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* [PATCH] Call klist_del() instead of klist_remove().mochel@digitalimplant.org2005-06-20
| | | | | | | | - Can't wait on removing the current item in the list (the positive refcount *because* we are using it causes it to deadlock). Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Remove struct device::driver_list.mochel@digitalimplant.org2005-06-20
| | | | | Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Remove struct device::bus_list.mochel@digitalimplant.org2005-06-20
| | | | | Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Fix up bus code and remove use of rwsem.mochel@digitalimplant.org2005-06-20
| | | | | | | | | - Don't add devices to bus's embedded kset, since it's not used by anyone anymore. - Don't need to take the bus rwsem when calling {device,driver}_attach(), since those functions use the klists and the klists' spinlocks. Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Fix up USB to use klist_node_attached() instead of list_empty() on ↵mochel@digitalimplant.org2005-06-20
| | | | | | | | | | lists that will go away. Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Index: gregkh-2.6/drivers/usb/core/usb.c ===================================================================
* [PATCH] add klist_node_attached() to determine if a node is on a list or not.mochel@digitalimplant.org2005-06-20
| | | | | | | Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> diff -Nru a/include/linux/klist.h b/include/linux/klist.h
* [PATCH] Use bus_for_each_{dev,drv} for driver binding.mochel@digitalimplant.org2005-06-20
| | | | | | | | - Now possible, since the lists are locked using the klist lock and not the global rwsem. Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Remove the unused device_find().mochel@digitalimplant.org2005-06-20
| | | | | Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Add a klist to struct device_driver for the devices bound to it.mochel@digitalimplant.org2005-06-20
| | | | | | | | | | | | | - Use it in driver_for_each_device() instead of the regular list_head and stop using the bus's rwsem for protection. - Use driver_for_each_device() in driver_detach() so we don't deadlock on the bus's rwsem. - Remove ->devices. - Move klist access and sysfs link access out from under device's semaphore, since they're synchronized through other means. Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Add a klist to struct bus_type for its drivers.mochel@digitalimplant.org2005-06-20
| | | | | | | | - Use it in bus_for_each_drv(). - Use the klist spinlock instead of the bus rwsem. Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Add a klist to struct bus_type for its devices.mochel@digitalimplant.org2005-06-20
| | | | | | | | - Use it for bus_for_each_dev(). - Use the klist spinlock instead of the bus rwsem. Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Add initial implementation of klist helpers.mochel@digitalimplant.org2005-06-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This klist interface provides a couple of structures that wrap around struct list_head to provide explicit list "head" (struct klist) and list "node" (struct klist_node) objects. For struct klist, a spinlock is included that protects access to the actual list itself. struct klist_node provides a pointer to the klist that owns it and a kref reference count that indicates the number of current users of that node in the list. The entire point is to provide an interface for iterating over a list that is safe and allows for modification of the list during the iteration (e.g. insertion and removal), including modification of the current node on the list. It works using a 3rd object type - struct klist_iter - that is declared and initialized before an iteration. klist_next() is used to acquire the next element in the list. It returns NULL if there are no more items. This klist interface provides a couple of structures that wrap around struct list_head to provide explicit list "head" (struct klist) and list "node" (struct klist_node) objects. For struct klist, a spinlock is included that protects access to the actual list itself. struct klist_node provides a pointer to the klist that owns it and a kref reference count that indicates the number of current users of that node in the list. The entire point is to provide an interface for iterating over a list that is safe and allows for modification of the list during the iteration (e.g. insertion and removal), including modification of the current node on the list. It works using a 3rd object type - struct klist_iter - that is declared and initialized before an iteration. klist_next() is used to acquire the next element in the list. It returns NULL if there are no more items. Internally, that routine takes the klist's lock, decrements the reference count of the previous klist_node and increments the count of the next klist_node. It then drops the lock and returns. There are primitives for adding and removing nodes to/from a klist. When deleting, klist_del() will simply decrement the reference