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tests: drivers: dma: loop_transfer: skip stop test if not supported #99835

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tests: drivers: dma: loop_transfer: skip stop test if not supported #99835

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04de038
include: zephyr: drivers: dma.h: dma_stop return nosys if NULL
alexapostolu Nov 21, 2025
d332123
tests: drivers: dma: loop_transfer: skip stop test if not supported
alexapostolu Nov 21, 2025
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3 changes: 3 additions & 0 deletions include/zephyr/drivers/dma.h
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Original file line number Diff line number Diff line change
Expand Up @@ -482,6 +482,9 @@ static inline int dma_stop(const struct device *dev, uint32_t channel)
const struct dma_driver_api *api =
(const struct dma_driver_api *)dev->api;

if (api->stop == NULL) {
return -ENOSYS;
}
return api->stop(dev, channel);
}

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9 changes: 8 additions & 1 deletion tests/drivers/dma/loop_transfer/src/test_dma_loop.c
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Expand Up @@ -360,6 +360,7 @@ static int test_loop_repeated_start_stop(const struct device *dma)
static int chan_id;
enum pm_device_state init_state = pm_device_on_power_domain(dma) ?
PM_DEVICE_STATE_OFF : PM_DEVICE_STATE_SUSPENDED;
int res;

test_case_id = 0;
TC_PRINT("DMA memory to memory transfer started\n");
Expand Down Expand Up @@ -418,7 +419,13 @@ static int test_loop_repeated_start_stop(const struct device *dma)
return TC_FAIL;
}

if (dma_stop(dma, chan_id)) {
res = dma_stop(dma, chan_id);
if (res == -ENOSYS) {
TC_PRINT("Stop not supported.");
ztest_test_skip();
return TC_SKIP;
}
if (res) {
TC_PRINT("ERROR: transfer stop on stopped channel (%d)\n", chan_id);
return TC_FAIL;
}
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