diff options
Diffstat (limited to 'arch/powerpc/sysdev/xive/common.c')
| -rw-r--r-- | arch/powerpc/sysdev/xive/common.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index a30d6d12b92b..f1e0a3326d01 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -1372,6 +1372,19 @@ void xive_flush_interrupt(void) #endif /* CONFIG_SMP */ +void xive_teardown_cpu(void) +{ + struct xive_cpu *xc = __this_cpu_read(xive_cpu); + unsigned int cpu = smp_processor_id(); + + /* Set CPPR to 0 to disable flow of interrupts */ + xc->cppr = 0; + out_8(xive_tima + xive_tima_offset + TM_CPPR, 0); + + if (xive_ops->teardown_cpu) + xive_ops->teardown_cpu(cpu, xc); +} + void xive_kexec_teardown_cpu(int secondary) { struct xive_cpu *xc = __this_cpu_read(xive_cpu); |