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Bjorn Helgaas 758a7f7bb8 x86: register a platform RTC device if PNP doesn't describe it 
Most if not all x86 platforms have an RTC device, but sometimes the RTC
is not exposed as a PNP0b00/PNP0b01/PNP0b02 device in PNPBIOS or ACPI:

    http://bugzilla.kernel.org/show_bug.cgi?id=11580
    https://bugzilla.redhat.com/show_bug.cgi?id=451188

It's best if we can discover the RTC via PNP because then we know
which flavor of device it is, where it lives, and which IRQ it uses.

But if we can't, we should register a platform device using the
compiled-in RTC_PORT/RTC_IRQ resource assumptions.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Reported-by: Rik Theys <rik.theys@esat.kuleuven.be>
Reported-by: shr_msn@yahoo.com.tw
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2008-10-14 16:30:14 -07:00
..
acpi Merge branch 'linus' into x86/quirks 2008-10-12 12:43:21 +02:00
cpu x86: do not allow to optimize flag_is_changeable_p() (rev. 2) 2008-10-13 10:33:13 +02:00
.gitignore arch/x86/kernel/.gitignore: Added vmlinux.lds to .gitignore file because it shouldn't be tracked. 2008-07-10 10:13:51 -07:00
Makefile traps: x86: finalize unification of traps.c 2008-10-13 10:33:29 +02:00
alternative.c x86: improve UP kernel when CPU-hotplug and SMP is enabled 2008-10-13 10:33:46 +02:00
amd_iommu.c Merge branches 'core/iommu', 'x86/amd-iommu' and 'x86/iommu' into x86-v28-for-linus-phase3-B 2008-10-10 19:47:12 +02:00
amd_iommu_init.c x86, amd-iommu: propagate PCI device enabling error 2008-10-12 15:24:53 +02:00
aperture_64.c x86, debug printouts: IOMMU setup failures should not be KERN_ERR 2008-09-30 10:25:28 +02:00
apic_32.c Merge branch 'linus' into oprofile-v2 2008-10-13 11:05:51 +02:00
apic_64.c Merge branch 'linus' into oprofile-v2 2008-10-13 11:05:51 +02:00
apm_32.c Merge branches 'x86/alternatives', 'x86/cleanups', 'x86/commandline', 'x86/crashdump', 'x86/debug', 'x86/defconfig', 'x86/doc', 'x86/exports', 'x86/fpu', 'x86/gart', 'x86/idle', 'x86/mm', 'x86/mtrr', 'x86/nmi-watchdog', 'x86/oprofile', 'x86/paravirt', 'x86/reboot', 'x86/sparse-fixes', 'x86/tsc', 'x86/urgent' and 'x86/vmalloc' into x86-v28-for-linus-phase1 2008-10-06 18:17:07 +02:00
asm-offsets.c
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asm-offsets_32.c x86/paravirt: split sysret and sysexit 2008-07-08 13:13:15 +02:00
asm-offsets_64.c x86: consolidate header guards 2008-07-22 21:53:53 +02:00
audit_64.c
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bios_uv.c x86: coding style fixes to arch/x86/kernel/bios_uv.c 2008-08-15 16:53:24 +02:00
bootflag.c
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cpuid.c Merge branch 'x86/urgent' into x86/cleanups 2008-08-25 22:45:37 -07:00
crash.c x86: allow machine_crash_shutdown to be replaced 2008-04-27 12:00:29 +03:00
crash_dump_32.c
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crash_dump_64.c Merge branches 'x86/alternatives', 'x86/cleanups', 'x86/commandline', 'x86/crashdump', 'x86/debug', 'x86/defconfig', 'x86/doc', 'x86/exports', 'x86/fpu', 'x86/gart', 'x86/idle', 'x86/mm', 'x86/mtrr', 'x86/nmi-watchdog', 'x86/oprofile', 'x86/paravirt', 'x86/reboot', 'x86/sparse-fixes', 'x86/tsc', 'x86/urgent' and 'x86/vmalloc' into x86-v28-for-linus-phase1 2008-10-06 18:17:07 +02:00
