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-rw-r--r--arch/um/sys-i386/delay.c18
-rw-r--r--arch/um/sys-i386/ksyms.c5
2 files changed, 23 insertions, 0 deletions
diff --git a/arch/um/sys-i386/delay.c b/arch/um/sys-i386/delay.c
index 20d37dbbaf08..e9892eef51ce 100644
--- a/arch/um/sys-i386/delay.c
+++ b/arch/um/sys-i386/delay.c
@@ -1,3 +1,6 @@
+#include "linux/delay.h"
+#include "asm/param.h"
+
void __delay(unsigned long time)
{
/* Stolen from the i386 __loop_delay */
@@ -12,3 +15,18 @@ void __delay(unsigned long time)
:"0" (time));
}
+void __udelay(unsigned long usecs)
+{
+ int i, n;
+
+ n = (loops_per_jiffy * HZ * usecs) / MILLION;
+ for(i=0;i<n;i++) ;
+}
+
+void __const_udelay(unsigned long usecs)
+{
+ int i, n;
+
+ n = (loops_per_jiffy * HZ * usecs) / MILLION;
+ for(i=0;i<n;i++) ;
+}
diff --git a/arch/um/sys-i386/ksyms.c b/arch/um/sys-i386/ksyms.c
index b10bfdd26cd6..db524ab3f743 100644
--- a/arch/um/sys-i386/ksyms.c
+++ b/arch/um/sys-i386/ksyms.c
@@ -2,6 +2,7 @@
#include "linux/in6.h"
#include "linux/rwsem.h"
#include "asm/byteorder.h"
+#include "asm/delay.h"
#include "asm/semaphore.h"
#include "asm/uaccess.h"
#include "asm/checksum.h"
@@ -14,3 +15,7 @@ EXPORT_SYMBOL(__up_wakeup);
/* Networking helper routines. */
EXPORT_SYMBOL(csum_partial);
+
+/* delay core functions */
+EXPORT_SYMBOL(__const_udelay);
+EXPORT_SYMBOL(__udelay);