aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/Kconfig8
-rw-r--r--arch/arm/mm/alignment.c2
-rw-r--r--arch/arm/mm/ioremap.c2
-rw-r--r--arch/arm/mm/mmu.c2
4 files changed, 11 insertions, 3 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 15f0284010c..5f472a8b406 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -351,6 +351,7 @@ config CPU_V6
select CPU_CACHE_V6
select CPU_CACHE_VIPT
select CPU_CP15_MMU
+ select CPU_HAS_ASID
select CPU_COPY_V6 if MMU
select CPU_TLB_V6 if MMU
@@ -376,6 +377,7 @@ config CPU_V7
select CPU_CACHE_V7
select CPU_CACHE_VIPT
select CPU_CP15_MMU
+ select CPU_HAS_ASID
select CPU_COPY_V6 if MMU
select CPU_TLB_V6 if MMU
@@ -498,6 +500,12 @@ config CPU_TLB_V6
endif
+config CPU_HAS_ASID
+ bool
+ help
+ This indicates whether the CPU has the ASID register; used to
+ tag TLB and possibly cache entries.
+
config CPU_CP15
bool
help
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 19ca333240e..36440c89958 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 1995 Linus Torvalds
* Modifications for ARM processor (c) 1995-2001 Russell King
- * Thumb aligment fault fixups (c) 2004 MontaVista Software, Inc.
+ * Thumb alignment fault fixups (c) 2004 MontaVista Software, Inc.
* - Adapted from gdb/sim/arm/thumbemu.c -- Thumb instruction emulation.
* Copyright (C) 1996, Cygnus Software Technologies Ltd.
*
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index d6167ad4e01..f3ade18862a 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -346,7 +346,7 @@ void __iounmap(volatile void __iomem *addr)
#ifndef CONFIG_SMP
/*
* If this is a section based mapping we need to handle it
- * specially as the VM subysystem does not know how to handle
+ * specially as the VM subsystem does not know how to handle
* such a beast. We need the lock here b/c we need to clear
* all the mappings before the area can be reclaimed
* by someone else.
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 2ba1530d1ce..02e050ae59f 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -92,7 +92,7 @@ static struct cachepolicy cache_policies[] __initdata = {
};
/*
- * These are useful for identifing cache coherency
+ * These are useful for identifying cache coherency
* problems by allowing the cache or the cache and
* writebuffer to be turned off. (Note: the write
* buffer should not be on and the cache off).