Commit fe797455 authored Mar 07, 2007 by Alan Cox Committed by Jeff Garzik Mar 09, 2007

z85230: Fix FIFO handling



We must exit immediately on a FIFO fill not take the end of packet path
otherwise each underrun in PIO transmit mode causes a runt packet and the
data is lost.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

parent 2efa53f3

drivers/net/wan/z85230.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -407,7 +407,7 @@ static void z8530_tx(struct z8530_channel *c)
		while(c->txcount) {
		/* FIFO full ? */
		if(!(read_zsreg(c, R0)&4))
		break;
		return;
		c->txcount--;
		/*
		* Shovel out the byte