[PATCH 4/4] perf: csky: Using CPUHP_AP_ONLINE_DYN

guoren
2021-03-01T14:30:27Z

Remove C-SKY perf custom definitions in hotplug.h:
- CPUHP_AP_PERF_CSKY_ONLINE

For coding convention.

Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Link: https://lore.kernel.org/lkml/CAHk-=wjM+kCsKqNdb=c0hKsv=J7-3Q1zmM15vp6_=8S5XfGMtA@mail.gmail.com/
---
arch/csky/kernel/perf_event.c | 4 ++--
include/linux/cpuhotplug.h | 1 -
2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/csky/kernel/perf_event.c b/arch/csky/kernel/perf_event.c
index e5f1842..ccc27c3 100644
--- a/arch/csky/kernel/perf_event.c
+++ b/arch/csky/kernel/perf_event.c
@@ -1319,10 +1319,10 @@ int csky_pmu_device_probe(struct platform_device *pdev,
pr_notice("[perf] PMU request irq fail!\n");
}

- ret = cpuhp_setup_state(CPUHP_AP_PERF_CSKY_ONLINE, "AP_PERF_ONLINE",
+ ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "arch/csky/perf_event:starting",
csky_pmu_starting_cpu,
csky_pmu_dying_cpu);
- if (ret) {
+ if (ret < 0) {
csky_pmu_free_irq();
free_percpu(csky_pmu.hw_events);
return ret;
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index 7f25b44..3a76019 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -182,7 +182,6 @@ 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,