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* MIPS: irq: Remove IRQF_DISABLEDYong Zhang2011-12-071-2/+0
| | | | | | | | | | | | | | | | | | | | Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled], We run all interrupt handlers with interrupts disabled and we even check and yell when an interrupt handler returns with interrupts enabled (see commit [b738a50a: genirq: Warn when handler enables interrupts]). So now this flag is a NOOP and can be removed. [ralf@linux-mips.org: Fixed up conflicts in arch/mips/alchemy/common/dbdma.c, arch/mips/cavium-octeon/smp.c and arch/mips/kernel/perf_event.c.] Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> To: linux-kernel@vger.kernel.org Cc: tglx@linutronix.de linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2835/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Convert the irq functions to the new namesThomas Gleixner2011-03-291-16/+24
| | | | | | Scripted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* MIPS: IP32: Convert to new irq_chip functionsThomas Gleixner2011-03-251-92/+42
| | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2204/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: IP32: Migrate to new platform makefile style.Ralf Baechle2010-08-052-2/+11
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo2010-03-301-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* MIPS: Cleanup switches with cases that can be mergedRoel Kluin2010-02-271-8/+1
| | | | | | | | | Signed-off-by: Roel Kluin <roel.kluin@gmail.com> To: linux-mips@linux-mips.org To: Andrew Morton <akpm@linux-foundation.org> To: LKML <linux-kernel@vger.kernel.org> Patchwork: http://patchwork.linux-mips.org/patch/860/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Move several variables from .bss to .init.dataDmitri Vorobiev2009-12-171-1/+1
| | | | | | | | | | | | | | | Several static uninitialized variables are used in the scope of __init functions but are themselves not marked as __initdata. This patch is to put those variables to where they belong and to reduce the memory footprint a little bit. Also, a couple of lines with spaces instead of tabs were fixed. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.com> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/698/ Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: IP32: Remove unnecessary if not even harmful volatile keywords.Ralf Baechle2009-05-221-3/+3
| | | | | | | They are unneeded and as the issue fixed in lmo commit 63f7ec59053e3f850ab67a9938e631bcba64c6ce shows even harmful. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: IP32: Fix build error due to uninitialized variable.Ralf Baechle2009-05-221-0/+1
| | | | | | | | | | | | CC arch/mips/sgi-ip32/ip32-reset.o cc1: warnings being treated as errors arch/mips/sgi-ip32/ip32-reset.c: In function 'debounce': arch/mips/sgi-ip32/ip32-reset.c:97: error: 'reg_a' is used uninitialized in this function The issues is old but due to the volatile keyword gcc older than 4.4 did not warn about this obvious bug. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: IP32: Fix hang on shutdown in power button interrupt handler.Andrew Randrianasulu2009-05-201-1/+1
| | | | | | | | | | | | | | The hang was caused by the use of disable_irq() from the interrupt handler itself. Fixed by the use of disable_irq_nosync(). The issue was triggered by: commit 3aa551c9b4c40018f0e261a178e3d25478dc04a9 Author: Thomas Gleixner <tglx@linutronix.de> Date: Mon Mar 23 18:28:15 2009 +0100 genirq: add threaded interrupt handler support Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: IP32: Fix needlessly global symbols in arch/mips/sgi-ip32/ip32-irq.cDmitri Vorobiev2009-05-141-2/+2
| | | | | | | | The following symbols are needlessly defined global: cpuerr_irq and memerr_irq. This patch makes the symbols static. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: IP32: ip32_be_handler symbol is needlessly defined globalDmitri Vorobiev2009-05-141-1/+1
| | | | | | | | The file arch/mips/sgi-ip32/ip32-berr.c needlessly defines the function ip32_be_handler() as global, and this patch makes it static. Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumaskLinus Torvalds2009-03-311-2/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask: oprofile: Thou shalt not call __exit functions from __init functions cpumask: remove the now-obsoleted pcibus_to_cpumask(): generic cpumask: remove cpumask_t from core cpumask: convert rcutorture.c cpumask: use new cpumask_ functions in core code. cpumask: remove references to struct irqaction's mask field. cpumask: use mm_cpumask() wrapper: kernel/fork.c cpumask: use set_cpu_active in init/main.c cpumask: remove node_to_first_cpu cpumask: fix seq_bitmap_*() functions. cpumask: remove dangerous CPU_MASK_ALL_PTR, &CPU_MASK_ALL