doublefault_32.c x86: fix virt_addr_valid() with CONFIG_DEBUG_VIRTUAL=y, v2 2008-10-13 10:33:15 +02:00
ds.c x86: ds.c ptrace.c integer as NULL pointer sparse fixes 2008-09-24 09:57:47 +02:00
dumpstack_32.c dumpstack: x86: various small unification steps 2008-10-13 10:33:45 +02:00
dumpstack_64.c dumpstack: x86: various small unification steps, fix 2008-10-13 10:33:49 +02:00
e820.c Merge commit 'v2.6.27-rc6' into x86/unify-cpu-detect 2008-09-10 14:00:45 +02:00
early-quirks.c Merge branch 'linus' into x86/quirks 2008-10-12 12:43:21 +02:00
early_printk.c warnings: fix arch/x86/kernel/early_printk.c 2008-10-12 15:19:36 +02:00
efi.c x86: trivial printk fix in efi.c 2008-10-03 10:18:30 +02:00
efi_32.c x86: fix i486 suspend to disk CR4 oops 2008-08-18 08:50:19 +02:00
efi_64.c x86: add flags parameter to reserve_bootmem_generic() 2008-07-08 11:49:49 +02:00
efi_stub_32.S
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efi_stub_64.S
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entry_32.S i386: add TRACE_IRQS_OFF for the exception 3 (int3) 2008-10-13 10:20:52 +02:00
entry_64.S x86, traps: introduce dotraplinkage 2008-10-13 10:33:20 +02:00
es7000_32.c x86: check dsdt before find oem table for es7000, v2 2008-10-13 10:21:07 +02:00
ftrace.c ftrace: store mcount address in rec->ip 2008-06-23 22:10:56 +02:00
genapic_64.c GRU Driver: export is_uv_system(), zap_page_range() & follow_page() 2008-07-30 09:41:48 -07:00
genapic_flat_64.c Merge branch 'linus' into x86/x2apic 2008-07-25 13:08:16 +02:00
genx2apic_cluster.c Merge branch 'x86/x2apic' into x86/core 2008-09-05 09:21:21 +02:00
genx2apic_phys.c Merge branch 'x86/x2apic' into x86/core 2008-09-05 09:21:21 +02:00
genx2apic_uv_x.c x86, UV: new UV genapic functions for x2apic 2008-10-13 10:22:53 +02:00
geode_32.c x86, geode: add a VSA2 ID for General Software 2008-06-19 14:19:03 +02:00
head.c x86: print out EBDA/lowmem address 2008-10-13 10:21:10 +02:00
head32.c x86: extract common part of head32.c and head64.c into head.c 2008-06-05 15:10:02 +02:00
head64.c x86_64: be less annoying on boot, v2 2008-09-29 10:04:53 +02:00
head_32.S x86, cpa: rename PTE attribute macros for kernel direct mapping in early boot 2008-10-10 19:29:11 +02:00
head_64.S x86, cpa: rename PTE attribute macros for kernel direct mapping in early boot 2008-10-10 19:29:11 +02:00
hpet.c Merge commit 'v2.6.27-rc6' into timers/hpet 2008-09-14 18:24:00 +02:00
i386_ksyms_32.c ftrace: store mcount address in rec->ip 2008-06-23 22:10:56 +02:00
i387.c x86: xsave: set FP, SSE bits in the xsave header in the user sigcontext 2008-10-07 14:36:08 -07:00
i8237.c
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i8253.c x86: cleanup div_sc() usage 2008-04-26 17:35:47 +02:00
i8259.c x64, x2apic/intr-remap: 8259 specific mask/unmask routines 2008-07-12 08:44:55 +02:00
init_task.c [PATCH] take init_files to fs/file.c 2008-05-16 17:22:20 -04:00
