x86: unification of cfufreq/Kconfig

Merge the two Kconfig files to a single file.

Checked using make allmodconfig for x86_64.
No changes in build.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Adrian Bunk <bunk@kernel.org>
Cc: Dave Jones <davej@codemonkey.org.uk>

4 files changed, 49 insertions, 132 deletions

diff --git a/arch/x86/Kconfig.i386 b/arch/x86/Kconfig.i386
index 7331efe891a7..b6f2fd0e443b 100644
--- a/arch/x86/Kconfig.i386
+++ b/arch/x86/Kconfig.i386
@@ -1092,7 +1092,7 @@ config APM_REAL_MODE_POWER_OFF
 
 endif # APM
 
-source "arch/x86/kernel/cpu/cpufreq/Kconfig_32"
+source "arch/x86/kernel/cpu/cpufreq/Kconfig"
 
 source "drivers/cpuidle/Kconfig"
 
diff --git a/arch/x86/Kconfig.x86_64 b/arch/x86/Kconfig.x86_64
index cc468ea61240..8d6b53425449 100644
--- a/arch/x86/Kconfig.x86_64
+++ b/arch/x86/Kconfig.x86_64
@@ -719,7 +719,7 @@ config ARCH_HIBERNATION_HEADER
 
 source "drivers/acpi/Kconfig"
 
-source "arch/x86/kernel/cpu/cpufreq/Kconfig_64"
+source "arch/x86/kernel/cpu/cpufreq/Kconfig"
 
 source "drivers/cpuidle/Kconfig"
 
diff --git a/arch/x86/kernel/cpu/cpufreq/Kconfig_32 b/arch/x86/kernel/cpu/cpufreq/Kconfig
index d8c6f132dc7a..151eda0a23fc 100644
--- a/arch/x86/kernel/cpu/cpufreq/Kconfig_32
+++ b/arch/x86/kernel/cpu/cpufreq/Kconfig
@@ -19,6 +19,9 @@ config X86_ACPI_CPUFREQ
           Processor Performance States.
           This driver also supports Intel Enhanced Speedstep.
 
+          To compile this driver as a module, choose M here: the
+          module will be called acpi-cpufreq.
+
           For details, take a look at <file:Documentation/cpu-freq/>.
 
           If in doubt, say N.
@@ -26,7 +29,7 @@ config X86_ACPI_CPUFREQ
 config ELAN_CPUFREQ
         tristate "AMD Elan SC400 and SC410"
         select CPU_FREQ_TABLE
-        depends on X86_ELAN
+        depends on X86_32 && X86_ELAN
         ---help---
           This adds the CPUFreq driver for AMD Elan SC400 and SC410
           processors.
@@ -42,7 +45,7 @@ config ELAN_CPUFREQ
 config SC520_CPUFREQ
         tristate "AMD Elan SC520"
         select CPU_FREQ_TABLE
-        depends on X86_ELAN
+        depends on X86_32 && X86_ELAN
         ---help---
           This adds the CPUFreq driver for AMD Elan SC520 processor.
 
@@ -54,6 +57,7 @@ config SC520_CPUFREQ
 config X86_POWERNOW_K6
         tristate "AMD Mobile K6-2/K6-3 PowerNow!"
         select CPU_FREQ_TABLE
+        depends on X86_32
         help
           This adds the CPUFreq driver for mobile AMD K6-2+ and mobile
           AMD K6-3+ processors.
@@ -65,6 +69,7 @@ config X86_POWERNOW_K6
 config X86_POWERNOW_K7
         tristate "AMD Mobile Athlon/Duron PowerNow!"
         select CPU_FREQ_TABLE
+        depends on X86_32
         help
           This adds the CPUFreq driver for mobile AMD K7 mobile processors.
 
@@ -76,23 +81,27 @@ config X86_POWERNOW_K7_ACPI
         bool
         depends on X86_POWERNOW_K7 && ACPI_PROCESSOR
         depends on !(X86_POWERNOW_K7 = y && ACPI_PROCESSOR = m)
+        depends on X86_32
         default y
 
 config X86_POWERNOW_K8
         tristate "AMD Opteron/Athlon64 PowerNow!"
         select CPU_FREQ_TABLE
-        depends on EXPERIMENTAL
         help
           This adds the CPUFreq driver for mobile AMD Opteron/Athlon64 processors.
 
+          To compile this driver as a module, choose M here: the
+          module will be called powernow-k8.
+
           For details, take a look at <file:Documentation/cpu-freq/>.
 
