[PATCH] ARM: allow enabling SCU code on UP
From: Rob Herring <hidden>
Date: 2011-06-07 16:16:02
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
From: Rob Herring <redacted> 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 <redacted> --- arch/arm/Kconfig | 1 - arch/arm/kernel/smp_scu.c | 2 ++ 2 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9adc278..8665a24 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig@@ -1346,7 +1346,6 @@ 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 a1e757c..79ed5e7 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
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1.7.4.1