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csky: Fixup perf probe failed 

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@linux.alibaba.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
This commit is contained in:
Guo Ren 2020-11-13 09:48:27 +00:00
parent 0c8a32eed1
commit 398cb92495
2 changed files with 2 additions and 1 deletions
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2
arch/csky/kernel/perf_event.c
View File

@ -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) {

1
include/linux/cpuhotplug.h
View File

@ -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,