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[91.118.163.37]) by smtp.gmail.com with ESMTPSA id v27-20020a170906489b00b009d2eb40ff9dsm447514ejq.33.2023.11.16.22.40.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Nov 2023 22:40:38 -0800 (PST) From: Javier Carrasco Date: Fri, 17 Nov 2023 07:40:34 +0100 Subject: [PATCH 1/4] ABI: sysfs-class-hwmon: rearrange humidity attributes alphabetically MIME-Version: 1.0 Message-Id: <20231116-hwmon_abi-v1-1-8bfb7f51145a@gmail.com> References: <20231116-hwmon_abi-v1-0-8bfb7f51145a@gmail.com> In-Reply-To: <20231116-hwmon_abi-v1-0-8bfb7f51145a@gmail.com> To: Jean Delvare , Guenter Roeck , Greg Kroah-Hartman , Mauro Carvalho Chehab Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, Javier Carrasco X-Mailer: b4 0.12.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1700203237; l=1384; i=javier.carrasco.cruz@gmail.com; s=20230509; h=from:subject:message-id; bh=AUAGi/qOoExr3Pui4zFOuuEaMbHFWY7lD1IotDyo1SU=; b=Maru+tzEBZzNL8Sf5c/1lQzvtEyadue6xnFarIEWDQKRbolBAWkONQI6AjBpFCYHEqtUQHAJ1 F1Vchf8whMbA327hPcmloNxDnYMBRMRodjgGyZtep1wLWQxYl/I2w/d X-Developer-Key: i=javier.carrasco.cruz@gmail.com; a=ed25519; pk=tIGJV7M+tCizagNijF0eGMBGcOsPD+0cWGfKjl4h6K8= X-Spam-Status: No, score=2.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_SBL_CSS, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Thu, 16 Nov 2023 22:41:40 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782792377841539939 X-GMAIL-MSGID: 1782792377841539939 Preliminary step to add the missing humidity attributes in the ABI documentation. Adding new elements alphabetically is a common practice that has been loosely followed in the sysfs-class-hwmon documentation. Since most of the humidity attributes must be added to the file, a single attribute needs to be rearranged to reinforce alphabetical order. Signed-off-by: Javier Carrasco --- Documentation/ABI/testing/sysfs-class-hwmon | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-class-hwmon b/Documentation/ABI/testing/sysfs-class-hwmon index 638f4c6d4ec7..b998a42add95 100644 --- a/Documentation/ABI/testing/sysfs-class-hwmon +++ b/Documentation/ABI/testing/sysfs-class-hwmon @@ -887,15 +887,6 @@ Description: RW -What: /sys/class/hwmon/hwmonX/humidityY_input -Description: - Humidity - - Unit: milli-percent (per cent mille, pcm) - - RO - - What: /sys/class/hwmon/hwmonX/humidityY_enable Description: Enable or disable the sensors @@ -908,6 +899,14 @@ Description: RW +What: /sys/class/hwmon/hwmonX/humidityY_input +Description: + Humidity + + Unit: milli-percent (per cent mille, pcm) + + RO + What: /sys/class/hwmon/hwmonX/humidityY_rated_min Description: Minimum rated humidity. 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[91.118.163.37]) by smtp.gmail.com with ESMTPSA id v27-20020a170906489b00b009d2eb40ff9dsm447514ejq.33.2023.11.16.22.40.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Nov 2023 22:40:39 -0800 (PST) From: Javier Carrasco Date: Fri, 17 Nov 2023 07:40:35 +0100 Subject: [PATCH 2/4] ABI: sysfs-class-hwmon: document missing humidity attributes MIME-Version: 1.0 Message-Id: <20231116-hwmon_abi-v1-2-8bfb7f51145a@gmail.com> References: <20231116-hwmon_abi-v1-0-8bfb7f51145a@gmail.com> In-Reply-To: <20231116-hwmon_abi-v1-0-8bfb7f51145a@gmail.com> To: Jean Delvare , Guenter Roeck , Greg Kroah-Hartman , Mauro Carvalho Chehab Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, Javier Carrasco X-Mailer: b4 0.12.