io_apic_32.c Merge branch 'x86/cpu' into x86/x2apic 2008-08-23 17:46:59 +02:00
io_apic_64.c warnings: fix arch/x86/kernel/io_apic_64.c 2008-10-12 15:22:22 +02:00
io_delay.c x86: add io delay quirk for Presario F700 2008-09-03 16:42:51 -07:00
ioport.c x86: Introducing asm/syscalls.h 2008-07-22 14:35:57 +02:00
ipi.c X86_SMP: ipi.c declare functions before they get used 2008-07-25 11:57:46 +05:30
irq_32.c x86: capitalize function call interrupts consistently 2008-09-04 10:51:36 -07:00
irq_64.c x86: capitalize function call interrupts consistently 2008-09-04 10:51:36 -07:00
irqinit_32.c x86: apic interrupts - move assignments to irqinit_32.c, v2 2008-08-11 16:43:09 +02:00
irqinit_64.c x86: cleanup, remove extra ifdef 2008-10-13 10:22:44 +02:00
k8.c x86, gart: add detection of AMD family 0x11 northbridges 2008-09-05 19:11:44 +02:00
kdebugfs.c arch/x86/kernel/kdebugfs.c: introduce missing kfree 2008-09-10 14:03:49 +02:00
kgdb.c kgdb, x86: Avoid invoking kgdb_nmicallback twice per NMI 2008-10-06 13:50:59 -05:00
kprobes.c kprobes: improve kretprobe scalability with hashed locking 2008-07-25 10:53:30 -07:00
kvm.c x86, paravirt_ops: use unsigned long instead of u32 for alloc_p*() pfn args 2008-08-22 05:34:44 +02:00
kvmclock.c x86: KVM guest: make kvm_smp_prepare_boot_cpu() static 2008-07-20 12:42:37 +03:00
ldt.c Merge branch 'linus' into x86/xen 2008-10-12 12:37:32 +02:00
machine_kexec_32.c kexec jump: fix for ftrace 2008-08-15 08:35:43 -07:00
machine_kexec_64.c kexec jump 2008-07-26 12:00:04 -07:00
mca_32.c
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mfgpt_32.c x86, geode-mfgpt: check IRQ before using MFGPT as clocksource 2008-08-15 17:12:32 +02:00
microcode_amd.c x86, microcode_amd: cleanup, mark request_microcode_user() as unsupported 2008-09-24 10:32:37 +02:00
microcode_core.c x86/microcode: fix sleeping function called from invalid context at kernel/mutex.c 2008-10-02 17:52:33 +02:00
microcode_intel.c x86: moved microcode.c to microcode_intel.c 2008-09-23 12:21:42 +02:00
mmconf-fam10h_64.c x86: mmconf: fix section mismatch warning 2008-08-18 07:49:06 +02:00
module_32.c
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module_64.c PAGE_ALIGN(): correctly handle 64-bit values on 32-bit architectures 2008-07-24 10:47:21 -07:00
mpparse.c Merge branch 'x86/apic' into x86-v28-for-linus-phase4-B 2008-10-11 20:17:36 +02:00
msr.c x86: msr: correct return value on partial operations 2008-08-25 17:46:12 -07:00
nmi.c x86, NMI watchdog: setup before enabling NMI watchdog 2008-09-22 19:48:19 +02:00
numaq_32.c Merge branch 'x86/apic' into x86-v28-for-linus-phase4-B 2008-10-11 20:17:36 +02:00
olpc.c x86, olpc: fix endian bug in openfirmware workaround 2008-09-24 10:29:04 +02:00
paravirt-spinlocks.c x86: export pv_lock_ops non-GPL 2008-08-22 15:43:17 +02:00
paravirt.c Merge branch 'linus' into x86/xen 2008-10-12 12:37:32 +02:00
paravirt_patch_32.c x86: coding style fixes to arch/x86/kernel/paravirt_patch_32.c 2008-08-15 16:53:25 +02:00
paravirt_patch_64.c x86/paravirt: add sysret/sysexit pvops for returning to 32-bit compatibility userspace 2008-07-08 13:15:52 +02:00
