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Move the userspace interface of android_alarm.h to
drivers/staging/android/uapi/android_alarm.h
Change-Id: Ieb96e8e9bf742786efc4e248e6a242dab8199ca3
Signed-off-by: Colin Cross <ccross@android.com>
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Implement compat_ioctl support for the alarm-dev ioctl.
Cc: Serban Constantinescu <serban.constantinescu@arm.com>
Cc: Arve Hjønnevåg <arve@android.com>
Cc: Colin Cross <ccross@google.com>
Cc: Android Kernel Team <kernel-team@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 6bd4a5d96c08dc2380f8053b1bd4f879f55cd3c9 changed the
ANDROID_ALARM_GET_TIME ioctls from IOW to IOR. While technically
correct, the _IOC_DIR bits are ignored by alarm_ioctl, so the
commit breaks a userspace ABI used by all existing Android devices
for a purely cosmetic reason. Revert it.
Cc: stable <stable@vger.kernel.org>
Cc: Dae S. Kim <dae@velatum.com>
Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixed a bug. Data was being written to user space using an IOCTL
command encoded with _IOC_WRITE access mode.
Signed-off-by: Dae S. Kim <dae@velatum.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now that alarm-dev.c uses the upstreamed alarmtimer interfaces,
we can remove the otherwise unused in-kernel android alarm api.
CC: Colin Cross <ccross@android.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Android Kernel Team <kernel-team@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The ALARM_ELAPSED_REALTIME clock domain in Android pointed
to the need for something similar in linux system-wide
(instead of limited to just the alarm interface).
Thus CLOCK_BOOTTIME was introduced into the upstream kernel
in 2.6.39.
This patch attempts to convert the android alarm timer to utilize
the kernel's CLOCK_BOOTTIME clockid for ALARM_ELAPSED_REALTIME,
instead of managing it itself.
CC: Colin Cross <ccross@android.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Android Kernel Team <kernel-team@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix spelling typo in comments within android drivers.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Older out of tree drivers that were desgined to the Android Alarm
in-kernel API may not build due to the namespace collision fixed in
an earlier patch. Per Arve's suggestion, this patch provides
preprocessor macros that allow older drivers to build.
CC: Arve Hjønnevåg <arve@android.com>
CC: Android Kernel Team <kernel-team@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The upstreamed alarmtimers are similar but not quite 100% API
compatibile with the android in-kernel alarm api. To aid the
transition, prefix the the android in-kernel api with android_
CC: Arve Hjønnevåg <arve@android.com>
CC: Android Kernel Team <kernel-team@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Drivers can now create alarms that will use an hrtimer while the
system is running and the rtc to wake up from suspend.
CC: Arve Hjønnevåg <arve@android.com>
CC: Android Kernel Team <kernel-team@android.com>
Signed-off-by: Arve Hjønnevåg <arve@android.com>
[Fold and move alarm driver and interface to staging,
fix whitespace issue, drop kconfig & make file changes
as it currently doesn't build -jstultz]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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