From d48f2daafd0695d7289fb1e9dcdb87552cb17702 Mon Sep 17 00:00:00 2001
From: Jouni Ukkonen <jouni.ukkonen@unikie.com>
Date: Tue, 26 Nov 2024 13:13:25 +0200
Subject: [PATCH] arch/arm64/imx9: Clear DMA channel interrupts on init

Avoid spurious interrupts on reboot

Signed-off-by: Jouni Ukkonen <jouni.ukkonen@unikie.com>
---
 arch/arm64/src/imx9/imx9_edma.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/src/imx9/imx9_edma.c b/arch/arm64/src/imx9/imx9_edma.c
index 3c3110d4fe1d1..ec611da58366d 100644
--- a/arch/arm64/src/imx9/imx9_edma.c
+++ b/arch/arm64/src/imx9/imx9_edma.c
@@ -864,6 +864,10 @@ void weak_function arm64_dma_initialize(void)
 
       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
        * will be 0 when DONE is not set so that imx9_dmach_getcount
        * reports 0.