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2021-02-06rtc: s3c: stop setting bogus timeAlexandre Belloni1-15/+0
It doesn't make sense to set the RTC to a default value at probe time. Let the core handle invalid date and time. Also, this is basically dead code since commit 22652ba72453 ("rtc: stop validating rtc_time in .read_time") Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20210202112934.3612726-1-alexandre.belloni@bootlin.com
2021-02-06rtc: sd3078: 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/20210202112219.3610853-22-alexandre.belloni@bootlin.com
2021-02-06rtc: s35390a: 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/20210202112219.3610853-21-alexandre.belloni@bootlin.com
2021-02-06rtc: rx8581: 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/20210202112219.3610853-20-alexandre.belloni@bootlin.com
2021-02-06rtc: rx8010: 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/20210202112219.3610853-19-alexandre.belloni@bootlin.com
2021-02-06rtc: rv8803: 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/20210202112219.3610853-18-alexandre.belloni@bootlin.com
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
2021-02-06rtc: rv3029: 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/20210202112219.3610853-16-alexandre.belloni@bootlin.com
2021-02-06rtc: rv3028: 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/20210202112219.3610853-15-alexandre.belloni@bootlin.com
2021-02-06rtc: rs5c372: 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/20210202112219.3610853-14-alexandre.belloni@bootlin.com
2021-02-06rtc: pcf85363: 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/20210202112219.3610853-13-alexandre.belloni@bootlin.com
2021-02-06rtc: pcf85063: quiet maybe-unused variable warningsAlexandre Belloni1-19/+19
pcf85063a_config and rv8263_config are only referenced by pcf85063_of_match, move them in the #ifdef CONFIG_OF section. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210202112219.3610853-12-alexandre.belloni@bootlin.com
2021-02-06rtc: meson: 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> Acked-by: Kevin Hilman <khilman@baylibre.com> Link: https://lore.kernel.org/r/20210202112219.3610853-11-alexandre.belloni@bootlin.com
2021-02-06rtc: m41t80: 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/20210202112219.3610853-10-alexandre.belloni@bootlin.com
2021-02-06rtc: isl1208: 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/20210202112219.3610853-9-alexandre.belloni@bootlin.com
2021-02-06rtc: ds3232: 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/20210202112219.3610853-8-alexandre.belloni@bootlin.com
2021-02-06rtc: ds1672: 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/20210202112219.3610853-7-alexandre.belloni@bootlin.com
2021-02-06rtc: digicolor: 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> Acked-by: Baruch Siach <baruch@tkos.co.il> Link: https://lore.kernel.org/r/20210202112219.3610853-6-alexandre.belloni@bootlin.com
2021-02-06rtc: brcmstb-waketimer: 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> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20210202112219.3610853-5-alexandre.belloni@bootlin.com
2021-02-06rtc: bq32k: 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/20210202112219.3610853-4-alexandre.belloni@bootlin.com
2021-02-06rtc: armada38x: depend on OFAlexandre Belloni1-0/+1
The driver will compile with warning without OF because armada38x_data and armada8k_data will be defined but not used. It would be possible to move then in the #ifdef CONFIG_OF section but then their members will be defined but not used. Instead of moving most of the driver in the #ifdef, simply depend on OF. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210202112219.3610853-3-alexandre.belloni@bootlin.com
2021-02-06rtc: class: remove bogus documentationAlexandre Belloni1-5/+0
rtc_device_unregister is gone since commit fdcfd854333b ("rtc: rework rtc_register_device() resource management"). Remove its documentation. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210202112219.3610853-2-alexandre.belloni@bootlin.com
2021-02-06rtc: rv3028: remove useless warning messagesAlexandre Belloni1-9/+1
Remove voltage low messages as userspace has a proper way to get the information and react on it. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210126221435.2152339-2-alexandre.belloni@bootlin.com
2021-02-06rtc: rv3028: fix PORF handlingAlexandre Belloni1-0/+2
The PORF bit is cleared on interrupts which prevents the driver to know when the time and date are invalid. Stop clearing PORF in the interrupt handler. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210126221435.2152339-1-alexandre.belloni@bootlin.com
2021-02-06rtc: mxc_v2: Replace spin_lock_irqsave with spin_lock in hard IRQXiaofei Tan1-4/+3
It is redundant to do irqsave and irqrestore in hardIRQ context, where it has been in a irq-disabled context. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/1612355981-6764-7-git-send-email-tanxiaofei@huawei.com
2021-02-06rtc: mxc: Replace spin_lock_irqsave with spin_lock in hard IRQXiaofei Tan1-3/+2
It is redundant to do irqsave and irqrestore in hardIRQ context, where it has been in a irq-disabled context. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/1612355981-6764-6-git-send-email-tanxiaofei@huawei.com
2021-02-06rtc: tegra: Replace spin_lock_irqsave with spin_lock in hard IRQXiaofei Tan1-3/+3
It is redundant to do irqsave and irqrestore in hardIRQ context, where it has been in a irq-disabled context. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/1612355981-6764-5-git-send-email-tanxiaofei@huawei.com
2021-02-06rtc: r7301: Replace spin_lock_irqsave with spin_lock in hard IRQXiaofei Tan1-3/+2
It is redundant to do irqsave and irqrestore in hardIRQ context, where it has been in a irq-disabled context. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/1612355981-6764-4-git-send-email-tanxiaofei@huawei.com
2021-02-06rtc: pm8xxx: Replace spin_lock_irqsave with spin_lock in hard IRQXiaofei Tan1-5/+4
