linux-kernel - dmaengine: fsl-edma: dmatest timeout

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Date:   Tue, 28 Nov 2023 12:43:59 +0800
From:   wangxiaolei <xiaolei.wang@...driver.com>
To:     Frank Li <frank.li@....com>, vkoul@...nel.org
Cc:     imx@...ts.linux.dev, dmaengine@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: dmaengine: fsl-edma: dmatest timeout

Hi

When I executed the following command to do dmatest on the imx8qm platform,

I found that the timeout occurred on the current mainline kernel:

modprobe dmatest run=1 iterations=42

I found that the completion interrupt was not received in 
fsl_edma3_tx_handler().

I didn't find any special configuration from the manual. Can anyone give 
some suggestions?

thanks

xiaolei