{"id":818217,"url":"http://patchwork.ozlabs.org/api/patches/818217/?format=json","web_url":"http://patchwork.ozlabs.org/project/rtc-linux/patch/1506340724-18108-1-git-send-email-18502523564@163.com/","project":{"id":9,"url":"http://patchwork.ozlabs.org/api/projects/9/?format=json","name":"Linux RTC development","link_name":"rtc-linux","list_id":"linux-rtc.vger.kernel.org","list_email":"linux-rtc@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<1506340724-18108-1-git-send-email-18502523564@163.com>","list_archive_url":null,"date":"2017-09-25T11:58:44","name":"rtc: ds1374: wdt:support suspend/resume for watchdog","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"d651bdf7bb9fa956220be262758aa1cf6c87fc0e","submitter":{"id":69781,"url":"http://patchwork.ozlabs.org/api/people/69781/?format=json","name":"刘稳","email":"18502523564@163.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/rtc-linux/patch/1506340724-18108-1-git-send-email-18502523564@163.com/mbox/","series":[{"id":4946,"url":"http://patchwork.ozlabs.org/api/series/4946/?format=json","web_url":"http://patchwork.ozlabs.org/project/rtc-linux/list/?series=4946","date":"2017-09-25T11:58:44","name":"rtc: ds1374: wdt:support suspend/resume for watchdog","version":1,"mbox":"http://patchwork.ozlabs.org/series/4946/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/818217/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/818217/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=linux-rtc-owner@vger.kernel.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=163.com header.i=@163.com header.b=\"c2i6X6+N\";\n\tdkim-atps=neutral"],"Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3y130z4tL2z9t3R\n\tfor ;\n\tMon, 25 Sep 2017 22:14:27 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S935346AbdIYMO0 (ORCPT );\n\tMon, 25 Sep 2017 08:14:26 -0400","from m50-138.163.com ([123.125.50.138]:38887 \"EHLO m50-138.163.com\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S935345AbdIYMOZ (ORCPT );\n\tMon, 25 Sep 2017 08:14:25 -0400","from localhost.localdomain (unknown [122.96.43.11])\n\tby smtp1 (Coremail) with SMTP id C9GowACnafB378hZblaoAA--.121S2;\n\tMon, 25 Sep 2017 19:58:53 +0800 (CST)"],"X-Greylist":"delayed 914 seconds by postgrey-1.27 at vger.kernel.org;\n\tMon, 25 Sep 2017 08:14:24 EDT","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com;\n\ts=s110527; h=From:Subject:Date:Message-Id; bh=eYavP5dsSTCkkBce6B\n\tqBT3fpfGBo/uklfvQRQ0h+UAw=; b=c2i6X6+Nb4qivGxqyzYXZQSt26iMO3Hk3Z\n\tusFMOhBXUixPVQyDb4FG5sGzbjwgWbmAFsP0dmjqgHmSsOB0K29QWXEOmibrpxiI\n\tn0Vy+Pc0A8CX9tuncPq3C+5uy9L49dRmErUCrqjucqPnHYkEXCjgPLLeZqd3XVmG\n\tLTvXdacGw=","From":"\"winton.liu\" <18502523564@163.com>","To":"a.zummo@towertech.it, alexandre.belloni@free-electrons.com,\n\tlinux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org","Cc":"\"winton.liu\" <18502523564@163.com>","Subject":"[PATCH] rtc: ds1374: wdt:support suspend/resume for watchdog","Date":"Mon, 25 Sep 2017 19:58:44 +0800","Message-Id":"<1506340724-18108-1-git-send-email-18502523564@163.com>","X-Mailer":"git-send-email 1.9.1","X-CM-TRANSID":"C9GowACnafB378hZblaoAA--.121S2","X-Coremail-Antispam":"1Uf129KBjvdXoW7XryxKFW3GFWrJFy5Cr17KFg_yoWkZFbEkF\n\t17X393Xr4DJ3ZYk3ZrA347ZrWkGrs5WF1DCFy0yas8ZayDX3yDAa9rXrsFka1UXFyUCa4F\n\tvws7ur48Zr17JjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT\n\t9fnUUvcSsGvfC2KfnxnUUI43ZEXa7xREl1vPUUUUU==","X-Originating-IP":"[122.96.43.11]","X-CM-SenderInfo":"jprykiysvsjkiwu6il2tof0z/1tbipR5e9VUMG45viAAAs7","Sender":"linux-rtc-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"linux-rtc@vger.kernel.org"},"content":"When enable CONFIG_RTC_DRV_DS1374_WDT use as watchdog,\nin suspend mode, watchdog is still working but no daemon\npatting the watchdog. The system will reboot if timeout.\nSo disable watchdog in suspend and recover it in resume.\n\nSigned-off-by: winton.liu <18502523564@163.com>\n---\n drivers/rtc/rtc-ds1374.c | 8 ++++++++\n 1 file changed, 8 insertions(+)","diff":"diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c\nindex 38a2e9e..e990773 100644\n--- a/drivers/rtc/rtc-ds1374.c\n+++ b/drivers/rtc/rtc-ds1374.c\n@@ -690,6 +690,10 @@ static int ds1374_suspend(struct device *dev)\n {\n \tstruct i2c_client *client = to_i2c_client(dev);\n \n+#ifdef CONFIG_RTC_DRV_DS1374_WDT\n+\tds1374_wdt_disable();\n+#endif\n+\n \tif (client->irq > 0 && device_may_wakeup(&client->dev))\n \t\tenable_irq_wake(client->irq);\n \treturn 0;\n@@ -699,6 +703,10 @@ static int ds1374_resume(struct device *dev)\n {\n \tstruct i2c_client *client = to_i2c_client(dev);\n \n+#ifdef CONFIG_RTC_DRV_DS1374_WDT\n+\tds1374_wdt_settimeout(131072);\n+#endif\n+\n \tif (client->irq > 0 && device_may_wakeup(&client->dev))\n \t\tdisable_irq_wake(client->irq);\n \treturn 0;\n","prefixes":[]}