x86, es7000: clean up es7000_enable_apic_mode()

- eliminate the needless es7000_enable_apic_mode() complication which
  was not apparent prior the namespace cleanups

- clean up the control flow in es7000_enable_apic_mode()

- other cleanups
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/include/asm/es7000/apic.h

@@ -36,6 +36,8 @@ static inline unsigned long es7000_check_apicid_present(int bit)
 	return physid_isset(bit, phys_cpu_present_map);
 }
 
+extern void es7000_enable_apic_mode(void);
+
 #define apicid_cluster(apicid) (apicid & 0xF0)
 
 static inline unsigned long calculate_ldr(int cpu)

arch/x86/kernel/es7000_32.c

@@ -359,20 +359,21 @@ es7000_mip_write(struct mip_reg *mip_reg)
 	return status;
 }
 
-void __init
-es7000_sw_apic(void)
+void __init es7000_enable_apic_mode(void)
 {
-	if (es7000_plat) {
-		int mip_status;
-		struct mip_reg es7000_mip_reg;
-
-		printk("ES7000: Enabling APIC mode.\n");
-        	memset(&es7000_mip_reg, 0, sizeof(struct mip_reg));
-        	es7000_mip_reg.off_0 = MIP_SW_APIC;
-        	es7000_mip_reg.off_38 = (MIP_VALID);
-        	while ((mip_status = es7000_mip_write(&es7000_mip_reg)) != 0)
-              		printk("es7000_sw_apic: command failed, status = %x\n",
-				mip_status);
+	struct mip_reg es7000_mip_reg;
+	int mip_status;
+
+	if (!es7000_plat)
 		return;
+
+	printk("ES7000: Enabling APIC mode.\n");
+       	memset(&es7000_mip_reg, 0, sizeof(struct mip_reg));
+       	es7000_mip_reg.off_0 = MIP_SW_APIC;
+       	es7000_mip_reg.off_38 = MIP_VALID;
+
+       	while ((mip_status = es7000_mip_write(&es7000_mip_reg)) != 0) {
+		printk("es7000_enable_apic_mode: command failed, status = %x\n",
+			mip_status);
 	}
 }

arch/x86/mach-generic/es7000.c

@@ -35,13 +35,6 @@ static int probe_es7000(void)
 	return 0;
 }
 
-extern void es7000_sw_apic(void);
-
-static void __init es7000_enable_apic_mode(void)
-{
-	es7000_sw_apic();
-}
-
 static __init int
 mps_oem_check(struct mpc_table *mpc, char *oem, char *productid)
 {