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path: root/drivers/rtc/rtc-rv3032.c
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2021-11-10rtc: rv3032: let the core handle the alarm resolutionAlexandre Belloni1-8/+1
Let the RTC core know the resolution of the alarm is a minute. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20211107225458.111068-3-alexandre.belloni@bootlin.com
2021-10-18rtc: rv3032: allow setting BSMAlexandre Belloni1-0/+76
Backup Switch Mode is currently set properly when the trickle charger is enabled. However, in the case of a non-rechargeable battery, it is necessary to be able to enable it, only allow that when the trickle charger is disabled. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20211018151933.76865-8-alexandre.belloni@bootlin.com
2021-10-15rtc: rv3032: fix error handling in rv3032_clkout_set_rate()Dan Carpenter1-2/+2
Do not call rv3032_exit_eerd() if the enter function fails but don't forget to call the exit when the enter succeeds. Fixes: 2eeaa532acca ("rtc: rv3032: Add a driver for Microcrystal RV-3032") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20211012101028.GT2083@kadam
2021-02-06rtc: rv3032: quiet maybe-unused variable warningAlexandre Belloni1-1/+1
When CONFIG_OF is disabled then the matching table is not referenced. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210202112219.3610853-17-alexandre.belloni@bootlin.com
2021-01-16rtc: rv3032: constify rv3032_rtc_opsAlexandre Belloni1-5/+6
Use RTC_FEATURE_ALARM to signal to the core whether alarms are available instead of changing the global struct rtc_class_ops, allowing to make it const. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210110231752.1418816-16-alexandre.belloni@bootlin.com
2020-11-19rtc: rework rtc_register_device() resource managementBartosz Golaszewski1-1/+1
rtc_register_device() is a managed interface but it doesn't use devres by itself - instead it marks an rtc_device as "registered" and the devres callback for devm_rtc_allocate_device() takes care of resource release. This doesn't correspond with the design behind devres where managed structures should not be aware of being managed. The correct solution here is to register a separate devres callback for unregistering the device. While at it: rename rtc_register_device() to devm_rtc_register_device() and add it to the list of managed interfaces in devres.rst. This way we can avoid any potential confusion of driver developers who may expect there to exist a corresponding unregister function. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20201109163409.24301-8-brgl@bgdev.pl
2020-11-19rtc: add devm_ prefix to rtc_nvmem_register()Bartosz Golaszewski1-2/+2
rtc_nvmem_register() is a managed interface. It doesn't require any release function to be called at driver detach. To avoid confusing driver authors, let's rename it to devm_rtc_nvmem_register() and add it to the list of managed interfaces in Documentation/. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20201109163409.24301-6-brgl@bgdev.pl
2020-11-15rtc: rv3032: fix nvram nvmem priv pointerAlexandre Belloni1-1/+1
The nvmem priv pointer is set to rv3032 but the rv3032_nvram_write and rv3032_nvram_read expect the regmap pointer. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20201108223710.1574331-1-alexandre.belloni@bootlin.com
2020-10-19rtc: rv3032: Add a driver for Microcrystal RV-3032Alexandre Belloni1-0/+925
New driver for the Microcrystal RV-3032, including support for: - Date/time - Alarms - Low voltage detection - Trickle charge - Trimming - Clkout - RAM - EEPROM - Temperature sensor Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20201013144110.1942218-3-alexandre.belloni@bootlin.com
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