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Thu, 16 Jan 2020 05:27:33 -0800 Received: from xsj-pvapsmtp01 (xsj-smtp1.xilinx.com [149.199.38.66]) by xsj-smtp-dlp2.xlnx.xilinx.com (8.13.8/8.13.1) with ESMTP id 00GDRNQ1016410; Thu, 16 Jan 2020 05:27:23 -0800 Received: from [10.140.6.6] (helo=xhdappanad40.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1is5BD-00018J-4w; Thu, 16 Jan 2020 05:27:23 -0800 From: Srinivas Neeli To: linux@roeck-us.net, michal.simek@xilinx.com, shubhrajyoti.datta@xilinx.com, sgoud@xilinx.com Cc: wim@linux-watchdog.org, linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, git@xilinx.com Subject: [PATCH 8/9] watchdog: of_xilinx_wdt: Wire setting up timeout via module parameter/DT Date: Thu, 16 Jan 2020 18:56:56 +0530 Message-Id: <1579181217-31127-9-git-send-email-srinivas.neeli@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1579181217-31127-1-git-send-email-srinivas.neeli@xilinx.com> References: <1579181217-31127-1-git-send-email-srinivas.neeli@xilinx.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.83;IPV:;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(4636009)(136003)(39860400002)(396003)(376002)(346002)(189003)(199004)(26005)(5660300002)(186003)(426003)(336012)(2616005)(8936002)(70586007)(7696005)(4326008)(70206006)(9786002)(107886003)(81156014)(6636002)(8676002)(44832011)(356004)(6666004)(36756003)(316002)(2906002)(81166006)(478600001);DIR:OUT;SFP:1101;SCL:1;SRVR:SN6PR02MB4893;H:xsj-pvapsmtpgw01;FPR:;SPF:Pass;LANG:en;PTR:unknown-60-83.xilinx.com;MX:1;A:1; MIME-Version: 1.0 Content-Type: text/plain X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8cbbf6a6-44b7-44b9-898c-08d79a87dbae X-MS-TrafficTypeDiagnostic: SN6PR02MB4893: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:2201; X-Forefront-PRVS: 02843AA9E0 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 0OCqkjbZa5mx8lc+1JGsfnvO31KQ4X7B/6wjSWZWd/+XAkhsRoLY6BCaJlI8zIp0USIyl2Vg/9Atfmebbt7XIXAErsDIRYJeuhvRKUKOaT1vul6BErp4NfFkXi0yy0rdhFoUSS1i3khxWeubMS75lJmUBydPtSMM+dRYra12INqvZZ0r1mBo7dv6S4L5Bq2afYBUsienquKRbkZZ2HEjPE+Eh0XCkZUCiX2D2m4NhnTAJ7F7BNp/LkndX4m1o8d+Gwy4egfY45uOkiZjADKg3k+Pk+MZ9dsNqlnnek+sgt4PuhDaF7rS4nU9ig609p3JLryQ+ulMTpLRbe/X/AmmKpQ8bUZfeaD3gjN7/xJsbvSRkoqMFIl0rvbtvtUNT9PinclSqJX36EgbhdeGl5cG118K0a2CU7s7y8HWe6/QTI+L7Ev4/QGRnKPeYElCieXH X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jan 2020 13:27:39.1994 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8cbbf6a6-44b7-44b9-898c-08d79a87dbae X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.60.83];Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR02MB4893 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Srinivas Goud Add support for setting up timeout via kernel module parameter or read timeout-sec via device tree. Signed-off-by: Srinivas Goud Signed-off-by: Michal Simek --- drivers/watchdog/of_xilinx_wdt.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/watchdog/of_xilinx_wdt.c b/drivers/watchdog/of_xilinx_wdt.c index d2c389d9eaa7..375289e3bed2 100644 --- a/drivers/watchdog/of_xilinx_wdt.c +++ b/drivers/watchdog/of_xilinx_wdt.c @@ -18,6 +18,7 @@ #include #include +#define XWT_WWDT_DEFAULT_TIMEOUT 10 #define XWT_WWDT_MIN_TIMEOUT 1 #define XWT_WWDT_MAX_TIMEOUT 80 @@ -55,6 +56,13 @@ #define WATCHDOG_NAME "Xilinx Watchdog" +static int wdt_timeout; + +module_param(wdt_timeout, int, 0644); +MODULE_PARM_DESC(wdt_timeout, + "Watchdog time in seconds. (default=" + __MODULE_STRING(XWT_WWDT_DEFAULT_TIMEOUT) ")"); + /** * enum xwdt_ip_type - WDT IP type. * @@ -416,6 +424,15 @@ static int xwdt_probe(struct platform_device *pdev) xilinx_wdt_wdd->timeout = 2 * ((1 << xdev->wdt_interval) / pfreq); + } else { + xilinx_wdt_wdd->timeout = XWT_WWDT_DEFAULT_TIMEOUT; + xilinx_wdt_wdd->min_timeout = XWT_WWDT_MIN_TIMEOUT; + xilinx_wdt_wdd->max_timeout = XWT_WWDT_MAX_TIMEOUT; + + rc = watchdog_init_timeout(xilinx_wdt_wdd, + wdt_timeout, &pdev->dev); + if (rc) + dev_warn(&pdev->dev, "unable to set timeout value\n"); } spin_lock_init(&xdev->spinlock); -- 2.7.4