The patch titled
rtc: small documentation update
has been added to the -mm tree. Its filename is
rtc-small-documentation-update.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: rtc: small documentation update
From: Jean Delvare <khali@xxxxxxxxxxxx>
Rtc driver documentation update
* Mention the max-user-freq control file.
* Add missing header in example code.
Signed-off-by: Jean Delvare <khali@xxxxxxxxxxxx>
Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
Documentation/rtc.txt | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff -puN Documentation/rtc.txt~rtc-small-documentation-update Documentation/rtc.txt
--- 25/Documentation/rtc.txt~rtc-small-documentation-update Wed May 31 16:11:55 2006
+++ 25-akpm/Documentation/rtc.txt Wed May 31 16:11:55 2006
@@ -44,8 +44,10 @@ normal timer interrupt, which is 100Hz.
Programming and/or enabling interrupt frequencies greater than 64Hz is
only allowed by root. This is perhaps a bit conservative, but we don't want
an evil user generating lots of IRQs on a slow 386sx-16, where it might have
-a negative impact on performance. Note that the interrupt handler is only
-a few lines of code to minimize any possibility of this effect.
+a negative impact on performance. This 64Hz limit can be changed by writing
+a different value to /proc/sys/dev/rtc/max-user-freq. Note that the
+interrupt handler is only a few lines of code to minimize any possibility
+of this effect.
Also, if the kernel time is synchronized with an external source, the
kernel will write the time back to the CMOS clock every 11 minutes. In
@@ -81,6 +83,7 @@ that will be using this driver.
*/
#include <stdio.h>
+#include <stdlib.h>
#include <linux/rtc.h>
#include <sys/ioctl.h>
#include <sys/time.h>
_
Patches currently in -mm which might be from khali@xxxxxxxxxxxx are
origin.patch
powerpc-fix-boot-on-emac.patch
git-dvb.patch
scx200_acb-use-pci-i-o-resource-when-appropriate.patch
scx200_acb-use-pci-i-o-resource-when-appropriate-fix.patch
i2c-pca954x-i2c-mux-driver.patch
i2c-mpc-fix-up-error-handling.patch
opencores-i2c-bus-driver.patch
i2c-pca954x-fix-initial-access-to-first-mux-switch-port.patch
drivers-acorn-char-pcf8583-vs-rtc-subsystem.patch
apple-motion-sensor-driver.patch
rtc-small-documentation-update.patch
-
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