x86/CPU: Move x86_cpuinfo::x86_max_cores assignment to detect_num_cpu_cores()

No point to have it at the call sites.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/x86/kernel/cpu/centaur.c

@@ -161,7 +161,7 @@ static void init_centaur(struct cpuinfo_x86 *c)
 #endif
 	early_init_centaur(c);
 	init_intel_cacheinfo(c);
-	c->x86_max_cores = detect_num_cpu_cores(c);
+	detect_num_cpu_cores(c);
 #ifdef CONFIG_X86_32
 	detect_ht(c);
 #endif

arch/x86/kernel/cpu/common.c

@@ -584,18 +584,17 @@ static void get_model_name(struct cpuinfo_x86 *c)
 	*(s + 1) = '\0';
 }
 
-int detect_num_cpu_cores(struct cpuinfo_x86 *c)
+void detect_num_cpu_cores(struct cpuinfo_x86 *c)
 {
 	unsigned int eax, ebx, ecx, edx;
 
+	c->x86_max_cores = 1;
 	if (!IS_ENABLED(CONFIG_SMP) || c->cpuid_level < 4)
-		return 1;
+		return;
 
 	cpuid_count(4, 0, &eax, &ebx, &ecx, &edx);
 	if (eax & 0x1f)
-		return (eax >> 26) + 1;
-	else
-		return 1;
+		c->x86_max_cores = (eax >> 26) + 1;
 }
 
 void cpu_detect_cache_sizes(struct cpuinfo_x86 *c)

arch/x86/kernel/cpu/cpu.h

@@ -54,7 +54,7 @@ extern u32 get_scattered_cpuid_leaf(unsigned int level,
 extern void init_intel_cacheinfo(struct cpuinfo_x86 *c);
 extern void init_amd_cacheinfo(struct cpuinfo_x86 *c);
 
-extern int detect_num_cpu_cores(struct cpuinfo_x86 *c);
+extern void detect_num_cpu_cores(struct cpuinfo_x86 *c);
 extern int detect_extended_topology(struct cpuinfo_x86 *c);
 extern void detect_ht(struct cpuinfo_x86 *c);
 

arch/x86/kernel/cpu/intel.c

@@ -651,7 +651,7 @@ static void init_intel(struct cpuinfo_x86 *c)
 		 * let's use the legacy cpuid vector 0x1 and 0x4 for topology
 		 * detection.
 		 */
-		c->x86_max_cores = detect_num_cpu_cores(c);
+		detect_num_cpu_cores(c);
 #ifdef CONFIG_X86_32
 		detect_ht(c);
 #endif