staging: nvec: Add a udelay(100) to nvec_interrupt

As the comment indicates, adding that udelay seems to
improve the stability of the communication, although
it is not known why this is the case.
Signed-off-by: Julian Andres Klode <jak@jak-linux.org>
Acked-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/nvec/nvec.c

@@ -656,6 +656,15 @@ static irqreturn_t nvec_interrupt(int irq, void *dev)
 		status & RCVD ? " RCVD" : "",
 		status & RNW ? " RNW" : "");
 
+
+	/*
+	 * TODO: A correct fix needs to be found for this.
+	 *
+	 * We experience less incomplete messages with this delay than without
+	 * it, but we don't know why. Help is appreciated.
+	 */
+	udelay(100);
+
 	return IRQ_HANDLED;
 }