diff options
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/mp.c')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/mp.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/mp.c b/arch/arm/cpu/armv8/fsl-layerscape/mp.c index df7ffb8..f607c39 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/mp.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/mp.c @@ -104,6 +104,11 @@ int is_core_valid(unsigned int core) return !!((1 << core) & cpu_mask()); } +static int is_pos_valid(unsigned int pos) +{ + return !!((1 << pos) & cpu_pos_mask()); +} + int is_core_online(u64 cpu_id) { u64 *table; @@ -126,9 +131,9 @@ int cpu_disable(int nr) return 0; } -int core_to_pos(int nr) +static int core_to_pos(int nr) { - u32 cores = cpu_mask(); + u32 cores = cpu_pos_mask(); int i, count = 0; if (nr == 0) { @@ -139,14 +144,17 @@ int core_to_pos(int nr) } for (i = 1; i < 32; i++) { - if (is_core_valid(i)) { + if (is_pos_valid(i)) { count++; if (count == nr) break; } } - return count; + if (count != nr) + return -1; + + return i; } int cpu_status(int nr) |