summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorRob Herring <rob.herring@calxeda.com>2011-06-13 15:28:53 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-07-06 20:55:15 +0100
commit10cdc7e5129ac26aefece4c7a7d5b1a0285237c2 (patch)
tree42482ef55f6a6643b1a195c8255e79272fc2c572
parenteca5dc2a0028d64229aef1b7839bcbae1d864c5f (diff)
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>
-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/kernel/smp_scu.c2
2 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index cd8f520dd03..84fda2bebd7 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 a1e757c3439..79ed5e7f204 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