From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3xNslz732MzDqG5 for ; Fri, 4 Aug 2017 13:26:39 +1000 (AEST) Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v743O53C134737 for ; Thu, 3 Aug 2017 23:26:37 -0400 Received: from e19.ny.us.ibm.com (e19.ny.us.ibm.com [129.33.205.209]) by mx0a-001b2d01.pphosted.com with ESMTP id 2c4ergwjps-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 03 Aug 2017 23:26:37 -0400 Received: from localhost by e19.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 3 Aug 2017 23:26:36 -0400 Received: from b01cxnp23034.gho.pok.ibm.com (9.57.198.29) by e19.ny.us.ibm.com (146.89.104.206) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Thu, 3 Aug 2017 23:26:35 -0400 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp23034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v743QYm827001018; Fri, 4 Aug 2017 03:26:34 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BE07FAC03A; Thu, 3 Aug 2017 23:26:49 -0400 (EDT) Received: from Christophers-MacBook-Pro.local.com (unknown [9.83.5.232]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP id 201C0AC03F; Thu, 3 Aug 2017 23:26:46 -0400 (EDT) From: Christopher Bostic To: joel@jms.id.au, jk@ozlabs.org Cc: Christopher Bostic , openbmc@lists.ozlabs.org Subject: [PATCH linux dev-4.10 v2 1/3] dt-bindings: fsi: Add optional property no-scan-on-init Date: Thu, 3 Aug 2017 22:26:20 -0500 X-Mailer: git-send-email 2.10.1 (Apple Git-78) In-Reply-To: <20170804032622.88674-1-cbostic@linux.vnet.ibm.com> References: <20170804032622.88674-1-cbostic@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17080403-0056-0000-0000-000003B185F4 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00007480; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000216; SDB=6.00897252; UDB=6.00448933; IPR=6.00677436; BA=6.00005509; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00016525; XFM=3.00000015; UTC=2017-08-04 03:26:36 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17080403-0057-0000-0000-000007E7B0C7 Message-Id: <20170804032622.88674-2-cbostic@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-08-04_01:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1706020000 definitions=main-1708040050 X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Aug 2017 03:26:40 -0000 Add an optional FSI master property 'no-scan-on-init. This can be specified to indicate that a master should not be automatically scanned at init time. This is required in cases where a scan could interfere with another FSI master on the same bus. Signed-off-by: Christopher Bostic --- Documentation/devicetree/bindings/fsi/fsi.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/fsi/fsi.txt b/Documentation/devicetree/bindings/fsi/fsi.txt index 4eaf488..ab516c6 100644 --- a/Documentation/devicetree/bindings/fsi/fsi.txt +++ b/Documentation/devicetree/bindings/fsi/fsi.txt @@ -56,6 +56,13 @@ addresses (link index and slave ID), and no size: #address-cells = <2>; #size-cells = <0>; +An optional boolean property can be added to indicate that a particular master +should not scan for connected devices at initialization time. This is +necessary in cases where a scan could cause arbitration issues with other +masters that may be present on the bus. + + no-scan-on-init; + FSI slaves ---------- -- 1.8.2.2