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Passing IRQF_ONESHOT ensures that the interrupt source is masked until
the secondary (threaded) handler is done. If only a primary handler is
used then the flag makes no sense because the interrupt can not fire
(again) while its handler is running.
The flag also prevents force-threading of the primary handler and the
irq-core will warn about this.
Remove IRQF_ONESHOT from irqflags.
Fixes: c89ac9182ee29 ("rtc: support for the Amlogic on-chip RTC")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://patch.msgid.link/20260128095540.863589-13-bigeasy@linutronix.de
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Use devm_device_init_wakeup to simplify probe and remove .remove as it is now
empty.
Also remove the unnecessary error string as there are no error path without an
error message in devm_rtc_register_device.
Reviewed-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://patch.msgid.link/20251031204724.756857-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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The clock obtained via devm_clk_get_enabled() is automatically managed
by devres and will be disabled and freed on driver detach. Manually
calling clk_disable_unprepare() in error path and remove function
causes double free.
Remove the redundant clk_disable_unprepare() calls from the probe
error path and aml_rtc_remove(), allowing the devm framework to
automatically manage the clock lifecycle.
Fixes: c89ac9182ee2 ("rtc: support for the Amlogic on-chip RTC")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Reviewed-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://patch.msgid.link/20251021103559.1903-1-vulab@iscas.ac.cn
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Convert a global variable into a local one of aml_rtc_probe().
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://lore.kernel.org/r/20250722-rtc-regmap-v2-1-58bc17187a11@amlogic.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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device_init_wakeup() second argument is a bool type. Use proper boolean
values when calling it to match the type and to produce unambiguous code
which is easier to understand.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Link: https://lore.kernel.org/r/20241217071331.3607-2-wsa+renesas@sang-engineering.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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When compile rtc-a4, build error as following:
ERROR: modpost: drivers/rtc/rtc-amlogic-a4: struct of_device_id is
not terminated with a NULL entry!
This commit is to fix it.
Fixes: c89ac9182ee2 ("rtc: support for the Amlogic on-chip RTC")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://lore.kernel.org/r/20241113-fix_a4_rtc-v1-1-307af26449a8@amlogic.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Drop error message because there is a high probability they will never be
seen and the final user action is clear, the time has to be set again.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20241112143652.3445648-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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This is the third amlogic driver. The RTC hardware of A4 SoC is different
from the previous one. This RTC hardware includes a timing function and
an alarm function. But the existing has only timing function, alarm
function is using the system clock to implement a virtual alarm. Add
the RTC driver to support it.
Signed-off-by: Yiting Deng <yiting.deng@amlogic.com>
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://lore.kernel.org/r/20241112-rtc-v6-2-a71b60d2f354@amlogic.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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