ARM: Add ARCH_HAS_CPUFREQ for presence of CPUFREQ driver

Add ARCH_HAS_CPUFREQ so that each machine config can select
it if they have CPUFREQ driver support. This means that the
CPUFREQ specific area does not need the if statement updating
each time a new machine is added.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index aef63c8..7dbaabd 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -126,6 +126,13 @@ config ARCH_HAS_ILOG2_U32
 config ARCH_HAS_ILOG2_U64
        bool
 
+config ARCH_HAS_CPUFREQ
+       bool
+       help
+         Internal node to signify that the ARCH has CPUFREQ support
+         and that the relevant menu configurations are displayed for
+         it.
+
 config GENERIC_HWEIGHT
        bool
        default y
@@ -203,6 +210,7 @@ config ARCH_AAEC2000
 config ARCH_INTEGRATOR
        bool "ARM Ltd. Integrator family"
        select ARM_AMBA
+       select ARCH_HAS_CPUFREQ
        select HAVE_CLK
        select COMMON_CLKDEV
        select ICST525
@@ -509,6 +517,7 @@ config ARCH_PXA
        bool "PXA2xx/PXA3xx-based"
        depends on MMU
        select ARCH_MTD_XIP
+       select ARCH_HAS_CPUFREQ
        select GENERIC_GPIO
        select HAVE_CLK
        select COMMON_CLKDEV
@@ -551,6 +560,7 @@ config ARCH_SA1100
        select ISA
        select ARCH_SPARSEMEM_ENABLE
        select ARCH_MTD_XIP
+       select ARCH_HAS_CPUFREQ
        select GENERIC_GPIO
        select GENERIC_TIME
        select GENERIC_CLOCKEVENTS
@@ -573,6 +583,7 @@ config ARCH_S3C64XX
        bool "Samsung S3C64XX"
        select GENERIC_GPIO
        select HAVE_CLK
+       select ARCH_HAS_CPUFREQ
        help
          Samsung S3C64XX series based systems
 
@@ -632,6 +643,7 @@ config ARCH_OMAP
        select GENERIC_GPIO
        select HAVE_CLK
        select ARCH_REQUIRE_GPIOLIB
+       select ARCH_HAS_CPUFREQ
        select GENERIC_TIME
        select GENERIC_CLOCKEVENTS
        help
@@ -1241,7 +1253,7 @@ endmenu
 
 menu "CPU Power Management"
 
-if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_PXA || ARCH_S3C64XX)
+if ARCH_HAS_CPUFREQ
 
 source "drivers/cpufreq/Kconfig"