[PATCH v2 4/6] coresight: Refactor etm4_config_timestamp_event()

[Leo Yan]

On Thu, Aug 14, 2025 at 11:49:55AM +0100, James Clark wrote:
> Remove some of the magic numbers and try to clarify some of the
> documentation so it's clearer how this sets up the timestamp interval.
> 
> Return errors directly instead of jumping to out and returning ret,
> nothing needs to be cleaned up at the end and it only obscures the flow
> and return value.
> 
> Signed-off-by: James Clark <james.clark at linaro.org>

Reviewed-by: Leo Yan <leo.yan at arm.com>