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5 Commits

Author SHA1 Message Date
Alexandre Belloni
ded676666f rtc: brcmstb-waketimer: add range 
Let the core handle the range.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
 2018-05-21 22:33:52 +02:00
Alexandre Belloni
2abf286a20 rtc: brcmstb-waketimer: switch to rtc_register_device 
Switch to devm_rtc_allocate_device/rtc_register_device.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
 2018-05-21 22:33:50 +02:00
Justin Chen
58d3d5e79e rtc: brcmstb-waketimer: Set wktmr prescaler 
The HW default is one tick per second, however instead of assuming this,
lets make sure the waketimer is actually one tick per second before
arming the alarm.

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
 2018-03-17 14:20:51 +01:00
Alexey Khoroshilov
f2eef045de rtc: brcmstb-waketimer: fix error handling in brcmstb_waketmr_probe() 
brcmstb_waketmr_probe() does not disable timer->clk on error paths.

Found by Linux Driver Verification project (linuxtesting.org).

Fixes: c4f07ecee2 ("rtc: brcmstb-waketimer: Add Broadcom STB wake-timer")
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
 2017-11-29 22:11:13 +01:00
Brian Norris
c4f07ecee2 rtc: brcmstb-waketimer: Add Broadcom STB wake-timer 
This adds support for the Broadcom STB wake-timer which is a timer in
the chip's 27Mhz clock domain that offers the ability to wake the system
(wake-up source) from suspend states (S2, S3, S5). It is supported using
the rtc framework allowing us to configure alarms for system wake-up.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
 2017-07-05 23:11:59 +02:00