From: Rob Herring <[email protected]> Cortex-A9 SCU based platforms use the same code for smp_init_cpus, so create a common implementation for systems with an SCU.
Signed-off-by: Rob Herring <[email protected]> --- arch/arm/include/asm/smp_scu.h | 1 + arch/arm/kernel/smp_scu.c | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+), 0 deletions(-) diff --git a/arch/arm/include/asm/smp_scu.h b/arch/arm/include/asm/smp_scu.h index 4eb6d00..6b03557 100644 --- a/arch/arm/include/asm/smp_scu.h +++ b/arch/arm/include/asm/smp_scu.h @@ -7,6 +7,7 @@ #ifndef __ASSEMBLER__ unsigned int scu_get_core_count(void __iomem *); +void scu_init_cpus(void __iomem *); void scu_enable(void __iomem *); int scu_power_mode(void __iomem *, unsigned int); #endif diff --git a/arch/arm/kernel/smp_scu.c b/arch/arm/kernel/smp_scu.c index a1e757c..e58b8c4 100644 --- a/arch/arm/kernel/smp_scu.c +++ b/arch/arm/kernel/smp_scu.c @@ -29,6 +29,25 @@ unsigned int __init scu_get_core_count(void __iomem *scu_base) return (ncores & 0x03) + 1; } +void __init scu_init_cpus(void __iomem *scu_base) +{ + unsigned int i, ncores; + + ncores = scu_get_core_count(scu_base); + + /* sanity check */ + if (ncores > NR_CPUS) { + printk(KERN_WARNING + "SCU: No. of cores (%d) greater than configured " + "maximum of %d - clipping\n", + ncores, NR_CPUS); + ncores = NR_CPUS; + } + + for (i = 0; i < ncores; i++) + set_cpu_possible(i, true); +} + /* * Enable the SCU */ -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
