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path: root/drivers/ieee1394/nodemgr.c
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* ieee1394: prevent device binding of raw1394, video1394, dv1394Stefan Richter2008-04-18
| | | | | | | | | | | | These drivers don't need to match any unit_directory type device. They just need the id_table for module autoloading per module alias. Not binding any of these drivers allows special-purpose drivers with similar or same IDs to bind to devices. This currently only benefits out-of-tree drivers; on the other hand it is in no way detrimental to in-tree drivers. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: use class iteration apiDave Young2008-01-24
| | | | | | | | | | Convert to use the class iteration api. Signed-off-by: Dave Young <hidave.darkstar@gmail.com> Cc: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* ieee1394: csr1212: proper refcountingStefan Richter2007-10-16
| | | | | | | | | | | | At least since nodemgr got rid of coarse global locking, accesses to struct csr1212_keyval's reference counter should be atomic and coupled with proper barriers. Also, calls to csr1212_keep_keyval(kv) should occur before kv is being used. (We probably should convert refcnt to struct kref, but how to keep csr1212_destroy_keyval's implementation non-recursively then?) Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: nodemgr: fix leak of struct csr1212_keyvalStefan Richter2007-10-16
| | | | | | | | | | | | csr1212_keep_keyval(kv) in nodemgr_process_root_directory was unbalanced if ne->vendor_name_kv already exists. This happens for example if eth1394 or raw1394 modify the local config ROM and it is parsed again. As a bonus, the attempt to add the vendor_name_kv sysfs attribute when it already exists is now fixed for good. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: Fix kthread stopping in nodemgr_host_threadSatyam Sharma2007-10-16
| | | | | | | | | | | | | The nodemgr host thread can exit on its own even when kthread_should_stop is not true, on receiving a signal (might never happen in practice, as it ignores signals). But considering kthread_stop() must not be mixed with kthreads that can exit on their own, I think changing the code like this is clearer. This change means the thread can cut its sleep short when receive a signal but looking at the code around, that sounds okay (and again, it might never actually recieve a signal in practice). Signed-off-by: Satyam Sharma <satyam@infradead.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* Driver core: change add_uevent_var to use a structKay Sievers2007-10-12
| | | | | | | | | | | | | | | | | | This changes the uevent buffer functions to use a struct instead of a long list of parameters. It does no longer require the caller to do the proper buffer termination and size accounting, which is currently wrong in some places. It fixes a known bug where parts of the uevent environment are overwritten because of wrong index calculations. Many thanks to Mathieu Desnoyers for finding bugs and improving the error handling. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Freezer: make kernel threads nonfreezable by defaultRafael J. Wysocki2007-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, the freezer treats all tasks as freezable, except for the kernel threads that explicitly set the PF_NOFREEZE flag for themselves. This approach is problematic, since it requires every kernel thread to either set PF_NOFREEZE explicitly, or call try_to_freeze(), even if it doesn't care for the freezing of tasks at all. It seems better to only require the kernel threads that want to or need to be frozen to use some freezer-related code and to remove any freezer-related code from the other (nonfreezable) kernel threads, which is done in this patch. The patch causes all kernel threads to be nonfreezable by default (ie. to have PF_NOFREEZE set by default) and introduces the set_freezable() function that should be called by the freezable kernel threads in order to unset PF_NOFREEZE. It also makes all of the currently freezable kernel threads call set_freezable(), so it shouldn't cause any (intentional) change of behaviour to appear. Additionally, it updates documentation to describe the freezing of tasks more accurately. [akpm@linux-foundation.org: build fixes] Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Nigel Cunningham <nigel@nigel.suspend2.net> Cc: Pavel Machek <pavel@ucw.cz> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ieee1394: forgotten dereference...Al Viro2007-07-15
