Merge branch 'linus' into x86/tracehook

10 files changed, 537 insertions, 62 deletions

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index bf4ebfb86fa..d402e8d813c 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -77,6 +77,22 @@ config SENSORS_AD7418
 	  This driver can also be built as a module. If so, the module
 	  will be called ad7418.
 
+config SENSORS_ADCXX
+	tristate "National Semiconductor ADCxxxSxxx"
+	depends on SPI_MASTER && EXPERIMENTAL
+	help
+	  If you say yes here you get support for the National Semiconductor
+	  ADC<bb><c>S<sss> chip family, where
+	  * bb  is the resolution in number of bits (8, 10, 12)
+	  * c   is the number of channels (1, 2, 4, 8)
+	  * sss is the maximum conversion speed (021 for 200 kSPS, 051 for 500
+	    kSPS and 101 for 1 MSPS)
+
+	  Examples : ADC081S101, ADC124S501, ...
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called adcxx.
+
 config SENSORS_ADM1021
 	tristate "Analog Devices ADM1021 and compatibles"
 	depends on I2C
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 7943e5cefb0..950134ab842 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_SENSORS_ABITUGURU)	+= abituguru.o
 obj-$(CONFIG_SENSORS_ABITUGURU3)+= abituguru3.o
 obj-$(CONFIG_SENSORS_AD7414)	+= ad7414.o
 obj-$(CONFIG_SENSORS_AD7418)	+= ad7418.o
+obj-$(CONFIG_SENSORS_ADCXX)	+= adcxx.o
 obj-$(CONFIG_SENSORS_ADM1021)	+= adm1021.o
 obj-$(CONFIG_SENSORS_ADM1025)	+= adm1025.o
 obj-$(CONFIG_SENSORS_ADM1026)	+= adm1026.o
diff --git a/drivers/hwmon/abituguru3.c b/drivers/hwmon/abituguru3.c
index f00f497b9ca..d568c65c137 100644
--- a/drivers/hwmon/abituguru3.c
+++ b/drivers/hwmon/abituguru3.c
@@ -1,5 +1,8 @@
 /*
-    abituguru3.c Copyright (c) 2006 Hans de Goede <j.w.r.degoede@hhs.nl>
+    abituguru3.c
+
+    Copyright (c) 2006-2008 Hans de Goede <j.w.r.degoede@hhs.nl>
+    Copyright (c) 2008 Alistair John Strachan <alistair@devzero.co.uk>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -116,7 +119,7 @@ struct abituguru3_sensor_info {
 
 struct abituguru3_motherboard_info {
 	u16 id;
-	const char *name;
+	const char *dmi_name;
 	/* + 1 -> end of sensors indicated by a sensor with name == NULL */
 	struct abituguru3_sensor_info sensors[ABIT_UGURU3_MAX_NO_SENSORS + 1];
 };
@@ -161,7 +164,7 @@ struct abituguru3_data {
 
