amd-xgbe: Use disable_irq_nosync when in IRQ context

The disable_irq_nosync function, not the disable_irq function, must be
used to disable the DMA channel interrupt from within the interrupt
service routine. Change the disable_irq call to disable_irq_nosync.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/amd/xgbe/xgbe-drv.c

@@ -396,7 +396,7 @@ static irqreturn_t xgbe_dma_isr(int irq, void *data)
 	 */
 	if (napi_schedule_prep(&channel->napi)) {
 		/* Disable Tx and Rx interrupts */
-		disable_irq(channel->dma_irq);
+		disable_irq_nosync(channel->dma_irq);
 
 		/* Turn on polling */
 		__napi_schedule(&channel->napi);