| | | | | | | | | Going through the string and waiting for _pointer_ to become '\0' is not what the authors meant... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Ben Collins <ben.collins@ubuntu.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ieee1394: nodemgr: parallelize between several hostsStefan Richter2007-07-09
| | | | | | | | | | | | | | Remove the global nodemgr_serialize mutex which enclosed most of the host thread event loop. This allows for parallelism between several host adapter cards. Properly serialize the driver hooks .update(), .suspend(), .resume(), and .remove() by means of device->sem. These hooks can be called from outside the host threads' contexts. Get() and put() the device.driver when calling its hooks. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: convert ieee1394 from "struct class_device" to "struct device"Kay Sievers2007-07-09
| | | | | | | | | | Here is a straightforward conversion to "struct device". The "struct class_device" will be removed from the kernel. It seems to work fine for me with and without CONFIG_SYSFS_DEPRECATED set. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: sbp2: offer SAM-conforming target port ID in sysfsStefan Richter2007-05-31
| | | | | | | | | | | | | | | | | | | | | | With "modprobe sbp2 long_ieee1394_id=y", the format of /sys/bus/scsi/devices/*:*:*:*/ieee1394_id is changed from e.g. 0001041010004beb:0:0 to 0001041010004beb:00042c:0000. The longer format fully conforms to object identifier sizes as per SAM(-2...4) and reflects what the SAM target port identifier is meant to contain: A Discovery ID allegedly specified by ISO/IEC 13213:1994 --- however there is no such thing; the authors of SAM probably meant Directory ID). Especially target nodes with multiple dynamically added targets may use Directory IDs to persistently identify target ports. The new format is independent of implementation details of nodemgr. Thus the same ieee1394_id attribute format can be implemented in the new firewire stack. The ieee1394_id is typically used to create persistently named links in /dev/disk/by-id. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: fix calculation of sysfs attribute "address"Stefan Richter2007-05-31
| | | | | | | struct csr1212_keyval.offset is relative to 0xffff f000 0000 rather than 0xffff f000 0400. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* Fix occurrences of "the the "Michael Opdenacker2007-05-09
| | | | | Signed-off-by: Michael Opdenacker <michael@free-electrons.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* ieee1394: nodemgr: unify some error messagesStefan Richter2007-04-29
| | | | | | Shrinks object file size a little bit. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: nodemgr: less noise in dmesgStefan Richter2007-04-29
| | | | | | | Everytime when eth1394 or a libraw1394 client updates the configuration ROM, a certain sysfs attribute cannot be added since it already exists. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: some more includesStefan Richter2007-04-29
| | | | Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: drop csr1212's support for external compilationStefan Richter2007-04-29
| | | | | | | | | | | csr1212 was written to be compiled either as part of the ieee1394 kernel driver or of an anticipated IEEE 1212 userspace library. We now drop support for the latter. The costs in terms of code footprint and depth of abstraction are not countered by any actual benefit. Also remove some obsolete #includes. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: move some comments from declaration to definitionStefan Richter2007-04-29
| | | | Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: remove declarations of nonexisting functionsStefan Richter2007-04-29
| | | | Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* IEEE1394: remove rwsem use from ieee1394 coreGreg Kroah-Hartman2007-04-27
| | | | | | | | | | | | | | The subsystem rwsem is not used by the driver core at all, so the use of it in the ieee1394 code doesn't make any sense. They might possibly want to use a local lock, but as most of these operations are already protected by a local lock, it really doesn't look like it would be needed. Cc: Ben Collins <bcollins@debian.org> Cc: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: linux1394-devel <linux1394-devel@lists.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* uevent: use add_uevent_var() instead of open coding itEric Rannaud2007-04-27
