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=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 A5744C67790 for ; Fri, 27 Jul 2018 21:23:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5E45F20671 for ; Fri, 27 Jul 2018 21:23:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="eSMMhD2I" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5E45F20671 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389952AbeG0Wr1 (ORCPT ); Fri, 27 Jul 2018 18:47:27 -0400 Received: from mail-qk0-f195.google.com ([209.85.220.195]:33230 "EHLO mail-qk0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389890AbeG0Wr0 (ORCPT ); Fri, 27 Jul 2018 18:47:26 -0400 Received: by mail-qk0-f195.google.com with SMTP id 27-v6so4219819qkv.0 for ; Fri, 27 Jul 2018 14:23:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=0ogW1NFRN4aOL8E2KY+5+PQwBZjlherVYGuxwPJtFmI=; b=eSMMhD2Ipzrbm/K/jrt4buWJYqIi9coI/HClew6qyJHhgpJr4gZQJlr2yc+sRvFRZW j6rS5Na/fcrmEC9cXvvUQF9xM/VXGFKxyPFL+7kFu1kiAzwKOE8yr15oDd8NHnK1eDoz wnBD1xV54QRgz+7Je2Yz2ay/vSZFj1Z4QZMSE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=0ogW1NFRN4aOL8E2KY+5+PQwBZjlherVYGuxwPJtFmI=; b=IlPob/UpmU7Ms5umzU/xk05vYdyGDUGGaC7mGkr9liFoi30wQk9unswbnaLKuikdCr gD1UN2bl6AbmfpGnbyW8Egf8WPyAYHPBn67KQSbP/Z6z9pFz1ZFzxBOl9OdscjjxSJ7F TQPiRvmPQ87la2gzORYVyt5St0Ih9v8wsB0jPrQ21bnHfKZxTxBx9sTC1KdzosqHKARp SNRBSXvTsSb1bGAOszQjyaCAGTe96/xwOIqz1pZZlwATm3vmcSQuPrElnPxJz6yAHNXv K8EwgIiVm45NFMqll0TU7C1MxrKkhteUbeGr1DfQIcu54cDq46RHkS6pB3MH8dc+gdzJ U7LA== X-Gm-Message-State: AOUpUlFjeluOLit7ITBFQ/xcE+QN8W0HERwykiqzHWbLUAgn4IJ+tLGW Im254vxjUJY2+8HJALW+49hcLA== X-Google-Smtp-Source: AAOMgpfWlUnKHE0cOmpBrNoFFGEv4JSBhIZ+XC3j9D1lggej2K0WqAUP1g+fJG9Wx3LJfhvSG4trog== X-Received: by 2002:a37:8e46:: with SMTP id q67-v6mr7147729qkd.439.1532726622482; Fri, 27 Jul 2018 14:23:42 -0700 (PDT) Received: from lbrmn-lnxub86.ric.broadcom.com ([192.19.228.250]) by smtp.gmail.com with ESMTPSA id e21-v6sm3416622qtc.67.2018.07.27.14.23.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 27 Jul 2018 14:23:41 -0700 (PDT) From: Arun Parameswaran To: "David S. Miller" , Florian Fainelli , Andrew Lunn , Rob Herring , Mark Rutland , Ray Jui , Scott Branden , Catalin Marinas , Will Deacon Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, Arun Parameswaran Subject: [PATCH v2 7/7] net: phy: Add pm support to Broadcom iProc mdio mux driver Date: Fri, 27 Jul 2018 14:23:33 -0700 Message-Id: <1532726613-6483-8-git-send-email-arun.parameswaran@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1532726613-6483-1-git-send-email-arun.parameswaran@broadcom.com> References: <1532726613-6483-1-git-send-email-arun.parameswaran@broadcom.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for suspend and resume to the Broadcom iProc mdio mux driver. Signed-off-by: Arun Parameswaran --- drivers/net/phy/mdio-mux-bcm-iproc.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/net/phy/mdio-mux-bcm-iproc.c b/drivers/net/phy/mdio-mux-bcm-iproc.c index 51d1003..d89dce0 100644 --- a/drivers/net/phy/mdio-mux-bcm-iproc.c +++ b/drivers/net/phy/mdio-mux-bcm-iproc.c @@ -290,6 +290,33 @@ static int mdio_mux_iproc_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP +static int mdio_mux_iproc_suspend(struct device *dev) +{ + struct iproc_mdiomux_desc *md = dev_get_drvdata(dev); + + if (md->core_clk) + clk_disable_unprepare(md->core_clk); + + return 0; +} + +static int mdio_mux_iproc_resume(struct device *dev) +{ + struct iproc_mdiomux_desc *md = dev_get_drvdata(dev); + + if (md->core_clk) + clk_prepare_enable(md->core_clk); + + mdio_mux_iproc_config(md); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(mdio_mux_iproc_pm_ops, + mdio_mux_iproc_suspend, mdio_mux_iproc_resume); + static const struct of_device_id mdio_mux_iproc_match[] = { { .compatible = "brcm,mdio-mux-iproc", @@ -302,6 +329,7 @@ static int mdio_mux_iproc_remove(struct platform_device *pdev) .driver = { .name = "mdio-mux-iproc", .of_match_table = mdio_mux_iproc_match, + .pm = &mdio_mux_iproc_pm_ops, }, .probe = mdio_mux_iproc_probe, .remove = mdio_mux_iproc_remove, -- 1.9.1