From patchwork Fri Jan 17 23:53:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 205575 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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, 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 CFDEFC3F68F for ; Fri, 17 Jan 2020 23:53:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A628220717 for ; Fri, 17 Jan 2020 23:53:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rRd0o/BC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730390AbgAQXxc (ORCPT ); Fri, 17 Jan 2020 18:53:32 -0500 Received: from mail-pj1-f68.google.com ([209.85.216.68]:55587 "EHLO mail-pj1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730377AbgAQXxb (ORCPT ); Fri, 17 Jan 2020 18:53:31 -0500 Received: by mail-pj1-f68.google.com with SMTP id d5so3826796pjz.5; Fri, 17 Jan 2020 15:53:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=/0nxZ+DabtCHsVgmk3LUrqsYgSBh4hJ9Ryv1NTOJmYU=; b=rRd0o/BCHQXz++QFDkcKnQnZ99Er9EkHH9xl3DalpLKcpw3gH99rwXsfqFLCUFzefx NwL4onoseGR2Avs/B2RRbjlXXuS8V0HxcMxXNtouVP+8uk3Jq0AqXDgSMFBu/C4cUtvF UZ4cqCII1LRYcITNjqK/sTwucejM6t2FCmCkKtoPmz8piaPnceGroUSVOyDj3Bows3oS 0yzXNMqlL4rsALZqhQY25lMuc1mHSFw1wAiioMi8kbHWtJUtuzgY6q8bUXzWuEqQ0UI/ bqJqJGbdnMhD5LiP26tWB/cXd+MXF91Hlus+peLTDBcV5rcwxjICPH0iZm8QzAmq+6k6 lpQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=/0nxZ+DabtCHsVgmk3LUrqsYgSBh4hJ9Ryv1NTOJmYU=; b=nstXOcHJqTVHXs/3kHZTBbOQVFbA7LFYbn3U2zq6tn2llVRqzSy9TEZyDF+fLALCGq zIMS1aY8u0cHNZx0YVo9IHewE+2XOde1iAAepZzSdmSqFJqaEHkVgAslAZ2oJR5VE236 qyo404U9W1rkCyl+abZJ9rcn2u1aSDtN20YmpGCURV1IRC0ChaX9Qwi0S7N67DVP3Zbl Sma0j9LAwgD8fHpFx6CiPSZPITc5Eu7FWV9v0pKzA5stGaCBJz3zNnJW/iRoc0l8eI01 BIwrXM8LpOzqWLsfmOKE0BTgW26aZ5bbumeIQ/8hFSwczm0pSoZRZga7H/FO/Wzh3mht fMNQ== X-Gm-Message-State: APjAAAUz9luKuIkJPr6+LRQnhS618HEcqSnLSkmoQSE2iaDUuVc0XUk0 rSzzlAbh3L+H93BMeeWiiCpo3AyY X-Google-Smtp-Source: APXvYqwnHxGCYtBisZwz6gOdfIvFvYSOCLLNq6R5YSAmXTucWB93BNfVbjD+AcezIXgROGR8p7sXeg== X-Received: by 2002:a17:902:8d8a:: with SMTP id v10mr1935640plo.90.1579305210361; Fri, 17 Jan 2020 15:53:30 -0800 (PST) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id m19sm7544146pjv.10.2020.01.17.15.53.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Jan 2020 15:53:29 -0800 (PST) From: Florian Fainelli To: linux-kernel@vger.kernel.org Cc: Florian Fainelli , Jens Axboe , Rob Herring , Mark Rutland , Hans de Goede , Philipp Zabel , Tejun Heo , Jaedon Shin , linux-ide@vger.kernel.org (open list:LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), bcm-kernel-feedback-list@broadcom.com Subject: [PATCH v4 2/2] ata: ahci_brcm: BCM7216 reset is self de-asserting Date: Fri, 17 Jan 2020 15:53:13 -0800 Message-Id: <20200117235313.14202-3-f.fainelli@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200117235313.14202-1-f.fainelli@gmail.com> References: <20200117235313.14202-1-f.fainelli@gmail.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The BCM7216 reset controller line is self-deasserting, unlike other platforms, so make use of reset_control_reset() instead of reset_control_deassert(). Signed-off-by: Florian Fainelli --- drivers/ata/ahci_brcm.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/ata/ahci_brcm.c b/drivers/ata/ahci_brcm.c index e32c8fe729ff..6853dbb4131d 100644 --- a/drivers/ata/ahci_brcm.c +++ b/drivers/ata/ahci_brcm.c @@ -352,7 +352,8 @@ static int brcm_ahci_suspend(struct device *dev) else ret = 0; - reset_control_assert(priv->rcdev); + if (priv->version != BRCM_SATA_BCM7216) + reset_control_assert(priv->rcdev); return ret; } @@ -364,7 +365,10 @@ static int __maybe_unused brcm_ahci_resume(struct device *dev) struct brcm_ahci_priv *priv = hpriv->plat_data; int ret = 0; - ret = reset_control_deassert(priv->rcdev); + if (priv->version == BRCM_SATA_BCM7216) + ret = reset_control_reset(priv->rcdev); + else + ret = reset_control_deassert(priv->rcdev); if (ret) return ret; @@ -475,7 +479,10 @@ static int brcm_ahci_probe(struct platform_device *pdev) break; } - ret = reset_control_deassert(priv->rcdev); + if (priv->version == BRCM_SATA_BCM7216) + ret = reset_control_reset(priv->rcdev); + else + ret = reset_control_deassert(priv->rcdev); if (ret) return ret; @@ -520,7 +527,8 @@ static int brcm_ahci_probe(struct platform_device *pdev) out_disable_clks: ahci_platform_disable_clks(hpriv); out_reset: - reset_control_assert(priv->rcdev); + if (priv->version != BRCM_SATA_BCM7216) + reset_control_assert(priv->rcdev); return ret; }