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z85230: Fix FIFO handling
author
Alan Cox
<alan@lxorguk.ukuu.org.uk>
Wed, 7 Mar 2007 16:37:38 +0000
(16:37 +0000)
committer
Jeff Garzik
<jeff@garzik.org>
Fri, 9 Mar 2007 16:51:44 +0000
(11:51 -0500)
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>
drivers/net/wan/z85230.c
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diff --git
a/drivers/net/wan/z85230.c
b/drivers/net/wan/z85230.c
index 8dbcf83bb5f360a96d4b2b1320489e7af78eb5e7..8b4540bfc1b0b3b7949b86ae5cd6de58ab043b2f 100644
(file)
--- a/
drivers/net/wan/z85230.c
+++ b/
drivers/net/wan/z85230.c
@@
-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