 /* Constants */
 static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
-	{ 0x000C, "unknown", {
+	{ 0x000C, NULL /* Unknown, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR",		 1, 0, 10, 1, 0 },
 		{ "DDR VTT",		 2, 0, 10, 1, 0 },
@@ -183,7 +186,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "AUX1 Fan",		35, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x000D, "Abit AW8", {
+	{ 0x000D, NULL /* Abit AW8, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR",		 1, 0, 10, 1, 0 },
 		{ "DDR VTT",		 2, 0, 10, 1, 0 },
@@ -212,7 +215,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "AUX5 Fan",		39, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x000E, "AL-8", {
+	{ 0x000E, NULL /* AL-8, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR",		 1, 0, 10, 1, 0 },
 		{ "DDR VTT",		 2, 0, 10, 1, 0 },
@@ -233,7 +236,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "SYS Fan",		34, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x000F, "unknown", {
+	{ 0x000F, NULL /* Unknown, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR",		 1, 0, 10, 1, 0 },
 		{ "DDR VTT",		 2, 0, 10, 1, 0 },
@@ -254,7 +257,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "SYS Fan",		34, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x0010, "Abit NI8 SLI GR", {
+	{ 0x0010, NULL /* Abit NI8 SLI GR, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR",		 1, 0, 10, 1, 0 },
 		{ "DDR VTT",		 2, 0, 10, 1, 0 },
@@ -276,7 +279,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "OTES1 Fan",		36, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x0011, "Abit AT8 32X", {
+	{ 0x0011, NULL /* Abit AT8 32X, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR",		 1, 0, 20, 1, 0 },
 		{ "DDR VTT",		 2, 0, 10, 1, 0 },
@@ -302,7 +305,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "AUX2 Fan",		36, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x0012, "Abit AN8 32X", {
+	{ 0x0012, NULL /* Abit AN8 32X, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR",		 1, 0, 20, 1, 0 },
 		{ "DDR VTT",		 2, 0, 10, 1, 0 },
@@ -324,7 +327,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "AUX1 Fan",		36, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x0013, "Abit AW8D", {
+	{ 0x0013, NULL /* Abit AW8D, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR",		 1, 0, 10, 1, 0 },
 		{ "DDR VTT",		 2, 0, 10, 1, 0 },
@@ -353,7 +356,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "AUX5 Fan",		39, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x0014, "Abit AB9 Pro", {
+	{ 0x0014, NULL /* Abit AB9 Pro, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR",		 1, 0, 10, 1, 0 },
 		{ "DDR VTT",		 2, 0, 10, 1, 0 },
@@ -374,7 +377,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "SYS Fan",		34, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x0015, "unknown", {
+	{ 0x0015, NULL /* Unknown, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR",		 1, 0, 20, 1, 0 },
 		{ "DDR VTT",		 2, 0, 10, 1, 0 },
@@ -398,7 +401,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "AUX3 Fan",		36, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x0016, "AW9D-MAX", {
+	{ 0x0016, NULL /* AW9D-MAX, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR2",		 1, 0, 20, 1, 0 },
 		{ "DDR2 VTT",		 2, 0, 10, 1, 0 },
@@ -426,7 +429,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "OTES1 Fan",		38, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x0017, "unknown", {
+	{ 0x0017, NULL /* Unknown, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR2",		 1, 0, 20, 1, 0 },
 		{ "DDR2 VTT",		 2, 0, 10, 1, 0 },
@@ -451,7 +454,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "AUX3 FAN",		37, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x0018, "unknown", {
+	{ 0x0018, NULL /* Unknown, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR2",		 1, 0, 20, 1, 0 },
 		{ "DDR2 VTT",		 2, 0, 10, 1, 0 },
@@ -478,7 +481,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "AUX3 Fan",		36, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x0019, "unknown", {
+	{ 0x0019, NULL /* Unknown, need DMI string */, {
 		{ "CPU Core",		 7, 0, 10, 1, 0 },
 		{ "DDR2",		13, 0, 20, 1, 0 },
 		{ "DDR2 VTT",		14, 0, 10, 1, 0 },
@@ -505,7 +508,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "AUX3 FAN",		36, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x001A, "Abit IP35 Pro", {
+	{ 0x001A, "IP35 Pro(Intel P35-ICH9R)", {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR2",		 1, 0, 20, 1, 0 },
 		{ "DDR2 VTT",		 2, 0, 10, 1, 0 },
@@ -533,7 +536,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "AUX4 Fan",		37, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x001B, "unknown", {
+	{ 0x001B, NULL /* Unknown, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR3",		 1, 0, 20, 1, 0 },
 		{ "DDR3 VTT",		 2, 0, 10, 1, 0 },
@@ -560,7 +563,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
 		{ "AUX3 Fan",		36, 2, 60, 1, 0 },
 		{ NULL, 0, 0, 0, 0, 0 } }
 	},
-	{ 0x001C, "unknown", {
+	{ 0x001C, NULL /* Unknown, need DMI string */, {
 		{ "CPU Core",		 0, 0, 10, 1, 0 },
 		{ "DDR2",		 1, 0, 20, 1, 0 },
 		{ "DDR2 VTT",		 2, 0, 10, 1, 0 },
@@ -935,9 +938,18 @@ static int __devinit abituguru3_probe(struct platform_device *pdev)
 		goto abituguru3_probe_error;
 	}
 	data->sensors = abituguru3_motherboards[i].sensors;
+
 	printk(KERN_INFO ABIT_UGURU3_NAME ": found Abit uGuru3, motherboard "
-		"ID: %04X (%s)\n", (unsigned int)id,
-		abituguru3_motherboards[i].name);
+		"ID: %04X\n", (unsigned int)id);
+
+#ifdef CONFIG_DMI
+	if (!abituguru3_motherboards[i].dmi_name) {
+		printk(KERN_WARNING ABIT_UGURU3_NAME ": this motherboard was "
+			"not detected using DMI. Please send the output of "
+			"\"dmidecode\" to the abituguru3 maintainer"
+			"(see MAINTAINERS)\n");
+	}
+#endif
 
 	/* Fill the sysfs attr array */
 	sysfs_attr_i = 0;
@@ -1109,6 +1121,46 @@ static struct platform_driver abituguru3_driver = {
 	.resume = abituguru3_resume
 };
 
