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* include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo2010-03-302-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
* Merge branch 'misc2' into develRussell King2010-02-251-1/+1
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| * ARM: 5928/1: Change type of VMALLOC_END to unsigned long.Fenkart/Bostandzhyan2010-02-151-1/+1
| | | | | | | | | | | | | | | | Makes it consistent with VMALLOC_START Tested-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Andreas Fenkart <andreas.fenkart@streamunlimited.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | ARM: 5910/1: ARM: Add tmp register for addruart and loadspTony Lindgren2010-02-121-1/+1
|/ | | | | | | | | | | | | | Otherwise more complicated uart configuration won't be possible. We can use r1 for tmp register for both head.S and debug.S. NOTE: This patch depends on another patch to add the the tmp register into all debug-macro.S files. That can be done with: $ sed -i -e "s/addruart,rx|addruart, rx/addruart, rx, tmp/" arch/arm/*/include/*/debug-macro.S Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* genirq: Convert irq_desc.lock to raw_spinlockThomas Gleixner2009-12-141-4/+4
| | | | | | | | | Convert locks which cannot be sleeping locks in preempt-rt to raw_spinlocks. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Ingo Molnar <mingo@elte.hu>
* const: constify remaining file_operationsAlexey Dobriyan2009-10-011-1/+1
| | | | | | | | [akpm@linux-foundation.org: fix KVM] Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* clocksource: pass clocksource to read() callbackMagnus Damm2009-04-211-1/+1
| | | | | | | | | | | | | | Pass clocksource pointer to the read() callback for clocksources. This allows us to share the callback between multiple instances. [hugh@veritas.com: fix powerpc build of clocksource pass clocksource mods] [akpm@linux-foundation.org: cleanup] Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: John Stultz <johnstul@us.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'origin' into develRussell King2009-03-281-2/+1
|\ | | | | | | | | Conflicts: sound/soc/pxa/pxa2xx-i2s.c
| * sparseirq: use kstat_irqs_cpu on non-x86 architectures tooYinghai Lu2009-01-121-2/+1
| | | | | | | | | | | | | | so we could move kstat_irqs array to irq_desc struct. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | [ARM] pass reboot command line to arch_reset()Russell King2009-03-191-1/+1
|/ | | | | | | | | | | | | | | OMAP wishes to pass state to the boot loader upon reboot in order to instruct it whether to wait for USB-based reflashing or not. There is already a facility to do this via the reboot() syscall, except we ignore the string passed to machine_restart(). This patch fixes things to pass this string to arch_reset(). This means that we keep the reboot mode limited to telling the kernel _how_ to perform the reboot which should be independent of what we request the boot loader to do. Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* Merge branch 'cpus4096-for-linus-2' of ↵Linus Torvalds2009-01-021-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (66 commits) x86: export vector_used_by_percpu_irq x86: use logical apicid in x2apic_cluster's x2apic_cpu_mask_to_apicid_and() sched: nominate preferred wakeup cpu, fix x86: fix lguest used_vectors breakage, -v2 x86: fix warning in arch/x86/kernel/io_apic.c sched: fix warning in kernel/sched.c sched: move test_sd_parent() to an SMP section of sched.h sched: add SD_BALANCE_NEWIDLE at MC and CPU level for sched_mc>0 sched: activate active load balancing in new idle cpus sched: bias task wakeups to preferred semi-idle packages sched: nominate preferred wakeup cpu sched: favour lower logical cpu number for sched_mc balance sched: framework for sched_mc/smt_power_savings=N sched: convert BALANCE_FOR_xx_POWER to inline functions x86: use possible_cpus=NUM to extend the possible cpus allowed x86: fix cpu_mask_to_apicid_and to include cpu_online_mask x86: update io_apic.c to the new cpumask code x86: Introduce topology_core_cpumask()/topology_thread_cpumask() x86: xen: use smp_call_function_many() x86: use work_on_cpu in x86/kernel/cpu/mcheck/mce_amd_64.c ... Fixed up trivial conflict in kernel/time/tick-sched.c manually
| * cpumask: convert struct clock_event_device to cpumask pointers.Rusty Russell2008-12-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Impact: change calling convention of existing clock_event APIs struct clock_event_timer's cpumask field gets changed to take pointer, as does the ->broadcast function. Another single-patch change. For safety, we BUG_ON() in clockevents_register_device() if it's not set. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@elte.hu>
* | [ARM] Add a common typesafe __io implementationRussell King2008-11-301-1/+1