| * cpumask: remove references to struct irqaction's mask field.Rusty Russell2009-03-301-2/+0
| | | | | | | | | | | | | | | | | | | | Impact: cleanup It's unused, since about 1995. So remove all initialization of it in preparation for actually removing the field. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Thomas Gleixner <tglx@linutronix.de>
* | MIPS: Enable GENERIC_HARDIRQS_NO__DO_IRQ for all platformsRalf Baechle2009-03-301-18/+45
| | | | | | | | | | | | __do_IRQ() is deprecated and will go away. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | MIPS: Stop using <asm-generic/int-l64.h>.Ralf Baechle2009-03-301-1/+1
|/ | | | | | | This fixes a few warnings - and triggers a few new ones which the rest of this patch fixes. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: IP32: Add platform device for CMOS RTC; remove dead codeThomas Bogendoerfer2008-10-152-5/+16
| | | | | Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] IP32: Use common SGI button driverThomas Bogendoerfer2008-07-201-12/+1
| | | | | | | Use the Indy/O2 button driver. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] IP32: Add platform devices for audio and volume buttonThomas Bogendoerfer2008-07-151-0/+36
| | | | | | | Create platform devices for audio and volume button driver. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] IP32: Fix unexpected irq 71Thomas Bogendoerfer2008-07-031-0/+5
| | | | | | | | | | It's possible that the crime interrupt handler is called without pending interrupts (probably a hardware issue). To avoid irritating "unexpected irq 71" messages, we now just ignore the spurious crime interrupts. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] replace remaining __FUNCTION__ occurrencesHarvey Harrison2008-04-281-1/+1
| | | | | | | | __FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Fix IP32 breakageThomas Bogendoerfer2008-01-072-12/+9
| | | | | | | | | | | | | - suppress master aborts during config read - set io_map_base - only fixup end of iomem resource to avoid failing request_resource in serial driver - killed useless setting of crime_int bit, which caused wrong interrupts - use physcial address for serial port platform device and let 8250 driver do the ioremap Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] IP32: More interrupt renumbering fixes.Ralf Baechle2007-11-261-10/+14
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] IP32: Fix address of 2nd serial interface.Ralf Baechle2007-11-021-1/+1
| | | | | | Found by Giuseppe Sacco <giuseppe@eppesuigoccas.homedns.org>. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] IP32: Fixes after interrupt renumbering.Ralf Baechle2007-10-291-51/+77
| | | | | | And general untangling. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] IP32: Retire use of plat_timer_setup.Ralf Baechle2007-10-181-6/+0
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] IP32: Fix build by conversion to irq_cpu.c.Ralf Baechle2007-10-162-90/+74
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Fix "no space between function name and open parenthesis" warnings.Ralf Baechle2007-10-123-18/+18
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Implement clockevents for R4000-style cp0 count/compare interruptRalf Baechle2007-10-121-1/+1
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Deforest the function pointer jungle in the time code.Ralf Baechle2007-10-121-6/+6
| | | | | | | Hard to follow who is pointing what to where and why so it's simply getting in the way of the time code renovation. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] cleanup struct irqaction initializersThomas Gleixner2007-10-121-4/+12
| | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de> CC: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] IP32: Fix initialization of UART base addresses.Ralf Baechle2007-09-281-2/+2
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Use -Werror on subdirectories which build cleanly.Ralf Baechle2007-07-311-0/+2
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] IP32: Don't ignore request_irq's return value.Ralf Baechle2007-07-311-1/+2
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Put an end to <asm/serial.h>'s long and annyoing existenceRalf Baechle2007-07-102-36/+52
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* meth driver renovationRalf Baechle2007-05-242-1/+21
