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* sparc/irq: Use helper irq_data_get_irq_handler_data()Jiang Liu2015-07-311-2/+2
| | | | | | | | | | | Use helper function irq_data_get_irq_handler_data() to hide irq_desc implementation details. This allows to move irq_data->handler_data to irq_data_common, once all usage sites are converted. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Cc: David S. Miller <davem@davemloft.net> Link: http://lkml.kernel.org/r/1433145945-789-9-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* sparc32: fix sparse warnings in sun4d_irq.cSam Ravnborg2014-04-291-8/+9
| | | | | | | | | | | | | | | Fix following warnings: sun4d_irq.c:146:6: warning: symbol 'sun4d_handler_irq' was not declared. Should it be static? sun4d_irq.c:239:17: warning: symbol 'sun4d_irq' was not declared. Should it be static? sun4d_irq.c:288:14: warning: symbol '_sun4d_build_device_irq' was not declared. Should it be static? sun4d_irq.c:323:14: warning: symbol 'sun4d_build_device_irq' was not declared. Should it be static? sun4d_irq.c:386:14: warning: symbol 'sun4d_build_timer_irq' was not declared. Should it be static? sun4d_irq.c:482:13: warning: symbol 'sun4d_init_sbi_irq' was not declared. Should it be static? Apply static when applicable, otherwise add prototype Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Include missing linux/slab.h inclusionsDavid Howells2013-04-291-0/+1
| | | | | | | | | | | | | | | Include missing linux/slab.h inclusions where the source file is currently expecting to get kmalloc() and co. through linux/proc_fs.h. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> cc: linux-s390@vger.kernel.org cc: sparclinux@vger.kernel.org cc: linux-efi@vger.kernel.org cc: linux-mtd@lists.infradead.org cc: devel@driverdev.osuosl.org cc: x86@kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* sparc32: remove remaining users of btfixupSam Ravnborg2012-05-141-3/+2
| | | | | | | | Use sparc_config to hold the last two function pointers. There was no point generating dedicated _ops structures only for these. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: move smp ipi to method opsSam Ravnborg2012-05-141-8/+0
| | | | | | | | | | | I ended up renaming set_cpu_int to send_ipi to be consistent all way around. send_ipi was moved to the *_smp.c files so we could call the relevant method direct, without any _ops indirection. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: Move cache and TLB flushes over to method ops.David S. Miller2012-05-131-1/+2
| | | | | | | | | | | | | | | | | This eliminated most of the remaining users of btfixup. There are some complications because of the special cases we have for sun4d, leon, and some flavors of viking. It was found that there are no cases where a flush_page_for_dma method was not hooked up to something, so the "noflush" iommu methods were removed. Add some documentation to the viking_sun4d_smp_ops to describe exactly the hardware bug which causes us to need special TLB flushing on sun4d. Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: drop unused clear_cpu_intSam Ravnborg2012-05-131-5/+0
| | | | | Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: drop unused set_irq_udtSam Ravnborg2012-05-131-5/+0
| | | | | Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: generic clockevent supportTkhai Kirill2012-04-151-4/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The kernel uses l14 timers as clockevents. l10 timer is used as clocksource if platform master_l10_counter isn't constantly zero. The clocksource is continuous, so it's possible to use high resolution timers. l10 timer is also used as clockevent on UP configurations. This realization is for sun4m, sun4d, sun4c, microsparc-IIep and LEON platforms. The appropriate LEON changes was made by Konrad Eisele. In case of sun4m's oneshot mode, profile irq is zeroed in smp4m_percpu_timer_interrupt(). It is maybe needless (double, triple etc overflow does nothing). sun4d is able to have oneshot mode too, but I haven't any way to test it. So code of its percpu timer handler is made as much equal to the current code as possible. The patch is tested on sun4m box in SMP mode by me, and tested by Konrad on leon in up mode (leon smp is broken atm - due to other reasons). Signed-off-by: Tkhai Kirill <tkhai@yandex.ru> Tested-by: Konrad Eisele <konrad@gaisler.com> [leon up] [sam: revised patch to provide generic support for leon] Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: rename sparc_irq_config to sparc_configSam Ravnborg2012-04-151-2/+2
| | | | | | | | | This struct holds platform specific config and is thus not limited to irq stuff. Do not let the name confuse us to think this is irq only. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Add support for allocating irqs for bootbus devicesoftedal2011-06-071-12/+22
