summaryrefslogtreecommitdiff
path: root/arch/x86/um
diff options
context:
space:
mode:
authorRichard Weinberger <richard@nod.at>2011-08-18 23:55:11 +0400
committerRichard Weinberger <richard@nod.at>2011-11-02 17:15:37 +0400
commitd0af6cbfa2eb675643cc651114364752e972900b (patch)
treea8ecae20a0c8d709cc655c3c62ccc9b4f7a58e57 /arch/x86/um
parent73395a0002aa9573ffc8d989587b79663847f705 (diff)
downloadlinux-d0af6cbfa2eb675643cc651114364752e972900b.tar.xz
um: merge delay_{32,64}.c
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/x86/um')
-rw-r--r--arch/x86/um/Makefile2
-rw-r--r--arch/x86/um/delay.c (renamed from arch/x86/um/delay_32.c)0
-rw-r--r--arch/x86/um/delay_64.c60
3 files changed, 1 insertions, 61 deletions
diff --git a/arch/x86/um/Makefile b/arch/x86/um/Makefile
index ffe1008a3f43..8fb58400e415 100644
--- a/arch/x86/um/Makefile
+++ b/arch/x86/um/Makefile
@@ -8,7 +8,7 @@ else
BITS := 64
endif
-obj-y = bug.o bugs_$(BITS).o delay_$(BITS).o fault.o ksyms.o ldt.o \
+obj-y = bug.o bugs_$(BITS).o delay.o fault.o ksyms.o ldt.o \
ptrace_$(BITS).o ptrace_user.o setjmp_$(BITS).o signal.o \
stub_$(BITS).o stub_segv.o syscalls_$(BITS).o \
sys_call_table_$(BITS).o sysrq_$(BITS).o tls_$(BITS).o \
diff --git a/arch/x86/um/delay_32.c b/arch/x86/um/delay.c
index f3fe1a688f7e..f3fe1a688f7e 100644
--- a/arch/x86/um/delay_32.c
+++ b/arch/x86/um/delay.c
diff --git a/arch/x86/um/delay_64.c b/arch/x86/um/delay_64.c
deleted file mode 100644
index f3fe1a688f7e..000000000000
--- a/arch/x86/um/delay_64.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (C) 2011 Richard Weinberger <richrd@nod.at>
- * Mostly copied from arch/x86/lib/delay.c
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <asm/param.h>
-
-void __delay(unsigned long loops)
-{
- asm volatile(
- "test %0,%0\n"
- "jz 3f\n"
- "jmp 1f\n"
-
- ".align 16\n"
- "1: jmp 2f\n"
-
- ".align 16\n"
- "2: dec %0\n"
- " jnz 2b\n"
- "3: dec %0\n"
-
- : /* we don't need output */
- : "a" (loops)
- );
-}
-EXPORT_SYMBOL(__delay);
-
-inline void __const_udelay(unsigned long xloops)
-{
- int d0;
-
- xloops *= 4;
- asm("mull %%edx"
- : "=d" (xloops), "=&a" (d0)
- : "1" (xloops), "0"
- (loops_per_jiffy * (HZ/4)));
-
- __delay(++xloops);
-}
-EXPORT_SYMBOL(__const_udelay);
-
-void __udelay(unsigned long usecs)
-{
- __const_udelay(usecs * 0x000010c7); /* 2**32 / 1000000 (rounded up) */
-}
-EXPORT_SYMBOL(__udelay);
-
-void __ndelay(unsigned long nsecs)
-{
- __const_udelay(nsecs * 0x00005); /* 2**32 / 1000000000 (rounded up) */
-}
-EXPORT_SYMBOL(__ndelay);