diff options
Diffstat (limited to 'arch/riscv/kernel/cpu_ops_sbi.c')
| -rw-r--r-- | arch/riscv/kernel/cpu_ops_sbi.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/arch/riscv/kernel/cpu_ops_sbi.c b/arch/riscv/kernel/cpu_ops_sbi.c index efa0f0816634..e6fbaaf54956 100644 --- a/arch/riscv/kernel/cpu_ops_sbi.c +++ b/arch/riscv/kernel/cpu_ops_sbi.c @@ -72,30 +72,14 @@ static int sbi_cpu_start(unsigned int cpuid, struct task_struct *tidle) /* Make sure tidle is updated */ smp_mb(); bdata->task_ptr = tidle; - bdata->stack_ptr = task_stack_page(tidle) + THREAD_SIZE; + bdata->stack_ptr = task_pt_regs(tidle); /* Make sure boot data is updated */ smp_mb(); hsm_data = __pa(bdata); return sbi_hsm_hart_start(hartid, boot_addr, hsm_data); } -static int sbi_cpu_prepare(unsigned int cpuid) -{ - if (!cpu_ops_sbi.cpu_start) { - pr_err("cpu start method not defined for CPU [%d]\n", cpuid); - return -ENODEV; - } - return 0; -} - #ifdef CONFIG_HOTPLUG_CPU -static int sbi_cpu_disable(unsigned int cpuid) -{ - if (!cpu_ops_sbi.cpu_stop) - return -EOPNOTSUPP; - return 0; -} - static void sbi_cpu_stop(void) { int ret; @@ -118,11 +102,8 @@ static int sbi_cpu_is_stopped(unsigned int cpuid) #endif const struct cpu_operations cpu_ops_sbi = { - .name = "sbi", - .cpu_prepare = sbi_cpu_prepare, .cpu_start = sbi_cpu_start, #ifdef CONFIG_HOTPLUG_CPU - .cpu_disable = sbi_cpu_disable, .cpu_stop = sbi_cpu_stop, .cpu_is_stopped = sbi_cpu_is_stopped, #endif |