| | | | | | | | | | | Some devices that can generate interrupts are connected directly to the CPU through the bootbus on sun4d. This patch allows IRQs to be allocated for such devices. The information used for allocating interrupts for sbus devices are present at the corresponding SBI node. For bootbus devices this information is present in the bootbus node. Signed-off-by: Kjetil Oftedal <oftedal@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Do not skip interrupt sources in sun4d interrupt handler and acknowledge ↵oftedal2011-06-071-9/+5
| | | | | | | | | | | | | | | | | | | | | | | interrupts correctly During the introduction of genirq on sparc32 bugs were introduced in the interrupt handler for sun4d. The interrupts handler checks the status of the various sbus interfaces in the system and generates a virtual interrupt, based upon the location of the interrupt source. This lookup was broken by restructuring the code in such a way that index and shift operations were performed prior to comparing this against the values read from the interrupt controllers. This could cause the handler to loop eternally as the interrupt source could be skipped before any check was performed. Additionally sun4d_encode_irq performs shifting internally, so it should not be performed twice. In sun4d_unmask interrupts were not correctly acknowledged, as the corresponding bit it the interrupt mask was not actually cleared. Signed-off-by: Kjetil Oftedal <oftedal@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Restructure sun4d_build_device_irq so that timer interrupts can be allocatedoftedal2011-06-071-24/+54
| | | | | | | | | | | | | | | sun4d_build_device_irq was called without a valid platform_device when the system timer was initialized on sun4d systems. This caused a NULL pointer crash. Josip Rodin suggested that the current sun4d_build_device_irq should be split into two functions. So that the timer initialization could skip the slot and sbus interface detection code in sun4d_build_device_irq, as this does not make sence due to the timer interrupts not being generated from a device located on sbus. Signed-off-by: Kjetil Oftedal <oftedal@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32, sun4d: Implemented SMP IPIs support for SUN4D machinesDaniel Hellstrom2011-05-161-0/+9
| | | | | | | | | | | | | | | | | | | The sun4d does not seem to have a distingstion between soft and hard IRQs. When generating IPIs the generated IRQ looks like a hard IRQ, this patch adds a "IPI check" in the sun4d irq trap handler at a predefined IRQ number (SUN4D_IPI_IRQ). Before generating an IPI a per-cpu memory structure is modified for the "IPI check" to successfully detect a IPI request to a specific processor, the check clears the IPI work requested. All three IPIs (resched, single and cpu-mask) use the same IRQ number. The IPI IRQ should preferrably be on a separate IRQ and definitly not shared with IRQ handlers requesting IRQ with IRQF_SHARED. Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: always define boot_cpu_idDaniel Hellstrom2011-04-211-3/+2
| | | | | | | | | | | | | | | | | | Define boot_cpu_id in single-processor kernels as well. This is to support architectures which can boot on other than CPU0. Sam Ravnborg has written the cleanup parts by extracting boot_cpu_id from smp_32.c into setup_32.c and cleaned up sun4d_irq.c. boot_cpu_id was initialized before BSS was cleared in sun4c_continue_boot, instead boot_cpu_id is set to 0xff to avoid BSS. If boot_cpu_id is untouched (0xff) by bootup code it will be overwritten to 0. boot_cpu_id4 is automatically calculated in common code. Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: genirq supportSam Ravnborg2011-04-191-308/+164
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The conversion of sparc32 to genirq is based on original work done by David S. Miller. Daniel Hellstrom has helped in the conversion and implemented the shutdowm functionality. Marcel van Nies <morcles@gmail.com> has tested this on Sparc Station 20 Test status: sun4c - not tested sun4m,pci - not tested sun4m,sbus - tested (Sparc Classic, Sparc Station 5, Sparc Station 20) sun4d - not tested leon - tested on various combinations of leon boards, including SMP variants generic Introduce use of GENERIC_HARDIRQS and GENERIC_IRQ_SHOW Allocate 64 IRQs - which is enough even for SS2000 Use a table of irq_bucket to maintain uses IRQs irq_bucket is also used to chain several irq's that must be called when the same intrrupt is asserted Use irq_link to link a interrupt source to the irq All plafforms must now supply their own build_device_irq method handler_irq rewriten to use generic irq support floppy Read FLOPPY_IRQ from