Merge tag 'dmaengine-fix-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul...

[sfrench/cifs-2.6.git] / drivers / dma / idma64.c

diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c
index 78a938969d7d76f513885d3c749392399f367256..1398814d8fbb63c3dd750a603deca0a050e488a1 100644 (file)
--- a/drivers/dma/idma64.c
+++ b/drivers/dma/idma64.c
@@ -171,6 +171,10 @@ static irqreturn_t idma64_irq(int irq, void *dev)
        u32 status_err;
        unsigned short i;
 
+       /* Since IRQ may be shared, check if DMA controller is powered on */
+       if (status == GENMASK(31, 0))
+               return IRQ_NONE;
+
        dev_vdbg(idma64->dma.dev, "%s: status=%#x\n", __func__, status);
 
        /* Check if we have any interrupt from the DMA controller */