MIPS: SGI-IP27: Move get_nasid() to a IP27 specific file

get_nasid() will be different for SGI-IP35, therefore move IP27
implementation to IP27 specific file.

Signed-off-by: Thomas Bogendoerfer <[e-mail]>
Signed-off-by: Paul Burton <[e-mail]>
Cc: Ralf Baechle <[e-mail]>
Cc: James Hogan <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]

arch/mips/include/asm/sn/arch.h

···
 #define INVALID_MODULE		(moduleid_t)-1
 #define INVALID_PARTID		(partid_t)-1
 
-#ifndef __ASSEMBLY__
-
-extern nasid_t get_nasid(void);
-
-#endif
-
 #endif /* _ASM_SN_ARCH_H */

arch/mips/include/asm/sn/sn0/hub.h

···
 	and	\res, NSRI_NODEID_MASK
 	dsrl	\res, NSRI_NODEID_SHFT
 	.endm
+#else
+
+/*
+ * get_nasid() returns the physical node id number of the caller.
+ */
+static inline nasid_t get_nasid(void)
+{
+	return (nasid_t)((LOCAL_HUB_L(NI_STATUS_REV_ID) & NSRI_NODEID_MASK)
+			 >> NSRI_NODEID_SHFT);
+}
 #endif
 
 #endif /* _ASM_SN_SN0_HUB_H */

arch/mips/sgi-ip27/ip27-init.c

···
 	enable_percpu_irq(IP27_HUB_PEND1_IRQ, IRQ_TYPE_NONE);
 }
 
-/*
- * get_nasid() returns the physical node id number of the caller.
- */
-nasid_t
-get_nasid(void)
-{
-	return (nasid_t)((LOCAL_HUB_L(NI_STATUS_REV_ID) & NSRI_NODEID_MASK)
-			 >> NSRI_NODEID_SHFT);
-}
-
 void __init plat_mem_setup(void)
 {
 	u64 p, e, n_mode;