platform device Use generic request_irq to register the floppy interrupt Rewrote sparc_floppy_irq to use the generic irq support pcic: Introduce irq_chip Store mask in chip_data for use in mask/unmask functions Add build_device_irq for pcic Use pcic_build_device_irq in pci_time_init allocate virtual irqs in pcic_fill_irq sun4c: Introduce irq_chip Store mask in chip_data for use in mask/unmask functions Add build_device_irq for sun4c Use sun4c_build_device_irq in sun4c_init_timers sun4m: Introduce irq_chip Introduce dedicated mask/unmask methods Introduce sun4m_handler_data that allow easy access to necessary data in the mask/unmask functions Add a helper method to enable profile_timer (used from smp) Added sun4m_build_device_irq Use sun4m_build_device_irq in sun4m_init_timers TODO: There is no replacement for smp_rotate that always scheduled next CPU as interrupt target upon an interrupt sun4d: Introduce irq_chip Introduce dedicated mask/unmask methods Introduce sun4d_handler_data that allow easy access to necessary data in mask/unmask fuctions Rewrote sun4d_handler_irq to use generic irq support TODO: The original implmentation of enable/disable had: if (irq < NR_IRQS) return; The new implmentation does not distingush between SBUS and cpu interrupts. I am no sure what is right here. I assume we need to do something for the cpu interrupts. I have not succeeded booting my sun4d box (with or without this patch) and my understanding of this platfrom is limited. So I would be a bit suprised if this works. leon: Introduce irq_chip Store mask in chip_data for use in mask/unmask functions Add build_device_irq for leon Use leon_build_device_irq in leon_init_timers Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Daniel Hellstrom <daniel@gaisler.com> Tested-by: Daniel Hellstrom <daniel@gaisler.com> Tested-by: Marcel van Nies <morcles@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32,sun4d: rename sbus_tid to board_to_cpu in irq supportSam Ravnborg2011-04-191-5/+9
| | | | | | | The new name reflects the actual usage much better. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: introduce build_device_irqSam Ravnborg2011-03-161-0/+51
| | | | | | | | | | | build_device_irq() is used to encapsulate the plaform specific details when we build an irq. For now the default is a simple 1:1 but sun4d differs. This patch refactors functionality - but does not change the existing functionality. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: introduce sparc_irq_configSam Ravnborg2011-03-161-1/+3
| | | | | | | sparc_irq_config is used to hold the platform specific irq setup. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32, sun4d: add comment in empty statement in sun4d_request_irq()Sam Ravnborg2011-03-161-1/+2
| | | | | | | | This looked like a bug to me. Add a comment so next reader is hopefully less confused. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32,sun4d: drop unused code in sun4d_distribute_irqs()Sam Ravnborg2011-03-161-47/+0
| | | | | | | | The preprocessor symbol was not defined and the code was therefore not in use. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32,sun4d: irq, smp files cleanupSam Ravnborg2011-03-161-86/+109
| | | | | | | | | | | | | | | | | - drop filename in file header - drop unused includes - add description of sun4d interrupts (from davem) - add KERN_* to printk - fix spaces => tabs - add spaces after reserved words - fix indent of a whole code block in smp4d_boot_one_cpu() Note: two printk() was updated from debug to KERN_INFO in this code block - drop all externs, they are now in header files This is partly based on a patch from: David Miller <davem@davemloft.net> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc: in handler_irq() rename irq parameter to pilSam Ravnborg2011-03-161-9/+9
| | | | | | | | | | | The generic irq support uses "irq" to identify the virtual irq number. To avoid confusion rename the argument to handler_irq() to pil to match the name of the parameter in the PCR register. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* arch/sparc/kernel: Eliminate what looks like a NULL pointer dereferenceJulia Lawall2010-06-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | At the point of the test, action cannot be NULL, as it has been dereferenced in the code just above. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ expression E,E1; identifier f; statement S1,S2,S3; @@ if ((E == NULL && ...) || ...) { ... when != if (...) S1 else S2 when != E = E1 * E->f ... when any } else S3 // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
* cpumask: remove references to struct irqaction's mask field.Rusty Russell2009-03-301-1/+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>
* sparc: fix sparse warnings in irq_32.cSam Ravnborg2008-12-081-1/+1