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1700203237; l=2753; i=javier.carrasco.cruz@gmail.com; s=20230509; h=from:subject:message-id; bh=Cz+uGSmEvNxYiJra9hc4k5xY8AQoDk7mM0es6NtamR4=; b=+58ZzPaTZ2R5I5UWBrwjTwtE5eyOF2ev+T+eTDKkDmU10zs+FameNPN82EcVYp8W8gxFSpfOs rxoDZPG3jBuA12wKokQpeHXVGrME2gZhFqleiDFixoLDULBZPxuWKat X-Developer-Key: i=javier.carrasco.cruz@gmail.com; a=ed25519; pk=tIGJV7M+tCizagNijF0eGMBGcOsPD+0cWGfKjl4h6K8= X-Spam-Status: No, score=2.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_SBL_CSS, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Thu, 16 Nov 2023 22:41:41 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782792379394704327 X-GMAIL-MSGID: 1782792379394704327 All these attributes already exist and are used by the hwmon subsystem, but they still must be documented. The missing attributes are the following: - humidityY_alarm - humidityY_fault - humidityY_label - humidityY_max - humidityY_max_hyst - humidityY_min - humidityY_min_hyst Add the missing humidity attributes to the ABI documentation according to their current usage and access rights in the hwmon subsystem. Signed-off-by: Javier Carrasco --- Documentation/ABI/testing/sysfs-class-hwmon | 69 +++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-class-hwmon b/Documentation/ABI/testing/sysfs-class-hwmon index b998a42add95..dccbcdc2dad8 100644 --- a/Documentation/ABI/testing/sysfs-class-hwmon +++ b/Documentation/ABI/testing/sysfs-class-hwmon @@ -887,6 +887,15 @@ Description: RW +What: /sys/class/hwmon/hwmonX/humidityY_alarm +Description: + Humidity limit detection + + - 0: OK + - 1: Humidity limit has been reached + + RO + What: /sys/class/hwmon/hwmonX/humidityY_enable Description: Enable or disable the sensors @@ -899,6 +908,15 @@ Description: RW +What: /sys/class/hwmon/hwmonX/humidityY_fault +Description: + Reports a humidity sensor failure. + + - 1: Failed + - 0: Ok + + RO + What: /sys/class/hwmon/hwmonX/humidityY_input Description: Humidity @@ -907,6 +925,57 @@ Description: RO +What: /sys/class/hwmon/hwmonX/humidityY_label +Description: + Suggested humidity channel label. + + Text string + + Should only be created if the driver has hints about what + this humidity channel is being used for, and user-space + doesn't. In all other cases, the label is provided by + user-space. + + RO + +What: /sys/class/hwmon/hwmonX/humidityY_max +Description: + Humidity max value. + + Unit: milli-percent (per cent mille, pcm) + + RW + +What: /sys/class/hwmon/hwmonX/humidityY_max_hyst +Description: + Humidity hysteresis value for max limit. + + Unit: milli-percent (per cent mille, pcm) + + Must be reported as an absolute humidity, NOT a delta + from the max value. + + RW + +What: /sys/class/hwmon/hwmonX/humidityY_min +Description: + Humidity min value. + + Unit: milli-percent (per cent mille, pcm) + + RW + +What: /sys/class/hwmon/hwmonX/humidityY_min_hyst +Description: + Humidity hysteresis value for min limit. + + Unit: milli-percent (per cent mille, pcm) + + Must be reported as an absolute humidity, NOT a delta + from the min value. + + RW + What: /sys/class/hwmon/hwmonX/humidityY_rated_min Description: Minimum rated humidity. 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[91.118.163.37]) by smtp.gmail.com with ESMTPSA id v27-20020a170906489b00b009d2eb40ff9dsm447514ejq.33.2023.11.16.22.40.