pci-calgary_64.c iommu: export iommu_area_reserve helper function 2008-09-22 16:47:50 +02:00
pci-dma.c Merge branches 'core/iommu', 'x86/amd-iommu' and 'x86/iommu' into x86-v28-for-linus-phase3-B 2008-10-10 19:47:12 +02:00
pci-gart_64.c Merge branches 'core/iommu', 'x86/amd-iommu' and 'x86/iommu' into x86-v28-for-linus-phase3-B 2008-10-10 19:47:12 +02:00
pci-nommu.c x86: export pci-nommu's alloc_coherent 2008-09-25 11:02:25 +02:00
pci-swiotlb_64.c dma-mapping: add the device argument to dma_mapping_error() 2008-07-26 12:00:03 -07:00
pcspeaker.c x86: use platform_device_register_simple() 2008-09-22 12:58:36 +02:00
pmtimer_64.c
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probe_roms_32.c x86: seperate probe_roms into another file 2008-07-08 12:50:05 +02:00
process.c Merge branch 'x86/unify-cpu-detect' into x86-v28-for-linus-phase4-D 2008-10-11 20:23:20 +02:00
process_32.c x86: __show_registers() and __show_regs() API unification 2008-10-13 10:33:04 +02:00
process_64.c x86: __show_registers() and __show_regs() API unification 2008-10-13 10:33:04 +02:00
ptrace.c Merge branches 'x86/xen', 'x86/build', 'x86/microcode', 'x86/mm-debug-v2', 'x86/memory-corruption-check', 'x86/early-printk', 'x86/xsave', 'x86/ptrace-v2', 'x86/quirks', 'x86/setup', 'x86/spinlocks' and 'x86/signal' into x86/core-v2 2008-10-12 15:50:02 +02:00
pvclock.c x86: Add structs and functions for paravirt clocksource 2008-06-24 21:02:31 +03:00
quirks.c x86: hpet: modify IXP400 quirk to enable interrupts 2008-09-05 18:59:41 +02:00
reboot.c x86: default to reboot via ACPI 2008-08-25 12:31:32 +02:00
reboot_fixups_32.c x86: constify data in reboot.c 2008-05-25 08:58:30 +02:00
relocate_kernel_32.S kexec jump: check code size in control page 2008-08-15 08:35:42 -07:00
relocate_kernel_64.S
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rtc.c x86: register a platform RTC device if PNP doesn't describe it 2008-10-14 16:30:14 -07:00
scx200_32.c
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setup.c x86, uv: add early detection of UV system types 2008-10-13 10:21:51 +02:00
setup_percpu.c Merge commit 'v2.6.27-rc7' into x86/debug 2008-09-22 13:08:57 +02:00
sigframe.h Merge branch 'x86/unify-cpu-detect' into x86-v28-for-linus-phase4-D 2008-10-11 20:23:20 +02:00
signal_32.c Merge branch 'x86/unify-cpu-detect' into x86-v28-for-linus-phase4-D 2008-10-11 20:23:20 +02:00
signal_64.c Merge branch 'x86/unify-cpu-detect' into x86-v28-for-linus-phase4-D 2008-10-11 20:23:20 +02:00
smp.c x86: add cpu hotplug hooks into smp_ops 2008-08-25 10:59:18 +02:00
smpboot.c x86: remove additional_cpus 2008-10-13 10:33:48 +02:00
smpcommon.c x86: change init_gdt to update the gdt via write_gdt, rather than a direct write. 2008-08-15 19:16:05 +02:00
stacktrace.c stacktrace: fix modular build, export print_stack_trace and save_stack_trace 2008-06-30 09:20:55 +02:00
step.c x86 ptrace: user-sets-TF nits 2008-07-16 12:15:17 -07:00
summit_32.c x86: mach_summit to summit 2008-07-26 16:31:35 +02:00
sys_i386_32.c x86: Introducing asm/syscalls.h 2008-07-22 14:35:57 +02:00
