From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7945A1386C0; Tue, 9 Apr 2024 19:37:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.249 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712691461; cv=none; b=KpKZhlleMVivsbWNq1AaccR6qXkQ6PWH0TXMrKxv+R4RDkEr+L1DPcAPBcawrdYtoTGju9YpTaOUjnd7p43tqfC6upoadZMgnDvMDtEt1fBQyBxTBZbJhh4cNSmxnJuLCgzaC8iVVWOOjBdJB1qOL1p1cj9UXfXggnMosUyHSA0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712691461; c=relaxed/simple; bh=NWVotNPMcQTtLRf5uoxfd7Jy0qy0OAOatNqmTgO0CsE=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=Daq65ABIE0rpGwVh7Bb/Cezj4eGGEPPAKjxlRJP6tsapdeyJDYSqv4SBmLNGeKkh91g8jTE3pU6auXqO4psovgHsVP4UBPuApPRmypDnSuwQmWBVnrmXFpcpCYP0dGIb/5moT+K6nBz7t/vZI4W6bt48upTN4OPWh8EXan6Tgd0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=uMCszpP6; arc=none smtp.client-ip=198.47.23.249 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="uMCszpP6" Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 439JbFs1105947; Tue, 9 Apr 2024 14:37:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1712691435; bh=NWVotNPMcQTtLRf5uoxfd7Jy0qy0OAOatNqmTgO0CsE=; h=Date:Subject:To:CC:References:From:In-Reply-To; b=uMCszpP6yRuOm0KtBdRYkAElSygNdMmzKAi4xd/nQ8p4GxOkuvdO4fmxSqkf9OHKD Lh/OEc7QtoZstXYWwkBgd8aU37g1s793SDJ2qLwoWFqci78Ai/TZfNSmpSUXvW72KL aZ1e4MWx7E3une6gT6dwv5iHzArME2d5be9pQ/yA= Received: from DFLE105.ent.ti.com (dfle105.ent.ti.com [10.64.6.26]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 439JbFZS054227 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 9 Apr 2024 14:37:15 -0500 Received: from DFLE111.ent.ti.com (10.64.6.32) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Tue, 9 Apr 2024 14:37:15 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DFLE111.ent.ti.com (10.64.6.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Tue, 9 Apr 2024 14:37:15 -0500 Received: from [128.247.81.105] (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 439JbF4u090510; Tue, 9 Apr 2024 14:37:15 -0500 Message-ID: Date: Tue, 9 Apr 2024 14:37:15 -0500 Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] watchdog: rti_wdt: Set min_hw_heartbeat_ms to accommodate 5% safety margin To: Guenter Roeck CC: Wim Van Sebroeck , , , Francesco Dolcini References: <20240404153319.1088644-1-jm@ti.com> Content-Language: en-US From: Judith Mendez In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Hi all, On 4/6/24 8:01 AM, Guenter Roeck wrote: > On Thu, Apr 04, 2024 at 10:33:19AM -0500, Judith Mendez wrote: >> On AM62x, the watchdog is pet before the valid window >> is open. Fix min_hw_heartbeat and accommodate a 5% safety >> margin with the exception of open window size < 10%, >> which shall use <5% due to the smaller open window size. Please do not merge this patch, I will add an additional patch removing the hack in this driver. ~ Judith