| | | | | | | | | | | | | | | | As Al did for Versatile in 2ad4f86b60b649fd7428265c08d73a3bd360c81b, add a typesafe __io implementation for platforms to use. Convert platforms to use this new simple typesafe implementation. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] Hide ISA DMA API when ISA_DMA_API is unsetRussell King2008-11-291-14/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | When ISA_DMA_API is unset, we're not implementing the ISA DMA API, so there's no point in publishing the prototypes via asm/dma.h, nor including the machine dependent parts of that API. This allows us to remove a lot of mach/dma.h files which don't contain any useful code. Unfortunately though, some platforms put their own private non-ISA definitions into mach/dma.h, so we leave these behind and fix the appropriate #include statments. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] ns9xxx: mach/hardware.h doesn't need asm/memory.hRussell King2008-11-281-2/+0
| | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] remove a common set of __virt_to_bus definitionsNicolas Pitre2008-11-281-3/+0
|/ | | | | | | | | | | | | | | | Let's provide an overridable default instead of having every machine class define __virt_to_bus and __bus_to_virt to the same thing. What most platforms are using is bus_addr == phys_addr so such is the default. One exception is ebsa110 which has no DMA what so ever, so the actual definition is not important except only for proper compilation. Also added a comment about the special footbridge bus translation. Let's also remove comments alluding to set_dma_addr which is not (and should not) be commonly used. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] gpio_free might sleep, arm architectureUwe Kleine-König2008-10-301-0/+2
| | | | | | | | | | | | | | | | According to the documentation gpio_free should only be called from task context only. To make this more explicit add a might sleep to all implementations. This patch changes the gpio_free implementations for the arm architecture. DaVinci is skipped on purpose to simplify the merge process for patches switching it over to use gpiolib as per request by David Brownell. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Cc: David Brownell <david-b@pacbell.net> Cc: Andrew Victor <linux@maxim.org.za> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* Merge branch 'pxa-all' into develRussell King2008-10-091-4/+1
|\ | | | | | | | | | | | | | | | | Conflicts: arch/arm/mach-pxa/Kconfig arch/arm/mach-pxa/corgi.c arch/arm/mach-pxa/include/mach/hardware.h arch/arm/mach-pxa/spitz.c
| * [ARM] 5298/1: Drop desc_handle_irq()Dmitry Baryshkov2008-10-091-4/+1
| | | | | | | | | | | | | | | | desc_handle_irq() was declared as obsolete since long ago. Replace it with generic_handle_irq() Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] Convert asm/bitops.h to linux/bitops.hRussell King2008-09-061-1/+1
| | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] Convert asm/io.h to linux/io.hRussell King2008-09-062-2/+2
|/ | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/machRussell King2008-08-0730-24/+1141
| | | | | | This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Eliminate useless includes of asm/mach-types.hRussell King2008-08-071-1/+0
| | | | | | | | There are 43 includes of asm/mach-types.h by files that don't reference anything from that file. Remove these unnecessary includes. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Fix explicit asm(-arm)?/arch-foo referencesRussell King2008-08-029-23/+23
| | | | | | | | No file should be explicitly referencing its own platform headers by specifying an absolute include path. Fix these paths to use standard <asm/arch/...> includes. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* Remove use of asm/semaphore.hMatthew Wilcox2008-07-241-1/+1
| | | | | | Change to use linux/semaphore.h Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
* Merge branch 'irq-fix' of ↵Russell King2008-05-071-7/+15
|\ | | | | | | git://www.modarm9.com/gitsrc/pub/people/ukleinek/linux-2.6.git
| * ns9xxx: fix sparse warningUwe Kleine-König2008-04-251-1/+1
| | | | | | | | | | | | | | The actual warning is arch/arm/mach-ns9xxx/irq.c:65:6: warning: symbol 'handle_prio_irq' was not declared. Should it be static? Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
| * ns9xxx: check for irq lockupsUwe Kleine-König2008-04-251-0/+5
| | | | | | | | | | | | | | | | When I copy-adapted handle_level_irq I skipped note_interrupt because I considered it unimportant. If I had understand its importance I would have saved myself some ours of debugging. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
| * ns9xxx: fix handle_prio_irq to unmask irqs with lower priorityUwe Kleine-König2008-04-251-6/+9
| | | | | | | | | | | | | | | | | | | | When an irq is reported all lower prio irqs are masked until the current irq is acked. So never leave handle_prio_irq without acking. desc->status & IRQ_INPROGRESS should never become true because the current irq is masked until it is acked, too. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* | ns9xxx: add clock apiUwe Kleine-König2008-03-313-1/+251
| | | | | | | | Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* | ns9xxx: add support for irq priorisationUwe Kleine-König2008-03-311-12/+18
|/ | | | | | | | | | | prio2irq(0) is the highest prioritized interrupt. For now there is no binary change intended. If you intend to change the priorisation, you have to assert: ∀ x ∈ {0, 1, ⋯ 31}: (irq2prio ∘ prio2irq)(x) = x Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* ns9xxx: make use of the chip's irq priorisationUwe Kleine-König2008-03-311-1/+39