sys_x86_64.c Merge branches 'x86/alternatives', 'x86/cleanups', 'x86/commandline', 'x86/crashdump', 'x86/debug', 'x86/defconfig', 'x86/doc', 'x86/exports', 'x86/fpu', 'x86/gart', 'x86/idle', 'x86/mm', 'x86/mtrr', 'x86/nmi-watchdog', 'x86/oprofile', 'x86/paravirt', 'x86/reboot', 'x86/sparse-fixes', 'x86/tsc', 'x86/urgent' and 'x86/vmalloc' into x86-v28-for-linus-phase1 2008-10-06 18:17:07 +02:00
syscall_64.c x86: consolidate header guards 2008-07-22 21:53:53 +02:00
syscall_table_32.S flag parameters add-on: remove epoll_create size param 2008-07-24 10:47:29 -07:00
tce_64.c
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test_nx.c
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test_rodata.c
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time_32.c x86: wrap MCA_bus test around an ifdef 2008-10-13 10:21:47 +02:00
time_64.c x86: move vgetcpu mode probing to cpu detection 2008-10-13 10:21:49 +02:00
tlb_32.c x86: build fix for !CONFIG_SMP 2008-09-05 17:44:08 +02:00
tlb_64.c Merge branch 'generic-ipi' into generic-ipi-for-linus 2008-07-15 21:55:59 +02:00
tlb_uv.c x86, SGI UV: hardcode the TLB flush interrupt system vector 2008-08-20 12:36:03 +02:00
tls.c x86: Introducing asm/syscalls.h 2008-07-22 14:35:57 +02:00
tls.h
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topology.c
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trampoline.c x86: extend e820 ealy_res support 32bit 2008-05-25 10:55:11 +02:00
trampoline_32.S x86: trampoline_32.S - switch to .cpuinit.data 2008-04-26 17:35:47 +02:00
trampoline_64.S x86: move suspend wakeup code to C 2008-04-17 17:41:37 +02:00
traps.c dumpstack: x86: move die_nmi to dumpstack_32.c 2008-10-13 10:33:39 +02:00
tsc.c Merge branches 'x86/alternatives', 'x86/cleanups', 'x86/commandline', 'x86/crashdump', 'x86/debug', 'x86/defconfig', 'x86/doc', 'x86/exports', 'x86/fpu', 'x86/gart', 'x86/idle', 'x86/mm', 'x86/mtrr', 'x86/nmi-watchdog', 'x86/oprofile', 'x86/paravirt', 'x86/reboot', 'x86/sparse-fixes', 'x86/tsc', 'x86/urgent' and 'x86/vmalloc' into x86-v28-for-linus-phase1 2008-10-06 18:17:07 +02:00
tsc_sync.c x86: use WARN() in arch/x86/kernel 2008-08-21 10:01:52 +02:00
verify_cpu_64.S
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visws_quirks.c Merge branch 'linus' into x86/cleanups 2008-08-20 11:52:15 +02:00
vm86_32.c x86: Introducing asm/syscalls.h 2008-07-22 14:35:57 +02:00
vmi_32.c Merge branch 'x86/apic' into x86-v28-for-linus-phase4-B 2008-10-11 20:17:36 +02:00
vmiclock_32.c x86: rename paravirtualized TSC functions 2008-07-09 07:43:28 +02:00
vmlinux.lds.S
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vmlinux_32.lds.S Merge commit '63cc8c75156462d4b42cbdd76c293b7eee7ddbfe': 2008-09-05 09:24:30 +02:00
vmlinux_64.lds.S x86: fix early panic on amd64 due to typo in supported CPU section 2008-10-12 11:19:27 +02:00
vsmp_64.c x86: fix 27-rc crash on vsmp due to paravirt during module load 2008-09-23 10:31:26 +02:00
vsyscall_64.c Merge branch 'generic-ipi' into generic-ipi-for-linus 2008-07-15 21:55:59 +02:00
x8664_ksyms_64.c Merge branch 'auto-ftrace-next' into tracing/for-linus 2008-07-14 16:11:52 +02:00
xsave.c x86, fpu: check __clear_user() return value 2008-10-12 15:17:39 +02:00