From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
Current perf init will failed with:
[ 1.452433] csky-pmu: probe of soc:pmu failed with error -16
This patch fix it up with adding CPUHP_AP_PERF_CSKY_ONLINE in
cpuhotplug.h.
Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
arch/csky/kernel/perf_event.c | 2 +-
include/linux/cpuhotplug.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/csky/kernel/perf_event.c b/arch/csky/kernel/perf_event.c
index 1a29f1157449..55d5a5379483 100644
--- a/arch/csky/kernel/perf_event.c
+++ b/arch/csky/kernel/perf_event.c
@@ -1319,7 +1319,7 @@ int csky_pmu_device_probe(struct platform_device *pdev,
pr_notice("[perf] PMU request irq fail!\n");
}
- ret = cpuhp_setup_state(CPUHP_AP_PERF_ONLINE, "AP_PERF_ONLINE",
+ ret = cpuhp_setup_state(CPUHP_AP_PERF_CSKY_ONLINE, "AP_PERF_ONLINE",
csky_pmu_starting_cpu,
csky_pmu_dying_cpu);
if (ret) {
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index 0042ef362511..d3e26dc81494 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -185,6 +185,7 @@ enum cpuhp_state {
CPUHP_AP_PERF_POWERPC_TRACE_IMC_ONLINE,
CPUHP_AP_PERF_POWERPC_HV_24x7_ONLINE,
CPUHP_AP_PERF_POWERPC_HV_GPCI_ONLINE,
+ CPUHP_AP_PERF_CSKY_ONLINE,
CPUHP_AP_WATCHDOG_ONLINE,
CPUHP_AP_WORKQUEUE_ONLINE,
CPUHP_AP_RCUTREE_ONLINE,
--
2.17.1