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Nov 2023 22:40:41 -0800 (PST) From: Javier Carrasco Date: Fri, 17 Nov 2023 07:40:36 +0100 Subject: [PATCH 3/4] ABI: sysfs-class-hwmon: fix tempY_crit_alarm access rights MIME-Version: 1.0 Message-Id: <20231116-hwmon_abi-v1-3-8bfb7f51145a@gmail.com> References: <20231116-hwmon_abi-v1-0-8bfb7f51145a@gmail.com> In-Reply-To: <20231116-hwmon_abi-v1-0-8bfb7f51145a@gmail.com> To: Jean Delvare , Guenter Roeck , Greg Kroah-Hartman , Mauro Carvalho Chehab Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, Javier Carrasco X-Mailer: b4 0.12.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1700203237; l=1409; i=javier.carrasco.cruz@gmail.com; s=20230509; h=from:subject:message-id; bh=FAaz0JyjLpwKKeXAsKli/EtU8qFxsDz77oHVb7sXDBA=; b=pFYkFaTT6FBXwHOfIomatXJrB4ld5btqjXF2rTDe7xfDie6Flj2CDCyDYQZKMmf7Aa+GzF5lO etcDxJBZNM0C434q+vBAIOS8zXF+6CLuVfgpvmOM+bMLvaEhs+CsFRs X-Developer-Key: i=javier.carrasco.cruz@gmail.com; a=ed25519; pk=tIGJV7M+tCizagNijF0eGMBGcOsPD+0cWGfKjl4h6K8= X-Spam-Status: No, score=1.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_SBL_CSS, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: * X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Thu, 16 Nov 2023 22:41:18 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782792420926774051 X-GMAIL-MSGID: 1782792420926774051 This attribute is defined as read-only by all drivers that support it. It seems that the access rights and description for this attribute were copied from the intrusionY_alarm, which has indeed RW rights and must be cleared by the user. These are the modules that currently use this attribute: - adt7x10 - i5500_temp - jc42 - lm83 - lm90 - lm95245 - max31760 - max6621 - mc34vr500 - tmp401 - tmp464 - tmp513 Fix the attribute description and make it read-only. Fixes: 365b5d63a505 ("ABI: sysfs-class-hwmon: add a description for tempY_crit_alarm") Signed-off-by: Javier Carrasco --- Documentation/ABI/testing/sysfs-class-hwmon | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-class-hwmon b/Documentation/ABI/testing/sysfs-class-hwmon index dccbcdc2dad8..3d5e6142ef0c 100644 --- a/Documentation/ABI/testing/sysfs-class-hwmon +++ b/Documentation/ABI/testing/sysfs-class-hwmon @@ -434,12 +434,7 @@ Description: - 0: OK - 1: temperature has reached tempY_crit - RW - - Contrary to regular alarm flags which clear themselves - automatically when read, this one sticks until cleared by - the user. This is done by writing 0 to the file. Writing - other values is unsupported. + RO What: /sys/class/hwmon/hwmonX/tempY_crit_hyst Description: From patchwork Fri Nov 17 06:40:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Carrasco X-Patchwork-Id: 165992 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:9910:0:b0:403:3b70:6f57 with SMTP id i16csp338259vqn; Thu, 16 Nov 2023 22:41:37 -0800 (PST) X-Google-Smtp-Source: AGHT+IFv/ZvlP/IYQxsMGr2TL7SUoQg1hXAe9QwZowt8XVQeJZT6WZSorVJvFPMR8/aU9R9IQ30r X-Received: by 2002:a05:6808:22a0:b0:3ad:f3e6:66f8 with SMTP id bo32-20020a05680822a000b003adf3e666f8mr22197003oib.41.1700203297505; Thu, 16 Nov 2023 22:41:37 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1700203297; cv=none; d=google.com; s=arc-20160816; b=dxXId1D1K54/kcciTlJuFFwo2xeiBDM19w8Cm6nvGd9KzOlIr0RqUbi0v5/fwR0FP6 fbqoOznR49E+7Z4+sfd4YL9iRyE6sRIxD/B34WemNSetrEJH/v0IPMxvN9CHsmy0znZT eBrOZcwVFgktQbjrQkGhQA358z5VrHEfaEkDE8ay6RYHt9GxqcsgvEIn4tYR+KO4oqv7 en7cEvpceEPJM/kQWubum1IjA03iWRuPjVrsOH9lJI8QJnYZJLKN0Jr8T7KyU35LUKej cYT+ogoW1cH8cOCd4QKIJpwDmG2jn+pCDSeQ6ZdOyNWUU5ydi6+q5kRr4sh67JPh7+mS w3kA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=2dLWB4TJdmX3nxO89fsn3dhr9nJ0AUMxfWGRU8bttDU=; fh=OoA0JIoxTojNJszcxJcQZWfGSy/3Ut2NK1b7QxQqqL4=; b=lSgqqMULkNnug9k6DABKXNkNNHuxPVmHfOeQn4rBNvW3upUvnyx2eKDh0NN3LijXMY