+#ifdef CONFIG_DMI
+
+static int __init abituguru3_dmi_detect(void)
+{
+	const char *board_vendor, *board_name;
+	int i, err = (force) ? 1 : -ENODEV;
+
+	board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR);
+	if (!board_vendor || strcmp(board_vendor, "http://www.abit.com.tw/"))
+		return err;
+
+	board_name = dmi_get_system_info(DMI_BOARD_NAME);
+	if (!board_name)
+		return err;
+
+	for (i = 0; abituguru3_motherboards[i].id; i++) {
+		const char *dmi_name = abituguru3_motherboards[i].dmi_name;
+		if (dmi_name && !strcmp(dmi_name, board_name))
+			break;
+	}
+
+	if (!abituguru3_motherboards[i].id)
+		return 1;
+
+	return 0;
+}
+
+#else /* !CONFIG_DMI */
+
+static inline int abituguru3_dmi_detect(void)
+{
+	return -ENODEV;
+}
+
+#endif /* CONFIG_DMI */
+
+/* FIXME: Manual detection should die eventually; we need to collect stable
+ *        DMI model names first before we can rely entirely on CONFIG_DMI.
+ */
+
 static int __init abituguru3_detect(void)
 {
 	/* See if there is an uguru3 there. An idle uGuru3 will hold 0x00 or
@@ -1119,7 +1171,7 @@ static int __init abituguru3_detect(void)
 	if (((data_val == 0x00) || (data_val == 0x08)) &&
 			((cmd_val == 0xAC) || (cmd_val == 0x05) ||
 			 (cmd_val == 0x55)))
-		return ABIT_UGURU3_BASE;
+		return 0;
 
 	ABIT_UGURU3_DEBUG("no Abit uGuru3 found, data = 0x%02X, cmd = "
 		"0x%02X\n", (unsigned int)data_val, (unsigned int)cmd_val);
@@ -1127,7 +1179,7 @@ static int __init abituguru3_detect(void)
 	if (force) {
 		printk(KERN_INFO ABIT_UGURU3_NAME ": Assuming Abit uGuru3 is "
 				"present because of \"force\" parameter\n");
-		return ABIT_UGURU3_BASE;
+		return 0;
 	}
 
 	/* No uGuru3 found */
@@ -1138,27 +1190,29 @@ static struct platform_device *abituguru3_pdev;
 
 static int __init abituguru3_init(void)
 {
-	int address, err;
 	struct resource res = { .flags = IORESOURCE_IO };
-
-#ifdef CONFIG_DMI
-	const char *board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR);
-
-	/* safety check, refuse to load on non Abit motherboards */
-	if (!force && (!board_vendor ||
-			strcmp(board_vendor, "http://www.abit.com.tw/")))
-		return -ENODEV;
-#endif
-
-	address = abituguru3_detect();
-	if (address < 0)
-		return address;
+	int err;
+
+	/* Attempt DMI detection first */
+	err = abituguru3_dmi_detect();
+	if (err < 0)
+		return err;
+
+	/* Fall back to manual detection if there was no exact
+	 * board name match, or force was specified.
+	 */
+	if (err > 0) {
+		err = abituguru3_detect();
+		if (err)
+			return err;
+	}
 
 	err = platform_driver_register(&abituguru3_driver);
 	if (err)
 		goto exit;
 
-	abituguru3_pdev = platform_device_alloc(ABIT_UGURU3_NAME, address);
+	abituguru3_pdev = platform_device_alloc(ABIT_UGURU3_NAME,
+						ABIT_UGURU3_BASE);
 	if (!abituguru3_pdev) {
 		printk(KERN_ERR ABIT_UGURU3_NAME
 			": Device allocation failed\n");
@@ -1166,8 +1220,8 @@ static int __init abituguru3_init(void)
 		goto exit_driver_unregister;
 	}
 
-	res.start = address;
-	res.end = address + ABIT_UGURU3_REGION_LENGTH - 1;
+	res.start = ABIT_UGURU3_BASE;
+	res.end = ABIT_UGURU3_BASE + ABIT_UGURU3_REGION_LENGTH - 1;
 	res.name = ABIT_UGURU3_NAME;
 
