linux-kernel - [PATCH] cpufreq: cppc: simplify default delay

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Date:   Fri, 12 Mar 2021 19:50:06 -0700
From:   Tom Saeger <tom.saeger@...cle.com>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Prashanth Prakash <pprakash@...eaurora.org>,
        linux-pm@...r.kernel.org
Cc:     Tom Saeger <tom.saeger@...cle.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] cpufreq: cppc: simplify default delay_us setting

Simplify case when setting default in cppc_cpufreq_get_transition_delay_us.

Signed-off-by: Tom Saeger <tom.saeger@...cle.com>
---
 drivers/cpufreq/cppc_cpufreq.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index 8a482c434ea6..2f769b1630c5 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c
@@ -216,26 +216,16 @@ static unsigned int cppc_cpufreq_get_transition_delay_us(unsigned int cpu)
 {
 	unsigned long implementor = read_cpuid_implementor();
 	unsigned long part_num = read_cpuid_part_number();
-	unsigned int delay_us = 0;
 
 	switch (implementor) {
 	case ARM_CPU_IMP_QCOM:
 		switch (part_num) {
 		case QCOM_CPU_PART_FALKOR_V1:
 		case QCOM_CPU_PART_FALKOR:
-			delay_us = 10000;
-			break;
-		default:
-			delay_us = cppc_get_transition_latency(cpu) / NSEC_PER_USEC;
-			break;
+			return 10000;
 		}
-		break;
-	default:
-		delay_us = cppc_get_transition_latency(cpu) / NSEC_PER_USEC;
-		break;
 	}
-
-	return delay_us;
+	return cppc_get_transition_latency(cpu) / NSEC_PER_USEC;
 }
 
 #else
-- 
2.30.1