From patchwork Tue Mar 5 08:29:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Roullier X-Patchwork-Id: 10839151 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 1C22D922 for ; Tue, 5 Mar 2019 08:31:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 03FA62BFA3 for ; Tue, 5 Mar 2019 08:31:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 01E922BF95; Tue, 5 Mar 2019 08:31:03 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED 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 831602BFA4 for ; Tue, 5 Mar 2019 08:31:03 +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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=sfWeLrPX9q4fH5mHWWz7oteUTP7Q+aXvbWD4DKL7bfQ=; b=Qj57dQeArEQKUx 2YVR9I7lkvONHpW2imE4uppuAL6iXA3zNO6R0uDhOjW+qoU1h+BnjRq3fOYleuY/ZyNJbb2Fa6YS9 iVRq7mH+QZvduWw5AUo2eqw3UB9e/cTRd0YBaBGbZF62aYSnq/erstDXGjLtZ3VlhJ6kPyDWCvvev jH8v6GC32VKpKJTpsYqBISaH04plribdS2ajosI9bilg1sM0c1EOMe4WoszANRYAD0RVCXvLcdKsS 3Byhjdtk0U9UN50A4cssxceYcio5MsWrzuRIhjgfbRvtWi4m91+vOInRqipeIyz761qyGf4muKzz8 R+HATxY3hiNHfYr0b2sA==; 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 1h15TS-0007Yl-EM; Tue, 05 Mar 2019 08:30:54 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h15SP-0004zp-S7 for linux-arm-kernel@lists.infradead.org; Tue, 05 Mar 2019 08:29:53 +0000 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x258BVoC008401; Tue, 5 Mar 2019 09:29:37 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2qyhgar6ky-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 05 Mar 2019 09:29:37 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 533DA3D; Tue, 5 Mar 2019 08:29:36 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas24.st.com [10.75.90.94]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 01A501675; Tue, 5 Mar 2019 08:29:35 +0000 (GMT) Received: from SAFEX1HUBCAS23.st.com (10.75.90.47) by Safex1hubcas24.st.com (10.75.90.94) with Microsoft SMTP Server (TLS) id 14.3.361.1; Tue, 5 Mar 2019 09:29:35 +0100 Received: from localhost (10.201.23.166) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Tue, 5 Mar 2019 09:29:35 +0100 From: Christophe Roullier To: , , , , , , Subject: [PATCH V3 1/6] net: ethernet: stmmac: manage Ethernet WoL for stm32mp157c. Date: Tue, 5 Mar 2019 09:29:23 +0100 Message-ID: <1551774568-11732-2-git-send-email-christophe.roullier@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1551774568-11732-1-git-send-email-christophe.roullier@st.com> References: <1551774568-11732-1-git-send-email-christophe.roullier@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.166] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-03-05_04:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190305_002950_188803_B67B5147 X-CRM114-Status: GOOD ( 13.72 ) 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, andrew@lunn.ch, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, christophe.roullier@st.com, linux-arm-kernel@lists.infradead.org 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 glue codes to support magic packet on stm32mp157c Signed-off-by: Christophe Roullier --- drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c | 30 ++++++++++++++++++++++- 1 file changed, 29 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c index 7e2e79d..d1cf145 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c @@ -42,6 +42,7 @@ struct stm32_dwmac { struct clk *clk_ethstp; struct clk *syscfg_clk; bool int_phyclk; /* Clock from RCC to drive PHY */ + int irq_pwr_wakeup; u32 mode_reg; /* MAC glue-logic mode register */ struct regmap *regmap; u32 speed; @@ -232,7 +233,9 @@ static int stm32_dwmac_parse_data(struct stm32_dwmac *dwmac, static int stm32mp1_parse_data(struct stm32_dwmac *dwmac, struct device *dev) { + struct platform_device *pdev = to_platform_device(dev); struct device_node *np = dev->of_node; + int err = 0; dwmac->int_phyclk = of_property_read_bool(np, "st,int-phyclk"); @@ -260,7 +263,26 @@ static int stm32mp1_parse_data(struct stm32_dwmac *dwmac, return PTR_ERR(dwmac->syscfg_clk); } - return 0; + /* Get IRQ information early to have an ability to ask for deferred + * probe if needed before we went too far with resource allocation. + */ + dwmac->irq_pwr_wakeup = platform_get_irq_byname(pdev, + "stm32_pwr_wakeup"); + if (!dwmac->int_phyclk && dwmac->irq_pwr_wakeup >= 0) { + err = device_init_wakeup(&pdev->dev, true); + if (err) { + dev_err(&pdev->dev, "Failed to init wake up irq\n"); + return err; + } + err = dev_pm_set_dedicated_wake_irq(&pdev->dev, + dwmac->irq_pwr_wakeup); + if (err) { + dev_err(&pdev->dev, "Failed to set wake up irq\n"); + device_init_wakeup(&pdev->dev, false); + } + device_set_wakeup_enable(&pdev->dev, false); + } + return err; } static int stm32_dwmac_probe(struct platform_device *pdev) @@ -326,9 +348,15 @@ static int stm32_dwmac_remove(struct platform_device *pdev) struct net_device *ndev = platform_get_drvdata(pdev); struct stmmac_priv *priv = netdev_priv(ndev); int ret = stmmac_dvr_remove(&pdev->dev); + struct stm32_dwmac *dwmac = priv->plat->bsp_priv; stm32_dwmac_clk_disable(priv->plat->bsp_priv); + if (dwmac->irq_pwr_wakeup >= 0) { + dev_pm_clear_wake_irq(&pdev->dev); + device_init_wakeup(&pdev->dev, false); + } + return ret; }