 	err = platform_device_add_resources(abituguru3_pdev, &res, 1);
diff --git a/drivers/hwmon/adcxx.c b/drivers/hwmon/adcxx.c
new file mode 100644
index 00000000000..242294db3db
--- /dev/null
+++ b/drivers/hwmon/adcxx.c
@@ -0,0 +1,329 @@
+/*
+ * adcxx.c
+ *
+ * The adcxx4s is an AD converter family from National Semiconductor (NS).
+ *
+ * Copyright (c) 2008 Marc Pignat <marc.pignat@hevs.ch>
+ *
+ * The adcxx4s communicates with a host processor via an SPI/Microwire Bus
+ * interface. This driver supports the whole family of devices with name
+ * ADC<bb><c>S<sss>, where
+ * * bb is the resolution in number of bits (8, 10, 12)
+ * * c is the number of channels (1, 2, 4, 8)
+ * * sss is the maximum conversion speed (021 for 200 kSPS, 051 for 500 kSPS
+ *   and 101 for 1 MSPS)
+ *
+ * Complete datasheets are available at National's website here:
+ * http://www.national.com/ds/DC/ADC<bb><c>S<sss>.pdf
+ *
+ * Handling of 8, 10 and 12 bits converters are the same, the
+ * unavailable bits are 0 :)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/sysfs.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/mutex.h>
+#include <linux/spi/spi.h>
+
+#define DRVNAME		"adcxx"
+
+struct adcxx {
+	struct device *hwmon_dev;
+	struct mutex lock;
+	u32 channels;
+	u32 reference; /* in millivolts */
+};
+
+/* sysfs hook function */
+static ssize_t adcxx_read(struct device *dev,
+		struct device_attribute *devattr, char *buf)
+{
+	struct spi_device *spi = to_spi_device(dev);
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct adcxx *adc = dev_get_drvdata(&spi->dev);
+	u8 tx_buf[2] = { attr->index << 3 }; /* other bits are don't care */
+	u8 rx_buf[2];
+	int status;
+	int value;
+
+	if (mutex_lock_interruptible(&adc->lock))
+		return -ERESTARTSYS;
+
+	status = spi_write_then_read(spi, tx_buf, sizeof(tx_buf),
+					rx_buf, sizeof(rx_buf));
+	if (status < 0) {
+		dev_warn(dev, "spi_write_then_read failed with status %d\n",
+				status);
+		goto out;
+	}
+
+	value = (rx_buf[0] << 8) + rx_buf[1];
+	dev_dbg(dev, "raw value = 0x%x\n", value);
+
+	value = value * adc->reference >> 12;
+	status = sprintf(buf, "%d\n", value);
+out:
+	mutex_unlock(&adc->lock);
+	return status;
+}
+
+static ssize_t adcxx_show_min(struct device *dev,
+		struct device_attribute *devattr, char *buf)
+{
+	/* The minimum reference is 0 for this chip family */
+	return sprintf(buf, "0\n");
+}
+
+static ssize_t adcxx_show_max(struct device *dev,
+		struct device_attribute *devattr, char *buf)
+{
+	struct spi_device *spi = to_spi_device(dev);
+	struct adcxx *adc = dev_get_drvdata(&spi->dev);
+	u32 reference;
+
+	if (mutex_lock_interruptible(&adc->lock))
+		return -ERESTARTSYS;
+
+	reference = adc->reference;
+
+	mutex_unlock(&adc->lock);
+
+	return sprintf(buf, "%d\n", reference);
+}
+
+static ssize_t adcxx_set_max(struct device *dev,
+	struct device_attribute *devattr, const char *buf, size_t count)
+{
+	struct spi_device *spi = to_spi_device(dev);
+	struct adcxx *adc = dev_get_drvdata(&spi->dev);
+	unsigned long value;
+
+	if (strict_strtoul(buf, 10, &value))
+		return -EINVAL;
+
+	if (mutex_lock_interruptible(&adc->lock))
+		return -ERESTARTSYS;
+
+	adc->reference = value;
+
+	mutex_unlock(&adc->lock);
+
+	return count;
+}
+
+static ssize_t adcxx_show_name(struct device *dev, struct device_attribute
+			      *devattr, char *buf)
+{
+	struct spi_device *spi = to_spi_device(dev);
+	struct adcxx *adc = dev_get_drvdata(&spi->dev);
+
+	return sprintf(buf, "adcxx%ds\n", adc->channels);
+}
+
+static struct sensor_device_attribute ad_input[] = {
+	SENSOR_ATTR(name, S_IRUGO, adcxx_show_name, NULL, 0),
+	SENSOR_ATTR(in_min, S_IRUGO, adcxx_show_min, NULL, 0),
+	SENSOR_ATTR(in_max, S_IWUSR | S_IRUGO, adcxx_show_max,
+					adcxx_set_max, 0),
+	SENSOR_ATTR(in0_input, S_IRUGO, adcxx_read, NULL, 0),
+	SENSOR_ATTR(in1_input, S_IRUGO, adcxx_read, NULL, 1),
+	SENSOR_ATTR(in2_input, S_IRUGO, adcxx_read, NULL, 2),
+	SENSOR_ATTR(in3_input, S_IRUGO, adcxx_read, NULL, 3),
+	SENSOR_ATTR(in4_input, S_IRUGO, adcxx_read, NULL, 4),
+	SENSOR_ATTR(in5_input, S_IRUGO, adcxx_read, NULL, 5),
+	SENSOR_ATTR(in6_input, S_IRUGO, adcxx_read, NULL, 6),
+	SENSOR_ATTR(in7_input, S_IRUGO, adcxx_read, NULL, 7),
+};
+
+/*----------------------------------------------------------------------*/
+
