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drivers: dma: stm32 disabling stream waits for disable

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Add the loop to wait until the stream is really disable after disabling
and also cleared the TCIF flag.
This is a specifity of the dma of type V1.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
This commit is contained in:
Francois Ramu 2023-02-20 16:30:22 +01:00 • committed by Carles Cufí
commit c37272b321
1 changed files with 4 additions and 3 deletions
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7
drivers/dma/dma_stm32_v1.c
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@ -332,11 +332,12 @@ int stm32_dma_disable_stream(DMA_TypeDef *dma, uint32_t id)
{ {
LL_DMA_DisableStream(dma, dma_stm32_id_to_stream(id)); LL_DMA_DisableStream(dma, dma_stm32_id_to_stream(id));
if (!LL_DMA_IsEnabledStream(dma, dma_stm32_id_to_stream(id))) { while (stm32_dma_is_enabled_stream(dma, id)) {
return 0;
} }
return -EAGAIN; dma_stm32_clear_tc(dma, id);
return 0;
} }
void stm32_dma_disable_fifo_irq(DMA_TypeDef *dma, uint32_t id) void stm32_dma_disable_fifo_irq(DMA_TypeDef *dma, uint32_t id)