linux-toradex.git/drivers/rtc/rtc-jz4740.c, branch v5.3-rc1

rtc: jz4740: convert to SPDX identifier

2019-04-30T09:50:24+00:00

Use SPDX-License-Identifier instead of a verbose license text.

Tested-by: Mathieu Malaterre 
Signed-off-by: Alexandre Belloni

rtc: jz4740: rework invalid time detection

2019-04-30T09:50:22+00:00

The scratchpad register is used to detect an invalid time when power to the
RTC has been lost. Instead of deleting that precious information and set
the time to the UNIX epoch, forward it to userspace.

Tested-by: Mathieu Malaterre 
Signed-off-by: Alexandre Belloni

rtc: jz4740: use dev_pm_set_wake_irq() to simplify code

2019-04-30T09:50:20+00:00

Use dev_pm_set_wake_irq() to set the RTC as a wakeup source for suspend.
This allows to remove the whole dev_pm_ops structure.

Tested-by: Mathieu Malaterre 
Signed-off-by: Alexandre Belloni

rtc: jz4740: use .set_time

2019-04-30T09:50:18+00:00

Use .set_time instead of the deprecated .set_mmss.

Tested-by: Mathieu Malaterre 
Signed-off-by: Alexandre Belloni

rtc: jz4740: remove useless check

2019-04-30T09:50:17+00:00

rtc_time64_to_tm always returns a valid tm, it is not necessary to validate
it.

Tested-by: Mathieu Malaterre 
Signed-off-by: Alexandre Belloni

rtc: jz4740: switch to rtc_time64_to_tm/rtc_tm_to_time64

2019-04-30T09:50:13+00:00

Call the 64bit versions of rtc_tm time conversion now that the range is
enforced by the core.

Tested-by: Mathieu Malaterre 
Signed-off-by: Alexandre Belloni

rtc: jz4740: set range

2019-04-30T09:50:11+00:00

RTC_SEC is a 32-bit seconds counter.

Tested-by: Mathieu Malaterre 
Signed-off-by: Alexandre Belloni

rtc: stop validating rtc_time after rtc_time_to_tm

2018-03-01T09:49:41+00:00

rtc_time_to_tm never generates an invalid tm. It is not necessary to
validate it.

Signed-off-by: Alexandre Belloni

rtc: jz4740: fix loading of rtc driver

2017-10-12T12:28:14+00:00

The current timeout for waiting for WRDY is not always sufficient. Always
increase it to 10000 even on JZ4740. This is technically only required on
JZ4780, where the current symptoms seen after a hard reboot are:

  jz4740-rtc 10003000.rtc: rtc core: registered 10003000.rtc as rtc0
  jz4740-rtc 10003000.rtc: Could not write to RTC registers
  jz4740-rtc: probe of 10003000.rtc failed with error -5

Suggested-by: Alex Smith 
Cc: Zubair Lutfullah Kakakhel 
Signed-off-by: Mathieu Malaterre 
Signed-off-by: Alexandre Belloni

rtc: jz4740: remove duplicate 'write' in message

2017-10-12T12:16:11+00:00

Trivial fix in error message with duplicate 'write'

Signed-off-by: Mathieu Malaterre 
Signed-off-by: Alexandre Belloni