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* HID: add n-trig digitizer supportRafi Rubin2009-01-03
| | | | | | | Added quirks for the N-Trig digitizer. Signed-off-by: Rafi Rubin <rafi@seas.upenn.edu> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* HID: add phys and name ioctls to hidrawJiri Kosina2009-01-03
| | | | | | | | | The hiddev interface provides ioctl() calls which can be used to obtain phys and raw name of the underlying device. Add the corresponding support also into hidraw. Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* HID: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers2009-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is part of a larger patch series which will remove the "char bus_id[20]" name string from struct device. The device name is managed in the kobject anyway, and without any size limitation, and just needlessly copied into "struct device". To set and read the device name dev_name(dev) and dev_set_name(dev) must be used. If your code uses static kobjects, which it shouldn't do, "const char *init_name" can be used to statically provide the name the registered device should have. At registration time, the init_name field is cleared, to enforce the use of dev_name(dev) to access the device name at a later time. We need to get rid of all occurrences of bus_id in the entire tree to be able to enable the new interface. Please apply this patch, and possibly convert any remaining remaining occurrences of bus_id. We want to submit a patch to -next, which will remove bus_id from "struct device", to find the remaining pieces to convert, and finally switch over to the new api, which will remove the 20 bytes array and does no longer have a size limitation. CC: Jiri Kosina <jkosina@suse.cz> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* HID: automatically call usbhid_set_leds in usbhid driverAlan Stern2009-01-03
| | | | | | | | | | | | | | | | This patch (as1146c) makes usbhid automatically call usbhid_set_leds() for any device that supports the keyboard boot protocol. In theory this should be perfectly safe. BIOSes send the LED output report as part of their normal device initialization, so any keyboard device supporting the boot protocol has to be able to handle it. As a side effect, the hid-dell and hid-bright drivers are no longer needed, and the Logitech keyboard driver can be removed from hid-lg. CC: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* HID: non-input reports can also be numberedJiri Kosina2009-01-03
| | | | | | | | | When computing the maximal buffer size needed, we must take into account that not only input reports can be numbered. Pointed out in bugzilla #10467 Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* HID: ignore mouse interface for unibody macbooksJiri Kosina2009-01-03
| | | | | | | | The mouse interface on unibody macbooks is going to be handled by bcm59743 driver in 2.6.29. Reported-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* Merge branch 'cpus4096-for-linus-3' of ↵Linus Torvalds2009-01-03
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'cpus4096-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (77 commits) x86: setup_per_cpu_areas() cleanup cpumask: fix compile error when CONFIG_NR_CPUS is not defined cpumask: use alloc_cpumask_var_node where appropriate cpumask: convert shared_cpu_map in acpi_processor* structs to cpumask_var_t x86: use cpumask_var_t in acpi/boot.c x86: cleanup some remaining usages of NR_CPUS where s/b nr_cpu_ids sched: put back some stack hog changes that were undone in kernel/sched.c x86: enable cpus display of kernel_max and offlined cpus ia64: cpumask fix for is_affinity_mask_valid() cpumask: convert RCU implementations, fix xtensa: define __fls mn10300: define __fls m32r: define __fls h8300: define __fls frv: define __fls cris: define __fls cpumask: CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS cpumask: zero extra bits in alloc_cpumask_var_node cpumask: replace for_each_cpu_mask_nr with for_each_cpu in kernel/time/ cpumask: convert mm/ ...
| * x86: setup_per_cpu_areas() cleanupCyrill Gorcunov2009-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup __alloc_bootmem and __alloc_bootmem_node do panic for us in case of fail so no need for additional checks here. Also lets use pr_*() macros for printing. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * cpumask: fix compile error when CONFIG_NR_CPUS is not definedMike Travis2009-01-03
| | | | | | | | | | | | | | | | CONFIG_NR_CPUS will be defined for all arch's whether SMP or not, but it may not have made it into all arches yet. Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * cpumask: use alloc_cpumask_var_node where appropriateMike Travis2009-01-03
| | | | | | | | | | | | | | | | | | | | | | Impact: Reduce inter-node memory traffic. Reduces inter-node memory traffic (offloading the global system bus) by allocating referenced struct cpumasks on the same node as the referring struct. Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * cpumask: convert shared_cpu_map in acpi_processor* structs to cpumask_var_tRusty Russell2009-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce memory usage, use new API. This is part of an effort to reduce structure sizes for machines configured with large NR_CPUS. cpumask_t gets replaced by cpumask_var_t, which is either struct cpumask[1] (small NR_CPUS) or struct cpumask * (large NR_CPUS). (Changes to powernow-k* by <travis>.) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * x86: use cpumask_var_t in acpi/boot.cRusty Russell2009-01-03
| | | | | | | | | | | | | | | | | | | | Impact: reduce stack size, use new API. Replace cpumask_t with cpumask_var_t. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * x86: cleanup some remaining usages of NR_CPUS where s/b nr_cpu_idsMike Travis2009-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce future system panics due to cpumask operations using NR_CPUS Insure that code does not look at bits >= nr_cpu_ids as when cpumasks are allocated based on nr_cpu_ids, these extra bits will not be defined. Also some other minor updates: * change in to use cpu accessor function set_cpu_present() instead of directly accessing cpu_present_map w/cpu_clear() [arch/x86/kernel/reboot.c] * use cpumask_of() instead of &cpumask_of_cpu() [arch/x86/kernel/reboot.c] * optimize some cpu_mask_to_apicid_and functions. Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * sched: put back some stack hog changes that were undone in kernel/sched.cMike Travis2009-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: prevents panic from stack overflow on numa-capable machines. Some of the "removal of stack hogs" changes in kernel/sched.c by using node_to_cpumask_ptr were undone by the early cpumask API updates, and causes a panic due to stack overflow. This patch undoes those changes by using cpumask_of_node() which returns a 'const struct cpumask *'. In addition, cpu_coregoup_map is replaced with cpu_coregroup_mask further reducing stack usage. (Both of these updates removed 9 FIXME's!) Also: Pick up some remaining changes from the old 'cpumask_t' functions to the new 'struct cpumask *' functions. Optimize memory traffic by allocating each percpu local_cpu_mask on the same node as the referring cpu. Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * x86: enable cpus display of kernel_max and offlined cpusMike Travis2009-01-03
| | | | | | | | | | | | | | | | | | | | | | Impact: enables /sys/devices/system/cpu/{kernel_max,offline} user interface By setting total_cpus, the drivers/base/cpu.c will display the values of kernel_max (NR_CPUS-1) and the offlined cpu map. Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * ia64: cpumask fix for is_affinity_mask_valid()Ingo Molnar2009-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: build fix on ia64 ia64's default_affinity_write() still had old cpumask_t usage: /home/mingo/tip/kernel/irq/proc.c: In function `default_affinity_write': /home/mingo/tip/kernel/irq/proc.c:114: error: incompatible type for argument 1 of `is_affinity_mask_valid' make[3]: *** [kernel/irq/proc.o] Error 1 make[3]: *** Waiting for unfinished jobs.... update it to cpumask_var_t. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * cpumask: convert RCU implementations, fixIngo Molnar2009-01-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup This warning: kernel/rcuclassic.c: In function ‘rcu_start_batch’: kernel/rcuclassic.c:397: warning: passing argument 1 of ‘cpumask_andnot’ from incompatible pointer type triggers because one usage site of rcp->cpumask was not converted to to_cpumask(rcp->cpumask). There's no ill effects of this bug. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * Merge branch 'master' of ↵Ingo Molnar2009-01-03
| |\ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into cpus4096-v2
| | * xtensa: define __flsRusty Russell2009-01-03
| | | | | | | | | | | | | | | | | | Like fls, but can't be handed 0 and returns the bit number. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * mn10300: define __flsRusty Russell2009-01-03
| | | | | | | | | | | | | | | | | | Like fls, but can't be handed 0 and returns the bit number. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * m32r: define __flsRusty Russell2009-01-03
