Re: [PATCH v2] test/qtest: Add API functions to capture IRQ toggling

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

On 14/11/23 00:01, Gustavo Romero wrote:
> Currently, the QTest API does not provide a function to capture when an
> IRQ line is raised or lowered, although the QTest Protocol already
> reports such IRQ transitions. As a consequence, it is also not possible
> to capture when an IRQ line is toggled. Functions like qtest_get_irq()
> only read the current state of the intercepted IRQ lines, which is
> already high (or low) when the function is called if the IRQ line is
> toggled. Therefore, these functions miss the IRQ line state transitions.
> 
> This commit introduces two new API functions:
> qtest_get_irq_raised_counter() and qtest_get_irq_lowered_counter().
> These functions allow capturing the number of times an observed IRQ line
> transitioned from low to high state or from high to low state,
> respectively.
> 
> When used together, these new API functions then allow checking if one
> or more pulses were generated (indicating if the IRQ line was toggled).
> 
> Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
> ---
>   tests/qtest/libqtest.c | 24 ++++++++++++++++++++++++
>   tests/qtest/libqtest.h | 28 ++++++++++++++++++++++++++++
>   2 files changed, 52 insertions(+)

Sorry I totally forgot this patch :/

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>