lkml.org 
[lkml]   [2004]   [Jan]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
SubjectRe: [PATCH] Driver Core update and fixes for 2.6.1
Date
From
ChangeSet 1.1496, 2004/01/19 16:31:36-08:00, hollisb@us.ibm.com

[PATCH] Driver Core: add device_find() function

Greg KH wrote:
>
> How about just adding a device_find() function to the driver core, where
> you pass in a name and a type, so that others can use it?

Something like this?


drivers/base/core.c | 9 +++++++++
include/linux/device.h | 1 +
2 files changed, 10 insertions(+)


diff -Nru a/drivers/base/core.c b/drivers/base/core.c
--- a/drivers/base/core.c Mon Jan 19 17:05:19 2004
+++ b/drivers/base/core.c Mon Jan 19 17:05:19 2004
@@ -400,6 +400,14 @@
return error;
}

+struct device *device_find(const char *name, struct bus_type *bus)
+{
+ struct kobject *k = kset_find_obj(&bus->devices, name);
+ if (k)
+ return to_dev(k);
+ return NULL;
+}
+
int __init devices_init(void)
{
return subsystem_register(&devices_subsys);
@@ -416,6 +424,7 @@
EXPORT_SYMBOL(device_unregister_wait);
EXPORT_SYMBOL(get_device);
EXPORT_SYMBOL(put_device);
+EXPORT_SYMBOL(device_find);

EXPORT_SYMBOL(device_create_file);
EXPORT_SYMBOL(device_remove_file);
diff -Nru a/include/linux/device.h b/include/linux/device.h
--- a/include/linux/device.h Mon Jan 19 17:05:19 2004
+++ b/include/linux/device.h Mon Jan 19 17:05:19 2004
@@ -354,6 +354,7 @@
*/
extern struct device * get_device(struct device * dev);
extern void put_device(struct device * dev);
+extern struct device *device_find(const char *name, struct bus_type *bus);


/* drivers/base/platform.c */
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:00    [W:0.084 / U:3.352 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site