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=-8.6 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_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 4C9ADC433F4 for ; Thu, 20 Sep 2018 19:17:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0AB4D21525 for ; Thu, 20 Sep 2018 19:17:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="e+GMFnnn" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0AB4D21525 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388473AbeIUBCZ (ORCPT ); Thu, 20 Sep 2018 21:02:25 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:35494 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388353AbeIUBCY (ORCPT ); Thu, 20 Sep 2018 21:02:24 -0400 Received: by mail-pg1-f193.google.com with SMTP id 205-v6so3932626pgd.2; Thu, 20 Sep 2018 12:17:26 -0700 (PDT) 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=193CNgmBH8R6+te4PJDyCo0NhXQlORas2WPVssI+RmU=; b=e+GMFnnnXx7ob6/SWZtMw7RxwRCxAMXL6XEEMZUHtvREX7qGGjIZE9OfVk6w10HTEJ hoKaf3z/orXDc/H1BIZjINaH4XbPLtSGDuW+/ztQKKbY48quQrHvv5hjOkz3SCX4hDos 1n9O74TDenmm1M14WiLxsjGROe9/Hsca1+6IMwz21yXhBXKkPsgnKcp6AZ3qrXzkyNEP EtDxBwf6QXVzVvx9maLfO7vySFApKvCFwznFgTKmPWdTnNHmNZhfvN5Z15UJa3E4C3RG QYMO2akAYFZF2lDlIOP2CZoMhkHZquw2FRx153o0+JzJHCXnruNM0XiK7kl4RkU0G+h5 q+Cw== 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=193CNgmBH8R6+te4PJDyCo0NhXQlORas2WPVssI+RmU=; b=CoYcXrUa9eqhRuNSJlXyDcGhEOa2/qvTAwxJPG83bsEzlxpglJ+bKw4ySpaZ4xlyTO 5bOvYAkObB7UPy6FmjxhGv4+i1zMiq7RNwFFKDNGuJzAKGP40ghHqejvKB7P0wBjU8bW LmXz9YWif0HrzcOfv5oNIlwi7eS1TPpWZdn8+PTzQDYNeci05TzPyb4p4aaY6YZwg2lO xfN/2MUUN/eIZKUQ4u8bn8w5uIKwiLP38teXycMePJkTdUcfESEuWE32DXdyiE/sKfsz 5ocXJEMYaL+NM1BFwVyuM49jWx7T9U2rQjCaH3A9BnkI3RFz7oRS0bi9N9cjjzZFSZqk iLVg== X-Gm-Message-State: APzg51AWszT8MtWLVImA9IznYsRluX0UXLSe4DZ4hb/F2XZsTeLmzHMb Rez5cCEtaZ0+gVTczsxPs0dqLdX2 X-Google-Smtp-Source: ANB0VdaRdSexZ6YF6l2RzJv90/n+IJWZySBKIF1t9cKxPU/ykNtRsr/ywZIvJjYUwZc1Tos+t4vRGA== X-Received: by 2002:a63:1316:: with SMTP id i22-v6mr37559006pgl.86.1537471045635; Thu, 20 Sep 2018 12:17:25 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.250]) by smtp.gmail.com with ESMTPSA id n9-v6sm40665601pfg.21.2018.09.20.12.17.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 20 Sep 2018 12:17:24 -0700 (PDT) From: Florian Fainelli To: linux-kernel@vger.kernel.org Cc: Florian Fainelli , Jens Axboe , Rob Herring , Mark Rutland , Kishon Vijay Abraham I , Al Cooper , Ray Jui , Tejun Heo , Fengguang Wu , Arnd Bergmann , 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 5/9] ata: ahci_brcm: Allow optional reset controller to be used Date: Thu, 20 Sep 2018 12:16:40 -0700 Message-Id: <20180920191646.18198-7-f.fainelli@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180920191646.18198-1-f.fainelli@gmail.com> References: <20180920191646.18198-1-f.fainelli@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On BCM63138, we need to reset the AHCI core prior to start utilizing it, grab the reset controller device cookie and do that. Signed-off-by: Florian Fainelli --- drivers/ata/ahci_brcm.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/ata/ahci_brcm.c b/drivers/ata/ahci_brcm.c index f3d557777d82..d535e87151dc 100644 --- a/drivers/ata/ahci_brcm.c +++ b/drivers/ata/ahci_brcm.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include "ahci.h" @@ -94,6 +95,7 @@ struct brcm_ahci_priv { u32 port_mask; u32 quirks; enum brcm_ahci_version version; + struct reset_control *rcdev; }; static inline u32 brcm_sata_readreg(void __iomem *addr) @@ -411,6 +413,10 @@ static int brcm_ahci_probe(struct platform_device *pdev) if (IS_ERR(priv->top_ctrl)) return PTR_ERR(priv->top_ctrl); + priv->rcdev = of_reset_control_get(pdev->dev.of_node, NULL); + if (!IS_ERR(priv->rcdev)) + reset_control_deassert(priv->rcdev); + if ((priv->version == BRCM_SATA_BCM7425) || (priv->version == BRCM_SATA_NSP)) { priv->quirks |= BRCM_AHCI_QUIRK_NO_NCQ; @@ -464,6 +470,9 @@ static int brcm_ahci_remove(struct platform_device *pdev) brcm_sata_phys_disable(priv); + if (!IS_ERR(priv->rcdev)) + reset_control_assert(priv->rcdev); + return 0; } -- 2.17.1