x86, mrst: make mrst_identify_cpu() an inline returning enum

We have an enum, might as well use it.  While we're at it, make it an
inline... there is really no point in calling a function for this
stuff.

LKML-Reference: <1274295685-6774-3-git-send-email-jacob.jun.pan@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h
index 67ad315..1869c18 100644
--- a/arch/x86/include/asm/mrst.h
+++ b/arch/x86/include/asm/mrst.h
@@ -11,7 +11,6 @@
 #ifndef _ASM_X86_MRST_H
 #define _ASM_X86_MRST_H
 extern int pci_mrst_init(void);
-extern int mrst_identify_cpu(void);
 extern int mrst_timer_options __cpuinitdata;
 int __init sfi_parse_mrtc(struct sfi_table_header *table);
 
@@ -27,6 +26,12 @@
 	MRST_CPU_CHIP_PENWELL,
 };
 
+extern enum mrst_cpu_type __mrst_cpu_chip;
+static enum mrst_cpu_type mrst_identify_cpu(void)
+{
+	return __mrst_cpu_chip;
+}
+
 enum mrst_timer_options {
 	MRST_TIMER_DEFAULT,
 	MRST_TIMER_APBT_ONLY,