+static int __devinit adcxx_probe(struct spi_device *spi, int channels)
+{
+	struct adcxx *adc;
+	int status;
+	int i;
+
+	adc = kzalloc(sizeof *adc, GFP_KERNEL);
+	if (!adc)
+		return -ENOMEM;
+
+	/* set a default value for the reference */
+	adc->reference = 3300;
+	adc->channels = channels;
+	mutex_init(&adc->lock);
+
+	mutex_lock(&adc->lock);
+
+	dev_set_drvdata(&spi->dev, adc);
+
+	for (i = 0; i < 3 + adc->channels; i++) {
+		status = device_create_file(&spi->dev, &ad_input[i].dev_attr);
+		if (status) {
+			dev_err(&spi->dev, "device_create_file failed.\n");
+			goto out_err;
+		}
+	}
+
+	adc->hwmon_dev = hwmon_device_register(&spi->dev);
+	if (IS_ERR(adc->hwmon_dev)) {
+		dev_err(&spi->dev, "hwmon_device_register failed.\n");
+		status = PTR_ERR(adc->hwmon_dev);
+		goto out_err;
+	}
+
+	mutex_unlock(&adc->lock);
+	return 0;
+
+out_err:
+	for (i--; i >= 0; i--)
+		device_remove_file(&spi->dev, &ad_input[i].dev_attr);
+
+	dev_set_drvdata(&spi->dev, NULL);
+	mutex_unlock(&adc->lock);
+	kfree(adc);
+	return status;
+}
+
+static int __devinit adcxx1s_probe(struct spi_device *spi)
+{
+	return adcxx_probe(spi, 1);
+}
+
+static int __devinit adcxx2s_probe(struct spi_device *spi)
+{
+	return adcxx_probe(spi, 2);
+}
+
+static int __devinit adcxx4s_probe(struct spi_device *spi)
+{
+	return adcxx_probe(spi, 4);
+}
+
+static int __devinit adcxx8s_probe(struct spi_device *spi)
+{
+	return adcxx_probe(spi, 8);
+}
+
+static int __devexit adcxx_remove(struct spi_device *spi)
+{
+	struct adcxx *adc = dev_get_drvdata(&spi->dev);
+	int i;
+
+	mutex_lock(&adc->lock);
+	hwmon_device_unregister(adc->hwmon_dev);
+	for (i = 0; i < 3 + adc->channels; i++)
+		device_remove_file(&spi->dev, &ad_input[i].dev_attr);
+
+	dev_set_drvdata(&spi->dev, NULL);
+	mutex_unlock(&adc->lock);
+	kfree(adc);
+
+	return 0;
+}
+
+static struct spi_driver adcxx1s_driver = {
+	.driver = {
+		.name	= "adcxx1s",
+		.owner	= THIS_MODULE,
+	},
+	.probe	= adcxx1s_probe,
+	.remove	= __devexit_p(adcxx_remove),
+};
+
+static struct spi_driver adcxx2s_driver = {
+	.driver = {
+		.name	= "adcxx2s",
+		.owner	= THIS_MODULE,
+	},
+	.probe	= adcxx2s_probe,
+	.remove	= __devexit_p(adcxx_remove),
+};
+
+static struct spi_driver adcxx4s_driver = {
+	.driver = {
+		.name	= "adcxx4s",
+		.owner	= THIS_MODULE,
+	},
+	.probe	= adcxx4s_probe,
+	.remove	= __devexit_p(adcxx_remove),
+};
+
+static struct spi_driver adcxx8s_driver = {
+	.driver = {
+		.name	= "adcxx8s",
+		.owner	= THIS_MODULE,
+	},
+	.probe	= adcxx8s_probe,
+	.remove	= __devexit_p(adcxx_remove),
+};
+
+static int __init init_adcxx(void)
+{
+	int status;
+	status = spi_register_driver(&adcxx1s_driver);
+	if (status)
+		goto reg_1_failed;
+
+	status = spi_register_driver(&adcxx2s_driver);
+	if (status)
+		goto reg_2_failed;
+
+	status = spi_register_driver(&adcxx4s_driver);
+	if (status)
+		goto reg_4_failed;
+
+	status = spi_register_driver(&adcxx8s_driver);
+	if (status)
+		goto reg_8_failed;
+
+	return status;
+
+reg_8_failed:
+	spi_unregister_driver(&adcxx4s_driver);
+reg_4_failed:
+	spi_unregister_driver(&adcxx2s_driver);
+reg_2_failed:
+	spi_unregister_driver(&adcxx1s_driver);
+reg_1_failed:
+	return status;
+}
+
+static void __exit exit_adcxx(void)
+{
+	spi_unregister_driver(&adcxx1s_driver);
+	spi_unregister_driver(&adcxx2s_driver);
+	spi_unregister_driver(&adcxx4s_driver);
+	spi_unregister_driver(&adcxx8s_driver);
+}
+
+module_init(init_adcxx);
+module_exit(exit_adcxx);
+
+MODULE_AUTHOR("Marc Pignat");
+MODULE_DESCRIPTION("National Semiconductor adcxx8sxxx Linux driver");
+MODULE_LICENSE("GPL");
+
+MODULE_ALIAS("adcxx1s");
+MODULE_ALIAS("adcxx2s");
+MODULE_ALIAS("adcxx4s");
+MODULE_ALIAS("adcxx8s");
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index aacc0c4b809..b06b8e090a2 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -98,6 +98,12 @@ static const char* temperature_sensors_sets[][36] = {
 	  "TH1P", "TH2P", "TH3P", "TMAP", "TMAS", "TMBS", "TM0P", "TM0S",
 	  "TM1P", "TM1S", "TM2P", "TM2S", "TM3S", "TM8P", "TM8S", "TM9P",
 	  "TM9S", "TN0H", "TS0C", NULL },
+/* Set 5: iMac */
+	{ "TC0D", "TA0P", "TG0P", "TG0D", "TG0H", "TH0P", "Tm0P", "TO0P",
+	  "Tp0C", NULL },
+/* Set 6: Macbook3 set */
+	{ "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TTF0", "TW0P", "Th0H",
+	  "Th0S", "Th1H", NULL },
 };
 
