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Date: Tue, 9 Mar 2021 08:31:40 +0100 Message-ID: <20210309073142.13219-1-nadeem@cadence.com> X-Mailer: git-send-email 2.15.0 MIME-Version: 1.0 Content-Type: text/plain X-OrganizationHeadersPreserved: maileu3.global.cadence.com X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 4b500ee6-a411-4a31-1760-08d8e2cd65ed X-MS-TrafficTypeDiagnostic: DS7PR07MB7800: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7219; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: HkKtqD6uZcrWkSxuHQuCra39SYI7vYke8lZq3hFwwDg6SpHk2/wLm5XbWA6kDCflgG2NTlpYSZx4TQcyV81XtPJ7+A4cNm0DW5y1xcp+FlWuLVsMaKjxU1bC5AGfvhIoUrxGnpRkSJ/zmcEFvWAK+HdscwL/AVBOfdo//uu8GY39Smq8nC5xuMiTeXuGzjclrduIM/k7cd/1wLWIMoFDAPNm5U5h3ZL4Jm43NM8D19do5YZu2nsg5xHCo5INqb/vrO49LlpEqEPCSWI0kRsGltZsxCgnFE18dyvWesykURUSmrMQimI0f6psYsfjFXGjAyMc3Fby55JcvzLa7MbV4/p/Ir5zoBzd94HJjNreDb5+KydLGWbI5HedmD3H27nSvB6LYc8U4CgGLA/yPFOIWrDkV5IoHJQlq+lANkBo/o+Z/VmvRdVfQP31++WKYT2vA7NGUlBXFKBTFymwL/dgPVCewoV6leBLXI+g2eH55s6Aebl2CtowYU9UofDeG0jFuHlwtQQW0DRUy9RBIcv48xzTL4XpLueWPQoCnEhMq9GinjLeFgSsPLKsCVsOr1YOv5CXcwW7Qca95jMyZ3qNlW3AqvK9Qq2LK9fo1D1c2lPLiRF9ke7D0BS63LDRX7lrUgCWiYSjkiGaRkN8ceFQ45CPwwQZf8yAXfC7nhzRdqaaLccQm5T8Z1pt1UW6G6jzBBnYkOqE3pYaRg5MCVQQmAz2WIIDKe49jUsXEtpb2HY= X-Forefront-Antispam-Report: CIP:199.43.4.23;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:rmmaillnx1.cadence.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(4636009)(136003)(376002)(396003)(39860400002)(346002)(36092001)(46966006)(36840700001)(47076005)(54906003)(107886003)(478600001)(26005)(110136005)(316002)(86362001)(186003)(4744005)(36906005)(426003)(8676002)(336012)(42186006)(1076003)(5660300002)(4326008)(2616005)(8936002)(70586007)(70206006)(2906002)(82310400003)(83380400001)(81166007)(6666004)(36756003)(356005)(82740400003)(36860700001)(36900700001)(2101003);DIR:OUT;SFP:1101; X-OriginatorOrg: cadence.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Mar 2021 07:31:47.8065 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4b500ee6-a411-4a31-1760-08d8e2cd65ed X-MS-Exchange-CrossTenant-Id: d36035c5-6ce6-4662-a3dc-e762e61ae4c9 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=d36035c5-6ce6-4662-a3dc-e762e61ae4c9;Ip=[199.43.4.23];Helo=[rmmaillnx1.cadence.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM12FT037.eop-nam12.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR07MB7800 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-09_06:2021-03-08,2021-03-09 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_check_notspam policy=outbound_check score=0 suspectscore=0 phishscore=0 clxscore=1011 bulkscore=0 impostorscore=0 priorityscore=1501 spamscore=0 malwarescore=0 lowpriorityscore=0 mlxlogscore=720 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103090036 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch includes a set of two patches. First patch for adding a new property detect-quiet-min-delay in yaml file. Second patch programs the delay value in host pcie driver. The parameter detect-quiet-min-delay can be used to program the minimum time that LTSSM waits on entering Detect.Quiet state. 00 : 0us minimum wait time in Detect.Quiet state. 01 : 100us minimum wait time in Detect.Quiet state. 10 : 1000us minimum wait time in Detect.Quiet state. 11 : 2000us minimum wait time in Detect.Quiet state. Nadeem Athani (2): dt-bindings:pci: Set LTSSM Detect.Quiet state delay. PCI: cadence: Set LTSSM Detect.Quiet state delay. .../bindings/pci/cdns,cdns-pcie-host.yaml | 13 +++++++++++++ drivers/pci/controller/cadence/pcie-cadence-host.c | 22 ++++++++++++++++++++++ drivers/pci/controller/cadence/pcie-cadence.h | 10 ++++++++++ 3 files changed, 45 insertions(+) -- 2.15.0