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path: root/drivers/hwmon
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-rw-r--r--drivers/hwmon/Kconfig2
-rw-r--r--drivers/hwmon/coretemp.c56
-rw-r--r--drivers/hwmon/lis3lv02d.c4
-rw-r--r--drivers/hwmon/pkgtemp.c23
4 files changed, 46 insertions, 39 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 4d4d09b..97499d0 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -409,7 +409,7 @@ config SENSORS_CORETEMP
config SENSORS_PKGTEMP
tristate "Intel processor package temperature sensor"
- depends on X86 && PCI && EXPERIMENTAL
+ depends on X86 && EXPERIMENTAL
help
If you say yes here you get support for the package level temperature
sensor inside your CPU. Check documentation/driver for details.
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index de81111..baa842a 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -423,9 +423,18 @@ static int __cpuinit coretemp_device_add(unsigned int cpu)
int err;
struct platform_device *pdev;
struct pdev_entry *pdev_entry;
-#ifdef CONFIG_SMP
struct cpuinfo_x86 *c = &cpu_data(cpu);
-#endif
+
+ /*
+ * CPUID.06H.EAX[0] indicates whether the CPU has thermal
+ * sensors. We check this bit only, all the early CPUs
+ * without thermal sensors will be filtered out.
+ */
+ if (!cpu_has(c, X86_FEATURE_DTS)) {
+ printk(KERN_INFO DRVNAME ": CPU (model=0x%x)"
+ " has no thermal sensor.\n", c->x86_model);
+ return 0;
+ }
mutex_lock(&pdev_list_mutex);
@@ -482,14 +491,22 @@ exit:
static void coretemp_device_remove(unsigned int cpu)
{
- struct pdev_entry *p, *n;
+ struct pdev_entry *p;
+ unsigned int i;
+
mutex_lock(&pdev_list_mutex);
- list_for_each_entry_safe(p, n, &pdev_list, list) {
- if (p->cpu == cpu) {
- platform_device_unregister(p->pdev);
- list_del(&p->list);
- kfree(p);
- }
+ list_for_each_entry(p, &pdev_list, list) {
+ if (p->cpu != cpu)
+ continue;
+
+ platform_device_unregister(p->pdev);
+ list_del(&p->list);
+ mutex_unlock(&pdev_list_mutex);
+ kfree(p);
+ for_each_cpu(i, cpu_sibling_mask(cpu))
+ if (i != cpu && !coretemp_device_add(i))
+ break;
+ return;
}
mutex_unlock(&pdev_list_mutex);
}
@@ -527,30 +544,21 @@ static int __init coretemp_init(void)
if (err)
goto exit;
- for_each_online_cpu(i) {
- struct cpuinfo_x86 *c = &cpu_data(i);
- /*
- * CPUID.06H.EAX[0] indicates whether the CPU has thermal
- * sensors. We check this bit only, all the early CPUs
- * without thermal sensors will be filtered out.
- */
- if (c->cpuid_level >= 6 && (cpuid_eax(0x06) & 0x01))
- coretemp_device_add(i);
- else {
- printk(KERN_INFO DRVNAME ": CPU (model=0x%x)"
- " has no thermal sensor.\n", c->x86_model);
- }
- }
+ for_each_online_cpu(i)
+ coretemp_device_add(i);
+
+#ifndef CONFIG_HOTPLUG_CPU
if (list_empty(&pdev_list)) {
err = -ENODEV;
goto exit_driver_unreg;
}
+#endif
register_hotcpu_notifier(&coretemp_cpu_notifier);
return 0;
-exit_driver_unreg:
#ifndef CONFIG_HOTPLUG_CPU
+exit_driver_unreg:
platform_driver_unregister(&coretemp_driver);
#endif
exit:
diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c
index 6138f03..fc591ae 100644
--- a/drivers/hwmon/lis3lv02d.c
+++ b/drivers/hwmon/lis3lv02d.c
@@ -277,7 +277,7 @@ static irqreturn_t lis302dl_interrupt(int irq, void *dummy)
wake_up_interruptible(&lis3_dev.misc_wait);
kill_fasync(&lis3_dev.async_queue, SIGIO, POLL_IN);
out:
- if (lis3_dev.whoami == WAI_8B && lis3_dev.idev &&
+ if (lis3_dev.pdata && lis3_dev.whoami == WAI_8B && lis3_dev.idev &&
lis3_dev.idev->input->users)
return IRQ_WAKE_THREAD;
return IRQ_HANDLED;
@@ -718,7 +718,7 @@ int lis3lv02d_init_device(struct lis3lv02d *dev)
* io-apic is not configurable (and generates a warning) but I keep it
* in case of support for other hardware.