 /* List of keys used to read/write fan speeds */
@@ -1223,6 +1229,10 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = {
 	{ .accelerometer = 0, .light = 0, .temperature_set = 3 },
 /* MacPro: temperature set 4 */
 	{ .accelerometer = 0, .light = 0, .temperature_set = 4 },
+/* iMac: temperature set 5 */
+	{ .accelerometer = 0, .light = 0, .temperature_set = 5 },
+/* MacBook3: accelerometer and temperature set 6 */
+	{ .accelerometer = 1, .light = 0, .temperature_set = 6 },
 };
 
 /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1".
@@ -1232,10 +1242,14 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"MacBookPro") },
 		(void*)&applesmc_dmi_data[0]},
-	{ applesmc_dmi_match, "Apple MacBook", {
+	{ applesmc_dmi_match, "Apple MacBook (v2)", {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"MacBook2") },
 		(void*)&applesmc_dmi_data[1]},
+	{ applesmc_dmi_match, "Apple MacBook (v3)", {
+	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
+	  DMI_MATCH(DMI_PRODUCT_NAME,"MacBook3") },
+		(void*)&applesmc_dmi_data[6]},
 	{ applesmc_dmi_match, "Apple MacBook", {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"MacBook") },
@@ -1248,6 +1262,10 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"MacPro2") },
 		(void*)&applesmc_dmi_data[4]},
+	{ applesmc_dmi_match, "Apple iMac", {
+	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
+	  DMI_MATCH(DMI_PRODUCT_NAME,"iMac") },
+		(void*)&applesmc_dmi_data[5]},
 	{ .ident = NULL }
 };
 
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 70239acecc8..93c17223b52 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -413,10 +413,11 @@ static int __init coretemp_init(void)
 	for_each_online_cpu(i) {
 		struct cpuinfo_x86 *c = &cpu_data(i);
 
-		/* check if family 6, models 0xe, 0xf, 0x16, 0x17 */
+		/* check if family 6, models 0xe, 0xf, 0x16, 0x17, 0x1A */
 		if ((c->cpuid_level < 0) || (c->x86 != 0x6) ||
 		    !((c->x86_model == 0xe) || (c->x86_model == 0xf) ||
-			(c->x86_model == 0x16) || (c->x86_model == 0x17))) {
+			(c->x86_model == 0x16) || (c->x86_model == 0x17) ||
+			(c->x86_model == 0x1A))) {
 
 			/* supported CPU not found, but report the unknown
 			   family 6 CPU */
diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c
index 7b0a32c4dcf..c54eff92be4 100644
--- a/drivers/hwmon/hwmon-vid.c
+++ b/drivers/hwmon/hwmon-vid.c
@@ -37,13 +37,21 @@
  * For VRD 10.0 and up, "VRD x.y Design Guide",
  * available at http://developer.intel.com/.
  *
- * AMD NPT 0Fh (Athlon64 & Opteron), AMD Publication 32559,
+ * AMD Athlon 64 and AMD Opteron Processors, AMD Publication 26094,
+ * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/26094.PDF
+ * Table 74. VID Code Voltages
+ * This corresponds to an arbitrary VRM code of 24 in the functions below.
+ * These CPU models (K8 revision <= E) have 5 VID pins. See also:
+ * Revision Guide for AMD Athlon 64 and AMD Opteron Processors, AMD Publication 25759,
+ * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/25759.pdf
+ *
+ * AMD NPT Family 0Fh Processors, AMD Publication 32559,
  * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/32559.pdf
  * Table 71. VID Code Voltages
- * AMD Opteron processors don't follow the Intel specifications.
- * I'm going to "make up" 2.4 as the spec number for the Opterons.
- * No good reason just a mnemonic for the 24x Opteron processor
- * series.
+ * This corresponds to an arbitrary VRM code of 25 in the functions below.
+ * These CPU models (K8 revision >= F) have 6 VID pins. See also:
+ * Revision Guide for AMD NPT Family 0Fh Processors, AMD Publication 33610,
+ * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/33610.pdf
  *
  * The 17 specification is in fact Intel Mobile Voltage Positioning -
  * (IMVP-II). You can find more information in the datasheet of Max1718
@@ -95,7 +103,12 @@ int vid_from_reg(int val, u8 vrm)
 			return 0;
 		return((1600000 - (val - 2) * 6250 + 500) / 1000);
 
