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* [POWERPC] Allow MPC8641 HPCN to build with CONFIG_PCI disabled too.Jon Loeliger2006-08-25
| | | | | Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Fix powerpc 44x_mmu buildMatt Porter2006-08-24
| | | | | | | The PIN_SIZE definition name changed, update 44x_mmu.c accordingly. Signed-off-by: Matt Porter <mporter@embeddedalley.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Remove flush_dcache_all exportMatt Porter2006-08-24
| | | | | | | | | | Removes the flush_dcache_all export for non coherent platforms. We removed the last in-kernel user of this years ago in arch/ppc so it no longer serves a purpose. Plus, it breaks the build at the moment. Signed-off-by: Matt Porter <mporter@embeddedalley.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] hugepage BUG fixAdam Litke2006-08-23
| | | | | | | | | | | | | | | | | | | | | | On Tue, 2006-08-15 at 08:22 -0700, Dave Hansen wrote: > kernel BUG in cache_free_debugcheck at mm/slab.c:2748! Alright, this one is only triggered when slab debugging is enabled. The slabs are assumed to be aligned on a HUGEPTE_TABLE_SIZE boundary. The free path makes use of this assumption and uses the lowest nibble to pass around an index into an array of kmem_cache pointers. With slab debugging turned on, the slab is still aligned, but the "working" object pointer is not. This would break the assumption above that a full nibble is available for the PGF_CACHENUM_MASK. The following patch reduces PGF_CACHENUM_MASK to cover only the two least significant bits, which is enough to cover the current number of 4 pgtable cache types. Then use this constant to mask out the appropriate part of the huge pte pointer. Signed-off-by: Adam Litke <agl@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Fix compile problem without CONFIG_PCILi Yang2006-08-23
| | | | | | | | | | Compile fails without defining CONFIG_PCI. The patch fix this. [paulus@samba.org: Moved of_irq_pci_swizzle so we only need one #ifdef] Signed-off-by: Li Yang <leoli@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Correct masks used in emulating some instructionsPaul Mackerras2006-08-23
| | | | | | | | | | | When we get an illegal instruction exception, we check to see whether the instruction is one that we emulate for the user program. Some of the masks we use in checking whether the offending instruction is one we care about didn't have the top bit set, which is the MSB of the major opcode. Thus some undefined opcodes could get emulated as other (defined but unimplemented) instructions. This corrects the masks. Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Pass UPIO_TSI flag to 8259 serial driverZang Roy-r619112006-08-23
| | | | | | | The patch passes the UPIO_TSI flag to general 8259 serial driver Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Update mpc7448hpc2 board irq support using device treeZang Roy-r619112006-08-23
| | | | | | | | The patch rewrites mpc7448hpc2 board irq support according to the new mpic device tree interface. Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Fix BootX booting with an initrdBenjamin Herrenschmidt2006-08-23
| | | | | | | | | | | The bootx_init.c trampoline didn't properly add the ramdisk to the "reserve map" (list of reserved areas of memory), thus causing all sorts of failures when using BootX with an initrd. Also fixes a possible problem if the ramdisk is located before the device-tree passed by BootX. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Fix gettimeofday inaccuraciesNathan Lynch2006-08-23
| | | | | | | | | | | | | | | | | | | | | | | | | | There are two problems in the powerpc gettimeofday code which can cause incorrect results to be returned. The first is that there is a race between do_gettimeofday and the timer interrupt: 1. do_gettimeofday does get_tb() 2. decrementer exception on boot cpu which runs timer_recalc_offset, which also samples the timebase and updates the do_gtod structure with a greater timebase value. 3. do_gettimeofday calls __do_gettimeofday, which leads to the negative result from tb_val - temp_varp->tb_orig_stamp. The second is caused by taking the boot cpu offline, which can cause the value of tb_last_jiffy to be increased past the currently available timebase, causing the same underflow as above. [paulus@samba.org - define and use data_barrier() instead of mb().] Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Fix FEC node in 8540 ADS dtsAndy Fleming2006-08-23
| | | | | | | * Fixed the FEC node, and its accompanying PHY * Fixed a spacing issue in the PIC node Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Rewrite the PPC 86xx IRQ handling to use Flat Device TreeJon Loeliger2006-08-23
| | | | | | | | | | | IRQ setup now comes from the Flat Device Tree and use the new generic IRQ code. Fixed the fsl_soc.c IRQ OF interrupt node parsing. Removed some unused MPC86xx macro definition. Signed-off-by: Zhang Wei <wei.zhang@freescale.com> Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org> (cherry picked from 919fede6edab94cccb3ca8c1c0b32fa62c9369a5 commit)
