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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-29 13:44:34 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-29 13:44:34 -0700
commit358a9afc35d550db4f67b1c8336f5326244ceeda (patch)
treef655236e34eb0a5d527dbd972600dd76305897df /drivers
parent55663219378eecd6fccb319be27ce6737a535e4c (diff)
parent6996abf0962bb86b6285987a4698f6d275ff531f (diff)
Merge branch 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: hwmon/applesmc: Handle name file creation error and deletion hwmon/applesmc: Simplify dependencies hwmon-vid: Don't spam the logs when VRM version is missing hwmon/w83627hf: Be quiet when no chip is found hwmon/coretemp: Add more safety checks hwmon/ds1621: Fix swapped temperature limits
Diffstat (limited to 'drivers')
-rw-r--r--drivers/hwmon/Kconfig2
-rw-r--r--drivers/hwmon/applesmc.c7
-rw-r--r--drivers/hwmon/coretemp.c32
-rw-r--r--drivers/hwmon/ds1621.c8
-rw-r--r--drivers/hwmon/hwmon-vid.c4
-rw-r--r--drivers/hwmon/w83627hf.c4
6 files changed, 46 insertions, 11 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 4d1cb5b855d..13eea47dceb 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -620,7 +620,7 @@ config SENSORS_HDAPS
config SENSORS_APPLESMC
tristate "Apple SMC (Motion sensor, light sensor, keyboard backlight)"
- depends on HWMON && INPUT && X86
+ depends on INPUT && X86
select NEW_LEDS
select LEDS_CLASS
default n
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 366f4a1a2cb..fd1281f4220 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -1206,11 +1206,13 @@ static int __init applesmc_init(void)
}
ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_name.attr);
+ if (ret)
+ goto out_device;
/* Create key enumeration sysfs files */
ret = sysfs_create_group(&pdev->dev.kobj, &key_enumeration_group);
if (ret)
- goto out_device;
+ goto out_name;
/* create fan files */
count = applesmc_get_fan_count();
@@ -1310,6 +1312,8 @@ out_fan_1:
sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]);
out_key_enumeration:
sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group);
+out_name:
+ sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr);
out_device:
platform_device_unregister(pdev);
out_driver:
@@ -1335,6 +1339,7 @@ static void __exit applesmc_exit(void)
sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[0]);
sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]);
sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group);
+ sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr);
platform_device_unregister(pdev);
platform_driver_unregister(&applesmc_driver);
release_region(APPLESMC_DATA_PORT, APPLESMC_NR_PORTS);
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 75e3911810a..0328382df8f 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -176,6 +176,22 @@ static int __devinit coretemp_probe(struct platform_device *pdev)
goto exit_free;
}
+ /* Check if we have problem with errata AE18 of Core processors:
+ Readings might stop update when processor visited too deep sleep,
+ fixed for stepping D0 (6EC).
+ */
+
+ if ((c->x86_model == 0xe) && (c->x86_mask < 0xc)) {
+ /* check for microcode update */
+ rdmsr_on_cpu(data->id, MSR_IA32_UCODE_REV, &eax, &edx);
+ if (edx < 0x39) {
+ dev_err(&pdev->dev,
+ "Errata AE18 not fixed, update BIOS or "
+ "microcode of the CPU!\n");
+ goto exit_free;
+ }
+ }
+
/* Some processors have Tjmax 85 following magic should detect it
Intel won't disclose the information without signed NDA, but
individuals cannot sign it. Catch(ed) 22.
@@ -193,6 +209,19 @@ static int __devinit coretemp_probe(struct platform_device *pdev)
}
}
+ /* Intel says that above should not work for desktop Core2 processors,
+ but it seems to work. There is no other way how get the absolute
+ readings. Warn the user about this. First check if are desktop,
+ bit 50 of MSR_IA32_PLATFORM_ID should be 0.
+ */
+
+ rdmsr_safe_on_cpu(data->id, MSR_IA32_PLATFORM_ID, &eax, &edx);
+
+ if ((c->x86_model == 0xf) && (!(edx & 0x00040000))) {
+ dev_warn(&pdev->dev, "Using undocumented features, absolute "
+ "temperature might be wrong!\n");
+ }
+
platform_set_drvdata(pdev, data);
if ((err = sysfs_create_group(&pdev->dev.kobj, &coretemp_group)))
@@ -330,9 +359,6 @@ static int __init coretemp_init(void)
int i, err = -ENODEV;
struct pdev_entry *p, *n;
- printk(KERN_NOTICE DRVNAME ": This driver uses undocumented features "
- "of Core CPU. Temperature might be wrong!\n");
-
/* quick check if we run Intel */
if (cpu_data[0].x86_vendor != X86_VENDOR_INTEL)
goto exit;
diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index c849c0c6ee9..d5ac422d73b 100644
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -53,8 +53,8 @@ MODULE_PARM_DESC(polarity, "Output's polarity: 0 = active high, 1 = active low")
/* The DS1621 registers */
#define DS1621_REG_TEMP 0xAA /* word, RO */
-#define DS1621_REG_TEMP_MIN 0xA1 /* word, RW */
-#define DS1621_REG_TEMP_MAX 0xA2 /* word, RW */
+#define DS1621_REG_TEMP_MIN 0xA2 /* word, RW */
+#define DS1621_REG_TEMP_MAX 0xA1 /* word, RW */
#define DS1621_REG_CONF 0xAC /* byte, RW */
#define DS1621_COM_START 0xEE /* no data */
#define DS1621_COM_STOP 0x22 /* no data */
@@ -328,9 +328,9 @@ static struct ds1621_data *ds1621_update_client(struct device *dev)
/* reset alarms if necessary */
new_conf = data->conf;
- if (data->temp < data->temp_min)
+ if (data->temp > data->temp_min)
new_conf &= ~DS1621_ALARM_TEMP_LOW;
- if (data->temp > data->temp_max)
+ if (data->temp < data->temp_max)
new_conf &= ~DS1621_ALARM_TEMP_HIGH;
if (data->conf != new_conf)
ds1621_write_value(client, DS1621_REG_CONF,
diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c
index 5aab23b93e2..f17e771e42f 100644
--- a/drivers/hwmon/hwmon-vid.c
+++ b/drivers/hwmon/hwmon-vid.c
@@ -132,7 +132,9 @@ int vid_from_reg(int val, u8 vrm)
val &= 0x7f;
return(val > 0x77 ? 0 : (1500000 - (val * 12500) + 500) / 1000);
default: /* report 0 for unknown */
- printk(KERN_INFO "hwmon-vid: requested unknown VRM version\n");
+ if (vrm)
+ printk(KERN_WARNING "hwmon-vid: Requested unsupported "
+ "VRM version (%u)\n", (unsigned int)vrm);
return 0;
}
}
diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c
index a5b774b07cb..12cb40a975d 100644
--- a/drivers/hwmon/w83627hf.c
+++ b/drivers/hwmon/w83627hf.c
@@ -965,8 +965,10 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr,
case W687THF_DEVID:
sio_data->type = w83687thf;
break;
+ case 0xff: /* No device at all */
+ goto exit;
default:
- pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%x)\n", val);
+ pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
goto exit;
}