| | | | | | | | | | | | | | | | | | | | | Fix following sparse warnings: symbol 'static_irqaction' was not declared. Should it be static? symbol 'static_irq_count' was not declared. Should it be static? symbol 'irq_action_lock' was not declared. Should it be static? symbol 'unexpected_irq' was not declared. Should it be static? symbol 'handler_irq' was not declared. Should it be static? returning void-valued expression returning void-valued expression returning void-valued expression symbol 'init_IRQ' was not declared. Should it be static? Warnings were fixed by addding proper declarations and fixing return path of a few functions. There remains several warnings all related to the floppy driver. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc: Add missing of_node_putNicolas Palix2008-12-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | of_node_put is needed before discarding a value received from of_find_node_by_name, eg in error handling code or when the device node is no longer used. The semantic match that catches the bug is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression struct device_node *n; position p1, p2; struct device_node *n1; statement S; identifier f; expression E; expression *ptr != NULL; @@ n@p1 = of_find_node_by_name(...) ... if (!n) S ... when != of_node_put(n) when != n1 = f(n,...) when != E = n when any when strict ( return \(0\|<+...n...+>\|ptr\); | return@p2 ...; | of_node_put(n); | n1 = f(n,...) | E = n ) @script:python@ p1 << r.p1; p2 << r.p2; @@ print "* file: %s of_find_node_by_name %s return %s" % (p1[0].file,p1[0].line,p2[0].line) // </smpl> Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: Delete master_l10_limit.David S. Miller2008-09-191-1/+0
| | | | | | It is only set, never used. Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: Kill clear_profile_irq btfixup entry.David S. Miller2008-09-191-6/+0
| | | | | | Unused. Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: Remove some SMP ifdefs in sun4d_irq.cDavid S. Miller2008-09-191-26/+16
| | | | | | Always do the sbus_tid[] handling. Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: Use PROM infrastructure for probing and mapping sun4d timers.David S. Miller2008-09-191-56/+83
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: Move sun4d show_leds() out of asm/obio.hDavid S. Miller2008-09-081-1/+0
| | | | | | Put it, as well as cpu_leds[] array, into sun4d_irq.c Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc: Convert remaining sbus_ioremap() and sbus_iounmap() users.David S. Miller2008-08-291-2/+3
| | | | | | Use of_ioremap() and of_iounmap() instead. Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc: Kill SBUS layer IRQ hooks.David S. Miller2008-08-291-21/+0
| | | | | | IRQs are obtained by drivers from the of_device struct. Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc32: Convert sun4d IRQ code to use generic device tree probing.David S. Miller2008-08-291-35/+48
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc/kernel/: possible cleanupsAdrian Bunk2008-07-171-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch contains the following possible cleanups: - make the following needlessly global code static: - apc.c: apc_swift_idle() - ebus.c: ebus_blacklist_irq() - ebus.c: fill_ebus_child() - ebus.c: fill_ebus_device() - entry.S: syscall_is_too_hard - etra: tsetup_sun4c_stackchk - head.S: cputyp - head.S: prom_vector_p - idprom.c: Sun_Machines[] - ioport.c: _sparc_find_resource() - ioport.c: create_proc_read_entry() - irq.c: struct sparc_irq[] - rtrap.S: sun4c_rett_stackchk - setup.c: prom_sync_me() - setup.c: boot_flags - sun4c_irq.c: sun4c_sbint_to_irq() - sun4d_irq.c: sbus_tid[] - sun4d_irq.c: struct sbus_actions - sun4d_irq.c: sun4d_sbint_to_irq() - sun4m_irq.c: sun4m_sbint_to_irq() - sun4m_irq.c: sun4m_get_irqmask() - sun4m_irq.c: sun4m_timers - sun4m_smp.c: smp4m_cross_call() - sun4m_smp.c: smp4m_blackbox_id() - sun4m_smp.c: smp4m_blackbox_current() - time.c: sp_clock_typ - time.c: sbus_time_init() - traps.c: instruction_dump() - wof.S: spwin_sun4c_stackchk - wuf.S: sun4c_fwin_stackchk - #if 0 the following unused code: - process.c: sparc_backtrace_lock - process.c: __show_backtrace() - process.c: show_backtrace() - process.c: smp_show_backtrace_all_cpus() - remove the following unused code: - entry.S: __handle_exception - smp.c: smp_num_cpus - smp.c: smp_activated - smp.c: __cpu_number_map[] - smp.c: __cpu_logical_map[] - smp.c: bitops_spinlock - traps.c: trap_curbuf - traps.c: trapbuf[] - traps.c: linux_smp_still_initting - traps.c: thiscpus_tbr - traps.c: thiscpus_mid Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sparc: remove CVS keywordsAdrian Bunk2008-05-201-1/+1