* [POWERPC] Add 85xx DTS files to powerpcAndy Fleming2006-08-23
| | | | | | Added the mpc85xx family of dts files to the powerpc tree Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Fix CDS IRQ handling and PCI codeAndy Fleming2006-08-23
| | | | | | | | | | | | * Fix IRQ support in the 85xx CDS boards so it uses the new generic stuff * Fix PCI IRQ mapping to use the device tree * Disabled i8259 support to allow the CDS to boot. This will be fixed soon, but the current code doesn't even compile, so this is a vast improvement Signed-off-by: Andy Fleming <afleming@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Fix interrupts on 8540 ADS boardAndy Fleming2006-08-23
| | | | | | | | | * Fixed 8540 ADS support for the new irq layer * Fixed 8540 ADS support for mapping PCI interrupts * Updated 8540 ADS to use device tree for interrupt assignment and sense values Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Fix the mpc8641_hpcn.dts file.Jon Loeliger2006-08-17
| | | | | | | | Add 'linux,phandle' entry to i8259@4d0 node. Signed-off-by: Zhang Wei <wei.zhang@freescale.com> Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Offer PCI as a CONFIG choice for PPC_86xx.Jon Loeliger2006-08-17
| | | | | | | Also fix 80-column run-over. Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Add MPC8641 HPCN Device Tree Source file.Jon Loeliger2006-08-17
| | | | | | | | As per list discussion, let's add device tree source files under powerpc/boot/dts. If nothing else, it is a starting point. Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Convert to mac-address for ethernet MAC address data.Jon Loeliger2006-08-17
| | | | | | | | | | Also accept "local-mac-address". However the old "address" is now obsolete, but accepted for backwards compatibility. It should be removed after all device trees have been converted to use "mac-address". Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] powerpc: Clear HID0 attention enable on PPC970 at boot timeOlof Johansson2006-08-17
| | | | | | | Clear HID0[en_attn] at CPU init time on PPC970. Closes CVE-2006-4093. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Fix irq radix tree remapping typoBenjamin Herrenschmidt2006-08-17
| | | | | | | | | | The code for using the radix tree for reverse mapping of interrupts has a typo that causes it to create incorrect mappings if the software and hardware numbers happen to be different. This would, among others, cause the IDE interrupt to fail on js20's. This fixes it. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] kprobes: Fix possible system crash during out-of-line single-steppingAnanth N Mavinakayanahalli2006-08-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - On archs that have no-exec support, we vmalloc() a executable scratch area of PAGE_SIZE and divide it up into an array of slots of maximum instruction size for that arch - On a kprobe registration, the original instruction is copied to the first available free slot, so if multiple kprobes are registered, chances are, they get contiguous slots - On POWER4, due to not having coherent icaches, we could hit a situation where a probe that is registered on one processor, is hit immediately on another. This second processor could have fetched the stream of text from the out-of-line single-stepping area *before* the probe registration completed, possibly due to an earlier (and a different) kprobe hit and hence would see stale data at the slot. Executing such an arbitrary instruction lead to a problem as reported in LTC bugzilla 23555. The correct solution is to call flush_icache_range() as soon as the instruction is copied for out-of-line single-stepping, so the correct instruction is seen on all processors. Thanks to Will Schmidt who tracked this down. Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Acked-by: Will Schmidt <will_schmidt@vnet.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Make crash.c work on 32-bit and 64-bitMichael Ellerman2006-08-17
| | | | | | | | | To compile kexec on 32-bit we need a few more bits and pieces. Rather than add empty definitions, we can make crash.c work on 32-bit, with only a couple of kludges. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Move some kexec logic into machine_kexec.cMichael Ellerman2006-08-17
| | | | | | | | | We're missing a few functions for kexec to compile on 32-bit. There's nothing really 64-bit specific about the 64-bit versions, so make them generic rather than adding empty definitions for 32-bit. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] update {g5,iseries,pseries}_defconfigsWill Schmidt2006-08-17
| | | | | | | | | | | Updating the defconfigs for iseries, pseries, and G5. Sticking with the defaults, with the following exceptions: I've turned off HW_RANDOM for all three configs. For G5, I've enabled SND_AOA and friends as modules; this includes the FABRIC_LAYOUT, ONYX, TAS, TOONIE and SOUNDBUS* config options. Signed-off-by: Will Schmidt <will_schmidt@vnet.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Make secondary CPUs call into kdump on reset exceptionDavid Wilder2006-08-17
