From patchwork Mon Dec 9 16:32:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hanna Hawa X-Patchwork-Id: 1206408 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) 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; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=amazon.com header.i=@amazon.com header.b="FE66yPxs"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47WpdL5kh9z9sPK for ; Tue, 10 Dec 2019 03:32:38 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726265AbfLIQch (ORCPT ); Mon, 9 Dec 2019 11:32:37 -0500 Received: from smtp-fw-4101.amazon.com ([72.21.198.25]:47540 "EHLO smtp-fw-4101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725904AbfLIQch (ORCPT ); Mon, 9 Dec 2019 11:32:37 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1575909157; x=1607445157; h=from:to:cc:subject:date:message-id:mime-version; bh=DSkO43vZ6jMSY4v0dhIXeNPsDIsCAb8O7azHytXOI8M=; b=FE66yPxs8wlAAcEWjP8pEPIgplHbXGHA3uG7ywV8pfU5qpUUVr2ajMPV cW0jkGtPXmP2BWztQRArxnfWbi2ARm4a97TJnhCM6ykcqgU09a0vsnYxm 5Zf1jEKtmRURnBiPM+THYqYLpHr6MvFxINR8VNO5nhzr2/JIjvLmlrb2B E=; IronPort-SDR: 06bsbpUXVKcSe5TxVXlcwhKaIKxAsDSCVtwp/skcHUnFycwF2rpJ66FCnWxxXAGgD7hsfsbJvF pspmjoEcEc5A== X-IronPort-AV: E=Sophos;i="5.69,296,1571702400"; d="scan'208";a="7701640" Received: from iad6-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-1d-9ec21598.us-east-1.amazon.com) ([10.124.125.6]) by smtp-border-fw-out-4101.iad4.amazon.com with ESMTP; 09 Dec 2019 16:32:35 +0000 Received: from EX13MTAUEA001.ant.amazon.com (iad55-ws-svc-p15-lb9-vlan3.iad.amazon.com [10.40.159.166]) by email-inbound-relay-1d-9ec21598.us-east-1.amazon.com (Postfix) with ESMTPS id 61353A245F; Mon, 9 Dec 2019 16:32:33 +0000 (UTC) Received: from EX13D19EUB003.ant.amazon.com (10.43.166.69) by EX13MTAUEA001.ant.amazon.com (10.43.61.82) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Mon, 9 Dec 2019 16:32:32 +0000 Received: from ua9e4f3715fbc5f.ant.amazon.com (10.43.162.171) by EX13D19EUB003.ant.amazon.com (10.43.166.69) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Mon, 9 Dec 2019 16:32:26 +0000 From: Hanna Hawa To: , CC: , , , , , , , , , Subject: [PATCH 0/2] ata: ahci: Add shutdown handler Date: Mon, 9 Dec 2019 16:32:07 +0000 Message-ID: <20191209163209.26284-1-hhhawa@amazon.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.43.162.171] X-ClientProxiedBy: EX13D34UWA002.ant.amazon.com (10.43.160.245) To EX13D19EUB003.ant.amazon.com (10.43.166.69) Sender: linux-ide-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org This series introduced AHCI shutdown handler for AHCI PCIe driver, to disable host controller DMA and interrupts in order to avoid potentially corrupting or otherwise interfering with a new kernel being started with kexec. Part of this patch move the common part between platform and pcie drivers to libahci.c. Hanna Hawa (2): ata: libahci: move ahci platform shutdown function to libahci ata: ahci: Add shutdown handler drivers/ata/ahci.c | 9 +++++++++ drivers/ata/ahci.h | 1 + drivers/ata/libahci.c | 33 +++++++++++++++++++++++++++++++++ drivers/ata/libahci_platform.c | 20 +------------------- 4 files changed, 44 insertions(+), 19 deletions(-) Acked-by: Hans de Goede