From patchwork Fri Apr 12 16:08:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Armin Wolf X-Patchwork-Id: 788816 Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) (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 2D3A914884C; Fri, 12 Apr 2024 16:09:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.15.15 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712938176; cv=none; b=nDhjCQhYmBzTcLv8HLmzjHL2dgJaU0w1mLyT813x7df3Ms+yMuhoYaCRBlZNOGFEC+z94PJ+RhXBKBNB6SOAOrBjvxaLBFxyXIMv8z5wZeDJKULBHiMflS+tqS1mqrEqq6S4XWjzokLRwP72JM7s8g3t5LnojXIskqeo+f993bc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712938176; c=relaxed/simple; bh=key2rY0okj8iTY/sKjeNG8DebhT6mn/FJZAaKfGK91E=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=BEXLpjz7PsJbpirgwIDmvnutxNTrRNyRPxySzKnQAr2AZlBV6aex0uthEpctalgV+KnKcP3vy8tcn1RTGUzw9xfpTy0Wb2BwFbNlVvJSpVcW46wyzLfiubF881fytnS4VykgouUZawpC0NIPMl7PzQzS3W1j3PzNMURUY+DTURg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.de; spf=pass smtp.mailfrom=gmx.de; dkim=pass (2048-bit key) header.d=gmx.de header.i=w_armin@gmx.de header.b=m/5W5Ayg; arc=none smtp.client-ip=212.227.15.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmx.de header.i=w_armin@gmx.de header.b="m/5W5Ayg" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmx.de; s=s31663417; t=1712938143; x=1713542943; i=w_armin@gmx.de; bh=GfYGlzTabZ/Md6Ur06TpQylZldL1dEkuYiWABfiFon0=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date; b=m/5W5Ayg/cLKO6mqu+hsj+RN9pqKhFwmqKRKSFCwCY0gV+qinWNOKYvpFF/lRTeR OQYLA0rpOYfYN6WvX8BajQ0+WNaDRexCLtOuK0M43KtsO6Hu6n7r+h2DfqnOiAoc3 xVD6trFryUR9HyRjvEAghFYRcEo81mVmlGM945nUPH6jnaxVEUSwn80u6+MuwcGVe 2y01YTIVE/Jz+sA68Q7TYbYUqcommHH56V0RTNv7lLhifG+z/jcxiB8yGjcEmIvBl B1mHlQUXTUxrM+cEgXFegxmUidPjmxRxIbgAQIk3aeassvfaXN9O8b4QKtuuCFCvK wdTTTKliQTVcI76Nag== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from mx-amd-b650.users.agdsn.de ([141.30.226.129]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MHXFr-1rzSKU0AOv-00Db32; Fri, 12 Apr 2024 18:09:03 +0200 From: Armin Wolf To: mlj@danelec.com, rafael.j.wysocki@intel.com, lenb@kernel.org Cc: jdelvare@suse.com, linux@roeck-us.net, linux@weissschuh.net, ilpo.jarvinen@linux.intel.com, linux-acpi@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: [PATCH v3 1/2] hwmon: (core) Add support for power fault attribute Date: Fri, 12 Apr 2024 18:08:56 +0200 Message-Id: <20240412160857.79858-1-W_Armin@gmx.de> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Provags-ID: V03:K1:FxN8oOpXNdjbD6CD5rAKuRlwWxOj0azlCpDAY3MnyB/WSTkNHyl HE/auXD4vpPP6BXM+nU9pvumVwDf4Su+KryhDAmxqJDu8yiDN65uHKbPYAw97u/FiWmko1q Hho5TLZCzT0BwtE7qJV4xiv3mJ/a8nOewjXizuGz1IP0TwXpaVSPDkpdyoI8WjdMpxv/mUW QAgUgReNCQyayF+gFWCyQ== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:14VeDLJl1bg=;KEqr7ll/Hc3qkWPfpw6n4LsbJL1 c8x8CgG9ChVqgozx19NjB6vtmvVcPnWUZuIkUpXd2IoU1eZxfT8st/8o4e7LzBmt2gxfCuoZJ dVWm+IxbFQr74U/KExjrG3HYcg1DmvcwKFzBg5KfT9Ng4slLYwOXl+DLprnJ/4sRxjKsLgEFj ca90DiwEra/KsOtbhhXRxB2GaAE3PU6pfdu7jjtWey7U/YQULXX7X4oSK2nS7prKEaVZDtYMZ EmG477JPhy1mZRtXIiqebhQCEXag6gBngjcjzJetSi/R2HbbHMA7ZgKyzLppjU8JsHdyn5hUK 1J5O6tE8njQN3dbBb4I4lrqy+SfDiUXyqENKxPARclE1bAq+Mtxy27ItVMUxGlFBsod4EMXoj GRMBeLmJi4GRPiYl39q4C1mcK4RQ0QhJiXNR0kLbbBN0n+tAD83sn5RRtkLmNWG+//eGEAFpq PQIZMrfgM2afNEdermyHaO4Yywd1PEja+zdzVMi9VtJ0b7IECl3M3nBgW+Z30AgsGhqPyXz8f om6O35uDstQ9wsH5lXRSO6Z5NoKCqVbhBlWa3Mu7YdaVOxKzGw9qy+Zuj6l4sBLNYVndcURaW 0XG1mKeU5NG3rJPHlfgfbWh23k0lFJIZoTHzhZQ7vnkCUDEeZx79ND6loApE1IkwDJ/eJu8hJ NId6Dv2NIk55CmVKgEynArgI0MuuMkzArq4PdrmN6NXGI339DSedyIgGf6+HDob2OCR2o2KGM png1ApJBjheu5hAxEnGoqcuOgCf3oxZ5rMBguz8z2/hqGT8V4aqkrWLk9URKLV2dif/6krtQx lvV4hWowzBevjjmigXh0FKNSsMK53JPj75lmKMi+8/iuc= Power sensor driver might want to signal that the power value is not usable. Add a new power fault attribute to report such failures. Signed-off-by: Armin Wolf --- Changes since v2: - added patch --- Documentation/ABI/testing/sysfs-class-hwmon | 9 +++++++++ drivers/hwmon/hwmon.c | 1 + include/linux/hwmon.h | 2 ++ 3 files changed, 12 insertions(+) -- 2.39.2 diff --git a/Documentation/ABI/testing/sysfs-class-hwmon b/Documentation/ABI/testing/sysfs-class-hwmon index cfd0d0bab483..ed01d43d2491 100644 --- a/Documentation/ABI/testing/sysfs-class-hwmon +++ b/Documentation/ABI/testing/sysfs-class-hwmon @@ -882,6 +882,15 @@ Description: RW +What: /sys/class/hwmon/hwmonX/powerY_fault +Description: + Reports a power sensor failure. + + - 1: Failed + - 0: Ok + + RO + What: /sys/class/hwmon/hwmonX/powerY_rated_min Description: Minimum rated power. diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index 3b259c425ab7..6150d64f5c4c 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -560,6 +560,7 @@ static const char * const hwmon_power_attr_templates[] = { [hwmon_power_crit] = "power%d_crit", [hwmon_power_label] = "power%d_label", [hwmon_power_alarm] = "power%d_alarm", + [hwmon_power_fault] = "power%d_fault", [hwmon_power_cap_alarm] = "power%d_cap_alarm", [hwmon_power_min_alarm] = "power%d_min_alarm", [hwmon_power_max_alarm] = "power%d_max_alarm", diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h index edf96f249eb5..00122e565dbf 100644 --- a/include/linux/hwmon.h +++ b/include/linux/hwmon.h @@ -237,6 +237,7 @@ enum hwmon_power_attributes { hwmon_power_max_alarm, hwmon_power_lcrit_alarm, hwmon_power_crit_alarm, + hwmon_power_fault, hwmon_power_rated_min, hwmon_power_rated_max, }; @@ -270,6 +271,7 @@ enum hwmon_power_attributes { #define HWMON_P_MAX_ALARM BIT(hwmon_power_max_alarm) #define HWMON_P_LCRIT_ALARM BIT(hwmon_power_lcrit_alarm) #define HWMON_P_CRIT_ALARM BIT(hwmon_power_crit_alarm) +#define HWMON_P_FAULT BIT(hwmon_power_fault) #define HWMON_P_RATED_MIN BIT(hwmon_power_rated_min) #define HWMON_P_RATED_MAX BIT(hwmon_power_rated_max)