| | | | | | | | | | | | Make use of add_uevent_var() instead of (often incorrectly) open coding it. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Eric Rannaud <eric.rannaud@gmail.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* ieee1394: fix another deadlock in nodemgrStefan Richter2007-02-17
| | | | | | | | A "modprobe ohci1394; sleep 1.5; modprobe -r ohci1394" could get stuck in uninterruptible state, especially if an external node was connected. http://bugzilla.kernel.org/show_bug.cgi?id=7792 Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: fix host device registering when nodemgr disabledStefan Richter2007-02-08
| | | | | | | | | | | Since my commit 8252bbb1363b7fe963a3eb6f8a36da619a6f5a65 in 2.6.20-rc1, host devices have a dummy driver attached. Alas the driver was not registered before use if ieee1394 was loaded with disable_nodemgr=1. This resulted in non-functional FireWire drivers or kernel lockup. http://bugzilla.kernel.org/show_bug.cgi?id=7942 Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* the scheduled IEEE1394_OUI_DB removalAdrian Bunk2007-02-08
| | | | | | | | | | | This patch contains the scheduled IEEE1394_OUI_DB removal. Signed-off-by: Adrian Bunk <bunk@stusta.de> Update: Also remove drivers/ieee1394/.gitignore. Remove now unused struct members in drivers/ieee1394/nodemgr.h. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: nodemgr: remove a kcallocStefan Richter2006-12-07
| | | | | | Was I sleepwalking when I wrote this? Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: Consolidate driver registeringBen Collins2006-12-07
| | | | | | | | | | | | | This patch consolidates some bookkeeping for driver registering. It closely models what pci_register_driver() does. The main addition is that the owner of the driver is set, so we get a proper symlink for /sys/bus/ieee1394/driver/*/module. Also moves setting of name and bus type into nodemgr. Because of this, we can remove the EXPORT_SYMBOL for ieee1394_bus_type, since it's now only used in ieee1394.ko. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: nodemgr: spaces to tabsStefan Richter2006-12-07
| | | | | | whitespace pedantry Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: nodemgr: fix deadlock in shutdownStefan Richter2006-12-07
| | | | | | | | | | | | | | | | | | | | | | If "modprobe ohci1394" was quickly followed by "modprobe -r ohci1394", say with 1 second pause in between, the modprobe -r got stuck in uninterruptible sleep in kthread_stop. At the same time the knodemgrd slept uninterruptibly in bus_rescan_devices_helper. That's because driver_detach took the semaphore of the PCI device and bus_rescan_devices_helper wanted to take the semaphore of the FireWire host device's parent, which is the same semaphore. This was a regression since Linux 2.6.16, commit bf74ad5bc41727d5f2f1c6bedb2c1fac394de731, "Hold the device's parent's lock during probe and remove". The fix (or workaround) adds a dummy driver to the hpsb_host device. Now bus_rescan_devices_helper won't scan the host device anymore. This doesn't hurt since we have no drivers which will bind to these devices and it is unlikely that there will ever be such a driver. The dummy driver is befittingly presented as a representation of ieee1394 itself. Fixes: http://bugzilla.kernel.org/show_bug.cgi?id=6706 Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: nodemgr: remove duplicate assignmentStefan Richter2006-12-07
| | | | Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: nodemgr: take it easy if bus_rescan_devices failsStefan Richter2006-12-07
| | | | | | This happens. No need to log a BUG trace. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* drivers/ieee1394/*: use kmemdup()Eric Sesterhenn2006-12-07
| | | | | | Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: fix printk format warningRandy Dunlap2006-12-07
| | | | | | | | Fix printk format warning: drivers/ieee1394/nodemgr.c:364: warning: long long unsigned int format, u64 arg (arg 3) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: nodemgr: revise semaphore protection of driver core dataStefan Richter2006-12-07
