As, the interrupt for DMA is counted from 1, so need to checked
the USBA_NR_DMAS, in old way, it only check (USBA_NR_DMAS - 1),
so fix it.

Reported-by: Max Liao <lia...@embest-tech.com>
Signed-off-by: Bo Shen <voice.s...@atmel.com>
---

 drivers/usb/gadget/udc/atmel_usba_udc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c 
b/drivers/usb/gadget/udc/atmel_usba_udc.c
index 906e65f..c9fe67e 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -1661,7 +1661,7 @@ static irqreturn_t usba_udc_irq(int irq, void *devid)
        if (dma_status) {
                int i;
 
-               for (i = 1; i < USBA_NR_DMAS; i++)
+               for (i = 1; i <= USBA_NR_DMAS; i++)
                        if (dma_status & (1 << i))
                                usba_dma_irq(udc, &udc->usba_ep[i]);
        }
-- 
1.8.5.2

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