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=-18.8 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=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 89E2FC433DB for ; Thu, 4 Mar 2021 04:43:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4F67364E28 for ; Thu, 4 Mar 2021 04:43:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233580AbhCDEm5 (ORCPT ); Wed, 3 Mar 2021 23:42:57 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:47100 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233557AbhCDEm3 (ORCPT ); Wed, 3 Mar 2021 23:42:29 -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 1244fYKo052726; Wed, 3 Mar 2021 22:41:34 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1614832894; bh=HHTvmMjtTJRPNFpN3zkcx0PIiGXY1RMP1eK0a1ouBO4=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Q+sF68pnb33I4wcR61zZ5mYu/WLg39P07W8zX0Yr1c6t9R9yPkJ3grgvX5MmuCZ3r JOsLBFUk2iBjCO33hkqPatG1XYBNdHpLkbiBJkV36z0kl4pchSrqY9h3Q9JIQKZ2vo nyjgnz3mpktfy7O8sTP/p/5J3z0gSBmOunWVyYVY= 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 1244fY9e087940 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 3 Mar 2021 22:41:34 -0600 Received: from DLEE113.ent.ti.com (157.170.170.24) 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; Wed, 3 Mar 2021 22:41:34 -0600 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE113.ent.ti.com (157.170.170.24) 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; Wed, 3 Mar 2021 22:41:34 -0600 Received: from a0393678-ssd.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 1244fQfi042911; Wed, 3 Mar 2021 22:41:31 -0600 From: Kishon Vijay Abraham I To: Kishon Vijay Abraham I , Vinod Koul , Rob Herring , Philipp Zabel , Swapnil Jakhade CC: , , Lokesh Vutla , Subject: [PATCH v4 01/13] phy: cadence: Sierra: Fix PHY power_on sequence Date: Thu, 4 Mar 2021 10:11:10 +0530 Message-ID: <20210304044122.15166-2-kishon@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210304044122.15166-1-kishon@ti.com> References: <20210304044122.15166-1-kishon@ti.com> MIME-Version: 1.0 Content-Type: text/plain 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(-) 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: -- 2.17.1