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-rw-r--r--kernel/arch/s390/include/asm/delay.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/kernel/arch/s390/include/asm/delay.h b/kernel/arch/s390/include/asm/delay.h
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index 000000000..3f6e4095f
--- /dev/null
+++ b/kernel/arch/s390/include/asm/delay.h
@@ -0,0 +1,24 @@
+/*
+ * S390 version
+ * Copyright IBM Corp. 1999
+ * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
+ *
+ * Derived from "include/asm-i386/delay.h"
+ * Copyright (C) 1993 Linus Torvalds
+ *
+ * Delay routines calling functions in arch/s390/lib/delay.c
+ */
+
+#ifndef _S390_DELAY_H
+#define _S390_DELAY_H
+
+void __ndelay(unsigned long long nsecs);
+void __udelay(unsigned long long usecs);
+void udelay_simple(unsigned long long usecs);
+void __delay(unsigned long loops);
+
+#define ndelay(n) __ndelay((unsigned long long) (n))
+#define udelay(n) __udelay((unsigned long long) (n))
+#define mdelay(n) __udelay((unsigned long long) (n) * 1000)
+
+#endif /* defined(_S390_DELAY_H) */