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-rw-r--r--arch/arm/Kconfig3
-rw-r--r--arch/arm/include/asm/delay.h4
-rw-r--r--arch/arm/lib/Makefile6
3 files changed, 12 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 6d122de88693..00e5955014ab 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -187,6 +187,9 @@ config ARM_L1_CACHE_SHIFT_6
help
Setting ARM L1 cache line size to 64 Bytes.
+config ARCH_PROVIDES_UDELAY
+ bool
+
config VECTORS_BASE
hex
default 0xffff0000 if MMU || CPU_HIGH_VECTOR
diff --git a/arch/arm/include/asm/delay.h b/arch/arm/include/asm/delay.h
index b2deda181549..57f1fa0e983b 100644
--- a/arch/arm/include/asm/delay.h
+++ b/arch/arm/include/asm/delay.h
@@ -8,6 +8,9 @@
#include <asm/param.h> /* HZ */
+#ifdef CONFIG_ARCH_PROVIDES_UDELAY
+#include <mach/delay.h>
+#else
extern void __delay(int loops);
/*
@@ -40,5 +43,6 @@ extern void __const_udelay(unsigned long);
__const_udelay((n) * ((2199023U*HZ)>>11))) : \
__udelay(n))
+#endif /* defined(ARCH_PROVIDES_UDELAY) */
#endif /* defined(_ARM_DELAY_H) */
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 59ff42ddf0ae..68b10b684e83 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -6,7 +6,7 @@
lib-y := backtrace.o changebit.o csumipv6.o csumpartial.o \
csumpartialcopy.o csumpartialcopyuser.o clearbit.o \
- delay.o findbit.o memchr.o memcpy.o \
+ findbit.o memchr.o memcpy.o \
memmove.o memset.o memzero.o setbit.o \
strncpy_from_user.o strnlen_user.o \
strchr.o strrchr.o \
@@ -17,6 +17,10 @@ lib-y := backtrace.o changebit.o csumipv6.o csumpartial.o \
mmu-y := clear_user.o copy_page.o getuser.o putuser.o
+ifneq ($(CONFIG_ARCH_PROVIDES_UDELAY),y)
+ lib-y += delay.o
+endif
+
# the code in uaccess.S is not preemption safe and
# probably faster on ARMv3 only
ifeq ($(CONFIG_PREEMPT),y)