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=-5.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_2 autolearn=no 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 A6C7FC636CA for ; Fri, 16 Jul 2021 18:37:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7F535613F1 for ; Fri, 16 Jul 2021 18:37:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232024AbhGPSka (ORCPT ); Fri, 16 Jul 2021 14:40:30 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:46396 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229462AbhGPSk3 (ORCPT ); Fri, 16 Jul 2021 14:40:29 -0400 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 16GIbH6D165233; Fri, 16 Jul 2021 14:37:29 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : subject : from : to : cc : date : in-reply-to : references : content-type : mime-version : content-transfer-encoding; s=pp1; bh=7tyfq1wQ5MtvqKTDdde+7cQd7ahohQH+0eK0ivktzt0=; b=P0ov+RaF4asrEqtHx+LK0kSQyB/lbsxOt58Kdh2hVBjuMbsmRotj/P18JpbNelc5LveS g7p/OqMeb95a7fktLD0ihJWVNe7vf7l9pR18agcq6UK/5p8arD/v8imiIGEWC6wekZqI 0gm9brMh1o6ZM/fOJHVNrWhgyKnCKRyEOllPKnRIa6BbSI3US8HF5+3zicaV+fqk7qZ0 lazCNhL2QHNoLggcY1+Glkn4VAzFOgNrKGi9SIufVRqY0RfbWw4Xa6CoN8/MYeeabTD8 iz8ozczwzpl9iZayfszj9uHB7HvLHRuodxchjKBtez8hbm5UsljfDDgC0/JSvFGiQhuY gw== Received: from ppma04dal.us.ibm.com (7a.29.35a9.ip4.static.sl-reverse.com [169.53.41.122]) by mx0a-001b2d01.pphosted.com with ESMTP id 39udw6jn23-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 16 Jul 2021 14:37:28 -0400 Received: from pps.filterd (ppma04dal.us.ibm.com [127.0.0.1]) by ppma04dal.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 16GIGlcf024783; Fri, 16 Jul 2021 18:34:41 GMT Received: from b01cxnp23032.gho.pok.ibm.com (b01cxnp23032.gho.pok.ibm.com [9.57.198.27]) by ppma04dal.us.ibm.com with ESMTP id 39q36fqbhw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 16 Jul 2021 18:34:41 +0000 Received: from b01ledav005.gho.pok.ibm.com (b01ledav005.gho.pok.ibm.com [9.57.199.110]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 16GIYf4s53543206 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 16 Jul 2021 18:34:41 GMT Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 14440AE05F; Fri, 16 Jul 2021 18:34:41 +0000 (GMT) Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5D514AE063; Fri, 16 Jul 2021 18:34:39 +0000 (GMT) Received: from v0005c16 (unknown [9.211.92.96]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTP; Fri, 16 Jul 2021 18:34:39 +0000 (GMT) Message-ID: <81a40f8690d297ebfb6697dbea63279bcf2f24fa.camel@linux.ibm.com> Subject: Re: [PATCH 1/2] spi: fsi: Reduce max transfer size to 8 bytes From: Eddie James To: Mark Brown Cc: devicetree@vger.kernel.org, openbmc@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, robh+dt@kernel.org Date: Fri, 16 Jul 2021 13:34:38 -0500 In-Reply-To: <20210716171936.GB4137@sirena.org.uk> References: <20210716133915.14697-1-eajames@linux.ibm.com> <20210716133915.14697-2-eajames@linux.ibm.com> <20210716171936.GB4137@sirena.org.uk> Organization: IBM Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5 (3.28.5-16.el8) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 13Nj9UHN-n_4bSFB_bWzSidggUk0HrnQ X-Proofpoint-ORIG-GUID: 13Nj9UHN-n_4bSFB_bWzSidggUk0HrnQ X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.790 definitions=2021-07-16_06:2021-07-16,2021-07-16 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 mlxlogscore=904 spamscore=0 priorityscore=1501 suspectscore=0 clxscore=1015 malwarescore=0 bulkscore=0 phishscore=0 impostorscore=0 lowpriorityscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2107160113 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2021-07-16 at 18:19 +0100, Mark Brown wrote: > On Fri, Jul 16, 2021 at 08:39:14AM -0500, Eddie James wrote: > > Security changes have forced the SPI controllers to be limited to > > 8 byte reads. Refactor the sequencing to just handle 8 bytes at a > > time. Security changes in the SPI controller - in the device microcode. I can reword the commit if you like. Thanks, Eddie > > Which security changes where - somewhere else in Linux?