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All the clocksource drivers's init function are now converted to return
an error code. CLOCKSOURCE_OF_DECLARE is no longer used as well as the
clksrc-of table.
Let's convert back the names:
- CLOCKSOURCE_OF_DECLARE_RET => CLOCKSOURCE_OF_DECLARE
- clksrc-of-ret => clksrc-of
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
For exynos_mct and samsung_pwm_timer:
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
For arch/arc:
Acked-by: Vineet Gupta <vgupta@synopsys.com>
For mediatek driver:
Acked-by: Matthias Brugger <matthias.bgg@gmail.com>
For the Rockchip-part
Acked-by: Heiko Stuebner <heiko@sntech.de>
For STi :
Acked-by: Patrice Chotard <patrice.chotard@st.com>
For the mps2-timer.c and versatile.c changes:
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
For the OXNAS part :
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
For LPC32xx driver:
Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com>
For Broadcom Kona timer change:
Acked-by: Ray Jui <ray.jui@broadcom.com>
For Sun4i and Sun5i:
Acked-by: Chen-Yu Tsai <wens@csie.org>
For Meson6:
Acked-by: Carlo Caione <carlo@caione.org>
For Keystone:
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
For NPS:
Acked-by: Noam Camus <noamca@mellanox.com>
For bcm2835:
Acked-by: Eric Anholt <eric@anholt.net>
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The init functions do not return any error. They behave as the following:
- panic, thus leading to a kernel crash while another timer may work and
make the system boot up correctly
or
- print an error and let the caller unaware if the state of the system
Change that by converting the init functions to return an error conforming
to the CLOCKSOURCE_OF_RET prototype.
Proper error handling (rollback, errno value) will be changed later case
by case, thus this change just return back an error or success in the init
function.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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For the sake of consistency, let rename all ctrl_out/in calls to the write/read
calls so we have the same API consistent with the other architectures hence
open the door for the increasing of the test compilation coverage.
The unsigned long coercive cast is removed because all variables are set to
the right type "void __iomem *".
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The current code retrieves the rate value when the timer is enabled which
occurs each time a timer is re-armed. Except if the clock frequency has changed
magically I don't see why this should be done each time.
Retrieve the clock rate value at init time only.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The time framawork takes care of disabling the interrupts and takes a lock
to prevent races.
Remove the legacy code in the driver taking care of the races.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The current code assumes the interrupt function is re-entrant.
That is not correct. An interrupt handler is never invoked concurrently. The
interrupt line is masked on all processors.
Remove the chewing flags in the code.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The value returned in case of error for the 'irq_of_parse_and_map' function is
zero in case of error. Fix the check in the init code.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Specify the delta as parameter for the timer8_clock_event_start function
instead of using a macro to tell PERIODIC or ONESHOT.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The dev_warn is using the platform driver which was removed in the previous
patch.
Let's replace dev_warn by pr_warn.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Remove some legacy code and replace it by the clksrc-of code.
Do some cleanup and code consolidation.
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Memory for timer16_priv, timer8_priv and tpu_priv structs is
allocated by devm_kzalloc() in corresponding probe functions
of drivers.
No need to zero it one more time.
Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Migrate h8300_timer8 driver to the new 'set-state' interface provided by
clockevents core, the earlier 'set-mode' interface is marked obsolete
now.
This also enables us to implement callbacks for new states of clockevent
devices, for example: ONESHOT_STOPPED.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
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h8300_timer8: 8bit clockevent device
h8300_timer16 / h8300_tpu: 16bit clocksource
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
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