patch-2.4.0-test9 linux/include/linux/timex.h
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- Lines: 33
- Date:
Mon Oct 2 11:01:17 2000
- Orig file:
v2.4.0-test8/linux/include/linux/timex.h
- Orig date:
Fri Sep 8 12:52:41 2000
diff -u --recursive --new-file v2.4.0-test8/linux/include/linux/timex.h linux/include/linux/timex.h
@@ -51,6 +51,8 @@
#ifndef _LINUX_TIMEX_H
#define _LINUX_TIMEX_H
+#include <asm/param.h>
+
/*
* The following defines establish the engineering parameters of the PLL
* model. The HZ variable establishes the timer interrupt frequency, 100 Hz
@@ -58,10 +60,20 @@
* OSF/1 kernel. The SHIFT_HZ define expresses the same value as the
* nearest power of two in order to avoid hardware multiply operations.
*/
-#ifdef __alpha__
-# define SHIFT_HZ 10 /* log2(HZ) */
+#if HZ >= 24 && HZ < 48
+# define SHIFT_HZ 5
+#elif HZ >= 48 && HZ < 96
+# define SHIFT_HZ 6
+#elif HZ >= 96 && HZ < 192
+# define SHIFT_HZ 7
+#elif HZ >= 192 && HZ < 384
+# define SHIFT_HZ 8
+#elif HZ >= 384 && HZ < 768
+# define SHIFT_HZ 9
+#elif HZ >= 768 && HZ < 1536
+# define SHIFT_HZ 10
#else
-# define SHIFT_HZ 7 /* log2(HZ) */
+# error You lose.
#endif
/*
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)