Commit de839b8f authored Sep 27, 2011 by Julian Andres Klode Committed by Greg Kroah-Hartman Sep 29, 2011

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>

parent 12b5a55d

drivers/staging/nvec/nvec.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}