From patchwork Thu Dec 24 11:16:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kishon Vijay Abraham I X-Patchwork-Id: 351890 Delivered-To: patch@linaro.org Received: by 2002:a02:85a7:0:0:0:0:0 with SMTP id d36csp6933192jai; Thu, 24 Dec 2020 03:19:02 -0800 (PST) X-Google-Smtp-Source: ABdhPJwmBbXMLoaI96iJWatEG8MB1yIu/+4JjC9aymnLE4nSudiu9e5NkLmQJL2hP/SuTza7eWPX X-Received: by 2002:a05:6402:b9a:: with SMTP id cf26mr27860558edb.372.1608808742506; Thu, 24 Dec 2020 03:19:02 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1608808742; cv=none; d=google.com; s=arc-20160816; b=HTG+oFPxe//LcKZa4GvY4wyMNjlgwA9kkeRLz6TwkSMUusFAR/jxM4fQu8+UHvZDMb eoRucBfrWvKBxuOQshX243mXVBdU5LzeobVr8zrcgsQYtxVST7k+KcAZru0kyP/H0/6B Q6uxNgWw1W4UC/MOB4FtLofQF6ZjU0/AjD9euLuQEuDYrOb94POWPUZy9jh39LlHTIRt Ai9vkWtFflyZN5EtDJFyajfkHp5wIXqdAY0G1wh6tjOuB7lKiHDrWF1fvLIwlhGaj5QB n+Bt7njMm5pUpYJJKjhSEZ+AGMqyY8CTyq0alSLP9nMrqSe6tGjIoTg5RENk2/kRMD00 iBlg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=HHTvmMjtTJRPNFpN3zkcx0PIiGXY1RMP1eK0a1ouBO4=; b=aK9+BTLSeezP1BlIfG3/5piGfyvV3IZ0XNhHRptdePQ0HKSbn9osLOZnWI3WXmiM6R TI1qE8paVi/ynlQDjUbZOtSwWeEPsweEqkS8tqow3i7ZfI+5c63rc9WXhzR/A3nkA9VC EnLj/DempCB5j0IYg/vghr2tZvJn4L1g/3peG/cRAIHqikIDG8UA8p25bC3c+DGM2GMI L9n1PIjlq/qrHvVP1BigecCPc4pTXeqAlsC3VjrXHCTZ2O3HMQ7Pf+sBthFslYV6NUVq ZUDFVzpg9f/wvIx6f2Vdpriuif9TzOrHE7MdsAiv1himWmrPWtH9KPVFLOD7Y2Q0DFnU R/VQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=IuObjeay; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id c4si11409789ejk.182.2020.12.24.03.19.02; Thu, 24 Dec 2020 03:19:02 -0800 (PST) Received-SPF: pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=IuObjeay; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727861AbgLXLSd (ORCPT + 7 others); Thu, 24 Dec 2020 06:18:33 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:37706 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728702AbgLXLS1 (ORCPT ); Thu, 24 Dec 2020 06:18:27 -0500 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 0BOBGinB041728; Thu, 24 Dec 2020 05:16:44 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1608808604; bh=HHTvmMjtTJRPNFpN3zkcx0PIiGXY1RMP1eK0a1ouBO4=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=IuObjeaylDSr3Zi0pZgHVlrtWCWQn7wHfQo257nV/82cWfSU3oE7sZfCu83NlwwXq sd4gr+MdZV2Wi50fmuNNwkcTY/n2GCFHbwOLG27XIjswlaLfXHoUdyj4sbpejwmW8c UFyQvSuWcakZrcky6mVixOuDRHFEwtEUUwTYhXxs= Received: from DLEE103.ent.ti.com (dlee103.ent.ti.com [157.170.170.33]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 0BOBGiP4059650 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 24 Dec 2020 05:16:44 -0600 Received: from DLEE115.ent.ti.com (157.170.170.26) by DLEE103.ent.ti.com (157.170.170.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 24 Dec 2020 05:16:43 -0600 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE115.ent.ti.com (157.170.170.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 24 Dec 2020 05:16:43 -0600 Received: from a0393678-ssd.dal.design.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0BOBGWG7116630; Thu, 24 Dec 2020 05:16:38 -0600 From: Kishon Vijay Abraham I To: Kishon Vijay Abraham I , Vinod Koul , Rob Herring , Nishanth Menon , Philipp Zabel CC: , , , Subject: [PATCH v3 01/15] phy: cadence: Sierra: Fix PHY power_on sequence Date: Thu, 24 Dec 2020 16:46:13 +0530 Message-ID: <20201224111627.32590-2-kishon@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201224111627.32590-1-kishon@ti.com> References: <20201224111627.32590-1-kishon@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Commit 44d30d622821d ("phy: cadence: Add driver for Sierra PHY") de-asserts PHY_RESET even before the configurations are loaded in phy_init(). However PHY_RESET should be de-asserted only after all the configurations has been initialized, instead of de-asserting in probe. Fix it here. Fixes: 44d30d622821d ("phy: cadence: Add driver for Sierra PHY") Signed-off-by: Kishon Vijay Abraham I Cc: # v5.4+ --- drivers/phy/cadence/phy-cadence-sierra.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) -- 2.17.1 diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c index 26a0badabe38..19f32ae877b9 100644 --- a/drivers/phy/cadence/phy-cadence-sierra.c +++ b/drivers/phy/cadence/phy-cadence-sierra.c @@ -319,6 +319,12 @@ static int cdns_sierra_phy_on(struct phy *gphy) u32 val; int ret; + ret = reset_control_deassert(sp->phy_rst); + if (ret) { + dev_err(dev, "Failed to take the PHY out of reset\n"); + return ret; + } + /* Take the PHY lane group out of reset */ ret = reset_control_deassert(ins->lnk_rst); if (ret) { @@ -616,7 +622,6 @@ static int cdns_sierra_phy_probe(struct platform_device *pdev) pm_runtime_enable(dev); phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); - reset_control_deassert(sp->phy_rst); return PTR_ERR_OR_ZERO(phy_provider); put_child: