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The RTC core is always calling rtc_valid_tm after the read_time callback.
It is not necessary to call it just before returning from the callback.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Instead of adding a binary sysfs attribute from the driver (which suffers
from a race condition as the attribute appears after the device), use the
core to register an nvmem device.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
A documented ABI already exists to get information about the alarm. It is
the only one that is used.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Since commit d68778b80d ("rtc: initialize output parameter for read
alarm to "uninitialized"") there is no need to explicitly set
unsupported members to -1. So drop the respective assignments from
drivers.
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Many drivers are defining a DRV_VERSION. This is often only used for
MODULE_VERSION and sometimes to print an info message at probe time. This
is kind of pointless as they are all versionned with the kernel anyway.
Also the core will print a message when a new rtc is found.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Core:
- Fix rtctest error path
New drivers:
- Microcrystal RV8803
Subsystem wide cleanups:
- remove misuse of IRQF_NO_SUSPEND flag
Drivers:
- at91rm9200: clear RTC alarm status flag prior to suspending
- davinci: remove incorrect reference to probe function
- ds1307: Fix alarm programming for mcp794xx
- ds1390: trickle charger support, fix ds1390_get_reg
- isl1208: Pass the IRQF_ONESHOT flag
- opal: fix type of token
- pcf2127: fix RTC_READ_VL, remove useless driver version
- pcf85063: return an error when date is invalid
- pcf8563: add CLKOUT to common clock framework
- rx8025: remove unnecessary braces
- s3c: Set year, month, day value for setting alarm
- stmp3xxx: unify register access macros
- License fixes: pcf2127, da9063
- wakeup-source support for isl12057 and opal
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Merge tag 'rtc-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Core:
- Fix rtctest error path
New drivers:
- Microcrystal RV8803
Subsystem wide cleanups:
- remove misuse of IRQF_NO_SUSPEND flag
Drivers:
- at91rm9200: clear RTC alarm status flag prior to suspending
- davinci: remove incorrect reference to probe function
- ds1307: Fix alarm programming for mcp794xx
- ds1390: trickle charger support, fix ds1390_get_reg
- isl1208: Pass the IRQF_ONESHOT flag
- opal: fix type of token
- pcf2127: fix RTC_READ_VL, remove useless driver version
- pcf85063: return an error when date is invalid
- pcf8563: add CLKOUT to common clock framework
- rx8025: remove unnecessary braces
- s3c: Set year, month, day value for setting alarm
- stmp3xxx: unify register access macros
- License fixes: pcf2127, da9063
- wakeup-source support for isl12057 and opal"
* tag 'rtc-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (23 commits)
rtc: Add a driver for Micro Crystal RV8803
rtc: s3c: Set year, month, day value for setting alarm
rtc: ds1307: Fix alarm programming for mcp794xx
rtc: isl12057: enable support for the standard "wakeup-source" property
rtc: opal: enable support for the stardard "wakeup-source" property
rtc: isl1208: Pass the IRQF_ONESHOT flag
rtc: pcf8563: add CLKOUT to common clock framework
rtc: davinci: remove incorrect reference to probe function
rtc: at91rm9200: clear RTC alarm status flag prior to suspending
rtc: pcf2127: remove useless driver version
rtc: pcf2127: fix reading uninitialized value on RTC_READ_VL ioctl
rtc: stmp3xxx: unify register access macros
rtc: da9063: GPL copyright inconsistency fix
rtc: pcf85063: return an error when date is invalid
rtc: rx8025: remove unnecessary braces
rtc: ds1343: remove misuse of IRQF_NO_SUSPEND flag
rtc: ab8500: remove misuse of IRQF_NO_SUSPEND flag
rtc: pl031: remove misuse of IRQF_NO_SUSPEND flag
rtc: opal: fix type of token
rtc: ds1390: Add trickle charger device tree binding
...
The IRQF_NO_SUSPEND flag is used to identify the interrupts that should
be left enabled so as to allow them to work as expected during the
suspend-resume cycle, but doesn't guarantee that it will wake the system
from a suspended state, enable_irq_wake is recommended to be used for
the wakeup.
This patch removes the use of IRQF_NO_SUSPEND flags and uses newly
introduce PM wakeup APIs dev_pm_{set,clear}_wake_irq.
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: rtc-linux@googlegroups.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
An spi_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
The change removes redundant sysfs binary file boundary checks, since
this task is already done on caller side in fs/sysfs/file.c
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This is a patch to add support of nvram for maxim dallas rtc ds1343.
Signed-off-by: Raghavendra Chandra Ganiga <ravi23ganiga@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Avoid the potential race condition by avoiding bailing out of driver in
probe after registering with rtc subsystem
Also the set_alarm , read_alarm and alarm_irq_enable returns error if irq
registration fails in probe.
Also the sysfs will not create entry for alarm if irq registration fails
in probe.
Signed-off-by: Raghavendra Chandra Ganiga <ravi23ganiga@gmail.com>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
