From patchwork Thu Aug 2 00:53:53 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Parameswaran X-Patchwork-Id: 10553167 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B07C713BB for ; Thu, 2 Aug 2018 00:55:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9F6E42B11A for ; Thu, 2 Aug 2018 00:55:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9383C2B295; Thu, 2 Aug 2018 00:55:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 25E272B11A for ; Thu, 2 Aug 2018 00:55:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=L0Qvos+m8NTnXGBtUkVO1yiloRneaprsH9JE8u7qBRc=; b=N+kZI0R3U1aZcYLcfEjL/ABk13 VGVeKal9RkjY3uIfDuv/0tg6mJr1JLJEHyEGlb0dmRj+txCGOwht04trQ3+EmHhj0ljkTmiu579OY fO2OjM8haSX6rqEc7eQzDTRKV0wFa3Nyv3J8MQnQ2qUidM3Uw+bmGlp9xTkP6VVQ+EiXLg2kM3xaF bym4+RHzJVxHwKzgP//hEc7vSItW1PJqnsC4ZX6Zi0ZGUbKD6lGv60wvGlfhf2IoHvfgdt03NFvZZ FG2AH4SQX7Xy0is/zWsYUsThGh9E06vw6Fn2riLOAqFL5P/BrQIDatZEvAfgLOF6MisWwxLuvWjBK gbKorCoQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fl1tX-0006LW-Kr; Thu, 02 Aug 2018 00:55:11 +0000 Received: from mail-qt0-x244.google.com ([2607:f8b0:400d:c0d::244]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fl1sa-0004id-Bm for linux-arm-kernel@lists.infradead.org; Thu, 02 Aug 2018 00:54:17 +0000 Received: by mail-qt0-x244.google.com with SMTP id y5-v6so496464qti.12 for ; Wed, 01 Aug 2018 17:54:05 -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=HOqtMPkRrllAA9/+1/Qd/9RyHYWH1PW90do0Y7O7k3s=; b=J48J08jBgOnEIbwT8l0S0/82Ii1879zCV/9p5UpdQFlc43+A3FWHywZ9wQoyWKZPfA RKn+abxX/Jz1nJpUcCt4ckHqBTeXKx3DOu4CoOsVKC96PZJYHG2lmaaa3aR3VEiwQVKh xoa4hjSLtTrfau0si20EQZmyJF5r+HNoT9h+0= 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=HOqtMPkRrllAA9/+1/Qd/9RyHYWH1PW90do0Y7O7k3s=; b=iJlI3eCn4+9chBgBpf+6m1yUnCcPMIsyL7CQ2vRYl+YJ2vf0UiGyjsc1Pr96XVWlnv tVCIQx5czmXZqIyO6wV8n5dZqt4ArnfgVUYGNR4BBT9zPUFvkGuHVknDMxpH0yzPxltj mhtNh32qhmN563VeM/lD4GqMdHVYc/vv9GIALBzg/BFms4zq90d3X4/rHX6hijyJ6qBr 0+cBC/1qTr50LNfJ2SXwBMG6/K/CWcdC1/G4NH1MI0hCwc2WrLpDPRv0l6dQ0KRLufPG IySFTlK+DdCN7k8K1b/5VdyBSx+uG07N7QvZMjP2lMj0nOhQpSKazU9NHMDOJbsYDDLz 1YuQ== X-Gm-Message-State: AOUpUlG/HZV/a08BmZqNi1WZMblanTleE+9IOz+0vSOXbhlkVkcHKW/i dbjBKLQ8d3ZGES3O3b73AuUFvA== X-Google-Smtp-Source: AAOMgpd3V7XjdMbu7A+lB59HapT77cCdi4ISeBtIH9hK9rurnSlrysgteY308G4SOwHYL7NWB7KHPw== X-Received: by 2002:ac8:16ee:: with SMTP id y43-v6mr658592qtk.148.1533171244590; Wed, 01 Aug 2018 17:54:04 -0700 (PDT) Received: from lbrmn-lnxub86.ric.broadcom.com ([192.19.228.250]) by smtp.gmail.com with ESMTPSA id e81-v6sm325116qka.3.2018.08.01.17.54.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 01 Aug 2018 17:54:04 -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 Subject: [PATCH v4 8/8] net: phy: Add pm support to Broadcom iProc mdio mux driver Date: Wed, 1 Aug 2018 17:53:53 -0700 Message-Id: <1533171233-14557-9-git-send-email-arun.parameswaran@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1533171233-14557-1-git-send-email-arun.parameswaran@broadcom.com> References: <1533171233-14557-1-git-send-email-arun.parameswaran@broadcom.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180801_175413_005849_B631FE25 X-CRM114-Status: GOOD ( 14.15 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, netdev@vger.kernel.org, Arun Parameswaran , linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add support for suspend and resume to the Broadcom iProc mdio mux driver. Signed-off-by: Arun Parameswaran Reviewed-by: Florian Fainelli --- drivers/net/phy/mdio-mux-bcm-iproc.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/net/phy/mdio-mux-bcm-iproc.c b/drivers/net/phy/mdio-mux-bcm-iproc.c index c608e3c4..518f4c7 100644 --- a/drivers/net/phy/mdio-mux-bcm-iproc.c +++ b/drivers/net/phy/mdio-mux-bcm-iproc.c @@ -286,6 +286,32 @@ 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 platform_device *pdev = to_platform_device(dev); + struct iproc_mdiomux_desc *md = platform_get_drvdata(pdev); + + clk_disable_unprepare(md->core_clk); + + return 0; +} + +static int mdio_mux_iproc_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct iproc_mdiomux_desc *md = platform_get_drvdata(pdev); + + 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", @@ -298,6 +324,7 @@ 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,