Message ID | 20230405080152.6732-1-ilpo.jarvinen@linux.intel.com |
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[2620:137:e000::1:20]) by mx.google.com with ESMTP id hu15-20020a170907a08f00b00949562c1163si1110701ejc.957.2023.04.05.01.15.58; Wed, 05 Apr 2023 01:16:22 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=dcDuqcfl; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237258AbjDEICX (ORCPT <rfc822;lkml4gm@gmail.com> + 99 others); Wed, 5 Apr 2023 04:02:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236881AbjDEICS (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Wed, 5 Apr 2023 04:02:18 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 62BCB30ED; Wed, 5 Apr 2023 01:02:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1680681734; x=1712217734; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=Hjp80/410tmJHmpO6rGQObwfiLzMo70h6PwRGNv+znI=; b=dcDuqcflk8dxNJIB2EeoV4LYYUlEukO25gI5CXxaXwX2hcUoe7CWlOM4 kV8hcKbyUnX9yGFWnqiQi9BGGA7Io0JkLPfitRVC0cjMfosd5yFNjutBE N48wSjSbaeNgvSLLcG6JQoyG1jnZtg6nRo9gBm2kwpOfz6rcEFWIJrXx9 C7hI5gmErVwU38jN52vlEH+UTYLr/8OWxKuDBi806pr55DsHnzJZrNz6A bPFO5/almOaknut/42dvayoxpgtA4Lw0lp2VAix5cbsSZumiKYaiHrfTF 5/CHXUd5+9ShdxMmb3SMBzinQFkR0WGNayx/Arup9ubK33CS998D4fkwS g==; X-IronPort-AV: E=McAfee;i="6600,9927,10670"; a="428680206" X-IronPort-AV: E=Sophos;i="5.98,319,1673942400"; d="scan'208";a="428680206" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Apr 2023 01:02:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10670"; a="775959618" X-IronPort-AV: E=Sophos;i="5.98,319,1673942400"; d="scan'208";a="775959618" Received: from wtedesch-mobl1.ger.corp.intel.com (HELO ijarvine-MOBL2.ger.corp.intel.com) ([10.252.53.134]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Apr 2023 01:01:59 -0700 From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com> To: Wu Hao <hao.wu@intel.com>, Tom Rix <trix@redhat.com>, Moritz Fischer <mdf@kernel.org>, Xu Yilun <yilun.xu@intel.com>, linux-fpga@vger.kernel.org, Lee Jones <lee@kernel.org>, Jean Delvare <jdelvare@suse.com>, Guenter Roeck <linux@roeck-us.net>, linux-hwmon@vger.kernel.org, Russ Weight <russell.h.weight@intel.com> Cc: linux-kernel@vger.kernel.org, =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com> Subject: [PATCH 0/4] Manage register access to control delay during sec update Date: Wed, 5 Apr 2023 11:01:48 +0300 Message-Id: <20230405080152.6732-1-ilpo.jarvinen@linux.intel.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.4 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1762323419728276419?= X-GMAIL-MSGID: =?utf-8?q?1762323419728276419?= |
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Manage register access to control delay during sec update
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Message
Ilpo Järvinen
April 5, 2023, 8:01 a.m. UTC
Manage handshake register access on Max 10 FPGA cards that have a major slowdown on reading handshake registers during secure update prepare and write phases. The problem does not occur with PMCI-based cards. Ilpo Järvinen (4): mfd: intel-m10-bmc: Move core symbols to own namespace mfd: intel-m10-bmc: Create m10bmc_sys_update_bits() mfd: intel-m10-bmc: Move m10bmc_sys_read() away from header mfd: intel-m10-bmc: Manage access to MAX 10 fw handshake registers drivers/fpga/intel-m10-bmc-sec-update.c | 47 ++++++++------ drivers/hwmon/intel-m10-bmc-hwmon.c | 1 + drivers/mfd/intel-m10-bmc-core.c | 84 ++++++++++++++++++++++++- drivers/mfd/intel-m10-bmc-pmci.c | 5 ++ drivers/mfd/intel-m10-bmc-spi.c | 15 +++++ include/linux/mfd/intel-m10-bmc.h | 42 +++++++++---- 6 files changed, 161 insertions(+), 33 deletions(-)