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A port of the existing x1205 driver under the new RTC subsystem.
It is actually under test within the NSLU2 project
(http://www.nslu2-linux.org) and it is working quite well.
It is the first driver under this new subsystem and should be used as a guide
to port other drivers.
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add the dev interface to the RTC subsystem.
Each RTC will be available under /dev/rtcX . A symlink from /dev/rtc0 to
/dev/rtc cab be obtained with the following udev rule:
KERNEL=="rtc0", SYMLINK+="rtc"
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add the proc interface to the RTC subsystem.
The first RTC driver which registers with the class will be accessible by
/proc/driver/rtc .
This is required for compatibility with the standard RTC driver and to avoid
breaking any user space application which may erroneusly rely on this.
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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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 <a.zummo@towertech.it>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add the basic RTC subsystem infrastructure to the kernel.
rtc/class.c - registration facilities for RTC drivers
rtc/interface.c - kernel/rtc interface functions
rtc/hctosys.c - snippet of code that copies hw clock to sw clock
at bootup, if configured to do so.
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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RTC and date/time related functions.
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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