Merge branch 'x86-mrst-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'x86-mrst-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (30 commits)
  x86, mrst: Fix whitespace breakage in apb_timer.c
  x86, mrst: Fix APB timer per cpu clockevent
  x86, mrst: Remove X86_MRST dependency on PCI_IOAPIC
  x86, olpc: Use pci subarch init for OLPC
  x86, pci: Add arch_init to x86_init abstraction
  x86, mrst: Add Kconfig dependencies for Moorestown
  x86, pci: Exclude Moorestown PCI code if CONFIG_X86_MRST=n
  x86, numaq: Make CONFIG_X86_NUMAQ depend on CONFIG_PCI
  x86, pci: Add sanity check for PCI fixed bar probing
  x86, legacy_irq: Remove duplicate vector assigment
  x86, legacy_irq: Remove left over nr_legacy_irqs
  x86, mrst: Platform clock setup code
  x86, apbt: Moorestown APB system timer driver
  x86, mrst: Add vrtc platform data setup code
  x86, mrst: Add platform timer info parsing code
  x86, mrst: Fill in PCI functions in x86_init layer
  x86, mrst: Add dummy legacy pic to platform setup
  x86/PCI: Moorestown PCI support
  x86, ioapic: Add dummy ioapic functions
  x86, ioapic: Early enable ioapic for timer irq
  ...

Fixed up semantic conflict of new clocksources due to commit
17622339af25 ("clocksource: add argument to resume callback").

1 files changed, 15 insertions, 0 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index f15f37bfbd6..e9844037152 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -393,8 +393,12 @@ config X86_ELAN
 
 config X86_MRST
        bool "Moorestown MID platform"
+        depends on PCI
+        depends on PCI_GOANY
         depends on X86_32
         depends on X86_EXTENDED_PLATFORM
+        depends on X86_IO_APIC
+        select APB_TIMER
         ---help---
           Moorestown is Intel's Low Power Intel Architecture (LPIA) based Moblin
           Internet Device(MID) platform. Moorestown consists of two chips:
@@ -429,6 +433,7 @@ config X86_32_NON_STANDARD
 config X86_NUMAQ
         bool "NUMAQ (IBM/Sequent)"
         depends on X86_32_NON_STANDARD
+        depends on PCI
         select NUMA
         select X86_MPPARSE
         ---help---
@@ -629,6 +634,16 @@ config HPET_EMULATE_RTC
         def_bool y
         depends on HPET_TIMER && (RTC=y || RTC=m || RTC_DRV_CMOS=m || RTC_DRV_CMOS=y)
 
+config APB_TIMER
+       def_bool y if MRST
+       prompt "Langwell APB Timer Support" if X86_MRST
+       help
+         APB timer is the replacement for 8254, HPET on X86 MID platforms.
+         The APBT provides a stable time base on SMP
+         systems, unlike the TSC, but it is more expensive to access,
+         as it is off-chip. APB timers are always running regardless of CPU
+         C states, they are used as per CPU clockevent device when possible.
+
 # Mark as embedded because too many people got it wrong.
 # The code disables itself when not needed.
 config DMI