From patchwork Mon Dec 17 08:47:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shivasharan Srikanteshwara X-Patchwork-Id: 10732933 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B0975746 for ; Mon, 17 Dec 2018 08:47:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A279229D9C for ; Mon, 17 Dec 2018 08:47:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9674529DA3; Mon, 17 Dec 2018 08:47:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 28C6129D9C for ; Mon, 17 Dec 2018 08:47:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731864AbeLQIrv (ORCPT ); Mon, 17 Dec 2018 03:47:51 -0500 Received: from mail-pg1-f196.google.com ([209.85.215.196]:40263 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726793AbeLQIrv (ORCPT ); Mon, 17 Dec 2018 03:47:51 -0500 Received: by mail-pg1-f196.google.com with SMTP id z10so5785988pgp.7 for ; Mon, 17 Dec 2018 00:47:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id; bh=lSnz0YduBirThZOHbrGYlRCA/DEA3L3+Y9SILLvjwk8=; b=PO6w07LoMrZF8CILITQBnBfoIopPEq8LV/ZvcZEuejRrEuIOAjY/lOauVoGFj/PYce 20IwCQd/DZnYfZsgAWi/TMR6UPcsxBHi+UgLlytFnW945Cc4DYl9Ob+YLMaFVmM/c8VZ plaLdp3XUZkhyYsUwpJ8ABKwLHUXUCW2/lB38= 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; bh=lSnz0YduBirThZOHbrGYlRCA/DEA3L3+Y9SILLvjwk8=; b=HF9hKj/oC3MJUPpyYzzIogJUsVVaIfNSh0LVeKfyrGhqXSENIgji2qC692cWkBAts1 1NAbFzGR2MocBuar978/FRICEMNe0KMsehARpI4/ihuJIKZp3LVwq4meSUiSKsDb09MG KRH3e2lcg5CYnJ6hV2AYwcL941oazE8jS58GXMRFV9PPFvesbs3l9ca+a6DwsiD4/x7s lCKtzN7OSa4Yp+2W49R1ZbUVuQS44ebqwNFIyY8exWDaYUY5/M1XftFz2WCJVHc00s54 15vC5tYrjDYksymPJeLBK9GR2Ec8EMFRTUWE6utHhRfjAgcRGCRjJnZOTvQ89NDWxXmU akmQ== X-Gm-Message-State: AA+aEWYIdMt4qpTCbUM0lu9xgWewOu6s/aXgL6G20+taGi9xlIGV7OKm x6wSSYi4G1a0lXkhR9hchoeGI3SwN88= X-Google-Smtp-Source: AFSGD/Vu2PMQIJ6WlNESPgPtibuxUdk1/aRN9E4hQ17dgZ7y7BqUqTjM7K3zXDj0Ju5ofFKDmGRm/w== X-Received: by 2002:a63:2643:: with SMTP id m64mr11237429pgm.35.1545036470194; Mon, 17 Dec 2018 00:47:50 -0800 (PST) Received: from dhcp-135-24-192-142.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id l85sm19837589pfg.161.2018.12.17.00.47.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Dec 2018 00:47:49 -0800 (PST) From: Shivasharan S To: linux-scsi@vger.kernel.org Cc: kashyap.desai@broadcom.com, sumit.saxena@broadcom.com, Shivasharan S Subject: [PATCH 0/4] megaraid_sas: Fix HW errata in Aero controllers Date: Mon, 17 Dec 2018 00:47:36 -0800 Message-Id: <1545036460-28624-1-git-send-email-shivasharan.srikanteshwara@broadcom.com> X-Mailer: git-send-email 2.4.3 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Below patch series adds workaround for Aero controllers due to a HW errata that returns zero intermittently for read operations. Shivasharan S (4): megaraid_sas: Fix Ventura series based checks megaraid_sas: Introduce new Aero adapter type megaraid_sas: change function prototypes in megasas_template megaraid_sas: add retry logic in megasas_readl drivers/scsi/megaraid/megaraid_sas.h | 5 +- drivers/scsi/megaraid/megaraid_sas_base.c | 133 +++++++++++++++++----------- drivers/scsi/megaraid/megaraid_sas_fp.c | 8 +- drivers/scsi/megaraid/megaraid_sas_fusion.c | 96 ++++++++++---------- 4 files changed, 140 insertions(+), 102 deletions(-)