-	case 24:		/* AMD NPT 0Fh (Athlon64 & Opteron) */
+	case 24:		/* Athlon64 & Opteron */
+		val &= 0x1f;
+		if (val == 0x1f)
+			return 0;
+				/* fall through */
+	case 25:		/* AMD NPT 0Fh */
 		val &= 0x3f;
 		return (val < 32) ? 1550 - 25 * val
 			: 775 - (25 * (val - 31)) / 2;
@@ -157,11 +170,16 @@ struct vrm_model {
 
 #ifdef CONFIG_X86
 
-/* the stepping parameter is highest acceptable stepping for current line */
+/*
+ * The stepping parameter is highest acceptable stepping for current line.
+ * The model match must be exact for 4-bit values. For model values 0x10
+ * and above (extended model), all models below the parameter will match.
+ */
 
 static struct vrm_model vrm_models[] = {
 	{X86_VENDOR_AMD, 0x6, ANY, ANY, 90},		/* Athlon Duron etc */
-	{X86_VENDOR_AMD, 0xF, ANY, ANY, 24},		/* Athlon 64, Opteron and above VRM 24 */
+	{X86_VENDOR_AMD, 0xF, 0x3F, ANY, 24},		/* Athlon 64, Opteron */
+	{X86_VENDOR_AMD, 0xF, ANY, ANY, 25},		/* NPT family 0Fh */
 	{X86_VENDOR_INTEL, 0x6, 0x9, ANY, 13},		/* Pentium M (130 nm) */
 	{X86_VENDOR_INTEL, 0x6, 0xB, ANY, 85},		/* Tualatin */
 	{X86_VENDOR_INTEL, 0x6, 0xD, ANY, 13},		/* Pentium M (90 nm) */
@@ -189,6 +207,8 @@ static u8 find_vrm(u8 eff_family, u8 eff_model, u8 eff_stepping, u8 vendor)
 		if (vrm_models[i].vendor==vendor)
 			if ((vrm_models[i].eff_family==eff_family)
 			 && ((vrm_models[i].eff_model==eff_model) ||
+			     (vrm_models[i].eff_model >= 0x10 &&
+			      eff_model <= vrm_models[i].eff_model) ||
 			     (vrm_models[i].eff_model==ANY)) &&
 			     (eff_stepping <= vrm_models[i].eff_stepping))
 				return vrm_models[i].vrm_type;
diff --git a/drivers/hwmon/i5k_amb.c b/drivers/hwmon/i5k_amb.c
index f9e2ed621f7..2ede9388096 100644
--- a/drivers/hwmon/i5k_amb.c
+++ b/drivers/hwmon/i5k_amb.c
@@ -81,6 +81,8 @@ static unsigned long amb_reg_temp(unsigned int amb)
 #define MAX_AMBS_PER_CHANNEL		16
 #define MAX_AMBS			(MAX_MEM_CHANNELS * \
 					 MAX_AMBS_PER_CHANNEL)
+#define CHANNEL_SHIFT			4
+#define DIMM_MASK			0xF
 /*
  * Ugly hack: For some reason the highest bit is set if there
  * are _any_ DIMMs in the channel.  Attempting to read from
@@ -89,7 +91,7 @@ static unsigned long amb_reg_temp(unsigned int amb)
  * might prevent us from seeing the 16th DIMM in the channel.
  */
 #define REAL_MAX_AMBS_PER_CHANNEL	15
-#define KNOBS_PER_AMB			5
+#define KNOBS_PER_AMB			6
 
 static unsigned long amb_num_from_reg(unsigned int byte_num, unsigned int bit)
 {
@@ -238,6 +240,16 @@ static ssize_t show_amb_temp(struct device *dev,
 		500 * amb_read_byte(data, amb_reg_temp(attr->index)));
 }
 
+static ssize_t show_label(struct device *dev,
+			  struct device_attribute *devattr,
+			  char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+
+	return sprintf(buf, "Ch. %d DIMM %d\n", attr->index >> CHANNEL_SHIFT,
+		       attr->index & DIMM_MASK);
+}
+
 static int __devinit i5k_amb_hwmon_init(struct platform_device *pdev)
 {
 	int i, j, k, d = 0;
@@ -268,6 +280,20 @@ static int __devinit i5k_amb_hwmon_init(struct platform_device *pdev)
 				continue;
 			d++;
 