| | | | | | | | | | | | | | | | | | | | In the case of a system hang, the user will invoke soft-reset to initiate the kdump boot. If xmon is enabled, the CPU(s) enter into the xmon debugger. Unfortunately, the secondary CPU(s) will return to the hung state when they exit from the debugger (returned from die() -> system_reset_exception()). This causes a problem in kdump since the hung CPU(s) will not respond to the IPI sent from kdump. This patch fixes the issue by calling crash_kexec_secondary() directly from system_reset_exception() without returning to the previous state. These secondary CPUs wait 5ms until the kdump boot is started by the primary CPU. In the case we exited from the debugger to "recover" (command 'x' in xmon) the primary and the secondary CPUs will all return from die() -> system_reset_exception() ->crash_kexec_secondary() wait 5ms, then return to the previous state. A kdump boot is not started in this case. Signed-off-by: Haren Myneni <haren@us.ibm.com> Signed-off-by: David Wilder <dwilder@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Fix might-sleep warning on removing cpusHaren Myneni2006-08-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Noticing the following might_sleep warning (dump_stack()) during kdump testing when CONFIG_DEBUG_SPINLOCK_SLEEP is enabled. All secondary CPUs will be calling rtas_set_indicator with interrupts disabled to remove them from global interrupt queue. BUG: sleeping function called from invalid context at arch/powerpc/kernel/rtas.c:463 in_atomic():1, irqs_disabled():1 Call Trace: [C00000000FFFB970] [C000000000010234] .show_stack+0x68/0x1b0 (unreliable) [C00000000FFFBA10] [C000000000059354] .__might_sleep+0xd8/0xf4 [C00000000FFFBA90] [C00000000001D1BC] .rtas_busy_delay+0x20/0x5c [C00000000FFFBB20] [C00000000001D8A8] .rtas_set_indicator+0x6c/0xcc [C00000000FFFBBC0] [C000000000048BF4] .xics_teardown_cpu+0x118/0x134 [C00000000FFFBC40] [C00000000004539C] .pseries_kexec_cpu_down_xics+0x74/0x8c [C00000000FFFBCC0] [C00000000002DF08] .crash_ipi_callback+0x15c/0x188 [C00000000FFFBD50] [C0000000000296EC] .smp_message_recv+0x84/0xdc [C00000000FFFBDC0] [C000000000048E08] .xics_ipi_dispatch+0xf0/0x130 [C00000000FFFBE50] [C00000000009EF10] .handle_IRQ_event+0x7c/0xf8 [C00000000FFFBF00] [C0000000000A0A14] .handle_percpu_irq+0x90/0x10c [C00000000FFFBF90] [C00000000002659C] .call_handle_irq+0x1c/0x2c [C00000000058B9C0] [C00000000000CA10] .do_IRQ+0xf4/0x1a4 [C00000000058BA50] [C0000000000044EC] hardware_interrupt_entry+0xc/0x10 --- Exception: 501 at .plpar_hcall_norets+0x14/0x1c LR = .pseries_dedicated_idle_sleep+0x190/0x1d4 [C00000000058BD40] [C00000000058BDE0] 0xc00000000058bde0 (unreliable) [C00000000058BDF0] [C00000000001270C] .cpu_idle+0x10c/0x1e0 [C00000000058BE70] [C000000000009274] .rest_init+0x44/0x5c To fix this issue, rtas_set_indicator_fast() is added so that will not wait for RTAS 'busy' delay and this new function is used for kdump (in xics_teardown_cpu()) and for CPU hotplug ( xics_migrate_irqs_away() and xics_setup_cpu()). Note that the platform architecture spec says that set-indicator on the indicator we're using here is not permitted to return the busy or extended busy status codes. Signed-off-by: Haren Myneni <haren@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] fix PMU initialization on pseries lparSonny Rao2006-08-08
| | | | | | | | | | | We should not be calling power4_enable_pmcs() in pseries_lpar_enable_pmcs(); just doing the hypercall is sufficient. Prior to 2.6.15 we did not call power4_enable_pmcs() for an lpar. power4_enable_pmcs() tries to read the hid0 register which is no longer legal for an lpar in newer Power processors. Signed-off-by: Paul Mackerras <paulus@samba.org>
* Linux v2.6.18-rc4v2.6.18-rc4Linus Torvalds2006-08-06
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* Merge branch 'for-linus' of ↵Linus Torvalds2006-08-06
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/dtor/input: (24 commits) Input: ati_remote - use msec instead of jiffies Input: ati_remote - add missing input_sync() Input: ati_remote - relax permissions sysfs module parameters Input: ati_remote - make filter time a module parameter Input: atkbd - restore repeat rate when resuming Input: trackpoint - activate protocol when resuming Input: logips2pp - fix button mapping for MX300 Input: keyboard - change to use kzalloc Input: serio/gameport - check whether driver core calls succeeded Input: spaceball - make 4000FLX Lefty work Input: keyboard - simplify emulate_raw() implementation Input: keyboard - remove static variable and clean up initialization Input: hiddev - use standard list implementation Input: add missing handler->start() call Input: HID - fix potential out-of-bound array access Input: fix list iteration in input_release_device() Input: iforce - add Trust Force Feedback Race Master support Input: iforce - check array bounds before accessing elements Input: libps2 - warn instead of oopsing when passed bad arguments Input: fm801-gp - fix use after free ...
