1 files changed, 18 insertions, 7 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index b6fccb07123e..3ed5ad92b029 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -51,6 +51,7 @@ config X86
         select HAVE_KERNEL_GZIP
         select HAVE_KERNEL_BZIP2
         select HAVE_KERNEL_LZMA
+        select HAVE_KERNEL_XZ
         select HAVE_KERNEL_LZO
         select HAVE_HW_BREAKPOINT
         select HAVE_MIXED_BREAKPOINTS_REGS
@@ -65,6 +66,7 @@ config X86
         select HAVE_SPARSE_IRQ
         select GENERIC_IRQ_PROBE
         select GENERIC_PENDING_IRQ if SMP
+        select USE_GENERIC_SMP_HELPERS if SMP
 
 config INSTRUCTION_DECODER
         def_bool (KPROBES || PERF_EVENTS)
@@ -203,10 +205,6 @@ config HAVE_INTEL_TXT
         def_bool y
         depends on EXPERIMENTAL && DMAR && ACPI
 
-config USE_GENERIC_SMP_HELPERS
-        def_bool y
-        depends on SMP
-
 config X86_32_SMP
         def_bool y
         depends on X86_32 && SMP
@@ -1936,13 +1934,19 @@ config PCI_MMCONFIG
         depends on X86_64 && PCI && ACPI
 
 config PCI_CNB20LE_QUIRK
-        bool "Read CNB20LE Host Bridge Windows"
-        depends on PCI
+        bool "Read CNB20LE Host Bridge Windows" if EMBEDDED
+        default n
+        depends on PCI && EXPERIMENTAL
         help
           Read the PCI windows out of the CNB20LE host bridge. This allows
           PCI hotplug to work on systems with the CNB20LE chipset which do
           not have ACPI.
 
+          There's no public spec for this chipset, and this functionality
+          is known to be incomplete.
+
+          You should say N unless you know you need this.
+
 config DMAR
         bool "Support for DMA Remapping Devices (EXPERIMENTAL)"
         depends on PCI_MSI && ACPI && EXPERIMENTAL
@@ -2064,13 +2068,14 @@ config OLPC
         bool "One Laptop Per Child support"
         select GPIOLIB
         select OLPC_OPENFIRMWARE
+        depends on !X86_64 && !X86_PAE
         ---help---
           Add support for detecting the unique features of the OLPC
           XO hardware.
 
 config OLPC_XO1
         tristate "OLPC XO-1 support"
-        depends on OLPC && PCI
+        depends on OLPC && MFD_CS5535
         ---help---
           Add support for non-essential features of the OLPC XO-1 laptop.
 
@@ -2078,11 +2083,17 @@ config OLPC_OPENFIRMWARE
         bool "Support for OLPC's Open Firmware"
         depends on !X86_64 && !X86_PAE
         default n
+        select OF
         help
           This option adds support for the implementation of Open Firmware
           that is used on the OLPC XO-1 Children's Machine.
           If unsure, say N here.
 
+config OLPC_OPENFIRMWARE_DT
+        bool
+        default y if OLPC_OPENFIRMWARE && PROC_DEVICETREE
+        select OF_PROMTREE
+
 endif # X86_32
 
 config AMD_NB