| | | | | | | | | | | | | | | | | | Like fls, but can't be handed 0 and returns the bit number. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * h8300: define __flsRusty Russell2009-01-03
| | | | | | | | | | | | | | | | | | Like fls, but can't be handed 0 and returns the bit number. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * frv: define __flsRusty Russell2009-01-03
| | | | | | | | | | | | | | | | | | Like fls, but can't be handed 0 and returns the bit number. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cris: define __flsRusty Russell2009-01-03
| | | | | | | | | | | | | | | | | | Like fls, but can't be handed 0 and returns the bit number. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| * | Merge branch 'master' of ↵Mike Travis2009-01-03
| |\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into merge-rr-cpumask Conflicts: arch/x86/kernel/io_apic.c kernel/rcuclassic.c kernel/sched.c kernel/time/tick-sched.c Signed-off-by: Mike Travis <travis@sgi.com> [ mingo@elte.hu: backmerged typo fix for io_apic.c ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * cpumask: CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONSRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: new debug CONFIG options This helps find unconverted code. It currently breaks compile horribly, but we never wanted a flag day so that's expected. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: zero extra bits in alloc_cpumask_var_nodeRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: extra safety checks during transition When CONFIG_CPUMASKS_OFFSTACK is set, the new cpumask_ operators only use bits up to nr_cpu_ids, not NR_CPUS. Using the old cpus_ operators on these masks can mean accessing undefined bits. After some discussion, Mike and I decided to err on the side of caution; we zero the "undefined" bits in alloc_cpumask_var_node() until all the old cpumask functions are removed. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: replace for_each_cpu_mask_nr with for_each_cpu in kernel/time/Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup Simple replacement, now the _nr is redundant. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Cc: Ingo Molnar <mingo@redhat.com>
| | * cpumask: convert mm/Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Use new API Convert kernel mm functions to use struct cpumask. We skip include/linux/percpu.h and mm/allocpercpu.c, which are in flux. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
| | * cpumask: convert rest of files in kernel/Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce stack usage, use new cpumask API. Mainly changing cpumask_t to 'struct cpumask' and similar simple API conversion. Two conversions worth mentioning: 1) we use cpumask_any_but to avoid a temporary in kernel/softlockup.c, 2) Use cpumask_var_t in taskstats_user_cmd(). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@redhat.com>
| | * cpumask: convert kernel/cpu.cRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce kernel stack and memory usage, use new cpumask API. Use cpumask_var_t for take_cpu_down() stack var, and frozen_cpus. Note that notify_cpu_starting() can be called before core_initcall allocates frozen_cpus, but the NULL check is optimized out by gcc for the CONFIG_CPUMASK_OFFSTACK=n case. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: convert kernel/profile.cRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce kernel memory usage, use new cpumask API. Avoid a static cpumask_t for prof_cpu_mask, and an on-stack cpumask_t in prof_cpu_mask_write_proc. Both become cpumask_var_t. prof_cpu_mask is only allocated when profiling is on, but the NULL checks are optimized out by gcc for the !CPUMASK_OFFSTACK case. Also removed some strange and unnecessary casts. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: convert RCU implementationsRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: use new cpumask API. rcu_ctrlblk contains a cpumask, and it's highly optimized so I don't want a cpumask_var_t (ie. a pointer) for the CONFIG_CPUMASK_OFFSTACK case. It could use a dangling bitmap, and be allocated in __rcu_init to save memory, but for the moment we use a bitmap. (Eventually 'struct cpumask' will be undefined for CONFIG_CPUMASK_OFFSTACK, so we use a bitmap here to show we really mean it). We remove on-stack cpumasks, using cpumask_var_t for rcu_torture_shuffle_tasks() and for_each_cpu_and in force_quiescent_state(). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: convert kernel/irqRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce stack usage, use new cpumask API. ALPHA mod! Main change is that irq_default_affinity becomes a cpumask_var_t, so treat it as a pointer (this effects alpha). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: convert kernel time functionsRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Use new APIs Convert kernel/time functions to use struct cpumask *. Note the ugly bitmap declarations in tick-broadcast.c. These should be cpumask_var_t, but there was no obvious initialization function to put the alloc_cpumask_var() calls in. This was safe. (Eventually 'struct cpumask' will be undefined for CONFIG_CPUMASK_OFFSTACK, so we use a bitmap here to show we really mean it). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: convert kernel/workqueue.cRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce memory usage, use new cpumask API. cpu_populated_map becomes a cpumask_var_t, and cpu_singlethread_map is simply a cpumask pointer: it's simply the cpumask containing the first possible CPU anyway. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: convert kernel/compat.cRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce stack usage, use new cpumask API. Straightforward conversion; cpumasks' size is given by cpumask_size() (now a variable rather than fixed) and on-stack cpu masks use cpumask_var_t. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: remove any_online_cpu() users: mm/Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Remove obsolete API usage any_online_cpu() is a good name, but it takes a cpumask_t, not a pointer. There are several places where any_online_cpu() doesn't really want a mask arg at all. Replace all callers with cpumask_any() and cpumask_any_and(). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: remove any_online_cpu() users: kernel/Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Remove obsolete API usage any_online_cpu() is a good name, but it takes a cpumask_t, not a pointer. There are several places where any_online_cpu() doesn't really want a mask arg at all. Replace all callers with cpumask_any() and cpumask_any_and(). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: convert kernel trace functions furtherRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce future memory usage, use new cpumask API. Since the last patch was created and acked, more old cpumask users slipped into kernel/trace. Mostly trivial conversions, except struct trace_iterator's "started" member becomes a cpumask_var_t. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * cpumask: convert kernel trace functionsRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce future memory usage, use new cpumask API. (Eventually, cpumask_var_t will be allocated based on nr_cpu_ids, not NR_CPUS). Convert kernel trace functions to use struct cpumask API: 1) Use cpumask_copy/cpumask_test_cpu/for_each_cpu. 2) Use cpumask_var_t and alloc_cpumask_var/free_cpumask_var everywhere. 3) Use on_each_cpu instead of playing with current->cpus_allowed. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Steven Rostedt <rostedt@goodmis.org>
| | * cpumask: Introduce topology_core_cpumask()/topology_thread_cpumask(): ia64Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: New API The old topology_core_siblings() and topology_thread_siblings() return a cpumask_t; these new ones return a (const) struct cpumask *. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: Introduce topology_core_cpumask()/topology_thread_cpumask(): powerpcRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: New API The old topology_core_siblings() and topology_thread_siblings() return a cpumask_t; these new ones return a (const) struct cpumask *. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: Introduce topology_core_cpumask()/topology_thread_cpumask(): s390Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: New API The old topology_core_siblings() and topology_thread_siblings() return a cpumask_t; these new ones return a (const) struct cpumask *. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: Introduce topology_core_cpumask()/topology_thread_cpumask(): sparcRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: New API The old topology_core_siblings() and topology_thread_siblings() return a cpumask_t; these new ones return a (const) struct cpumask *. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
| | * cpumask: Use find_last_bit()Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup There's one obvious place to use it: to find the highest possible cpu. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * bitmap: find_last_bit()Rusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | Impact: New API As the name suggests. For the moment everyone uses the generic one. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * m68knommu: define __flsRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | Like fls, but can't be handed 0 and returns the bit number. (I broke this arch in linux-next by using __fls in generic code). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * m68k: define __flsRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | Like fls, but can't be handed 0 and returns the bit number. (I broke this arch in linux-next by using __fls in generic code). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| | * blackfin: define __flsRusty Russell2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | Like fls, but can't be handed 0 and returns the bit number. (I broke this arch in linux-next by using __fls in generic code). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Mike Frysinger <vapier@gentoo.org>
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