           If in doubt, say N.
 
 config X86_POWERNOW_K8_ACPI
-        bool "ACPI Support"
-        select ACPI_PROCESSOR
-        depends on ACPI && X86_POWERNOW_K8
+        bool
+        prompt "ACPI Support" if X86_32
+        depends on ACPI && X86_POWERNOW_K8 && ACPI_PROCESSOR
+        depends on !(X86_POWERNOW_K8 = y && ACPI_PROCESSOR = m)
         default y
         help
           This provides access to the K8s Processor Performance States via ACPI.
@@ -104,7 +113,7 @@ config X86_POWERNOW_K8_ACPI
 
 config X86_GX_SUSPMOD
         tristate "Cyrix MediaGX/NatSemi Geode Suspend Modulation"
-        depends on PCI
+        depends on X86_32 && PCI
         help
          This add the CPUFreq driver for NatSemi Geode processors which
          support suspend modulation.
@@ -114,15 +123,20 @@ config X86_GX_SUSPMOD
          If in doubt, say N.
 
 config X86_SPEEDSTEP_CENTRINO
-        tristate "Intel Enhanced SpeedStep"
+        tristate "Intel Enhanced SpeedStep (deprecated)"
         select CPU_FREQ_TABLE
-        select X86_SPEEDSTEP_CENTRINO_TABLE
+        select X86_SPEEDSTEP_CENTRINO_TABLE if X86_32
+        depends on X86_32 || (X86_64 && ACPI_PROCESSOR)
         help
+          This is deprecated and this functionality is now merged into
+          acpi_cpufreq (X86_ACPI_CPUFREQ). Use that driver instead of
+          speedstep_centrino.
           This adds the CPUFreq driver for Enhanced SpeedStep enabled
-          mobile CPUs.  This means Intel Pentium M (Centrino) CPUs. However,
-          you also need to say Y to "Use ACPI tables to decode..." below
-          [which might imply enabling ACPI] if you want to use this driver
-          on non-Banias CPUs.
+          mobile CPUs.  This means Intel Pentium M (Centrino) CPUs
+          or 64bit enabled Intel Xeons.
+
+          To compile this driver as a module, choose M here: the
+          module will be called speedstep-centrino.
 
           For details, take a look at <file:Documentation/cpu-freq/>.
 
@@ -130,7 +144,7 @@ config X86_SPEEDSTEP_CENTRINO
 
 config X86_SPEEDSTEP_CENTRINO_TABLE
         bool "Built-in tables for Banias CPUs"
-        depends on X86_SPEEDSTEP_CENTRINO
+        depends on X86_32 && X86_SPEEDSTEP_CENTRINO
         default y
         help
           Use built-in tables for Banias CPUs if ACPI encoding
@@ -141,6 +155,7 @@ config X86_SPEEDSTEP_CENTRINO_TABLE
 config X86_SPEEDSTEP_ICH
         tristate "Intel Speedstep on ICH-M chipsets (ioport interface)"
         select CPU_FREQ_TABLE
+        depends on X86_32
         help
           This adds the CPUFreq driver for certain mobile Intel Pentium III
           (Coppermine), all mobile Intel Pentium III-M (Tualatin) and all
@@ -154,7 +169,7 @@ config X86_SPEEDSTEP_ICH
 config X86_SPEEDSTEP_SMI
         tristate "Intel SpeedStep on 440BX/ZX/MX chipsets (SMI interface)"
         select CPU_FREQ_TABLE
-        depends on EXPERIMENTAL
+        depends on X86_32 && EXPERIMENTAL
         help
           This adds the CPUFreq driver for certain mobile Intel Pentium III
           (Coppermine), all mobile Intel Pentium III-M (Tualatin)
@@ -169,15 +184,24 @@ config X86_P4_CLOCKMOD
         select CPU_FREQ_TABLE
         help
           This adds the CPUFreq driver for Intel Pentium 4 / XEON
-          processors.
+          processors.  When enabled it will lower CPU temperature by skipping
+          clocks.
+
+          This driver should be only used in exceptional
+          circumstances when very low power is needed because it causes severe
+          slowdowns and noticeable latencies.  Normally Speedstep should be used
+          instead.
+
+          To compile this driver as a module, choose M here: the
+          module will be called p4-clockmod.
 
           For details, take a look at <file:Documentation/cpu-freq/>.
 
-          If in doubt, say N.
+          Unless you are absolutely sure say N.
 
 config X86_CPUFREQ_NFORCE2
         tristate "nVidia nForce2 FSB changing"
-        depends on EXPERIMENTAL
+        depends on X86_32 && EXPERIMENTAL
         help
           This adds the CPUFreq driver for FSB changing on nVidia nForce2
           platforms.
@@ -188,6 +212,7 @@ config X86_CPUFREQ_NFORCE2
 
 config X86_LONGRUN
         tristate "Transmeta LongRun"
+        depends on X86_32
         help
           This adds the CPUFreq driver for Transmeta Crusoe and Efficeon processors
           which support LongRun.
@@ -199,7 +224,7 @@ config X86_LONGRUN
 config X86_LONGHAUL
         tristate "VIA Cyrix III Longhaul"
         select CPU_FREQ_TABLE
-        depends on ACPI_PROCESSOR
+        depends on X86_32 && ACPI_PROCESSOR
         help
           This adds the CPUFreq driver for VIA Samuel/CyrixIII,
           VIA Cyrix Samuel/C3, VIA Cyrix Ezra and VIA Cyrix Ezra-T
@@ -212,7 +237,7 @@ config X86_LONGHAUL
 config X86_E_POWERSAVER
         tristate "VIA C7 Enhanced PowerSaver (EXPERIMENTAL)"
         select CPU_FREQ_TABLE
-        depends on EXPERIMENTAL
+        depends on X86_32 && EXPERIMENTAL
         help
           This adds the CPUFreq driver for VIA C7 processors.
 
