/net/phy/marvell10g.c @@ -51,6 +51,8 @@ enum { MV_AN_STAT1000 = 0x8001, /* 1000base-T status register */ /* Vendor2 MMD registers */ + MV_V2_PORT_CTRL = 0xf001, + MV_V2_PORT_CTRL_PWRDOWN = 0x0800, MV_V2_TEMP_CTRL = 0xf08a, MV_V2_TEMP_CTRL_MASK = 0xc000, MV_V2_TEMP_CTRL_SAMPLE = 0x0000, @@ -229,11 +231,19 @@ static int mv3310_probe(struct phy_device *phydev) static int mv3310_suspend(struct phy_device *phydev) { - return 0; + return phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL, + MV_V2_PORT_CTRL_PWRDOWN); } static int mv3310_resume(struct phy_device *phydev) { + int ret; + + ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL, + MV_V2_PORT_CTRL_PWRDOWN); + if (ret) + return ret; + return mv3310_hwmon_config(phydev, true); } -- 2.20.1