dVQh0dmBdxgYFW6il5QE2pt1hGUu42UHenM1uIGKde+lbKtGxecNfOs/PHzkS3RTbTkw zEeKudi2JGDxJho753p6eFkVz38/jTvHykK9+Z3ImcyCaJJeCki1yigt3bnyx+0DbTFq M6eFk/L1DcoFsTy3+EOQDWB1sZDDBhpYpsn45XiiwRlLXvuQ+b6WMMzDWcGzjA4dXNct cEY6OkzUouseBKOxkLCHzsJIY3gytHlbqy5n12fquk7vpXL6cUZ2Y5JB2aRAa1BbgxUo vdrg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=RpZPtz3G; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from lipwig.vger.email (lipwig.vger.email. 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[91.118.163.37]) by smtp.gmail.com with ESMTPSA id v27-20020a170906489b00b009d2eb40ff9dsm447514ejq.33.2023.11.16.22.40.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Nov 2023 22:40:42 -0800 (PST) From: Javier Carrasco Date: Fri, 17 Nov 2023 07:40:37 +0100 Subject: [PATCH 4/4] ABI: sysfs-class-hwmon: document emergency/max/min temperature alarms MIME-Version: 1.0 Message-Id: <20231116-hwmon_abi-v1-4-8bfb7f51145a@gmail.com> References: <20231116-hwmon_abi-v1-0-8bfb7f51145a@gmail.com> In-Reply-To: <20231116-hwmon_abi-v1-0-8bfb7f51145a@gmail.com> To: Jean Delvare , Guenter Roeck , Greg Kroah-Hartman , Mauro Carvalho Chehab Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, Javier Carrasco X-Mailer: b4 0.12.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1700203237; l=1707; i=javier.carrasco.cruz@gmail.com; s=20230509; h=from:subject:message-id; bh=XY0nbZ8q1oMfM8UbOjc+Jj6bmU6olGeD0jPvrO16Ex4=; b=gpZ6fWnvWcSF5WMBQQPAbLGUSQiLsKt7w+itnCHhJ6+wYF5jzUS3z26Qyb8HWvFjY6ytARHm+ oc5X/ExoONVCGttoGl2hrmWHAEPIJNcdaglklMiYsHkQnc4WDApqm/7 X-Developer-Key: i=javier.carrasco.cruz@gmail.com; a=ed25519; pk=tIGJV7M+tCizagNijF0eGMBGcOsPD+0cWGfKjl4h6K8= X-Spam-Status: No, score=2.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_SBL_CSS, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Thu, 16 Nov 2023 22:41:35 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782792373008848200 X-GMAIL-MSGID: 1782792373008848200 These attributes are widely used in the hwmon subsystem, but they still must be documented. Add tempY_emergency_alarm, tempY_max_alarm and tempY_min_alarm to the ABI documentation according to their current usage and access rights in the hwmon subsystem. Signed-off-by: Javier Carrasco --- Documentation/ABI/testing/sysfs-class-hwmon | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-class-hwmon b/Documentation/ABI/testing/sysfs-class-hwmon index 3d5e6142ef0c..3dac923c9b0e 100644 --- a/Documentation/ABI/testing/sysfs-class-hwmon +++ b/Documentation/ABI/testing/sysfs-class-hwmon @@ -381,6 +381,15 @@ Description: RW +What: /sys/class/hwmon/hwmonX/tempY_max_alarm +Description: + Maximum temperature alarm flag. + + - 0: OK + - 1: temperature has reached tempY_max + + RO + What: /sys/class/hwmon/hwmonX/tempY_min Description: Temperature min value. @@ -389,6 +398,15 @@ Description: RW +What: /sys/class/hwmon/hwmonX/tempY_min_alarm +Description: + Minimum temperature alarm flag. + + - 0: OK + - 1: temperature has reached tempY_min + + RO + What: /sys/class/hwmon/hwmonX/tempY_max_hyst Description: Temperature hysteresis value for max limit. @@ -457,6 +475,15 @@ Description: RW +What: /sys/class/hwmon/hwmonX/tempY_emergency_alarm +Description: + Emergency high temperature alarm flag. + + - 0: OK + - 1: temperature has reached tempY_emergency + + RO + What: /sys/class/hwmon/hwmonX/tempY_emergency_hyst Description: Temperature hysteresis value for emergency limit.