ARM: 6960/1: allow enabling SCU code on UP

The scu_power_mode function can be used on UP builds as it drives signals
to an SOC power controller. So make it selectable for !SMP.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 2 insertions, 1 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index cd8f520dd03d..84fda2bebd7a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1349,7 +1349,6 @@ config SMP_ON_UP
 
 config HAVE_ARM_SCU
         bool
-        depends on SMP
         help
           This option enables support for the ARM system coherency unit
 
diff --git a/arch/arm/kernel/smp_scu.c b/arch/arm/kernel/smp_scu.c
index a1e757c3439b..79ed5e7f204a 100644
--- a/arch/arm/kernel/smp_scu.c
+++ b/arch/arm/kernel/smp_scu.c
@@ -20,6 +20,7 @@
 #define SCU_INVALIDATE          0x0c
 #define SCU_FPGA_REVISION       0x10
 
+#ifdef CONFIG_SMP
 /*
  * Get the number of CPU cores from the SCU configuration
  */
@@ -50,6 +51,7 @@ void __init scu_enable(void __iomem *scu_base)
          */
         flush_cache_all();
 }
+#endif
 
 /*
  * Set the executing CPUs power mode as defined.  This will be in