@@ -233,11 +258,11 @@ config X86_ACPI_CPUFREQ_PROC_INTF
 
 config X86_SPEEDSTEP_LIB
         tristate
-        default X86_SPEEDSTEP_ICH || X86_SPEEDSTEP_SMI || X86_P4_CLOCKMOD
+        default (X86_SPEEDSTEP_ICH || X86_SPEEDSTEP_SMI || X86_P4_CLOCKMOD)
 
 config X86_SPEEDSTEP_RELAXED_CAP_CHECK
         bool "Relaxed speedstep capability checks"
-        depends on (X86_SPEEDSTEP_SMI || X86_SPEEDSTEP_ICH)
+        depends on X86_32 && (X86_SPEEDSTEP_SMI || X86_SPEEDSTEP_ICH)
         help
           Don't perform all checks for a speedstep capable system which would
           normally be done. Some ancient or strange systems, though speedstep
diff --git a/arch/x86/kernel/cpu/cpufreq/Kconfig_64 b/arch/x86/kernel/cpu/cpufreq/Kconfig_64
deleted file mode 100644
index 9c9699fdcf52..000000000000
--- a/arch/x86/kernel/cpu/cpufreq/Kconfig_64
+++ /dev/null
@@ -1,108 +0,0 @@
-#
-# CPU Frequency scaling
-#
-
-menu "CPU Frequency scaling"
-
-source "drivers/cpufreq/Kconfig"
-
-if CPU_FREQ
-
-comment "CPUFreq processor drivers"
-
-config X86_POWERNOW_K8
-        tristate "AMD Opteron/Athlon64 PowerNow!"
-        select CPU_FREQ_TABLE
-        help
-          This adds the CPUFreq driver for mobile AMD Opteron/Athlon64 processors.
-
-          To compile this driver as a module, choose M here: the
-          module will be called powernow-k8.
-
-          For details, take a look at <file:Documentation/cpu-freq/>.
-
-          If in doubt, say N.
-
-config X86_POWERNOW_K8_ACPI
-        bool
-        depends on X86_POWERNOW_K8 && ACPI_PROCESSOR
-        depends on !(X86_POWERNOW_K8 = y && ACPI_PROCESSOR = m)
-        default y
-
-config X86_SPEEDSTEP_CENTRINO
-        tristate "Intel Enhanced SpeedStep (deprecated)"
-        select CPU_FREQ_TABLE
-        depends on ACPI_PROCESSOR
-        help
-          This is deprecated and this functionality is now merged into
-          acpi_cpufreq (X86_ACPI_CPUFREQ). Use that driver instead of
-          speedstep_centrino.
-          This adds the CPUFreq driver for Enhanced SpeedStep enabled
-          mobile CPUs.  This means Intel Pentium M (Centrino) CPUs
-          or 64bit enabled Intel Xeons.
-
-          To compile this driver as a module, choose M here: the
-          module will be called speedstep-centrino.
-
-          For details, take a look at <file:Documentation/cpu-freq/>.
-
-          If in doubt, say N.
-
-config X86_ACPI_CPUFREQ
-        tristate "ACPI Processor P-States driver"
-        select CPU_FREQ_TABLE
-        depends on ACPI_PROCESSOR
-        help
-          This driver adds a CPUFreq driver which utilizes the ACPI
-          Processor Performance States.
-          This driver also supports Intel Enhanced Speedstep.
-
-          To compile this driver as a module, choose M here: the
-          module will be called acpi-cpufreq.
-
-          For details, take a look at <file:Documentation/cpu-freq/>.
-
-          If in doubt, say N.
-
-comment "shared options"
-
-config X86_ACPI_CPUFREQ_PROC_INTF
-        bool "/proc/acpi/processor/../performance interface (deprecated)"
-        depends on PROC_FS
-        depends on X86_ACPI_CPUFREQ || X86_POWERNOW_K8_ACPI
-        help
-          This enables the deprecated /proc/acpi/processor/../performance
-          interface. While it is helpful for debugging, the generic,
-          cross-architecture cpufreq interfaces should be used.
-
-          If in doubt, say N.
-
-config X86_P4_CLOCKMOD
-        tristate "Intel Pentium 4 clock modulation"
-        depends on EMBEDDED
-        select CPU_FREQ_TABLE
-        help
-          This adds the clock modulation driver for Intel Pentium 4 / XEON
-          processors.  When enabled it will lower CPU temperature by skipping
-          clocks.
-
-          This driver should be only used in exceptional
-          circumstances when very low power is needed because it causes severe
-          slowdowns and noticeable latencies.  Normally Speedstep should be used
-          instead.
-
-          To compile this driver as a module, choose M here: the
-          module will be called p4-clockmod.
-
-          For details, take a look at <file:Documentation/cpu-freq/>.
-
-          Unless you are absolutely sure say N.
-
-
-config X86_SPEEDSTEP_LIB
-        tristate
-        default X86_P4_CLOCKMOD
-
-endif
-
-endmenu