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tests: drivers: uart: uart_pm: Call pm action from the thread context

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PM action shall be called from the thread context thus switching to
k_work instead of the k_timer.

Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruściński 2024-04-08 17:34:03 +02:00 • committed by Fabio Baltieri
commit a0bb05eb4c
1 changed files with 8 additions and 8 deletions
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16
tests/drivers/uart/uart_pm/src/main.c
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@ -203,36 +203,36 @@ ZTEST(uart_pm, test_uart_pm_poll_tx)
communication_verify(dev, true);
}
static void timeout(struct k_timer *timer)
static void work_handler(struct k_work *work)
{
const struct device *uart = k_timer_user_data_get(timer);
const struct device *dev = DEVICE_DT_GET(UART_NODE);
action_run(uart, PM_DEVICE_ACTION_SUSPEND, 0);
action_run(dev, PM_DEVICE_ACTION_SUSPEND, 0);
}
static K_TIMER_DEFINE(pm_timer, timeout, NULL);
/* Test going into low power state after interrupting poll out. Use various
* delays to test interruption at multiple places.
*/
ZTEST(uart_pm, test_uart_pm_poll_tx_interrupted)
{
static struct k_work_delayable dwork;
static struct k_work_sync sync;
const struct device *dev;
char str[] = "test";
dev = DEVICE_DT_GET(UART_NODE);
zassert_true(device_is_ready(dev), "uart device is not ready");
k_timer_user_data_set(&pm_timer, (void *)dev);
k_work_init_delayable(&dwork, work_handler);
for (int i = 1; i < 100; i++) {
k_timer_start(&pm_timer, K_USEC(i * 10), K_NO_WAIT);
k_work_schedule(&dwork, K_USEC(i * 10));
for (int j = 0; j < sizeof(str); j++) {
uart_poll_out(dev, str[j]);
}
k_timer_status_sync(&pm_timer);
k_work_flush_delayable(&dwork, &sync);
action_run(dev, PM_DEVICE_ACTION_RESUME, 0);