It is redundant to do irqsave and irqrestore in hardIRQ context, where it has been in a irq-disabled context. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/1612355981-6764-3-git-send-email-tanxiaofei@huawei.com
2021-02-06rtc: cmos: Replace spin_lock_irqsave with spin_lock in hard IRQXiaofei Tan1-3/+2
It is redundant to do irqsave and irqrestore in hardIRQ context, where it has been in a irq-disabled context. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/1612355981-6764-2-git-send-email-tanxiaofei@huawei.com
2021-02-03rtc: zynqmp: depend on HAS_IOMEMDavid Gow1-1/+1
The Xilinx zynqmp RTC driver makes use of IOMEM functions like devm_platform_ioremap_resource(), which are only available if CONFIG_HAS_IOMEM is defined. This causes the driver not to be enable under make ARCH=um allyesconfig, even though it won't build. By adding a dependency on HAS_IOMEM, the driver will not be enabled on architectures which don't support it. Fixes: 09ef18bcd5ac ("rtc: use devm_platform_ioremap_resource() to simplify code") Signed-off-by: David Gow <davidgow@google.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210127035146.1523286-1-davidgow@google.com
2021-01-26rtc: pcf2127: Run a OTP refresh if not done beforePhilipp Rosenberger1-0/+17
The datasheet of the PCF2127 states, it is recommended to process an OTP refresh once the power is up and the oscillator is operating stable. The OTP refresh takes less than 100 ms to complete. Signed-off-by: Philipp Rosenberger <p.rosenberger@kunbus.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210118085752.5759-3-p.rosenberger@kunbus.com
2021-01-26rtc: pcf2127: Disable Power-On Reset OverridePhilipp Rosenberger1-0/+8
To resume normal operation after a total power loss (no or empty battery) the "Power-On Reset Override (PORO)" facility needs to be disabled. The register reset value sets the PORO enabled and the data sheet recommends setting it to disabled for normal operation. From what I've seen on the PCF2127 and PCF2129 there is no event generated at the interrupt pin (INT), as long the PORO bit is set. This behavior is not documented in the manual. Signed-off-by: Philipp Rosenberger <p.rosenberger@kunbus.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210118085752.5759-2-p.rosenberger@kunbus.com
2021-01-25rtc: tps65910: Support wakeup-source propertyDmitry Osipenko1-3/+7
TPS65910 is a PMIC MFD device and RTC is one of its functions. The wakeup-source DT property is specified for the parent MFD device and we need to use this property for the RTC in order to allow to use RTC alarm for waking up system from suspend by default, instead of requiring user to enable wakeup manually via sysfs. Tested-by: Peter Geis <pgwipeout@gmail.com> Tested-by: Matt Merhar <mattmerhar@protonmail.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210120211603.18555-1-digetx@gmail.com
2021-01-25rtc: stm32: use rtc_lock/rtc_unlockAlexandre Belloni1-2/+2
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210119220653.677750-14-alexandre.belloni@bootlin.com
2021-01-25rtc: rx8025: use rtc_lock/rtc_unlockAlexandre Belloni1-3/+2
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210119220653.677750-13-alexandre.belloni@bootlin.com
2021-01-25rtc: rx8010: use rtc_lock/rtc_unlockAlexandre Belloni1-3/+3
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210119220653.677750-12-alexandre.belloni@bootlin.com
2021-01-25rtc: rv3029: use rtc_lock/rtc_unlockAlexandre Belloni1-5/+4
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210119220653.677750-11-alexandre.belloni@bootlin.com
2021-01-25rtc: pcf2123: use rtc_lock/rtc_unlockAlexandre Belloni1-3/+2
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210119220653.677750-10-alexandre.belloni@bootlin.com
2021-01-25rtc: mcp795: use rtc_lock/rtc_unlockAlexandre Belloni1-3/+2
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210119220653.677750-9-alexandre.belloni@bootlin.com
2021-01-25rtc: m41t80: use rtc_lock/rtc_unlockAlexandre Belloni1-5/+4
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210119220653.677750-8-alexandre.belloni@bootlin.com
2021-01-25rtc: hym8563: use rtc_lock/rtc_unlockAlexandre Belloni1-3/+2
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210119220653.677750-7-alexandre.belloni@bootlin.com
2021-01-25rtc: ds3232: use rtc_lock/rtc_unlockAlexandre Belloni1-3/+2
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210119220653.677750-6-alexandre.belloni@bootlin.com
2021-01-25rtc: ds1685: use rtc_lock/rtc_unlockAlexandre Belloni1-4/+2
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Joshua Kinard <kumba@gentoo.org> Link: https://lore.kernel.org/r/20210119220653.677750-5-alexandre.belloni@bootlin.com
2021-01-25rtc: ds1307: use rtc_lock/rtc_unlockAlexandre Belloni1-3/+2
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210119220653.677750-4-alexandre.belloni@bootlin.com
2021-01-25rtc: ds1305: use rtc_lock/rtc_unlockAlexandre Belloni1-3/+2
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210119220653.677750-3-alexandre.belloni@bootlin.com
2021-01-25rtc: asm9260: use rtc_lock/rtc_unlockAlexandre Belloni1-3/+3
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210119220653.677750-2-alexandre.belloni@bootlin.com
2021-01-25rtc: ac100: use rtc_lock/rtc_unlockAlexandre Belloni1-2/+2
Avoid accessing directly rtc->ops_lock and use the RTC core helpers. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210125221402.1958484-1-alexandre.belloni@bootlin.com
2021-01-23rtc: remove ste ab3100 driverArnd Bergmann3-263/+0
The ST-Ericsson U300 platform is getting removed, so this driver is no longer needed. Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210120154158.1860736-4-arnd@kernel.org
2021-01-23rtc: remove ste coh901 driverArnd Bergmann3-303/+0
The ST-Ericsson U300 platform is getting removed, so this driver is no longer needed. Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210120154158.1860736-3-arnd@kernel.org
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