On Thu, 2008-04-10 at 16:19 +0800, Zhang, Rui wrote:
> From: Julia Lawall <julia@xxxxxxx>
>
> thermal_cooling_device_register used to return NULL if THERMAL is "n".
> As the ACPI fan, processor and video drivers SELECT the generic
> thermal in PATCH 01, this is not a problem any more.
>
This is refreshed after running the checkpatch script.
BTW: other patches have no such problems.
From: Julia Lawall <julia@xxxxxxx>
thermal_cooling_device_register used to return NULL if THERMAL is "n".
As the ACPI fan, processor and video drivers SELECT the generic
thermal in PATCH 01, this is not a problem any more.
Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
---
drivers/acpi/fan.c | 35 +++++++++++++++++------------------
drivers/acpi/processor_core.c | 31 +++++++++++++++----------------
drivers/acpi/video.c | 28 +++++++++++++---------------
drivers/misc/intel_menlow.c | 23 +++++++++--------------
4 files changed, 54 insertions(+), 63 deletions(-)
Index: linux-2.6/drivers/acpi/fan.c
===================================================================
--- linux-2.6.orig/drivers/acpi/fan.c
+++ linux-2.6/drivers/acpi/fan.c
@@ -260,24 +260,23 @@ static int acpi_fan_add(struct acpi_devi
result = PTR_ERR(cdev);
goto end;
}
- if (cdev) {
- printk(KERN_INFO PREFIX
- "%s is registered as cooling_device%d\n",
- device->dev.bus_id, cdev->id);
-
- acpi_driver_data(device) = cdev;
- result = sysfs_create_link(&device->dev.kobj,
- &cdev->device.kobj,
- "thermal_cooling");
- if (result)
- return result;
-
- result = sysfs_create_link(&cdev->device.kobj,
- &device->dev.kobj,
- "device");
- if (result)
- return result;
- }
+
+ printk(KERN_INFO PREFIX
+ "%s is registered as cooling_device%d\n",
+ device->dev.bus_id, cdev->id);
+
+ acpi_driver_data(device) = cdev;
+ result = sysfs_create_link(&device->dev.kobj,
+ &cdev->device.kobj,
+ "thermal_cooling");
+ if (result)
+ printk(KERN_ERR PREFIX "Create sysfs link\n");
+
+ result = sysfs_create_link(&cdev->device.kobj,
+ &device->dev.kobj,
+ "device");
+ if (result)
+ printk(KERN_ERR PREFIX "Create sysfs link\n");
result = acpi_fan_add_fs(device);
if (result)
Index: linux-2.6/drivers/acpi/processor_core.c
===================================================================
--- linux-2.6.orig/drivers/acpi/processor_core.c
+++ linux-2.6/drivers/acpi/processor_core.c
@@ -674,22 +674,21 @@ static int __cpuinit acpi_processor_star
result = PTR_ERR(pr->cdev);
goto end;
}
- if (pr->cdev) {
- printk(KERN_INFO PREFIX
- "%s is registered as cooling_device%d\n",
- device->dev.bus_id, pr->cdev->id);
-
- result = sysfs_create_link(&device->dev.kobj,
- &pr->cdev->device.kobj,
- "thermal_cooling");
- if (result)
- return result;
- result = sysfs_create_link(&pr->cdev->device.kobj,
- &device->dev.kobj,
- "device");
- if (result)
- return result;
- }
+
+ printk(KERN_INFO PREFIX
+ "%s is registered as cooling_device%d\n",
+ device->dev.bus_id, pr->cdev->id);
+
+ result = sysfs_create_link(&device->dev.kobj,
+ &pr->cdev->device.kobj,
+ "thermal_cooling");
+ if (result)
+ printk(KERN_ERR PREFIX "Create sysfs link\n");
+ result = sysfs_create_link(&pr->cdev->device.kobj,
+ &device->dev.kobj,
+ "device");
+ if (result)
+ printk(KERN_ERR PREFIX "Create sysfs link\n");
if (pr->flags.throttling) {
printk(KERN_INFO PREFIX "%s [%s] (supports",
Index: linux-2.6/drivers/acpi/video.c
===================================================================
--- linux-2.6.orig/drivers/acpi/video.c
+++ linux-2.6/drivers/acpi/video.c
@@ -734,21 +734,19 @@ static void acpi_video_device_find_cap(s
if (IS_ERR(device->cdev))
return;
- if (device->cdev) {
- printk(KERN_INFO PREFIX
- "%s is registered as cooling_device%d\n",
- device->dev->dev.bus_id, device->cdev->id);
- result = sysfs_create_link(&device->dev->dev.kobj,
- &device->cdev->device.kobj,
- "thermal_cooling");
- if (result)
- printk(KERN_ERR PREFIX "Create sysfs link\n");
- result = sysfs_create_link(&device->cdev->device.kobj,
- &device->dev->dev.kobj,
- "device");
- if (result)
- printk(KERN_ERR PREFIX "Create sysfs link\n");
- }
+ printk(KERN_INFO PREFIX
+ "%s is registered as cooling_device%d\n",
+ device->dev->dev.bus_id, device->cdev->id);
+ result = sysfs_create_link(&device->dev->dev.kobj,
+ &device->cdev->device.kobj,
+ "thermal_cooling");
+ if (result)
+ printk(KERN_ERR PREFIX "Create sysfs link\n");
+ result = sysfs_create_link(&device->cdev->device.kobj,
+ &device->dev->dev.kobj, "device");
+ if (result)
+ printk(KERN_ERR PREFIX "Create sysfs link\n");
+
}
if (device->cap._DCS && device->cap._DSS){
static int count = 0;
Index: linux-2.6/drivers/misc/intel_menlow.c
===================================================================
--- linux-2.6.orig/drivers/misc/intel_menlow.c
+++ linux-2.6/drivers/misc/intel_menlow.c
@@ -175,20 +175,15 @@ static int intel_menlow_memory_add(struc
goto end;
}
- if (cdev) {
- acpi_driver_data(device) = cdev;
- result = sysfs_create_link(&device->dev.kobj,
- &cdev->device.kobj, "thermal_cooling");
- if (result)
- goto unregister;
-
- result = sysfs_create_link(&cdev->device.kobj,
- &device->dev.kobj, "device");
- if (result) {
- sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
- goto unregister;
- }
- }
+ acpi_driver_data(device) = cdev;
+ result = sysfs_create_link(&device->dev.kobj,
+ &cdev->device.kobj, "thermal_cooling");
+ if (result)
+ printk(KERN_ERR PREFIX "Create sysfs link\n");
+ result = sysfs_create_link(&cdev->device.kobj,
+ &device->dev.kobj, "device");
+ if (result)
+ printk(KERN_ERR PREFIX "Create sysfs link\n");
end:
return result;
--
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