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-rw-r--r--lib/Kconfig.debug2
-rw-r--r--lib/Makefile5
-rw-r--r--lib/div64.c22
-rw-r--r--lib/kobject_uevent.c2
-rw-r--r--lib/string.c28
5 files changed, 54 insertions, 5 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 3f3e7403dcac..79afd00bbe5f 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -261,7 +261,7 @@ config LOCKDEP
261 bool 261 bool
262 depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT 262 depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
263 select STACKTRACE 263 select STACKTRACE
264 select FRAME_POINTER if !X86 264 select FRAME_POINTER if !X86 && !MIPS
265 select KALLSYMS 265 select KALLSYMS
266 select KALLSYMS_ALL 266 select KALLSYMS_ALL
267 267
diff --git a/lib/Makefile b/lib/Makefile
index 992a39ef9ffd..ae57f357fec0 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -4,7 +4,7 @@
4 4
5lib-y := ctype.o string.o vsprintf.o cmdline.o \ 5lib-y := ctype.o string.o vsprintf.o cmdline.o \
6 rbtree.o radix-tree.o dump_stack.o \ 6 rbtree.o radix-tree.o dump_stack.o \
7 idr.o div64.o int_sqrt.o bitmap.o extable.o prio_tree.o \ 7 idr.o int_sqrt.o bitmap.o extable.o prio_tree.o \
8 sha1.o irq_regs.o reciprocal_div.o 8 sha1.o irq_regs.o reciprocal_div.o
9 9
10lib-$(CONFIG_MMU) += ioremap.o 10lib-$(CONFIG_MMU) += ioremap.o
@@ -12,7 +12,8 @@ lib-$(CONFIG_SMP) += cpumask.o
12 12
13lib-y += kobject.o kref.o kobject_uevent.o klist.o 13lib-y += kobject.o kref.o kobject_uevent.o klist.o
14 14
15obj-y += sort.o parser.o halfmd4.o debug_locks.o random32.o bust_spinlocks.o 15obj-y += div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
16 bust_spinlocks.o
16 17
17ifeq ($(CONFIG_DEBUG_KOBJECT),y) 18ifeq ($(CONFIG_DEBUG_KOBJECT),y)
18CFLAGS_kobject.o += -DDEBUG 19CFLAGS_kobject.o += -DDEBUG
diff --git a/lib/div64.c b/lib/div64.c
index 365719f84832..b71cf93c529a 100644
--- a/lib/div64.c
+++ b/lib/div64.c
@@ -23,7 +23,7 @@
23/* Not needed on 64bit architectures */ 23/* Not needed on 64bit architectures */
24#if BITS_PER_LONG == 32 24#if BITS_PER_LONG == 32
25 25
26uint32_t __div64_32(uint64_t *n, uint32_t base) 26uint32_t __attribute__((weak)) __div64_32(uint64_t *n, uint32_t base)
27{ 27{
28 uint64_t rem = *n; 28 uint64_t rem = *n;
29 uint64_t b = base; 29 uint64_t b = base;
@@ -58,4 +58,24 @@ uint32_t __div64_32(uint64_t *n, uint32_t base)
58 58
59EXPORT_SYMBOL(__div64_32); 59EXPORT_SYMBOL(__div64_32);
60 60
61/* 64bit divisor, dividend and result. dynamic precision */
62uint64_t div64_64(uint64_t dividend, uint64_t divisor)
63{
64 uint32_t high, d;
65
66 high = divisor >> 32;
67 if (high) {
68 unsigned int shift = fls(high);
69
70 d = divisor >> shift;
71 dividend >>= shift;
72 } else
73 d = divisor;
74
75 do_div(dividend, d);
76
77 return dividend;
78}
79EXPORT_SYMBOL(div64_64);
80
61#endif /* BITS_PER_LONG == 32 */ 81#endif /* BITS_PER_LONG == 32 */
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 84272ed77f03..82fc1794b691 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -293,7 +293,7 @@ EXPORT_SYMBOL_GPL(add_uevent_var);
293static int __init kobject_uevent_init(void) 293static int __init kobject_uevent_init(void)
294{ 294{
295 uevent_sock = netlink_kernel_create(NETLINK_KOBJECT_UEVENT, 1, NULL, 295 uevent_sock = netlink_kernel_create(NETLINK_KOBJECT_UEVENT, 1, NULL,
296 THIS_MODULE); 296 NULL, THIS_MODULE);
297 297
298 if (!uevent_sock) { 298 if (!uevent_sock) {
299 printk(KERN_ERR 299 printk(KERN_ERR
diff --git a/lib/string.c b/lib/string.c
index bab440fb0dfc..5efafed3d6b6 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -60,6 +60,34 @@ int strnicmp(const char *s1, const char *s2, size_t len)
60EXPORT_SYMBOL(strnicmp); 60EXPORT_SYMBOL(strnicmp);
61#endif 61#endif
62 62
63#ifndef __HAVE_ARCH_STRCASECMP
64int strcasecmp(const char *s1, const char *s2)
65{
66 int c1, c2;
67
68 do {
69 c1 = tolower(*s1++);
70 c2 = tolower(*s2++);
71 } while (c1 == c2 && c1 != 0);
72 return c1 - c2;
73}
74EXPORT_SYMBOL(strcasecmp);
75#endif
76
77#ifndef __HAVE_ARCH_STRNCASECMP
78int strncasecmp(const char *s1, const char *s2, size_t n)
79{
80 int c1, c2;
81
82 do {
83 c1 = tolower(*s1++);
84 c2 = tolower(*s2++);
85 } while ((--n > 0) && c1 == c2 && c1 != 0);
86 return c1 - c2;
87}
88EXPORT_SYMBOL(strncasecmp);
89#endif
90
63#ifndef __HAVE_ARCH_STRCPY 91#ifndef __HAVE_ARCH_STRCPY
64/** 92/**
65 * strcpy - Copy a %NUL terminated string 93 * strcpy - Copy a %NUL terminated string