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: NDaniel Lezcano <daniel.lezcano@linaro.org>

Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>

Some macros are unused, delete them.
Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>

Remove some legacy code and replace it by the clksrc-of code.

Do some cleanup and code consolidation.
Signed-off-by: NYoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>

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: NAlexey Klimov <alexey.klimov@linaro.org>
Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>

h8300_timer8: 8bit clockevent device
h8300_timer16 / h8300_tpu: 16bit clocksource
Signed-off-by: NYoshinori Sato <ysato@users.sourceforge.jp>