linux-kernel - [PATCH] hwmon:Update EC Chip driver for Lenovo ThinkStation motherboards

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20250807103228.10465-1-dober6023@gmail.com>
Date: Thu,  7 Aug 2025 06:32:28 -0400
From: David Ober <dober6023@...il.com>
To: linux-hwmon@...r.kernel.org
Cc: linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	jdelvare@...e.com,
	linux@...ck-us.net,
	corbet@....net,
	dober@...ovo.com,
	mpearson@...ovo.com,
	David Ober <dober6023@...il.com>
Subject: [PATCH] hwmon:Update EC Chip driver for Lenovo ThinkStation motherboards

This fixes differences for the P8 system that was initially set to
the same thermal values as the P7, also adds in the PSU sensor for
all of the supported systems

Signed-off-by: David Ober <dober@...ovo.com>
Signed-off-by: David Ober <dober6023@...il.com>
---
 drivers/hwmon/lenovo-ec-sensors.c | 34 +++++++++++++++++++++++++++----
 1 file changed, 30 insertions(+), 4 deletions(-)

diff --git a/drivers/hwmon/lenovo-ec-sensors.c b/drivers/hwmon/lenovo-ec-sensors.c
index 143fb79713f7..8681bbf6665b 100644
--- a/drivers/hwmon/lenovo-ec-sensors.c
+++ b/drivers/hwmon/lenovo-ec-sensors.c
@@ -66,7 +66,7 @@ enum systems {
 	LENOVO_P8,
 };
 
-static int px_temp_map[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
+static int px_temp_map[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 31, 32};
 
 static const char * const lenovo_px_ec_temp_label[] = {
 	"CPU1",
@@ -84,9 +84,29 @@ static const char * const lenovo_px_ec_temp_label[] = {
 	"PCI_Z3",
 	"PCI_Z4",
 	"AMB",
+	"PSU1",
+	"PSU2",
 };
 
-static int gen_temp_map[] = {0, 2, 3, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
+static int p8_temp_map[] = {0, 1, 2, 8, 9, 13, 14, 15, 16, 17, 19, 20, 33};
+
+static const char * const lenovo_p8_ec_temp_label[] = {
+	"CPU1",
+	"CPU_DIMM_BANK1",
+	"CPU_DIMM_BANK2",
+	"M2_Z2R",
+	"M2_Z3R",
+	"DIMM_RIGHT",
+	"DIMM_LEFT",
+	"PCI_Z1",
+	"PCI_Z2",
+	"PCI_Z3",
+	"AMB",
+	"REAR_VR",
+	"PSU",
+};
+
+static int gen_temp_map[] = {0, 2, 3, 6, 7, 8, 9, 10, 11, 12, 13, 14, 31};
 
 static const char * const lenovo_gen_ec_temp_label[] = {
 	"CPU1",
@@ -101,6 +121,7 @@ static const char * const lenovo_gen_ec_temp_label[] = {
 	"PCI_Z3",
 	"PCI_Z4",
 	"AMB",
+	"PSU",
 };
 
 static int px_fan_map[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
@@ -293,6 +314,8 @@ static const struct hwmon_channel_info *lenovo_ec_hwmon_info_px[] = {
 			   HWMON_T_INPUT | HWMON_T_LABEL,
 			   HWMON_T_INPUT | HWMON_T_LABEL,
 			   HWMON_T_INPUT | HWMON_T_LABEL,
+			   HWMON_T_INPUT | HWMON_T_LABEL,
+			   HWMON_T_INPUT | HWMON_T_LABEL,
 			   HWMON_T_INPUT | HWMON_T_LABEL),
 	HWMON_CHANNEL_INFO(fan,
 			   HWMON_F_INPUT | HWMON_F_LABEL | HWMON_F_MAX,
@@ -327,6 +350,7 @@ static const struct hwmon_channel_info *lenovo_ec_hwmon_info_p8[] = {
 			   HWMON_T_INPUT | HWMON_T_LABEL,
 			   HWMON_T_INPUT | HWMON_T_LABEL,
 			   HWMON_T_INPUT | HWMON_T_LABEL,
+			   HWMON_T_INPUT | HWMON_T_LABEL,
 			   HWMON_T_INPUT | HWMON_T_LABEL),
 	HWMON_CHANNEL_INFO(fan,
 			   HWMON_F_INPUT | HWMON_F_LABEL | HWMON_F_MAX,
@@ -359,6 +383,7 @@ static const struct hwmon_channel_info *lenovo_ec_hwmon_info_p7[] = {
 			   HWMON_T_INPUT | HWMON_T_LABEL,
 			   HWMON_T_INPUT | HWMON_T_LABEL,
 			   HWMON_T_INPUT | HWMON_T_LABEL,
+			   HWMON_T_INPUT | HWMON_T_LABEL,
 			   HWMON_T_INPUT | HWMON_T_LABEL),
 	HWMON_CHANNEL_INFO(fan,
 			   HWMON_F_INPUT | HWMON_F_LABEL | HWMON_F_MAX,
@@ -388,6 +413,7 @@ static const struct hwmon_channel_info *lenovo_ec_hwmon_info_p5[] = {
 			   HWMON_T_INPUT | HWMON_T_LABEL,
 			   HWMON_T_INPUT | HWMON_T_LABEL,
 			   HWMON_T_INPUT | HWMON_T_LABEL,
+			   HWMON_T_INPUT | HWMON_T_LABEL,
 			   HWMON_T_INPUT | HWMON_T_LABEL),
 	HWMON_CHANNEL_INFO(fan,
 			   HWMON_F_INPUT | HWMON_F_LABEL | HWMON_F_MAX,
@@ -545,9 +571,9 @@ static int lenovo_ec_probe(struct platform_device *pdev)
 		break;
 	case 3:
 		ec_data->fan_labels = p8_ec_fan_label;
-		ec_data->temp_labels = lenovo_gen_ec_temp_label;
+		ec_data->temp_labels = lenovo_p8_ec_temp_label;
 		ec_data->fan_map = p8_fan_map;
-		ec_data->temp_map = gen_temp_map;
+		ec_data->temp_map = p8_temp_map;
 		lenovo_ec_chip_info.info = lenovo_ec_hwmon_info_p8;
 		break;
 	default:
-- 
2.34.1