linux-toradex.git/drivers/rtc/rtc-dev.c, branch toradex_vf_4.1-next

rtc: Update rtc-dev to use y2038-safe time interfaces

2015-01-24T01:21:56+00:00

Currently, rtc-dev.c uses y2038 problematic rtc_tm_to_time()
and rtc_time_to_tm(). So replace them with their corresponding
y2038-safe versions: rtc_tm_to_time64() and rtc_time64_to_tm().

Cc: pang.xunlei 
Cc: Arnd Bergmann 
Cc: Thomas Gleixner 
Cc: Ingo Molnar 
Signed-off-by: Xunlei Pang 
Signed-off-by: John Stultz

rtc: use dev_warn()/dev_dbg()/pr_err() instead of printk()

2013-02-22T01:22:29+00:00

Fix the checkpatch warning as below:

  WARNING: Prefer netdev_err(netdev, ... then dev_err(dev, ... then pr_err(...  to printk(KERN_ERR ...

Signed-off-by: Jingoo Han 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

drivers/rtc/rtc-dev.c: remove unused code from rtc-dev.c

2012-12-18T01:15:21+00:00

This code is under #if 0 and not used.

Signed-off-by: Sachin Kamat 
Cc: Alessandro Zummo 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

rtc: Fix ioctl error path return

2011-06-02T02:29:39+00:00

Bryan Henderson noticed that the  "RTC: Fix rtc driver ioctl specific
shortcutting" commit has a small bug: When an ioctl is called with an
invalid command code and the clock driver does not have an "ioctl"
method, the ioctl returns rc 0 instead of -ENOTTY.

This patch fixes the issue.

CC: Bryan Henderson 
CC: Gabor Z. Papp 
Reported-by: Bryan Henderson 
Signed-off-by: John Stultz

RTC: Re-enable UIE timer/polling emulation

2011-02-17T22:59:42+00:00

This patch re-enables UIE timer/polling emulation for rtc devices
that do not support alarm irqs.

CC: Uwe Kleine-König 
CC: Thomas Gleixner 
Reported-by: Uwe Kleine-König 
Tested-by: Uwe Kleine-König 
Signed-off-by: John Stultz

RTC: Revert UIE emulation removal

2011-02-17T22:59:41+00:00

Uwe pointed out that my alarm based UIE emulation is not sufficient
to replace the older timer/polling based UIE emulation on devices
where there is no alarm irq. This causes rtc devices without alarms
to return -EINVAL to UIE ioctls. The fix is to re-instate the old
timer/polling method for devices without alarm irqs.

This patch reverts the following commits:
042620a018afcfba1d678062b62e46 - Remove UIE emulation
1daeddd5962acad1bea55e524fc0fa - Cleanup removed UIE emulation declaration
b5cc8ca1c9c3a37eaddf709b2fd3e1 - Remove Kconfig symbol for UIE emulation

The emulation mode will still need to be wired-in with a following
patch before it will work.

CC: Uwe Kleine-König 
CC: Thomas Gleixner 
Reported-by: Uwe Kleine-König 
Signed-off-by: John Stultz

RTC: Fix rtc driver ioctl specific shortcutting

2011-02-03T21:02:18+00:00

Some RTC drivers enable functionality directly via their ioctl method
instead of using the generic ioctl handling code. With the recent
virtualization of the RTC layer, its now important that the generic
layer always be used.

This patch moved the rtc driver ioctl method call to after the generic
ioctl processing is done. This allows hardware specific features or
ioctls to still function, while relying on the generic code for handling
everything else.

This patch on its own may more obviously break rtc drivers that
implement the alarm irq enablement via their ioctl method instead of
implementing the alarm_irq_eanble method. Those drivers will be fixed
in a following patch. Additionaly, those drivers are already likely to
not be functioning reliably without this patch.

CC: Alessandro Zummo 
CC: Marcelo Roberto Jimenez 
CC: Thomas Gleixner 
Reported-by: Marcelo Roberto Jimenez 
Tested-by: Marcelo Roberto Jimenez 
Signed-off-by: John Stultz

RTC: Remove UIE emulation

2010-12-11T06:24:25+00:00

Since we provide UIE interrupts via a rtc_timer, the old
emulation code can be removed.

Signed-off-by: John Stultz 
LKML Reference: <1290136329-18291-5-git-send-email-john.stultz@linaro.org>
Acked-by: Alessandro Zummo 
Reviewed-by: Thomas Gleixner 
CC: Alessandro Zummo 
CC: Thomas Gleixner 
CC: Richard Cochran

headers: remove sched.h from interrupt.h

2009-10-11T18:20:58+00:00

After m68k's task_thread_info() doesn't refer to current,
it's possible to remove sched.h from interrupt.h and not break m68k!
Many thanks to Heiko Carstens for allowing this.

Signed-off-by: Alexey Dobriyan

rtc: make rtc_update_irq callable with irqs enabled

2009-06-19T23:46:05+00:00

The rtc_update_irq() might be called with irqs enabled, if a interrupt
handler was registered without IRQF_DISABLED.  Use
spin_lock_irqsave/spin_unlock_irqrestore instead of spin_lock/spin_unlock.

Also update kerneldoc and drivers which do extra work to follow the
current interface spec, as suggestted by David Brownell.

Signed-off-by: Atsushi Nemoto 
Cc: Alessandro Zummo 
Cc: David Brownell 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds