From: Paul Burton <paul.burton@mips.com>
Date: Mon, 15 Oct 2018 18:33:23 +0000 (+0000)
Subject: MIPS: Remove unused PREF, PREFE & PREFX macros
X-Git-Tag: v4.20-rc1~95^2~5
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=7f8502a539bbfca7c3027e0279060eb46dfde59f;p=linux.git

MIPS: Remove unused PREF, PREFE & PREFX macros

asm/asm.h provides PREF(), PREFE() & PREFX() macros which are now
entirely unused. Delete the dead code.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/20908/
Cc: linux-mips@linux-mips.org
---

diff --git a/arch/mips/include/asm/asm.h b/arch/mips/include/asm/asm.h
index 74b1c6fd8277..c23527ba65d0 100644
--- a/arch/mips/include/asm/asm.h
+++ b/arch/mips/include/asm/asm.h
@@ -103,42 +103,6 @@ symbol		=	value
 8:		.asciiz msg;				\
 		.popsection;
 
-/*
- * MIPS IV pref instruction.
- * Use with .set noreorder only!
- *
- * MIPS IV implementations are free to treat this as a nop.  The R5000
- * is one of them.  So we should have an option not to use this instruction.
- */
-#ifdef CONFIG_CPU_HAS_PREFETCH
-
-#define PREF(hint,addr)					\
-		.set	push;				\
-		.set	arch=r5000;			\
-		pref	hint, addr;			\
-		.set	pop
-
-#define PREFE(hint, addr)				\
-		.set	push;				\
-		.set	mips0;				\
-		.set	eva;				\
-		prefe	hint, addr;			\
-		.set	pop
-
-#define PREFX(hint,addr)				\
-		.set	push;				\
-		.set	arch=r5000;			\
-		prefx	hint, addr;			\
-		.set	pop
-
-#else /* !CONFIG_CPU_HAS_PREFETCH */
-
-#define PREF(hint, addr)
-#define PREFE(hint, addr)
-#define PREFX(hint, addr)
-
-#endif /* !CONFIG_CPU_HAS_PREFETCH */
-
 /*
  * Stack alignment
  */