| | | | | | | | | | | | | | | The meth ethernet driver for the SGI IP32 aka O2 is so far still an old style driver which does not use the device driver model. This is now causing issues with some udev based gadgetry in debian-stable. Fixed by converting the meth driver to a platform device. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> -- Fixes since previous patch: o Fixed typo in meth_exit_module() Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [MIPS] Misc fixes for plat_irq_dispatch functionsThiemo Seufer2007-03-191-1/+1
| | | | | | | | | | | | o adds missing ST0_IM masks, which caused the logging of valid interrupts as spurious o stops pnx8550 to log every interrupt as spurious o adds cause register masks for ip22/ip32, which caused handling of masked interrupts o removes some superfluous parentheses in the SNI interrupt code Signed-Off-By: Thiemo Seufer <ths@networkno.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Kill redundant EXTRA_AFLAGSAtsushi Nemoto2007-02-271-2/+0
| | | | | | | | | | Many Makefiles in arch/mips have EXTRA_AFLAGS := $(CFLAGS) line. This is redundant while AFLAGS contains $(cflags-y) and any options only listed in CFLAGS (not in cflags-y) should be unnecessary for asm sources. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] use name instead of typename for each irq_chipAtsushi Nemoto2007-02-061-5/+5
| | | | | | | The "typename" field was obsoleted by the "name" field. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] prom_free_prom_memory cleanupAtsushi Nemoto2007-02-061-2/+1
| | | | | | | | | Current prom_free_prom_memory() implementations are almost same as free_init_pages(), or no-op. Make free_init_pages() extern (again) and make prom_free_prom_memory() use it. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] IRQ cleanupsAtsushi Nemoto2006-11-301-113/+20
| | | | | | | | | | | | | | | | | | | | | This is a big irq cleanup patch. * Use set_irq_chip() to register irq_chip. * Initialize .mask, .unmask, .mask_ack field. Functions for these method are already exist in most case. * Do not initialize .startup, .shutdown, .enable, .disable fields if default routines provided by irq_chip_set_defaults() were suitable. * Remove redundant irq_desc initializations. * Remove unnecessary local_irq_save/local_irq_restore, spin_lock. With this cleanup, it would be easy to switch to slightly lightwait irq flow handlers (handle_level_irq(), etc.) instead of __do_IRQ(). Though whole this patch is quite large, changes in each irq_chip are not quite simple. Please review and test on your platform. Thanks. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] A few more pt_regs fixups.Ralf Baechle2006-10-191-1/+1
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Cleanup unnecessary <asm/ptrace.h> inclusions.Ralf Baechle2006-10-091-1/+0
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Complete fixes after removal of pt_regs argument to int handlers.Ralf Baechle2006-10-082-29/+25
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [PATCH] replace cad_pid by a struct pidCedric Le Goater2006-10-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | There are a few places in the kernel where the init task is signaled. The ctrl+alt+del sequence is one them. It kills a task, usually init, using a cached pid (cad_pid). This patch replaces the pid_t by a struct pid to avoid pid wrap around problem. The struct pid is initialized at boot time in init() and can be modified through systctl with /proc/sys/kernel/cad_pid [ I haven't found any distro using it ? ] It also introduces a small helper routine kill_cad_pid() which is used where it seemed ok to use cad_pid instead of pid 1. [akpm@osdl.org: cleanups, build fix] Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [MIPS] Replace board_timer_setup function pointer by plat_timer_setup.Ralf Baechle2006-07-131-2/+2
| | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---
* [MIPS] IP32: Fix wreckage caused by recent SA_* constant replacement.Thiemo Seufer2006-07-131-4/+4
| | | | | Signed-off-by: Thiemo Seufer <ths@networkno.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Eleminate interrupt migration helper use.Ralf Baechle2006-07-131-6/+6
| | | | | | | | | > #define hw_interrupt_type irq_chip > typedef struct irq_chip hw_irq_controller; > #define no_irq_type no_irq_chip > typedef struct irq_desc irq_desc_t; Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [PATCH] irq-flags: MIPS: Use the new IRQF_ constantsThomas Gleixner2006-07-021-6/+6
| | | | | | | | | | | | Use the new IRQF_ constants and remove the SA_INTERRUPT define Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: "David S. Miller" <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Remove obsolete #include <linux/config.h>Jörn Engel2006-06-301-1/+0
| | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
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