[PATCH v4 2/3] cpufreq: CPPC: Factor out cppc_fie_kworker_init()

[Jie Zhan]

Factor out the CPPC FIE kworker init in cppc_freq_invariance_init() because
it's a standalone procedure for use when the CPC regs are in PCC channels.

Signed-off-by: Jie Zhan <zhanjie9 at hisilicon.com>
---
 drivers/cpufreq/cppc_cpufreq.c | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)

diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index 9eac77c4f294..947b4e2e1d4e 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c
@@ -184,7 +184,7 @@ static void cppc_cpufreq_cpu_fie_exit(struct cpufreq_policy *policy)
 	}
 }
 
-static void __init cppc_freq_invariance_init(void)
+static void cppc_fie_kworker_init(void)
 {
 	struct sched_attr attr = {
 		.size		= sizeof(struct sched_attr),
@@ -201,17 +201,6 @@ static void __init cppc_freq_invariance_init(void)
 	};
 	int ret;
 
-	if (fie_disabled != FIE_ENABLED && fie_disabled != FIE_DISABLED) {
-		fie_disabled = FIE_ENABLED;
-		if (cppc_perf_ctrs_in_pcc()) {
-			pr_info("FIE not enabled on systems with registers in PCC\n");
-			fie_disabled = FIE_DISABLED;
-		}
-	}
-
-	if (fie_disabled)
-		return;
-
 	kworker_fie = kthread_run_worker(0, "cppc_fie");
 	if (IS_ERR(kworker_fie)) {
 		pr_warn("%s: failed to create kworker_fie: %ld\n", __func__,
@@ -229,6 +218,22 @@ static void __init cppc_freq_invariance_init(void)
 	}
 }
 
+static void __init cppc_freq_invariance_init(void)
+{
+	if (fie_disabled != FIE_ENABLED && fie_disabled != FIE_DISABLED) {
+		fie_disabled = FIE_ENABLED;
+		if (cppc_perf_ctrs_in_pcc()) {
+			pr_info("FIE not enabled on systems with registers in PCC\n");
+			fie_disabled = FIE_DISABLED;
+		}
+	}
+
+	if (fie_disabled)
+		return;
+
+	cppc_fie_kworker_init();
+}
+
 static void cppc_freq_invariance_exit(void)
 {
 	if (fie_disabled)
-- 
2.33.0