| * Input: ati_remote - use msec instead of jiffiesDmitry Torokhov2006-08-04
| | | | | | | | | | | | | | By using milliseconds instead of jiffies to calculate acceleration factor we make the code immune to changes in HZ. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * Input: ati_remote - add missing input_sync()Dmitry Torokhov2006-08-04
| | | | | | | | | | | | | | | | | | When emulating button toggle drivers need to send input_sync() between 'down' and 'up' events, otherwise some users might miss keypress because device's state is only considered finalized after EV_SYN/SYN_REPORT is received. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * Input: ati_remote - relax permissions sysfs module parametersDmitry Torokhov2006-08-04
| | | | | | | | | | | | Allow changing debug and channel_mask parameters on the fly. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * Input: ati_remote - make filter time a module parameterEdwin Huffstutler2006-08-04
| | | | | | | | Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * Input: atkbd - restore repeat rate when resumingDmitry Torokhov2006-08-04
| | | | | | | | | | | | | | Make the AT keyboard driver restore previously set repeat rate when resuming. Noticed by Linus Torvalds. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * Input: trackpoint - activate protocol when resumingDmitry Torokhov2006-08-04
| | | | | | | | | | | | | | Trackpoint driver was not sending the magic knock sequence upon resume causing incorrect device behavior after resuming from disk. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * Input: logips2pp - fix button mapping for MX300Roberto Castagnola2006-08-04
| | | | | | | | | | | | | | | | | | MX300 does not have an EXTRA_BTN - it is a simple wheel mouse with an additional task-switcher button, which is reported as side button (and not task button). Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * Input: keyboard - change to use kzallocDmitry Torokhov2006-08-04
| | | | | | | | Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 ↵Dmitry Torokhov2006-08-04
| |\ | | | | | | | | | into for-linus
| * | Input: serio/gameport - check whether driver core calls succeededRandy Dunlap2006-07-19
| | | | | | | | | | | | | | | Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * | Input: spaceball - make 4000FLX Lefty workNick Martin2006-07-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Although the Spaceball 4000FLX Lefty is already supported by the spaceball driver, it does not register properly due to SPACEBALL_MAX_ID being set too low. Increment SPACEBALL_MAX_ID such that the 4000FLX Lefty is properly recognized. Signed-off-by: Nick Martin <nim+linux@nimlabs.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * | Input: keyboard - simplify emulate_raw() implementationDmitry Torokhov2006-07-19
| | | | | | | | | | | | Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * | Input: keyboard - remove static variable and clean up initializationDmitry Torokhov2006-07-19
| | | | | | | | | | | | Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * | Input: hiddev - use standard list implementationDmitry Torokhov2006-07-19
| | | | | | | | | | | | | | | | | | Fixes Coverity #id 303 Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * | Input: add missing handler->start() callDmitry Torokhov2006-07-19
| | | | | | | | | | | | | | | | | | | | | | | | The start() method need to be called every time we create a new handle. This includes not only registering new devices but also when registering new handlers. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * | Input: HID - fix potential out-of-bound array accessDmitry Torokhov2006-07-15
| | | | | | | | | | | | | | | | | | Fixes Coverity #id 978 Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * | Input: fix list iteration in input_release_device()Andrew Morton2006-07-15
| | | | | | | | | | | | | | | Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * | Input: iforce - add Trust Force Feedback Race Master supportPrzemek Iskra2006-07-15
| | | | | | | | | | | | | | | Signed-off-by: Vojtech Pavlik <vojtech@suse.cz> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * | Input: iforce - check array bounds before accessing elementsDmitry Torokhov2006-07-06
| | | | | | | | | | | | | | | | | | Fixes Coverity #id 864 Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| * | Input: libps2 - warn instead of oopsing when passed bad argumentsDmitry Torokhov2006-07-06
| | | | | | | | | | | | | | | | | | This is more user-friendly and also fixes Coverity #id 249 Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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