*/
- if (dev->whoami == WAI_8B)
+ if (dev->pdata && dev->whoami == WAI_8B)
thread_fn = lis302dl_interrupt_thread1_8b;
else
thread_fn = NULL;
diff --git a/drivers/hwmon/pkgtemp.c b/drivers/hwmon/pkgtemp.c
index 74157fc..f119039 100644
--- a/drivers/hwmon/pkgtemp.c
+++ b/drivers/hwmon/pkgtemp.c
@@ -33,7 +33,6 @@
#include <linux/list.h>
#include <linux/platform_device.h>
#include <linux/cpu.h>
-#include <linux/pci.h>
#include <asm/msr.h>
#include <asm/processor.h>
@@ -224,7 +223,7 @@ static int __devinit pkgtemp_probe(struct platform_device *pdev)
err = sysfs_create_group(&pdev->dev.kobj, &pkgtemp_group);
if (err)
- goto exit_free;
+ goto exit_dev;
data->hwmon_dev = hwmon_device_register(&pdev->dev);
if (IS_ERR(data->hwmon_dev)) {
@@ -238,6 +237,8 @@ static int __devinit pkgtemp_probe(struct platform_device *pdev)
exit_class:
sysfs_remove_group(&pdev->dev.kobj, &pkgtemp_group);
+exit_dev:
+ device_remove_file(&pdev->dev, &sensor_dev_attr_temp1_max.dev_attr);
exit_free:
kfree(data);
exit:
@@ -250,6 +251,7 @@ static int __devexit pkgtemp_remove(struct platform_device *pdev)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&pdev->dev.kobj, &pkgtemp_group);
+ device_remove_file(&pdev->dev, &sensor_dev_attr_temp1_max.dev_attr);
platform_set_drvdata(pdev, NULL);
kfree(data);
return 0;
@@ -281,9 +283,10 @@ static int __cpuinit pkgtemp_device_add(unsigned int cpu)
int err;
struct platform_device *pdev;
struct pdev_entry *pdev_entry;
-#ifdef CONFIG_SMP
struct cpuinfo_x86 *c = &cpu_data(cpu);
-#endif
+
+ if (!cpu_has(c, X86_FEATURE_PTS))
+ return 0;
mutex_lock(&pdev_list_mutex);
@@ -339,17 +342,18 @@ exit:
#ifdef CONFIG_HOTPLUG_CPU
static void pkgtemp_device_remove(unsigned int cpu)
{
- struct pdev_entry *p, *n;
+ struct pdev_entry *p;
unsigned int i;
int err;
mutex_lock(&pdev_list_mutex);
- list_for_each_entry_safe(p, n, &pdev_list, list) {
+ list_for_each_entry(p, &pdev_list, list) {
if (p->cpu != cpu)
continue;
platform_device_unregister(p->pdev);
list_del(&p->list);
+ mutex_unlock(&pdev_list_mutex);
kfree(p);
for_each_cpu(i, cpu_core_mask(cpu)) {
if (i != cpu) {
@@ -358,7 +362,7 @@ static void pkgtemp_device_remove(unsigned int cpu)
break;
}
}
- break;
+ return;
}
mutex_unlock(&pdev_list_mutex);
}
@@ -399,11 +403,6 @@ static int __init pkgtemp_init(void)
goto exit;
for_each_online_cpu(i) {
- struct cpuinfo_x86 *c = &cpu_data(i);
-
- if (!cpu_has(c, X86_FEATURE_PTS))
- continue;
-
err = pkgtemp_device_add(i);
if (err)
goto exit_devices_unreg;
generated by cgit v0.10.2 at 2024-11-11 22:14:46 (GMT)