diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index 41ed6e0f0a2a..1434642e9cba 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -428,7 +428,7 @@ static void cpum_cf_make_setsize(enum cpumf_ctr_set ctrset)
 	case CPUMF_CTR_SET_CRYPTO:
 		if (cpumf_ctr_info.csvn >= 1 && cpumf_ctr_info.csvn <= 5)
 			ctrset_size = 16;
-		else if (cpumf_ctr_info.csvn == 6 || cpumf_ctr_info.csvn == 7)
+		else if (cpumf_ctr_info.csvn >= 6)
 			ctrset_size = 20;
 		break;
 	case CPUMF_CTR_SET_EXT:
diff --git a/arch/s390/kernel/perf_cpum_cf_events.c b/arch/s390/kernel/perf_cpum_cf_events.c
index 0d64aafd158f..e4a6bfc91080 100644
--- a/arch/s390/kernel/perf_cpum_cf_events.c
+++ b/arch/s390/kernel/perf_cpum_cf_events.c
@@ -855,16 +855,11 @@ __init const struct attribute_group **cpumf_cf_event_group(void)
 	}
 
 	/* Determine version specific crypto set */
-	switch (ci.csvn) {
-	case 1 ... 5:
+	csvn = none;
+	if (ci.csvn >= 1 && ci.csvn <= 5)
 		csvn = cpumcf_svn_12345_pmu_event_attr;
-		break;
-	case 6 ... 7:
+	else if (ci.csvn >= 6)
 		csvn = cpumcf_svn_67_pmu_event_attr;
-		break;
-	default:
-		csvn = none;
-	}
 
 	/* Determine model-specific counter set(s) */
 	get_cpu_id(&cpu_id);