| | | | | | | | This patch removes the CVS keywords that weren't updated for a long time from comments. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC32]: Take enable_irq/disable_irq out of line.Al Viro2007-07-211-2/+2
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC32]: clean include/asm-sparc/irq.hAl Viro2007-07-211-0/+2
| | | | | | | | | Move stuff used only by arch/sparc/kernel/* into arch/sparc/kernel/irq.h and into individual files in there (e.g. macros internal to sun4m_irq.c, etc.) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Spelling fixes.Simon Arlott2007-05-111-1/+1
| | | | | | | Spelling fixes in arch/sparc/. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: David S. Miller <davem@davemloft.net>
* header cleaning: don't include smp_lock.h when not usedRandy Dunlap2007-05-081-1/+0
| | | | | | | | | | | | Remove includes of <linux/smp_lock.h> where it is not used/needed. Suggested by Al Viro. Builds cleanly on x86_64, i386, alpha, ia64, powerpc, sparc, sparc64, and arm (all 59 defconfigs). Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] getting rid of all casts of k[cmz]alloc() callsRobert P. J. Day2006-12-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Run this: #!/bin/sh for f in $(grep -Erl "\([^\)]*\) *k[cmz]alloc" *) ; do echo "De-casting $f..." perl -pi -e "s/ ?= ?\([^\)]*\) *(k[cmz]alloc) *\(/ = \1\(/" $f done And then go through and reinstate those cases where code is casting pointers to non-pointers. And then drop a few hunks which conflicted with outstanding work. Cc: Russell King <rmk@arm.linux.org.uk>, Ian Molton <spyro@f2s.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Greg KH <greg@kroah.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Paul Fulghum <paulkf@microgate.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Karsten Keil <kkeil@suse.de> Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: Jeff Garzik <jeff@garzik.org> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Ian Kent <raven@themaw.net> Cc: Steven French <sfrench@us.ibm.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Neil Brown <neilb@cse.unsw.edu.au> Cc: Jaroslav Kysela <perex@suse.cz> Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [SPARC]: Check kzalloc() return value in SUN4D irq/iommu init.David S. Miller2006-12-101-0/+4
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Replace kmalloc+memset with kzallocYan Burman2006-12-101-2/+1
| | | | | | | Replace kmalloc+memset with kzalloc Signed-off-by: Yan Burman <burman.yan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* IRQ: Use the new typedef for interrupt handler function pointersDavid Howells2006-10-091-2/+2
| | | | | | | | | | | | | | | | Use the new typedef for interrupt handler function pointers rather than actually spelling out the full thing each time. This was scripted with the following small shell script: #!/bin/sh egrep -nHrl -e 'irqreturn_t[ ]*[(][*]' $* | while read i do echo $i perl -pi -e 's/irqreturn_t\s*[(]\s*[*]\s*([_a-zA-Z0-9]*)\s*[)]\s*[(]\s*int\s*,\s*void\s*[*]\s*[)]/irq_handler_t \1/g' $i || exit $? done Signed-Off-By: David Howells <dhowells@redhat.com>
* [PATCH] sparc32 pt_regs fixesAl Viro2006-10-081-4/+8
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] irq-flags: SPARC: 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> 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>
* [SPARC]: Kill __irq_itoa().David S. Miller2006-06-201-12/+0
| | | | | | | | | | | | | | | | | | This ugly hack was long overdue to die. It was a way to print out Sparc interrupts in a more freindly format, since IRQ numbers were arbitrary opaque 32-bit integers which vectored into PIL levels. These 32-bit integers were not necessarily in the 0-->NR_IRQS range, but the PILs they vectored to were. The idea now is that we will increase NR_IRQS a little bit and use a virtual<-->real IRQ number mapping scheme similar to PowerPC. That makes this IRQ printing hack irrelevant, and furthermore only a handful of drivers actually used __irq_itoa() making it even less useful. Signed-off-by: David S. Miller <davem@davemloft.net>
* [SPARC]: Try to start getting SMP back into shape.Bob Breuer2006-03-231-1/+1
| | | | | | | | | | | | | | | | | Todo items: - IRQ_INPROGRESS flag - use sparc64 irq buckets, or generic irq_desc? - sun4d - re-indent large chunks of sun4m_smp.c - some places assume sequential cpu numbering (i.e. 0,1 instead of 0,2) Last I checked (with 2.6.14), random programs segfault with dual HyperSPARC. And with SuperSPARC II's, it seems stable but will eventually die from a write lock error (wrong lock owner or something). I haven't tried the HyperSPARC + highmem combination recently, so that may still be a problem. Signed-off-by: David S. Miller <davem@davemloft.net>
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