diff options
Diffstat (limited to 'arch/mips/kernel/smp-cps.c')
| -rw-r--r-- | arch/mips/kernel/smp-cps.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c index 7b0e69af4097..22d4f9ff3ae2 100644 --- a/arch/mips/kernel/smp-cps.c +++ b/arch/mips/kernel/smp-cps.c @@ -281,9 +281,20 @@ static void __init cps_smp_setup(void) #endif /* CONFIG_MIPS_MT_FPAFF */ } +unsigned long calibrate_delay_is_known(void) +{ + int first_cpu_cluster = 0; + + /* The calibration has to be done on the primary CPU of the cluster */ + if (mips_cps_first_online_in_cluster(&first_cpu_cluster)) + return 0; + + return cpu_data[first_cpu_cluster].udelay_val; +} + static void __init cps_prepare_cpus(unsigned int max_cpus) { - unsigned int nclusters, ncores, core_vpes, c, cl, cca; + unsigned int nclusters, ncores, core_vpes, nvpe = 0, c, cl, cca; bool cca_unsuitable, cores_limited; struct cluster_boot_config *cluster_bootcfg; struct core_boot_config *core_bootcfg; @@ -356,10 +367,13 @@ static void __init cps_prepare_cpus(unsigned int max_cpus) /* Allocate VPE boot configuration structs */ for (c = 0; c < ncores; c++) { + int v; core_vpes = core_vpe_count(cl, c); core_bootcfg[c].vpe_config = kcalloc(core_vpes, sizeof(*core_bootcfg[c].vpe_config), GFP_KERNEL); + for (v = 0; v < core_vpes; v++) + cpumask_set_cpu(nvpe++, &mips_cps_cluster_bootcfg[cl].cpumask); if (!core_bootcfg[c].vpe_config) goto err_out; } |