| | | | | | | | | | | | | | | | | | | | | | - The list "struct class.children" is supposed to be protected by class.sem, not by class.subsys.rwsem. - nodemgr_remove_uds() iterated over nodemgr_ud_class.children without proper protection. This was never observed as a bug since the code is usually only accessed by knodemgrd. All knodemgrds are currently globally serialized. But userspace can trigger this code too by writing to /sys/bus/ieee1394/destroy_node. - Clean up access to the FireWire bus type's subsys.rwsem: Access it uniformly via ieee1394_bus_type. Shrink rwsem protected regions where possible. Expand them where necessary. The latter wasn't a problem so far because knodemgr is globally serialized. This should harden the interaction of ieee1394 with sysfs and lay ground for deserialized operation of multiple knodemgrds and for implementation of subthreads for parallelized scanning and probing. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: nodemgr: reflect which return values are errorsStefan Richter2006-12-07
| | | | | | Give better names to local variables. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: nodemgr: small fix after sysfs errors patchStefan Richter2006-12-07
| | | | | | One hunk in "ieee1394: handle sysfs errors" was wrong. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: handle sysfs errorsStefan Richter2006-12-07
| | | | | | Handle driver core errors with as much care as appropriate. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* [PATCH] Add include/linux/freezer.h and move definitions from sched.hNigel Cunningham2006-12-07
| | | | | | | | | | | | | Move process freezing functions from include/linux/sched.h to freezer.h, so that modifications to the freezer or the kernel configuration don't require recompiling just about everything. [akpm@osdl.org: fix ueagle driver] Signed-off-by: Nigel Cunningham <nigel@suspend2.net> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* ieee1394: nodemgr: fix startup of knodemgrdStefan Richter2006-10-08
| | | | | | | | | | Revert a thinko in commit d2f119fe319528da8c76a1107459d6f478cbf28c: When knodemgrd starts, it needs to sleep until host->generation was incremented above its initial value of 0. My wrong logic caused it to start sending requests when the bus wasn't completely ready. Seen as "AT dma reset ctx=0, aborting transmission" messages in 2.6.19-rc1. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: nodemgr: grab class.subsys.rwsem in nodemgr_resume_neStefan Richter2006-09-17
| | | | | | | | | | nodemgr_resume_ne was iterating over nodemgr_ud_class.children without protection by nodemgr_ud_class.subsys.rwsem. FIXME: Shouldn't we rather use class->sem there, not class->subsys.rwsem? Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: nodemgr: fix rwsem recursionStefan Richter2006-09-17
| | | | | | | | | | | nodemgr_update_pdrv grabbed an rw semaphore (as reader) which was already taken by its caller's caller, nodemgr_probe_ne (as reader too). Reported by Miles Lane, call path pointed out by Arjan van de Ven. FIXME: Shouldn't we rather use class->sem there, not class->subsys.rwsem? Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* ieee1394: shrink tlabel pools, remove tpool semaphoresStefan Richter2006-09-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch reduces the size of struct hpsb_host and also removes semaphores from ieee1394_transactions.c. On i386, struct hpsb_host shrinks from 10656 bytes to 6688 bytes. This is accomplished by - using a single wait_queue for hpsb_get_tlabel instead of many instances of semaphores, - using a single lock to serialize access to all tlabel pools (the protected code regions are small, i.e. lock contention very low), - omitting the sysfs attribute tlabels_allocations. Drawback: In the rare case that a process needs to sleep because all transaction labels for the node are temporarily exhausted, it is also woken up if a tlabel for a different node became free, checks for an available tlabel, and is put to sleep again. The check is not costly and the situation occurs extremely rarely. (Tlabels are typically only exhausted if there was no context switch to the khpsbpkt thread which recycles tlables.) Therefore the benefit of reduced tpool size outweighs this drawback. The sysfs attributes tlabels_free and tlabels_mask are not compiled anymore unless CONFIG_IEEE1394_VERBOSEDEBUG is set. The by far biggest member of struct hpsb_host, the struct csr_control csr (5272 bytes on i386), is now placed at the end of struct hpsb_host. Note, hpsb_get_tlabel calls the macro wait_event_interruptible with a condition argument which has a side effect (allocation of a tlabel and manipulation of the packet). This side effect happens only if the condition is true. The patch relies on wait_event_interruptible not evaluating the condition again after it became true. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* [PATCH] ieee1394: nodemgr: convert nodemgr_serialize semaphore to mutexStefan Richter2006-07-03
