From patchwork Wed Mar 10 15:45:47 2021 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: 397325 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 BD9AAC4361A for ; Wed, 10 Mar 2021 15:47:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9788564FB9 for ; Wed, 10 Mar 2021 15:47:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233204AbhCJPql (ORCPT ); Wed, 10 Mar 2021 10:46:41 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:47664 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233205AbhCJPqR (ORCPT ); Wed, 10 Mar 2021 10:46:17 -0500 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 12AFkCt1067667; Wed, 10 Mar 2021 09:46:12 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1615391172; bh=2gdcGvIiei2/gTTob5OagdVE47Jl6d4UbQfoaMc8G3o=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=hDaYAA+8ww9K8mcW6QMAVJIkcpN+ntIKmBN21FmEC4vKyyHvCH+zCbTBtyytAPHp8 EXx6HBe+ioTE92ikx/Y09kOOn1OXx0C1c8Jo7ZSnYz/tzxCGOKSS8bL+9/cBFJA/wJ 2GP91oXYflfWDgW5NwO+0tTz/HnkOPfby2RPRqcA= Received: from DLEE102.ent.ti.com (dlee102.ent.ti.com [157.170.170.32]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 12AFkCpb046054 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 10 Mar 2021 09:46:12 -0600 Received: from DLEE108.ent.ti.com (157.170.170.38) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Wed, 10 Mar 2021 09:46:12 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2 via Frontend Transport; Wed, 10 Mar 2021 09:46:12 -0600 Received: from a0393678-ssd.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 12AFk2KQ066370; Wed, 10 Mar 2021 09:46:09 -0600 From: Kishon Vijay Abraham I To: Kishon Vijay Abraham I , Vinod Koul , Rob Herring , Philipp Zabel , Swapnil Jakhade CC: , , Lokesh Vutla , Subject: [PATCH v6 02/13] phy: ti: j721e-wiz: Invoke wiz_init() before of_platform_device_create() Date: Wed, 10 Mar 2021 21:15:47 +0530 Message-ID: <20210310154558.32078-3-kishon@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210310154558.32078-1-kishon@ti.com> References: <20210310154558.32078-1-kishon@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Invoke wiz_init() before configuring anything else in Sierra/Torrent (invoked as part of of_platform_device_create()). wiz_init() resets the SERDES device and any configuration done in the probe() of Sierra/Torrent will be lost. In order to prevent SERDES configuration from getting reset, invoke wiz_init() immediately before invoking of_platform_device_create(). Fixes: 091876cc355d ("phy: ti: j721e-wiz: Add support for WIZ module present in TI J721E SoC") Signed-off-by: Kishon Vijay Abraham I Cc: # v5.10 Reviewed-by: Swapnil Jakhade --- drivers/phy/ti/phy-j721e-wiz.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/phy/ti/phy-j721e-wiz.c b/drivers/phy/ti/phy-j721e-wiz.c index 995c7dbec77b..1bb73822f44a 100644 --- a/drivers/phy/ti/phy-j721e-wiz.c +++ b/drivers/phy/ti/phy-j721e-wiz.c @@ -1262,27 +1262,24 @@ static int wiz_probe(struct platform_device *pdev) goto err_get_sync; } + ret = wiz_init(wiz); + if (ret) { + dev_err(dev, "WIZ initialization failed\n"); + goto err_wiz_init; + } + serdes_pdev = of_platform_device_create(child_node, NULL, dev); if (!serdes_pdev) { dev_WARN(dev, "Unable to create SERDES platform device\n"); ret = -ENOMEM; - goto err_pdev_create; - } - wiz->serdes_pdev = serdes_pdev; - - ret = wiz_init(wiz); - if (ret) { - dev_err(dev, "WIZ initialization failed\n"); goto err_wiz_init; } + wiz->serdes_pdev = serdes_pdev; of_node_put(child_node); return 0; err_wiz_init: - of_platform_device_destroy(&serdes_pdev->dev, NULL); - -err_pdev_create: wiz_clock_cleanup(wiz, node); err_get_sync: