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2009-09-16m68knommu: remove interrupt masking from ColdFire pit timerGreg Ungerer
With proper interrupt controller code in place there is no need for devices like the timers to have custom interrupt masking code. Remove it (and the defines that go along with it). Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: remove unecessary interrupt level setting in ColdFire 520x setupGreg Ungerer
The new code for the interrupt controller in the ColdFire 520x takes care of all the interrupt controller setup. No manual config of the level registers (ICR) is required by the platform device setup code. So remove it. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: remove the common interrupt controller structureGreg Ungerer
Each different m68knommu CPU interrupt controller type has its own interrupt controller data structures now. Remove the old, and now not used, common irq structs and init code from here. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: complete interrupt controller code for the 68360 CPUGreg Ungerer
Define the interrupt controller structures along with the interrupt controller code for the 68360 CPU. This brings the interrupt setup and control into one place for this CPU family. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: complete interrupt controller code for the 68328 CPU'sGreg Ungerer
Define the interrupt controller structures along with the interrupt controller code for the 68328 CPU family. This brings the interrupt setup and control into one place for this CPU family. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: use common interrupt controller code for older ColdFire CPU'sGreg Ungerer
The old ColdFire CPU's (5206, 5307, 5407, 5249 etc) use a simple interrupt controller. Use common setup code for them. This addition means that all ColdFire CPU's now have some specific type of interrupt controller code. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: clean up ColdFire 532x interrupt setupGreg Ungerer
With the common intc-simr interrupt controller code in place the ColdFire 532x family startup code can be greatly simplified. Remove all the interrupt masking code, and the per-device interrupt config here. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: general interrupt controller for ColdFire 532x partsGreg Ungerer
The ColdFire 532x family of parts uses 2 of the same INTC interrupt controlers used in the ColdFire 520x family. So modify the code to support both parts. The extra code for the second INTC controler in the case of the 520x is easily optimized away to nothing. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: clean up ColdFire 523x interrupt setupGreg Ungerer
With the common intc-2 interrupt controller code in place the ColdFire 523x family startup code can be greatly simplified. Remove all the interrupt masking code, and the per-device interrupt config here. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: clean up ColdFire 528x interrupt setupGreg Ungerer
With the common intc-2 interrupt controller code in place the ColdFire 528x family startup code can be greatly simplified. Remove all the interrupt masking code, and the per-device interrupt config here. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: clean up ColdFire 527x interrupt setupGreg Ungerer
With the common intc-2 interrupt controller code in place the ColdFire 527x family startup code can be greatly simplified. Remove all the interrupt masking code, and the per-device interrupt config here. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: general interrupt controller for ColdFire many 52xx partsGreg Ungerer
Create general interrupt controller code for the many ColdFire version 2 cores that use the two region INTC interrupt controller. This includes the 523x family, 5270, 5271, 5274, 5275, and the 528x families. This code does proper masking and unmasking of interrupts. With this in place some of the driver hacks in place to support ColdFire interrupts can finally go away. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: remove per device interrupt mask setting for ColdFire 520xGreg Ungerer
With general interrupt controller code in place we don't need specific unmasking code for the internal ColdFire 520x UARTs or ethernet (FEC). Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: use general interrupt controller for ColdFire 520x familyGreg Ungerer
Create general interrupt controller code for the ColdFire 520x family, that does proper masking and unmasking of interrupts. With this in place some of the driver hacks in place to support ColdFire interrupts can finally go away. Within the ColdFire family there is a variety of different interrupt controllers in use. Some are used on multiple parts, some on only one. There is quite some differences in some varients, so much so that common code for all ColdFire parts would be impossible. This commit introduces code to support one of the newer interrupt controllers in the ColdFire 5208 and 5207 parts. It has very simple mask and unmask operations, so is one of the easiest to support. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68k: merge the mmu and non-mmu versions of checksum.hGreg Ungerer
The mmu and non-mmu versions of checksum.h are mostly the same, merge them. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16m68knommu: convert to asm-generic/hardirq.hChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16arch/m68knommu/kernel/time.c: Remove unnecessary semicolonsJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-15Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: (46 commits) powerpc64: convert to dynamic percpu allocator sparc64: use embedding percpu first chunk allocator percpu: kill lpage first chunk allocator x86,percpu: use embedding for 64bit NUMA and page for 32bit NUMA percpu: update embedding first chunk allocator to handle sparse units percpu: use group information to allocate vmap areas sparsely vmalloc: implement pcpu_get_vm_areas() vmalloc: separate out insert_vmalloc_vm() percpu: add chunk->base_addr percpu: add pcpu_unit_offsets[] percpu: introduce pcpu_alloc_info and pcpu_group_info percpu: move pcpu_lpage_build_unit_map() and pcpul_lpage_dump_cfg() upward percpu: add @align to pcpu_fc_alloc_fn_t percpu: make @dyn_size mandatory for pcpu_setup_first_chunk() percpu: drop @static_size from first chunk allocators percpu: generalize first chunk allocator selection percpu: build first chunk allocators selectively percpu: rename 4k first chunk allocator to page percpu: improve boot messages percpu: fix pcpu_reclaim() locking ... Fix trivial conflict as by Tejun Heo in kernel/sched.c
2009-09-10generic GPIO support for the Freescale Coldfire 5407.sfking@fdwdc.com
Add support for the 5407. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-10generic GPIO support for the Freescale Coldfire 532x.sfking@fdwdc.com
Add support for the 532x. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-10generic GPIO support for the Freescale Coldfire 5307.sfking@fdwdc.com
Add support for the 5307. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-10generic GPIO support for the Freescale Coldfire 528x.sfking@fdwdc.com
Add support for the 528x. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-10generic GPIO support for the Freescale Coldfire 5272.sfking@fdwdc.com
Add support for the 5272. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-10generic GPIO support for the Freescale Coldfire 527x.sfking@fdwdc.com
Add support for the 5271 & 5275. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-10generic GPIO support for the Freescale Coldfire 5249.sfking@fdwdc.com
Add support for the 5249. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-10generic GPIO support for the Freescale Coldfire 523x.sfking@fdwdc.com
Add support for the 523x. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-10generic GPIO support for the Freescale Coldfire 520x.sfking@fdwdc.com
Add support for the 520x. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-10generic GPIO support for the Freescale Coldire 5206e.sfking@fdwdc.com
Add support for the 5206e. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-10generic GPIO support for the Freescale Coldfire 5206.sfking@fdwdc.com
Add support for the 5206. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-10core generic GPIO support for Freescale Coldfire processors.sfking@fdwdc.com
This adds the basic infrastructure used by all of the different Coldfire CPUs. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-08-26m68k,m68knommu: Wire up rt_tgsigqueueinfo and perf_counter_openGeert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Greg Ungerer <gerg@uclinux.org>
2009-08-15timekeeping: Increase granularity of read_persistent_clock()Martin Schwidefsky
The persistent clock of some architectures (e.g. s390) have a better granularity than seconds. To reduce the delta between the host clock and the guest clock in a virtualized system change the read_persistent_clock function to return a struct timespec. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Acked-by: John Stultz <johnstul@us.ibm.com> Cc: Daniel Walker <dwalker@fifo99.com> LKML-Reference: <20090814134811.013873340@de.ibm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2009-08-14Merge branch 'percpu-for-linus' into percpu-for-nextTejun Heo
Conflicts: arch/sparc/kernel/smp_64.c arch/x86/kernel/cpu/perf_counter.c arch/x86/kernel/setup_percpu.c drivers/cpufreq/cpufreq_ondemand.c mm/percpu.c Conflicts in core and arch percpu codes are mostly from commit ed78e1e078dd44249f88b1dd8c76dafb39567161 which substituted many num_possible_cpus() with nr_cpu_ids. As for-next branch has moved all the first chunk allocators into mm/percpu.c, the changes are moved from arch code to mm/percpu.c. Signed-off-by: Tejun Heo <tj@kernel.org>
2009-07-09linker script: unify usage of discard definitionTejun Heo
Discarded sections in different archs share some commonality but have considerable differences. This led to linker script for each arch implementing its own /DISCARD/ definition, which makes maintaining tedious and adding new entries error-prone. This patch makes all linker scripts to move discard definitions to the end of the linker script and use the common DISCARDS macro. As ld uses the first matching section definition, archs can include default discarded sections by including them earlier in the linker script. ia64 is notable because it first throws away some ia64 specific subsections and then include the rest of the sections into the final image, so those sections must be discarded before the inclusion. defconfig compile tested for x86, x86-64, powerpc, powerpc64, ia64, alpha, sparc, sparc64 and s390. Michal Simek tested microblaze. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Mike Frysinger <vapier@gentoo.org> Tested-by: Michal Simek <monstr@monstr.eu> Cc: linux-arch@vger.kernel.org Cc: Michal Simek <monstr@monstr.eu> Cc: microblaze-uclinux@itee.uq.edu.au Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Tony Luck <tony.luck@intel.com>
2009-07-08Remove multiple KERN_ prefixes from printk formatsJoe Perches
Commit 5fd29d6ccbc98884569d6f3105aeca70858b3e0f ("printk: clean up handling of log-levels and newlines") changed printk semantics. printk lines with multiple KERN_<level> prefixes are no longer emitted as before the patch. <level> is now included in the output on each additional use. Remove all uses of multiple KERN_<level>s in formats. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-24linker script: throw away .discard sectionTejun Heo
x86 throws away .discard section but no other archs do. Also, .discard is not thrown away while linking modules. Make every arch and module linking throw it away. This will be used to define dummy variables for percpu declarations and definitions. This patch is based on Ivan Kokshaysky's alpha percpu patch. [ Impact: always throw away everything in .discard ] Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Cc: Russell King <linux@arm.linux.org.uk> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Bryan Wu <cooloney@kernel.org> Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: David Howells <dhowells@redhat.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Tony Luck <tony.luck@intel.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: David S. Miller <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Chris Zankel <chris@zankel.net> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@elte.hu>
2009-06-18ptrace: remove PT_DTRACE from m68k, m68knommuOleg Nesterov
m68k sets PT_DTRACE in trap_c() but never uses it. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Greg Ungerer <gerg@snapgear.com> Cc: Roman Zippel <zippel@linux-m68k.org> Acked-by: Roland McGrath <roland@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-16mm: consolidate init_mm definitionAlexey Dobriyan
* create mm/init-mm.c, move init_mm there * remove INIT_MM, initialize init_mm with C99 initializer * unexport init_mm on all arches: init_mm is already unexported on x86. One strange place is some OMAP driver (drivers/video/omap/) which won't build modular, but it's already wants get_vm_area() export. Somebody should look there. [akpm@linux-foundation.org: add missing #includes] Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Mike Frysinger <vapier.adi@gmail.com> Cc: Americo Wang <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-12module: cleanup FIXME comments about trimming exception table entries.Rusty Russell
Everyone cut and paste this comment from my original one. We now do it generically, so cut the comments. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Amerigo Wang <amwang@redhat.com>
2009-06-11m68knommu: remove unecessary include of thread_info.h in entry.SGreg Ungerer
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-06-11arch/m68knommu: Convert #ifdef DEBUG printk(KERN_DEBUG to pr_debug(Joe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-06-11m68knommu: remove obsolete reset codeGreg Ungerer
All ColdFire and non-MMU 68k code has custom reset routines. Remove the obsolete and now un-used reset macros. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-06-11m68knommu: move CPU reset code for the 5272 ColdFire into its platform codeGreg Ungerer
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-06-11m68knommu: move CPU reset code for the 528x ColdFire into its platform codeGreg Ungerer
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-06-11m68knommu: move CPU reset code for the 527x ColdFire into its platform codeGreg Ungerer
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-06-11m68knommu: move CPU reset code for the 523x ColdFire into its platform codeGreg Ungerer
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-06-11m68knommu: move CPU reset code for the 520x ColdFire into its platform codeGreg Ungerer
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-06-11m68knommu: add CPU reset code for the 532x ColdFireGreg Ungerer
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-06-11m68knommu: add CPU reset code for the 5249 ColdFireGreg Ungerer
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-06-11m68knommu: add CPU reset code for the 5206e ColdFireGreg Ungerer
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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