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-rw-r--r--arch/x86/kernel/mfgpt_32.c27
1 files changed, 13 insertions, 14 deletions
diff --git a/arch/x86/kernel/mfgpt_32.c b/arch/x86/kernel/mfgpt_32.c
index 9146b2de1698..586228140b9e 100644
--- a/arch/x86/kernel/mfgpt_32.c
+++ b/arch/x86/kernel/mfgpt_32.c
@@ -12,21 +12,20 @@
12 */ 12 */
13 13
14/* 14/*
15 * We are using the 32Khz input clock - its the only one that has the 15 * We are using the 32.768kHz input clock - it's the only one that has the
16 * ranges we find desirable. The following table lists the suitable 16 * ranges we find desirable. The following table lists the suitable
17 * divisors and the associated hz, minimum interval 17 * divisors and the associated Hz, minimum interval and the maximum interval:
18 * and the maximum interval:
19 * 18 *
20 * Divisor Hz Min Delta (S) Max Delta (S) 19 * Divisor Hz Min Delta (s) Max Delta (s)
21 * 1 32000 .0005 2.048 20 * 1 32768 .00048828125 2.000
22 * 2 16000 .001 4.096 21 * 2 16384 .0009765625 4.000
23 * 4 8000 .002 8.192 22 * 4 8192 .001953125 8.000
24 * 8 4000 .004 16.384 23 * 8 4096 .00390625 16.000
25 * 16 2000 .008 32.768 24 * 16 2048 .0078125 32.000
26 * 32 1000 .016 65.536 25 * 32 1024 .015625 64.000
27 * 64 500 .032 131.072 26 * 64 512 .03125 128.000
28 * 128 250 .064 262.144 27 * 128 256 .0625 256.000
29 * 256 125 .128 524.288 28 * 256 128 .125 512.000
30 */ 29 */
31 30
32#include <linux/kernel.h> 31#include <linux/kernel.h>
@@ -45,7 +44,7 @@ static struct mfgpt_timer_t {
45 44
46#define MFGPT_DIVISOR 16 45#define MFGPT_DIVISOR 16
47#define MFGPT_SCALE 4 /* divisor = 2^(scale) */ 46#define MFGPT_SCALE 4 /* divisor = 2^(scale) */
48#define MFGPT_HZ (32000 / MFGPT_DIVISOR) 47#define MFGPT_HZ (32768 / MFGPT_DIVISOR)
49#define MFGPT_PERIODIC (MFGPT_HZ / HZ) 48#define MFGPT_PERIODIC (MFGPT_HZ / HZ)
50 49
51#ifdef CONFIG_GEODE_MFGPT_TIMER 50#ifdef CONFIG_GEODE_MFGPT_TIMER