From patchwork Mon May 4 14:14:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Shych X-Patchwork-Id: 11526245 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D4739913 for ; Mon, 4 May 2020 14:14:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BCD0F2078C for ; Mon, 4 May 2020 14:14:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728917AbgEDOOi (ORCPT ); Mon, 4 May 2020 10:14:38 -0400 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:58135 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728728AbgEDOOi (ORCPT ); Mon, 4 May 2020 10:14:38 -0400 Received: from Internal Mail-Server by MTLPINE1 (envelope-from michaelsh@mellanox.com) with ESMTPS (AES256-SHA encrypted); 4 May 2020 17:14:32 +0300 Received: from r-build-lowlevel.mtr.labs.mlnx. (r-build-lowlevel.mtr.labs.mlnx [10.209.0.190]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 044EEVtT022784; Mon, 4 May 2020 17:14:32 +0300 From: michaelsh@mellanox.com To: linux@roeck-us.net, wim@linux-watchdog.org, andy@infradead.org, dvhart@infradead.org Cc: linux-watchdog@vger.kernel.org, platform-driver-x86@vger.kernel.org, vadimp@mellanox.com, Michael Shych Subject: [PATCH v4 1/4] platform_data/mlxreg: support new watchdog type with longer timeout period Date: Mon, 4 May 2020 17:14:24 +0300 Message-Id: <20200504141427.17685-2-michaelsh@mellanox.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20200504141427.17685-1-michaelsh@mellanox.com> References: <20200504141427.17685-1-michaelsh@mellanox.com> Sender: linux-watchdog-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org From: Michael Shych Add new watchdog type 3 with longer timeout period. Extend size of health_cntr field that that can be used to init watchdog timeout period. Signed-off-by: Michael Shych Reviewed-by: Vadim Pasternak Acked-by: Andy Shevchenko --- v3-v4 Platform driver part acknowledged by Andy Shevchenko --- include/linux/platform_data/mlxreg.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/linux/platform_data/mlxreg.h b/include/linux/platform_data/mlxreg.h index b8da8aef2446..2c5e58d1d77b 100644 --- a/include/linux/platform_data/mlxreg.h +++ b/include/linux/platform_data/mlxreg.h @@ -43,10 +43,13 @@ * * TYPE1 HW watchdog implementation exist in old systems. * All new systems have TYPE2 HW watchdog. + * TYPE3 HW watchdog can exist on all systems with new CPLD. + * TYPE3 is selected by WD capability bit. */ enum mlxreg_wdt_type { MLX_WDT_TYPE1, MLX_WDT_TYPE2, + MLX_WDT_TYPE3, }; /** @@ -90,7 +93,7 @@ struct mlxreg_core_data { umode_t mode; struct device_node *np; struct mlxreg_hotplug_device hpdev; - u8 health_cntr; + u32 health_cntr; bool attached; };