linux/drivers/base/class.c, branch v2.6.28

driver-core: use klist for class device list and implement iterator

2008-10-09T06:56:04Z

Iterating over entries using callback usually isn't too fun especially when the entry being iterated over can't be manipulated freely. This patch converts class->p->class_devices to klist and implements class device iterator so that the users can freely build their own control structure. The users are also free to call back into class code without worrying about locking. class_for_each_device() and class_find_device() are converted to use the new iterators, so their users don't have to worry about locking anymore either. Note: This depends on klist-dont-iterate-over-deleted-entries patch because class_intf->add/remove_dev() depends on proper synchronization with device removal. Signed-off-by: Tejun Heo Cc: Greg Kroah-Hartman Cc: Jens Axboe Signed-off-by: Jens Axboe

driver model: anti-oopsing medicine

2008-08-21T17:15:36Z

Anti-oops medicine for the class iterators ... the oops was observed when a class was implicitly referenced before it was initialized. [Modified by Greg to spit a warning back so someone knows to fix their code] Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman

locking: fix mutex @key parameter kernel-doc notation

2008-07-28T16:12:36Z

Fix @key parameter to mutex_init() and one of its callers. Warning(linux-2.6.26-git11//drivers/base/class.c:210): No description found for parameter 'key' Signed-off-by: Randy Dunlap Acked-by: Greg Kroah-Hartman Signed-off-by: Ingo Molnar

class: change internal semaphore to a mutex

2008-07-22T04:54:52Z

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 Cc: Matthew Wilcox Cc: Kay Sievers Cc: Andrew Morton Cc: James Bottomley Signed-off-by: Greg Kroah-Hartman

class: add lockdep infrastructure

2008-07-22T04:54:52Z

This adds the infrastructure to properly handle lockdep issues when the internal class semaphore is changed to a mutex. Matthew wrote the original patch, and Greg fixed it up to work properly with the class_create() function. From: Matthew Wilcox Cc: Kay Sievers Cc: Dave Young Cc: Andrew Morton Cc: James Bottomley Cc: Peter Zijlstra Cc: Ingo Molnar Signed-off-by: Greg Kroah-Hartman

class: rename "sem" to "class_sem" in internal class structure

2008-07-22T04:54:52Z

This renames the struct class "sem" field to be "class_sem" to make things easier when struct bus_type and struct class merge in the future. It also makes grepping for fields easier as well. Based on an idea from Kay. Cc: Kay Sievers Signed-off-by: Greg Kroah-Hartman

class: rename "subsys" to "class_subsys" in internal class structure

2008-07-22T04:54:52Z

This renames the struct class "subsys" field to be "class_subsys" to make things easier when struct bus_type and struct class merge in the future. It also makes grepping for fields easier as well. Based on an idea from Kay. Cc: Kay Sievers Signed-off-by: Greg Kroah-Hartman

class: rename "interfaces" to "class_interfaces" in internal class structure

2008-07-22T04:54:51Z

This renames the struct class "interfaces" field to be "class_interfaces" to make things easier when struct bus_type and struct class merge in the future. It also makes grepping for fields easier as well. Based on an idea from Kay. Cc: Kay Sievers Signed-off-by: Greg Kroah-Hartman

class: rename "devices" to "class_devices" in internal class structure

2008-07-22T04:54:51Z

This renames the struct class "devices" field to be "class_devices" to make things easier when struct bus_type and struct class merge in the future. It also makes grepping for fields easier as well. Based on an idea from Kay. Cc: Kay Sievers Signed-off-by: Greg Kroah-Hartman

class: move driver core specific parts to a private structure

2008-07-22T04:54:51Z

This moves the portions of struct class that are dynamic (kobject and lock and lists) out of the main structure and into a dynamic, private, structure. Cc: Kay Sievers Signed-off-by: Greg Kroah-Hartman