From patchwork Tue Jan 9 23:04:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 857826 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-ide-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="QloJHf8q"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zGSSF2xj7z9s82 for ; Wed, 10 Jan 2018 10:06:21 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758677AbeAIXFd (ORCPT ); Tue, 9 Jan 2018 18:05:33 -0500 Received: from mail-qk0-f193.google.com ([209.85.220.193]:36272 "EHLO mail-qk0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758621AbeAIXFb (ORCPT ); Tue, 9 Jan 2018 18:05:31 -0500 Received: by mail-qk0-f193.google.com with SMTP id d21so9707963qkj.3; Tue, 09 Jan 2018 15:05:31 -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=IVEcklQdC95hdgj7+nw0LdEkUCxr/gkHcnWfhyJvzQc=; b=QloJHf8qDIilrp0fwFBztBS1OS4YU1qYIjFVmCmqmXu/Yw7BkElD59TIlrf1dHmB8o rtoKLUxHXWmHKFojGIHVqC0hgpxW2fbbjWVaKKHphFMbQvNjXYdFJBI52aEBivJ93WgM 01HXQFSvCS7TMMnF6ER4Hgcrc8ng/W8HxLnpoQ/PT35NWmEVqleousFrPp5TJHmrMtRQ nWWBXwk3l2p4VVIWLdbBEJ9v9fyAfxYjup5kzd4gFz3eAqo0XbsYBvyvVxMXicJHxYM/ GfBKSHrMrH7zfw1A9RxQtPAeA1yX5zGtcoF/RKcCGBdgAdjfLeJW1YA+MXbmbq26j1XD dHDw== 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=IVEcklQdC95hdgj7+nw0LdEkUCxr/gkHcnWfhyJvzQc=; b=M01ptZLG8W0Zk2o3W93ZAs7qfDeCaAifmW442ejxYrW9x5ZZdwG8tIMgWOgzXgEccZ F0oEScz3jy9o6jILAyh4QiqWSD1nLIAH6EpYsq+7+i2Ci3cyrGI1jy4FzyXFTWeKs44e tci2Wx1OhpinrYLV+AkzSxltqCGrKPRCAEfrlnKC1EUzNUxEy76lkNCN7bx6JgiOBAJC sd7AIVJKzCcZQL5X34Sf5ETKDHEe1CuFcGhpGnauqeMkrM6GMW65PgtyHP4xMJAN2qR4 M+gV4aOz6/9oJ7MAgKqg9b3CiF5TQVWq+TFaIzr7UaqdZjRhZzp41MPcOQvM4xgnTO0p IdOA== X-Gm-Message-State: AKwxytegY8RFSz9U3GJpA6nroKDUst4A869l0ccAI0sk6FSQkGrUbtfS EcB478L9YfoyR/0/+bess/4= X-Google-Smtp-Source: ACJfBovxru8DNwD1oX40tFEcm/WNMP51Elyo6bvkgH+8egqwRvXZMuN+pN4ztMnpfaYucu+B7t15IQ== X-Received: by 10.55.93.195 with SMTP id r186mr22467766qkb.251.1515539130690; Tue, 09 Jan 2018 15:05:30 -0800 (PST) Received: from stbirv-lnx-3.igp.broadcom.net ([192.19.223.250]) by smtp.gmail.com with ESMTPSA id p187sm2987468qkf.41.2018.01.09.15.05.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 09 Jan 2018 15:05:29 -0800 (PST) From: Florian Fainelli To: bcm-kernel-feedback-list@broadcom.com Cc: Florian Fainelli , Tejun Heo , Kishon Vijay Abraham I , Heiko Stuebner , Srinath Mannam , Krzysztof Kozlowski , Vivek Gautam , Dan Carpenter , linux-ide@vger.kernel.org (open list:LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 1/3] ata: Allow having a port recovery callback Date: Tue, 9 Jan 2018 15:04:55 -0800 Message-Id: <1515539097-26742-2-git-send-email-f.fainelli@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1515539097-26742-1-git-send-email-f.fainelli@gmail.com> References: <1515539097-26742-1-git-send-email-f.fainelli@gmail.com> Sender: linux-ide-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org Some AHCI controllers may need to recovery from a failure to identify a drive, such as the Broadcom AHCI controller, make that possible at both the libata-core.c and AHCI controller level such that we can provide such an error recovery callback. Signed-off-by: Florian Fainelli --- drivers/ata/libata-core.c | 2 ++ include/linux/libata.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 3c09122bf038..921c2813af07 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2045,6 +2045,8 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, if (ata_msg_warn(ap)) ata_dev_warn(dev, "failed to IDENTIFY (%s, err_mask=0x%x)\n", reason, err_mask); + if (ap->host->ops->port_recovery) + ap->host->ops->port_recovery(ap); return rc; } diff --git a/include/linux/libata.h b/include/linux/libata.h index ed9826b21c5e..23646a557ab2 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -956,6 +956,7 @@ struct ata_port_operations { int (*port_resume)(struct ata_port *ap); int (*port_start)(struct ata_port *ap); void (*port_stop)(struct ata_port *ap); + void (*port_recovery)(struct ata_port *ap); void (*host_stop)(struct ata_host *host); #ifdef CONFIG_ATA_SFF