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arch/arm64/imx9: Clear DMA channel interrupts on init

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Avoid spurious interrupts on reboot

Signed-off-by: Jouni Ukkonen <jouni.ukkonen@unikie.com>
This commit is contained in:
Jouni Ukkonen
2024-11-26 13:13:25 +02:00
committed by Xiang Xiao
parent 1d23baaa63
commit 6b38b83331
1 changed files with 4 additions and 0 deletions
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arch/arm64/src/imx9/imx9_edma.c
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@@ -864,6 +864,10 @@ void weak_function arm64_dma_initialize(void)
putreg32(0, IMX9_EDMA_TCD(base, chan) + IMX9_EDMA_CH_CSR_OFFSET); putreg32(0, IMX9_EDMA_TCD(base, chan) + IMX9_EDMA_CH_CSR_OFFSET);
/* Clear interrupt if any */
putreg32(1, IMX9_EDMA_TCD(base, chan) + IMX9_EDMA_CH_INT_OFFSET);
/* Set all TCD CSR, biter and citer entries to 0 so that /* Set all TCD CSR, biter and citer entries to 0 so that
* will be 0 when DONE is not set so that imx9_dmach_getcount * will be 0 when DONE is not set so that imx9_dmach_getcount
* reports 0. * reports 0.