lkml.org 
[lkml]   [2005]   [Aug]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH] fix hpet drift and url
From
Date

The HPET driver is using a parts per second drift factor instead of
the standard parts per million drift the time interpolator code expects.
This patch fixes that problem and updates the URL for the HPET spec.

Signed-off-by: Alex Williamson <alex.williamson@hp.com>

diff -r 38ae29531c91 drivers/char/hpet.c
--- a/drivers/char/hpet.c Tue Aug 30 05:51:28 2005
+++ b/drivers/char/hpet.c Tue Aug 30 11:21:46 2005
@@ -44,7 +44,7 @@
/*
* The High Precision Event Timer driver.
* This driver is closely modelled after the rtc.c driver.
- * http://www.intel.com/labs/platcomp/hpet/hpetspec.htm
+ * http://www.intel.com/hardwaredesign/hpetspec.htm
*/
#define HPET_USER_FREQ (64)
#define HPET_DRIFT (500)
@@ -712,7 +712,7 @@
ti->shift = 10;
ti->addr = &hpetp->hp_hpet->hpet_mc;
ti->frequency = hpet_time_div(hpets->hp_period);
- ti->drift = ti->frequency * HPET_DRIFT / 1000000;
+ ti->drift = HPET_DRIFT;
ti->mask = -1;

hpetp->hp_interpolator = ti;

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-08-30 19:42    [W:0.067 / U:7.128 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site