+			/* sysfs label */
+			iattr = data->attrs + data->num_attrs;
+			snprintf(iattr->name, AMB_SYSFS_NAME_LEN,
+				 "temp%d_label", d);
+			iattr->s_attr.dev_attr.attr.name = iattr->name;
+			iattr->s_attr.dev_attr.attr.mode = S_IRUGO;
+			iattr->s_attr.dev_attr.show = show_label;
+			iattr->s_attr.index = k;
+			res = device_create_file(&pdev->dev,
+						 &iattr->s_attr.dev_attr);
+			if (res)
+				goto exit_remove;
+			data->num_attrs++;
+
 			/* Temperature sysfs knob */
 			iattr = data->attrs + data->num_attrs;
 			snprintf(iattr->name, AMB_SYSFS_NAME_LEN,
diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c
index c9416e65748..0f70dc20410 100644
--- a/drivers/hwmon/ibmaem.c
+++ b/drivers/hwmon/ibmaem.c
@@ -1,6 +1,6 @@
 /*
- * A hwmon driver for the IBM Active Energy Manager temperature/power sensors
- * and capping functionality.
+ * A hwmon driver for the IBM System Director Active Energy Manager (AEM)
+ * temperature/power/energy sensors and capping functionality.
  * Copyright (C) 2008 IBM
  *
  * Author: Darrick J. Wong <djwong@us.ibm.com>
@@ -463,12 +463,18 @@ static int aem_read_sensor(struct aem_data *data, u8 elt, u8 reg,
 }
 
 /* Update AEM energy registers */
+static void update_aem_energy_one(struct aem_data *data, int which)
+{
+	aem_read_sensor(data, AEM_ENERGY_ELEMENT, which,
+			&data->energy[which], 8);
+}
+
 static void update_aem_energy(struct aem_data *data)
 {
-	aem_read_sensor(data, AEM_ENERGY_ELEMENT, 0, &data->energy[0], 8);
+	update_aem_energy_one(data, 0);
 	if (data->ver_major < 2)
 		return;
-	aem_read_sensor(data, AEM_ENERGY_ELEMENT, 1, &data->energy[1], 8);
+	update_aem_energy_one(data, 1);
 }
 
 /* Update all AEM1 sensors */
@@ -676,7 +682,8 @@ static int aem_find_aem2(struct aem_ipmi_data *data,
 		return -ETIMEDOUT;
 
 	if (data->rx_result || data->rx_msg_len != sizeof(*fi_resp) ||
-	    memcmp(&fi_resp->id, &system_x_id, sizeof(system_x_id)))
+	    memcmp(&fi_resp->id, &system_x_id, sizeof(system_x_id)) ||
+	    fi_resp->num_instances <= instance_num)
 		return -ENOENT;
 
 	return 0;
@@ -849,7 +856,7 @@ static ssize_t aem_show_power(struct device *dev,
 	struct timespec b, a;
 
 	mutex_lock(&data->lock);
-	update_aem_energy(data);
+	update_aem_energy_one(data, attr->index);
 	getnstimeofday(&b);
 	before = data->energy[attr->index];
 
@@ -861,7 +868,7 @@ static ssize_t aem_show_power(struct device *dev,
 		return 0;
 	}
 
-	update_aem_energy(data);
+	update_aem_energy_one(data, attr->index);
 	getnstimeofday(&a);
 	after = data->energy[attr->index];
 	mutex_unlock(&data->lock);
@@ -880,7 +887,9 @@ static ssize_t aem_show_energy(struct device *dev,
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct aem_data *a = dev_get_drvdata(dev);
-	a->update(a);
+	mutex_lock(&a->lock);
+	update_aem_energy_one(a, attr->index);
+	mutex_unlock(&a->lock);
 
 	return sprintf(buf, "%llu\n",
 			(unsigned long long)a->energy[attr->index] * 1000);
@@ -1104,7 +1113,7 @@ static void __exit aem_exit(void)
 }
 
 MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>");
-MODULE_DESCRIPTION("IBM Active Energy Manager power/temp sensor driver");
+MODULE_DESCRIPTION("IBM AEM power/temp/energy sensor driver");
 MODULE_LICENSE("GPL");
 
 module_init(aem_init);
diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
index daa7d121483..de21142d106 100644
--- a/drivers/hwmon/w83791d.c
+++ b/drivers/hwmon/w83791d.c
@@ -1055,9 +1055,10 @@ static int w83791d_probe(struct i2c_client *client,
 {
 	struct w83791d_data *data;
 	struct device *dev = &client->dev;
-	int i, val1, err;
+	int i, err;
 
 #ifdef DEBUG
+	int val1;
 	val1 = w83791d_read(client, W83791D_REG_DID_VID4);
 	dev_dbg(dev, "Device ID version: %d.%d (0x%02x)\n",
 			(val1 >> 5) & 0x07, (val1 >> 1) & 0x0f, val1);