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Thu, 20 Aug 2020 21:07:42 +0000 (GMT) Received: from [9.163.70.74] (unknown [9.163.70.74]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 20 Aug 2020 21:07:41 +0000 (GMT) Subject: Re: [PATCH 4/7] dt-bindings: fsi: fsi2spi: Document new restricted property To: Mark Brown Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, joel@jms.id.au, bradleyb@fuzziesquirrel.com, robh+dt@kernel.org, arnd@arndb.de References: <20200820170228.42053-1-eajames@linux.ibm.com> <20200820170228.42053-5-eajames@linux.ibm.com> <20200820171430.GH5854@sirena.org.uk> From: Eddie James Message-ID: Date: Thu, 20 Aug 2020 16:07:41 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <20200820171430.GH5854@sirena.org.uk> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-08-20_07:2020-08-19,2020-08-20 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 adultscore=0 impostorscore=0 phishscore=0 bulkscore=0 malwarescore=0 mlxscore=0 suspectscore=0 mlxlogscore=786 clxscore=1015 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2008200170 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/20/20 12:14 PM, Mark Brown wrote: > On Thu, Aug 20, 2020 at 12:02:25PM -0500, Eddie James wrote: >> Add documentation for the "fsi2spi,restricted" property which indicates >> a controller shouldn't sequence loops and therefore has a smaller >> transfer size. > In what situation might someone set this? It sounds like a > configuration option rather than a description of the hardware. It is a description of the configuration of the hardware. For controllers that are configured to be restricted for security purposes, this property will be set. Thanks, Eddie