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authorDave Young <hidave.darkstar@gmail.com>2008-05-28 09:28:39 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2008-07-21 21:54:52 -0700
commitf75b1c60fc1e53c4004a79ea0be071aa3318cdcc (patch)
tree75728a6393f2e7568cd17ffd749fd3c4a4e1d95f /drivers/base/base.h
parentd2a3b9146e4f40c2e872d7567c996ef95083d802 (diff)
downloadop-kernel-dev-f75b1c60fc1e53c4004a79ea0be071aa3318cdcc.zip
op-kernel-dev-f75b1c60fc1e53c4004a79ea0be071aa3318cdcc.tar.gz
class: change internal semaphore to a mutex
Now that the lockdep infrastructure in the class core is in place, we should be able to properly change the internal class semaphore to be a mutex. David wrote the original patch, and Greg fixed it up to apply properly due to all of the recent changes in this area. From: Dave Young <hidave.darkstar@gmail.com> Cc: Matthew Wilcox <matthew@wil.cx> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base/base.h')
-rw-r--r--drivers/base/base.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/base/base.h b/drivers/base/base.h
index c035dc2..31dc0cd 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -44,7 +44,7 @@ struct driver_private {
* @class_devices - list of devices associated with this class
* @class_interfaces - list of class_interfaces associated with this class
* @class_dirs - "glue" directory for virtual devices associated with this class
- * @class_sem - semaphore to protect the children, devices, and interfaces lists.
+ * @class_mutex - mutex to protect the children, devices, and interfaces lists.
* @class - pointer back to the struct class that this structure is associated
* with.
*
@@ -57,7 +57,7 @@ struct class_private {
struct list_head class_devices;
struct list_head class_interfaces;
struct kset class_dirs;
- struct semaphore class_sem;
+ struct mutex class_mutex;
struct class *class;
};
#define to_class(obj) \
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