| | | | | | | | | | | | | | Another trivial sem2mutex conversion. Side note: nodemgr_serialize's purpose, when introduced in linux1394's revision 529 in July 2002, was to protect several data structures which are now largely handled by or together with Linux' driver core and are now protected by the LDM's own mechanisms. It may very well be possible to remove this mutex now. But fully parallelized node scanning is on our long-term TODO list anyway; the mutex will certainly go away then. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Ben Collins <bcollins@ubuntu.com>
* [PATCH] ieee1394: nodemgr: switch to kthread api, replace reset semaphoreStefan Richter2006-07-03
| | | | | | | | | Convert nodemgr's host thread from kernel_thread to kthread and its sleep/restart mechanism from a counting semaphore to a schedule()/ wake_up_process() scheme. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Ben Collins <bcollins@ubuntu.com>
* [PATCH] ieee1394: nodemgr: make module parameter ignore_drivers writableStefan Richter2006-07-03
| | | | | | | | | | | | | | Nodemgr's ignore_drivers variable is exposed as a module load parameter (therefore also as a sysfs attribute below /sys/module) and additionally as an attribute below /sys/bus/ieee1394. Since the latter is writable, make the former writable too. Note, the bus's attribute ignore_drivers is only relevant to newly added units, not to present or suspended or resuming units. Those have their own attribute ignore_driver. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Ben Collins <bcollins@ubuntu.com>
* [PATCH] ieee1394: nodemgr: do not spawn kernel_thread for sysfs rescanStefan Richter2006-07-03
| | | | | | | | | | | | | | | nodemgr.c::fw_set_rescan() is used to re-run the driver core over nodemgr's representation of unit directories in order to initiate protocol driver probes. It is initiated via write access to one of nodemgr's sysfs attributes. The purpose is to attach drivers to units after switching a unit's ignore_driver attribute from 1 to 0. It is not really necessary to fork a kernel_thread for this job. The call to kernel_thread() can be eliminated to avoid the deprecated API and to simplify the code a bit. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Ben Collins <bcollins@ubuntu.com>
* [PATCH] ieee1394: nodemgr: remove unnecessary includesStefan Richter2006-07-03
| | | | | Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Ben Collins <bcollins@ubuntu.com>
* [PATCH] ieee1394: update #include directives in midlayer header filesStefan Richter2006-07-03
| | | | | | | | Remove unnecessary includes, add missing includes. Use forward type declarations for some structs. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Ben Collins <bcollins@ubuntu.com>
* [PATCH] ieee1394: fix cosmetic problem in speed probeStefan Richter2006-07-03
| | | | | | | | | | | | | | | | | | If ieee1394.h::IEEE1394_SPEED_MAX is bigger than the actual speed of an 1394b host adapter and the speed to another 1394b node was probed, a bigger speed than actually used was kept in host->speed[n]. The only resulting problem so far was sbp2 displaying bogus values in the syslog, e.g. S3200 for actual S800 connections if IEEE1394_SPEED_MAX was S3200. But other high-level drivers which access this field could get into more trouble. (Eth1394 is the only other in-tree driver which does so. It seems it is not affected.) Nodemgr now clips this value according to the host adapter's link speed. A pointer expression in nodemgr_check_speed is also changed for clarity. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Ben Collins <bcollins@ubuntu.com>
* Remove obsolete #include <linux/config.h>Jörn Engel2006-06-30
| | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* [PATCH] ieee1394: nodemgr: do not peek into struct semaphoreStefan Richter2006-06-25
| | | | | | | | | | | Also revert patch "frv: ieee1394 is borken on frv", as it no longer is. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: David Howells <dhowells@redhat.com> Cc: Jody McIntyre <scjody@modernduck.com> Cc: Ben Collins <bcollins@ubuntu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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