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Tue, 12 May 2020 07:34:31 +0000 From: Joakim Zhang To: john.garry@huawei.com, will@kernel.org, mark.rutland@arm.com, robh+dt@kernel.org, shawnguo@kernel.org Cc: linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V1 RESEND 0/3] perf/imx_ddr: Add system PMU support Date: Tue, 12 May 2020 15:31:12 +0800 Message-Id: <20200512073115.14177-1-qiangqing.zhang@nxp.com> X-Mailer: git-send-email 2.17.1 X-ClientProxiedBy: SG2PR0401CA0006.apcprd04.prod.outlook.com (2603:1096:3:1::16) To DB8PR04MB6795.eurprd04.prod.outlook.com (2603:10a6:10:fa::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.71) by SG2PR0401CA0006.apcprd04.prod.outlook.com (2603:1096:3:1::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.27 via Frontend Transport; Tue, 12 May 2020 07:34:24 +0000 X-Mailer: git-send-email 2.17.1 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 59d91777-be81-411c-9a69-08d7f646e66f X-MS-TrafficTypeDiagnostic: DB8PR04MB5882:|DB8PR04MB5882: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4941; 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X-MS-Exchange-AntiSpam-MessageData: J2fPxGs/sGCzx+GlU65MIvgSmQ1zGNh1z2MHnvEr4Gh613l6ZWPacQVZ55//nlUwdXLaUQEwMg2N1ijdUmoF4B8pGSKTO8FcW/1tQ69eMVdm+5X0NoCf6o0+hwIZOv3sXc94YByVxTHtqk9ecvYlPxK+PrT4niqdWSq9JjaONVBSUb50E4djNBdef2tuj4I7/Z3UsXNpf8lbPlIy+JC2ii/cRUDG5QGXtD7MTq/oWZAxfhLyGazH2PCJTQ7qLR0Nog6qg32HI2L3VoQXulDKCIvSU1VBYw1BwwLFUi3tPLTeS0HjiHqX2+4rGQ3avtAKi+m/Bu66cITj7TijMMTdcaQigg9kBbhwJzd3DeiNdiznkp3OQeWCWfrbv1gGHRhBe/gocIwU8ROv5IwGA/uVRxdDQQ3FD/aSvYP6oJqAYPWMP5CDdNJHizRMXb5BlKhN2fp4Q6L9zK9/YXuIeYHryJmGkBNiG0c7qjtAltn2FqQ= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 59d91777-be81-411c-9a69-08d7f646e66f X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 May 2020 07:34:30.9798 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Lm3JJQzr6ePDeemw1RaJWsD7rHfrITnAeYP4XLXKigZhDlFCIR6F3EkRCJMqWVV5aaA+yZPebpiftZiRrV25YA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR04MB5882 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The patch set adds system PMU support for i.MX8 DDR Perf. The sysfs location for userspace to get the PMU identifier under the directory: /sys/bus/event_source/devices//identifier Joakim Zhang (3): perf/imx_ddr: Add system PMU identifier for userspace bindings/perf/imx-ddr: update compatible string arch: arm64: imx8mq/m/n: remove unused compatible string .../devicetree/bindings/perf/fsl-imx-ddr.txt | 4 +- arch/arm64/boot/dts/freescale/imx8mm.dtsi | 2 +- arch/arm64/boot/dts/freescale/imx8mn.dtsi | 2 +- arch/arm64/boot/dts/freescale/imx8mq.dtsi | 2 +- drivers/perf/fsl_imx8_ddr_perf.c | 45 +++++++++++++++++-- 5 files changed, 48 insertions(+), 7 deletions(-)