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drivers: dma: cyclic dma handling

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keeping the stream busy when cyclic DMA is used.

Signed-off-by: Fabrice DJIATSA <fabrice.djiatsa-ext@st.com>
This commit is contained in:
Fabrice DJIATSA 2025-01-15 13:37:50 +01:00 committed by Benjamin Cabé
parent bda1970b33
commit ed92eeb3c8
1 changed files with 3 additions and 1 deletions
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4
drivers/dma/dma_stm32u5.c
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@ -274,7 +274,9 @@ static void dma_stm32_irq_handler(const struct device *dev, uint32_t id)
stream->dma_callback(dev, stream->user_data, callback_arg, DMA_STATUS_BLOCK); stream->dma_callback(dev, stream->user_data, callback_arg, DMA_STATUS_BLOCK);
} else if (stm32_dma_is_tc_irq_active(dma, id)) { } else if (stm32_dma_is_tc_irq_active(dma, id)) {
/* Assuming not cyclic transfer */ /* Assuming not cyclic transfer */
stream->busy = false; if (stream->cyclic == false) {
stream->busy = false;
}
/* Let HAL DMA handle flags on its own */ /* Let HAL DMA handle flags on its own */
if (!stream->hal_override) { if (!stream->hal_override) {
dma_stm32_clear_tc(dma, id); dma_stm32_clear_tc(dma, id);