| | | | | | | The irq controller automatically masks the current and all lower prioritised tasks until the current irq is acked. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* ns9xxx: prepare for adding support for Digi ns921x processorsUwe Kleine-König2008-03-3112-174/+294
| | | | | | | | | | | | | | | | | | | | | | | | | | The hardware team changed some things that were taken as being common to all ns9xxx processors up to now. This patch addresses: - irqs: s/IRQ_/IRQ_NS9360_/ - system module registers: some registers are still general, their definition lives now in include/asm-arm/arch-ns9xxx/regs-sys-common.h. The ns9360 specific ones are in .../regs-sys-ns9360.h As a result ns9360_systemclock cannot be static inline any more as its definition needs regs-sys-ns9360.h. This becomes a real problem when adding support for ns9215 as this will need regs-sys-ns9215.h and including both files will not work. For the same reason ns9360_reset() is now non-inline and gpio functions live in their own file. - register mapping: s/ns9xxx_map_io/ns9360_map_io/ - timer registers: move time.c to time-ns9360.c; s/ns9xxx_timer/ns9360_timer/ Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* ns9xxx: introduce a config variable for the cc9p9360 moduleUwe Kleine-König2008-03-311-12/+16
| | | | | | | Moreover now it's the module that selects the processor, and not the machine anymore. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* ns9xxx: use default text offsetUwe Kleine-König2008-03-311-1/+1
| | | | Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* ns9xxx: move registration of serial8250 to a dedicated fileUwe Kleine-König2008-03-314-58/+76
| | | | | | | Now the needed structs are allocated dynamically from __init code reducing memory usage if the kernel runs on a board different from a9m9750dev. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* [ARM] 4851/1: ns9xxx: fix size of gpioresUwe Kleine-König2008-03-081-1/+1
| | | | | | | | GPIO_MAX is the number of the last gpio, not the number of gpios. So the bitmap must provide GPIO_MAX + 1 bits. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4595/1: ns9xxx: define registers as void __iomem * instead of volatile u32Uwe Kleine-König2007-10-124-61/+85
| | | | | | | As a consequence registers are now accessed with __raw_{read,write}[bl]. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4594/1: ns9xxx: use the new gpio functionsUwe Kleine-König2007-10-121-6/+6
| | | | | | | | | Up to now only board-a9m9750dev.c used GPIOs. It just wrote directly into the corresponding registers. Now it properly reserves the gpio and uses the API function to configure it. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4593/1: ns9xxx: implement generic clockeventsUwe Kleine-König2007-10-121-42/+108
| | | | | Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4592/1: ns9xxx: clocksource driverUwe Kleine-König2007-10-121-26/+42
| | | | | Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4590/1: ns9xxx: add gpio handling functionsUwe Kleine-König2007-10-122-1/+185
| | | | | | | | | | | This implementation conforms to the general GPIO API introduced in 2.6.21. This patch was signed-of by David Brownell before I exported the functions using EXPORT_SYMBOL. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4589/1: ns9xxx: acknowledge IRQ_EXT2 in the demux routine for FPGA irqsUwe Kleine-König2007-10-121-2/+7
| | | | | | | | The FPGA on the a9m9750dev board interrupts the CPU via EXT2. So to acknowledge any FPGA interrupt IRQ_EXT2 must be acknowledged. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4545/1: ns9xxx: simplify irq ack'ingUwe Kleine-König2007-10-122-33/+14
| | | | | | | | | | Now the drivers are responsible to clear the irq in the respective device, which seems to be the normal thing to do. So the ack'ing of the timer irq moved to time.c. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4493/1: ns9xxx: disable a non-reloading timer before ack'ing its irqUwe Kleine-König2007-07-201-0/+9
| | | | | | | The HRM states that is must be done this way ... Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4487/1: ns9xxx: complete definition of GPIO related registersUwe Kleine-König2007-07-201-2/+1
| | | | | | | | | | | | | I changed the naming to be more obvious---unfortunately the HRM doesn't specify these. Moreover the numbering is changed to be zero indexed as this is more natural. Adjust all callers. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4486/1: ns9xxx: fix a typo in the register definitions.Uwe Kleine-König2007-07-201-1/+1
| | | | | | | Fixed all users. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4485/1: ns9xxx: pass the correct irq number to the interrupt handlersUwe Kleine-König2007-07-201-1/+1
| | | | | Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4483/1: ns9xxx: fix three sparse warnings: symbol 'xyz' was not declared.Uwe Kleine-König2007-07-202-1/+3
| | | | | | | | make ns9xxx_ack_irq_functions static and add one include to get declarations for ns9xxx_map_io and ns9xxx_init_machine. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4482/1: ns9xxx: fix compilation for mach-type CC9P9360JSUwe Kleine-König2007-07-202-1/+2
| | | | | | | | I must have written the patch introducing support for this machine deep in the night... Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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