[MIPS] tlbex: use __maybe_unused

Replace function instances of __attribute__((unused)) with
__maybe_unused.

Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/mm/tlbex.c

@@ -35,24 +35,24 @@
 #include <asm/smp.h>
 #include <asm/war.h>
 
-static __init int __attribute__((unused)) r45k_bvahwbug(void)
+static __init int __maybe_unused r45k_bvahwbug(void)
 {
 	/* XXX: We should probe for the presence of this bug, but we don't. */
 	return 0;
 }
 
-static __init int __attribute__((unused)) r4k_250MHZhwbug(void)
+static __init int __maybe_unused r4k_250MHZhwbug(void)
 {
 	/* XXX: We should probe for the presence of this bug, but we don't. */
 	return 0;
 }
 
-static __init int __attribute__((unused)) bcm1250_m3_war(void)
+static __init int __maybe_unused bcm1250_m3_war(void)
 {
 	return BCM1250_M3_WAR;
 }
 
-static __init int __attribute__((unused)) r10000_llsc_war(void)
+static __init int __maybe_unused r10000_llsc_war(void)
 {
 	return R10000_LLSC_WAR;
 }
@@ -511,18 +511,18 @@ L_LA(_r3000_write_probe_fail)
 #define i_ehb(buf) i_sll(buf, 0, 0, 3)
 
 #ifdef CONFIG_64BIT
-static __init int __attribute__((unused)) in_compat_space_p(long addr)
+static __init int __maybe_unused in_compat_space_p(long addr)
 {
 	/* Is this address in 32bit compat space? */
 	return (((addr) & 0xffffffff00000000L) == 0xffffffff00000000L);
 }
 
-static __init int __attribute__((unused)) rel_highest(long val)
+static __init int __maybe_unused rel_highest(long val)
 {
 	return ((((val + 0x800080008000L) >> 48) & 0xffff) ^ 0x8000) - 0x8000;
 }
 
-static __init int __attribute__((unused)) rel_higher(long val)
+static __init int __maybe_unused rel_higher(long val)
 {
 	return ((((val + 0x80008000L) >> 32) & 0xffff) ^ 0x8000) - 0x8000;
 }
@@ -556,8 +556,8 @@ static __init void i_LA_mostly(u32 **buf, unsigned int rs, long addr)
 		i_lui(buf, rs, rel_hi(addr));
 }
 
-static __init void __attribute__((unused)) i_LA(u32 **buf, unsigned int rs,
-						long addr)
+static __init void __maybe_unused i_LA(u32 **buf, unsigned int rs,
+					     long addr)
 {
 	i_LA_mostly(buf, rs, addr);
 	if (rel_lo(addr))
@@ -636,8 +636,8 @@ static __init void copy_handler(struct reloc *rel, struct label *lab,
 	move_labels(lab, first, end, off);
 }
 
-static __init int __attribute__((unused)) insn_has_bdelay(struct reloc *rel,
-							  u32 *addr)
+static __init int __maybe_unused insn_has_bdelay(struct reloc *rel,
+						       u32 *addr)
 {
 	for (; rel->lab != label_invalid; rel++) {
 		if (rel->addr == addr
@@ -650,15 +650,15 @@ static __init int __attribute__((unused)) insn_has_bdelay(struct reloc *rel,
 }
 
 /* convenience functions for labeled branches */
-static void __init __attribute__((unused))
+static void __init __maybe_unused
 	il_bltz(u32 **p, struct reloc **r, unsigned int reg, enum label_id l)
 {
 	r_mips_pc16(r, *p, l);
 	i_bltz(p, reg, 0);
 }
 
-static void __init __attribute__((unused)) il_b(u32 **p, struct reloc **r,
-					 enum label_id l)
+static void __init __maybe_unused il_b(u32 **p, struct reloc **r,
+					     enum label_id l)
 {
 	r_mips_pc16(r, *p, l);
 	i_b(p, 0);
@@ -671,7 +671,7 @@ static void __init il_beqz(u32 **p, struct reloc **r, unsigned int reg,
 	i_beqz(p, reg, 0);
 }
 
-static void __init __attribute__((unused))
+static void __init __maybe_unused
 il_beqzl(u32 **p, struct reloc **r, unsigned int reg, enum label_id l)
 {
 	r_mips_pc16(r, *p, l);
@@ -692,7 +692,7 @@ static void __init il_bgezl(u32 **p, struct reloc **r, unsigned int reg,
 	i_bgezl(p, reg, 0);
 }
 
-static void __init __attribute__((unused))
+static void __init __maybe_unused
 il_bgez(u32 **p, struct reloc **r, unsigned int reg, enum label_id l)
 {
 	r_mips_pc16(r, *p, l);
@@ -810,7 +810,7 @@ static __initdata u32 final_handler[64];
  *
  * As if we MIPS hackers wouldn't know how to nop pipelines happy ...
  */
-static __init void __attribute__((unused)) build_tlb_probe_entry(u32 **p)
+static __init void __maybe_unused build_tlb_probe_entry(u32 **p)
 {
 	switch (current_cpu_data.cputype) {
 	/* Found by experiment: R4600 v2.0 needs this, too.  */
@@ -1098,7 +1098,7 @@ build_get_pgd_vmalloc64(u32 **p, struct label **l, struct reloc **r,
  * TMP and PTR are scratch.
  * TMP will be clobbered, PTR will hold the pgd entry.
  */
-static __init void __attribute__((unused))
+static __init void __maybe_unused
 build_get_pgde32(u32 **p, unsigned int tmp, unsigned int ptr)
 {
 	long pgdc = (long)pgd_current;