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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 99473CA9EB6 for ; Wed, 23 Oct 2019 08:49:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7014821872 for ; Wed, 23 Oct 2019 08:49:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="veHln+b8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390539AbfJWIt0 (ORCPT ); Wed, 23 Oct 2019 04:49:26 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:47746 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390331AbfJWIt0 (ORCPT ); Wed, 23 Oct 2019 04:49:26 -0400 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id x9N8nOFc093697; Wed, 23 Oct 2019 03:49:24 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1571820564; bh=Vg5p/9UukhFhBnfEC9XZnlFxpQ+4sUdE5PCioPm1To8=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=veHln+b8aWMlD1JjoyyZnRwTAYw7/7ZJ9V88dcI17pE6QJKZtu1Wbb0PBEUxsPN99 gBF5MWZxsfG+WpVGDh32G0/5gM8Hvyw3vTb52trhdKdd/qDouCVpkiVhTnxkZmLUcw IX/yA0VS9sptF8RqohqOckiBIAUnQMGnEnxjcrkE= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x9N8nNQE127748 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 23 Oct 2019 03:49:24 -0500 Received: from DLEE115.ent.ti.com (157.170.170.26) 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 15.1.1713.5; Wed, 23 Oct 2019 03:49:12 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) 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 15.1.1713.5 via Frontend Transport; Wed, 23 Oct 2019 03:49:21 -0500 Received: from lta0400828a.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id x9N8nHVu061069; Wed, 23 Oct 2019 03:49:19 -0500 From: Roger Quadros To: CC: , , , , , , Roger Quadros Subject: [PATCH v2 1/3] phy: cadence: Sierra: add phy_reset hook Date: Wed, 23 Oct 2019 11:49:14 +0300 Message-ID: <20191023084916.26895-2-rogerq@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191023084916.26895-1-rogerq@ti.com> References: <20191023084916.26895-1-rogerq@ti.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some platforms e.g. J721e need lane swap register to be programmed before reset is deasserted. This patch ensures that we propagate the phy_reset back to the reset controller driver. Signed-off-by: Roger Quadros Signed-off-by: Sekhar Nori --- drivers/phy/cadence/phy-cadence-sierra.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c index affede8c4368..e6d27bdec22a 100644 --- a/drivers/phy/cadence/phy-cadence-sierra.c +++ b/drivers/phy/cadence/phy-cadence-sierra.c @@ -339,10 +339,20 @@ static int cdns_sierra_phy_off(struct phy *gphy) return reset_control_assert(ins->lnk_rst); } +static int cdns_sierra_phy_reset(struct phy *gphy) +{ + struct cdns_sierra_phy *sp = dev_get_drvdata(gphy->dev.parent); + + reset_control_assert(sp->phy_rst); + reset_control_deassert(sp->phy_rst); + return 0; +}; + static const struct phy_ops ops = { .init = cdns_sierra_phy_init, .power_on = cdns_sierra_phy_on, .power_off = cdns_sierra_phy_off, + .reset = cdns_sierra_phy_reset, .owner = THIS_MODULE, }; -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki