linux-toradex.git/drivers/rtc/rtc-sysfs.c, branch v2.6.23.12

rtc: remove rest of class_device

2007-05-08T18:15:18+00:00

Finish converting the RTC framework so it no longer uses class_device.

Signed-off-by: David Brownell 
Acked-by: Greg Kroah-Hartman 
Acked-By: Alessandro Zummo 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

rtc: simplified rtc sysfs attribute handling

2007-05-08T18:15:18+00:00

This simplifies the RTC sysfs support by removing the class_interface that
hooks it into the rtc core.  If it's configured, then sysfs support is now
part of the RTC core, and is never a separate module.

It's another step towards being able to remove "struct class_device".

Signed-off-by: David Brownell 
Acked-by: Greg Kroah-Hartman 
Acked-By: Alessandro Zummo 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

rtc: rtc interfaces don't use class_device

2007-05-08T18:15:18+00:00

This patch removes class_device from the programming interface that the RTC
framework exposes to the rest of the kernel.  Now an rtc_device is passed,
which is more type-safe and streamlines all the relevant code.

Signed-off-by: David Brownell 
Acked-by: Greg Kroah-Hartman 
Acked-By: Alessandro Zummo 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[PATCH] RTC gets sysfs wakealarm attribute

2007-02-12T17:48:31+00:00

This adds a new "wakealarm" sysfs attribute to RTC class devices which support
alarm operations and are wakeup-capable:

 - It reads as either empty, or the scheduled alarm time as seconds
   since the POSIX epoch.  (That time may already have passed, since
   nothing currently enforces one-shot alarm semantics.)

 - It can be written with an alarm time in the future, again seconds
   since the POSIX epoch, which enables the alarm.

 - It can be written with an alarm time not in the future (such as 0,
   the start of the POSIX epoch) to disable the alarm.

Usage examples (some need GNU date) after "cd /sys/class/rtc/rtcN":

    alarm after 10 minutes:
	# echo $(( $(cat since_epoch) + 10 * 60 )) > wakealarm
    alarm tuesday evening 10pm:
	# date -d '10pm tuesday' "+%s" > wakealarm
    disable alarm:
    	# echo 0 > wakealarm

This resembles the /proc/acpi/alarm file in that nothing happens when the
alarm triggers ...  except possibly waking the system from sleep.  It's also
like that in a nasty way: not much can be done to prevent one task from
clobbering another task's alarm settings.

It differs from that file in that there's no in-kernel date parser.

Note that a few RTCs ignore rtc_wkalrm.enabled when setting alarms, or aren't
set up correctly, so they won't yet behave with this attribute.

Signed-off-by: David Brownell 
Acked-by: Pavel Machek 
Cc: Alessandro Zummo 
Cc: Greg KH 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[PATCH] remove __devinit markings from rtc_sysfs_add_device()

2007-01-26T21:51:00+00:00

rtc_sysfs_add_device is needed even after dev initialization, so drop __devinit.

Signed-off-by: Mike Frysinger 
Acked-by: Alessandro Zummo 
Cc: 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[PATCH] rtc: remove syslog spam on registration

2006-12-13T17:05:52+00:00

This removes some syslog spam as RTC drivers register; debug messages
shouldn't come out at "info" level.

Signed-off-by: David Brownell 
Acked-by: Alessandro Zummo 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[PATCH] rtc-sysfs fix

2006-10-01T17:39:01+00:00

It's not clear how this thinko got through..

Cc: Olaf Hering 
Cc: David Brownell 
Cc: Alessandro Zummo 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[PATCH] RTC class uses subsys_init

2006-10-01T07:39:25+00:00

This makes RTC core components use "subsys_init" instead of "module_init", as
appropriate for subsystem infrastructure.  This is mostly useful for
statically linking drivers in other parts of the tree that may provide an RTC
interface as a secondary functionality (e.g.  part of a multifunction chip);
they won't need to worry so much about drivers/Makefile link order.

Signed-off-by: David Brownell 
Cc: Alessandro Zummo 
Acked-by: Oleg Verych 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[PATCH] RTC subsystem: sysfs interface

2006-03-27T16:44:51+00:00

This patch adds the sysfs interface to the RTC subsystem.

Each RTC client will have his own entry under /sys/classs/rtc/rtcN .

Within this entry some attributes are exported by the subsystem, like date and
time.

Signed-off-by: Alessandro Zummo 
Acked-by: Greg Kroah-Hartman 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds