From: Stefan Wahren Date: Thu, 24 Apr 2025 11:48:29 +0000 (+0200) Subject: dmaengine: fsl-edma: Fix return code for unhandled interrupts X-Git-Tag: v6.15-rc7~1^2~1 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5e27af0514e2249a9ccc9a762abd3b74e03a1f90;p=thirdparty%2Flinux.git dmaengine: fsl-edma: Fix return code for unhandled interrupts For fsl,imx93-edma4 two DMA channels share the same interrupt. So in case fsl_edma3_tx_handler is called for the "wrong" channel, the return code must be IRQ_NONE. This signalize that the interrupt wasn't handled. Fixes: 72f5801a4e2b ("dmaengine: fsl-edma: integrate v3 support") Signed-off-by: Stefan Wahren Reviewed-by: Joy Zou Link: https://lore.kernel.org/r/20250424114829.9055-1-wahrenst@gmx.net Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/fsl-edma-main.c b/drivers/dma/fsl-edma-main.c index 756d67325db52..66bfa28d984e1 100644 --- a/drivers/dma/fsl-edma-main.c +++ b/drivers/dma/fsl-edma-main.c @@ -57,7 +57,7 @@ static irqreturn_t fsl_edma3_tx_handler(int irq, void *dev_id) intr = edma_readl_chreg(fsl_chan, ch_int); if (!intr) - return IRQ_HANDLED; + return IRQ_NONE; edma_writel_chreg(fsl_chan, 1, ch_int);