count. Only when the count goes to 0 is the node removed from the list. klist_remove() will try to delete the node from the list and block until it is actually removed. This is useful for objects (like devices) that have been removed from the system and must be freed (but must wait until all accessors have finished). Internally, that routine takes the klist's lock, decrements the reference count of the previous klist_node and increments the count of the next klist_node. It then drops the lock and returns. There are primitives for adding and removing nodes to/from a klist. When deleting, klist_del() will simply decrement the reference count. Only when the count goes to 0 is the node removed from the list. klist_remove() will try to delete the node from the list and block until it is actually removed. This is useful for objects (like devices) that have been removed from the system and must be freed (but must wait until all accessors have finished). Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> diff -Nru a/include/linux/klist.h b/include/linux/klist.h
* [PATCH] Use driver_for_each_device() instead of manually walking list.mochel@digitalimplant.org2005-06-20
| | | | | | | | Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Index: gregkh-2.6/drivers/usb/core/usb.c ===================================================================
* [PATCH] Use driver_for_each_device() in drivers/pnp/driver.c instead of ↵mochel@digitalimplant.org2005-06-20
| | | | | | | | | manually walking list. Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> diff -Nru a/drivers/pnp/driver.c b/drivers/pnp/driver.c
* [PATCH] Add driver_for_each_device().mochel@digitalimplant.org2005-06-20
| | | | | | | | | | Now there's an iterator for accessing each device bound to a driver. Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Index: linux-2.6.12-rc2/drivers/base/driver.c ===================================================================
* [PATCH] Move device/driver code to drivers/base/dd.cmochel@digitalimplant.org2005-06-20
| | | | | | | | | | This relocates the driver binding/unbinding code to drivers/base/dd.c. This is done for two reasons: One, it's not code related to the bus_type itself; it uses some from that, some from devices, and some from drivers. And Two, it will make it easier to do some of the upcoming lock removal on that code.. Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Add a semaphore to struct device to synchronize calls to its driver.mochel@digitalimplant.org2005-06-20
| | | | | | | | | | | | This adds a per-device semaphore that is taken before every call from the core to a driver method. This prevents e.g. simultaneous calls to the ->suspend() or ->resume() and ->probe() or ->release(), potentially saving a whole lot of headaches. It also moves us a step closer to removing the bus rwsem, since it protects the fields in struct device that are modified by the core. Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] fix up ipmi code after class_simple.c removalAndrew Morton2005-06-20
| | | | | | Cc: Corey Minyard <minyard@acm.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] fix "make mandocs" after class_simple.c removalAdrian Bunk2005-06-20
| | | | | | | | | | Due to the removal of class_simple.c, "make mandocs" no longer works. This patch fixes this issue. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] class: remove class_simple code, as no one in the tree is using it ↵gregkh@suse.de2005-06-20
| | | | | | anymore. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] class: add kerneldoc for the new class functions.gregkh@suse.de2005-06-20
| | | | Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] class: convert the remaining class_simple users in the kernel to ↵gregkh@suse.de2005-06-20
| | | | | | usee the new class api Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] USB: trivial error path fixMark M. Hoffman2005-06-20
| | | | | | | Trivial fix to USB class-creation error path; please apply. Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] class: convert drivers/* to use the new class api instead of ↵gregkh@suse.de2005-06-20
| | | | | | class_simple Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] class: convert arch/* to use the new class api instead of class_simplegregkh@suse.de2005-06-20
| | | | Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] class: convert drivers/scsi/* to use the new class api instead of ↵gregkh@suse.de2005-06-20
| | | | | | class_simple Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] class: convert drivers/ieee1394/* to use the new class api instead ↵gregkh@suse.de2005-06-20
| | | | | | of class_simple Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] class: convert drivers/char/* to use the new class api instead of ↵gregkh@suse.de2005-06-20
| | | | | | class_simple Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] class: convert drivers/block/* to use the new class api instead of ↵gregkh@suse.de2005-06-20
| | | | | | class_simple Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] class: convert sound/* to use the new class api instead of class_simplegregkh@suse.de2005-06-20
| | | | Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] USB: move the usb hcd code to use the new class code.gregkh@suse.de2005-06-20
| | | | | | | This moves a kref into the main hcd structure, which detaches it from the class device structure. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] INPUT: move to use the new class code, instead of class_simplegregkh@suse.de2005-06-20
| | | | Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] tty: move to use the new class code, instead of class_simplegregkh@suse.de2005-06-20
| | | | Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] CLASS: move a "simple" class logic into the class core.gregkh@suse.de2005-06-20
| | | | | | | | | | One step on improving the class api so that it can not be used incorrectly. This also fixes the module owner issue with the dev files that happened when the devt logic moved to the class core. Based on a patch originally written by Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] sysfs: (rest) if show/store is missing return -EIODmitry Torokhov2005-06-20
| | | | | | | | | sysfs: fix the rest of the kernel so if an attribute doesn't implement show or store method read/write will return -EIO instead of 0 or -EINVAL or -EPERM. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] sysfs: (driver/block) if show/store is missing return -EIODmitry Torokhov2005-06-20
| | | | | | | | | sysfs: fix drivers/block so if an attribute doesn't implement show or store method read/write will return -EIO instead of 0 or -EINVAL. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] sysfs: (driver/pci) if show/store is missing return -EIODmitry Torokhov2005-06-20
| | | | | | | | | sysfs: fix drivers/pci so if an attribute does not implement show or store method read/write will return -EIO instead of 0. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] sysfs: (driver/base) if show/store is missing return -EIODmitry Torokhov2005-06-20
| | | | | | | | | sysfs: fix drivers/base so if an attribute doesn't implement show or store method read/write will return -EIO instead of 0. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] sysfs: if show/store is missing return -EIODmitry Torokhov2005-06-20
| | | | | | | | sysfs: if attribute does not implement show or store method read/write should return -EIO instead of 0 or -EINVAL. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Make attributes names const char *Dmitry Torokhov2005-06-20
| | | | | | | sysfs: make attributes and attribute_group's names const char * Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] make driver's name be const char *Dmitry Torokhov2005-06-20
| | | | | | | | | | | | Driver core: change driver's, bus's, class's and platform device's names to be const char * so one can use const char *drv_name = "asdfg"; when initializing structures. Also kill couple of whitespaces. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] kset_hotplug_ops->name shoudl return const char *Dmitry Torokhov2005-06-20
| | | | | | | | kobject: change name() method in kset_hotplug_ops return const char * since users shoudl not try to modify returned data. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] Make kobject's name be const char *Dmitry Torokhov2005-06-20
| | | | | | | | kobject: make kobject's name const char * since users should not attempt to change it (except by calling kobject_rename). Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] sysfs_{create|remove}_link should take const char *Dmitry Torokhov2005-06-20
| | | | | | | sysfs: make sysfs_{create|remove}_link to take const char * name. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] kobject_hotplug() should use kobject_name()Dmitry Torokhov2005-06-20
| | | | | | | | | kobject: kobject_hotplug should use kobject_name() instead of accessing kobj->name directly since for objects with long names it can contain garbage. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2005-06-19
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| * Merge with ../linux-2.6-smpRussell King2005-06-19
| |\
| | * [PATCH] ARM SMP: Add missed files from Integrator/CP platformRussell King2005-06-19
| | | | | | | | | | | | | | | | | | Add missed new files from basic SMP support for the Integrator/CP platform. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [PATCH] ARM SMP: Add basic support Integrator/CP platformRussell King2005-06-18
| | | | | | | | | | | | | | | | | | Add basic SMP support for the Integrator/CP platform. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [PATCH] ARM SMP: Add support for startup of secondary processorsRussell King2005-06-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | Create a temporary page table to startup secondary processors. This page table must have a 1:1 virtual/physical mapping for the kernel in addition to the standard mappings to ensure that the secondary CPU can enable its MMU safely. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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