[PATCH 11/12] MIPS: Get rid of CAVIUM_OCTEON_DCACHE_PREFETCH_WAR

From: Thomas Bogendoerfer
Date: Mon Aug 24 2020 - 12:35:34 EST


CAVIUM_OCTEON_DCACHE_PREFETCH_WAR is a check for Octeon model CN6XXXX.
By using the version check we can remove the define.

Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
---
arch/mips/cavium-octeon/setup.c | 2 +-
arch/mips/include/asm/mach-cavium-octeon/war.h | 3 ---
arch/mips/mm/uasm.c | 2 +-
3 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 4f34d92b52f9..8a357cb068c2 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -1126,7 +1126,7 @@ EXPORT_SYMBOL(prom_putchar);

void __init prom_free_prom_memory(void)
{
- if (CAVIUM_OCTEON_DCACHE_PREFETCH_WAR) {
+ if (OCTEON_IS_MODEL(OCTEON_CN6XXX)) {
/* Check for presence of Core-14449 fix. */
u32 insn;
u32 *foo;
diff --git a/arch/mips/include/asm/mach-cavium-octeon/war.h b/arch/mips/include/asm/mach-cavium-octeon/war.h
index 616de70e697c..ba6df0a186e9 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/war.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/war.h
@@ -9,7 +9,4 @@
#ifndef __ASM_MIPS_MACH_CAVIUM_OCTEON_WAR_H
#define __ASM_MIPS_MACH_CAVIUM_OCTEON_WAR_H

-#define CAVIUM_OCTEON_DCACHE_PREFETCH_WAR \
- OCTEON_IS_MODEL(OCTEON_CN6XXX)
-
#endif /* __ASM_MIPS_MACH_CAVIUM_OCTEON_WAR_H */
diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c
index c56f129c9a4b..81dd226d6b6b 100644
--- a/arch/mips/mm/uasm.c
+++ b/arch/mips/mm/uasm.c
@@ -394,7 +394,7 @@ I_u2u1u3(_lddir)
void uasm_i_pref(u32 **buf, unsigned int a, signed int b,
unsigned int c)
{
- if (CAVIUM_OCTEON_DCACHE_PREFETCH_WAR && a <= 24 && a != 5)
+ if (OCTEON_IS_MODEL(OCTEON_CN6XXX) && a <= 24 && a != 5)
/*
* As per erratum Core-14449, replace prefetches 0-4,
* 6-24 with 'pref 28'.
--
2.16.4