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SubjectPATCH: use cpu_relax in seq8005
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.6.0-test1/drivers/net/seeq8005.c linux-2.6.0-test1-ac2/drivers/net/seeq8005.c
--- linux-2.6.0-test1/drivers/net/seeq8005.c 2003-07-10 21:12:51.000000000 +0100
+++ linux-2.6.0-test1-ac2/drivers/net/seeq8005.c 2003-07-15 17:34:48.000000000 +0100
@@ -700,7 +700,8 @@
* wait_for_buffer
*
* This routine waits for the SEEQ chip to assert that the FIFO is ready
- * by checking for a window interrupt, and then clearing it
+ * by checking for a window interrupt, and then clearing it. This has to
+ * occur in the interrupt handler!
*/
inline void wait_for_buffer(struct net_device * dev)
{
@@ -710,7 +711,7 @@

tmp = jiffies + HZ;
while ( ( ((status=inw(SEEQ_STATUS)) & SEEQSTAT_WINDOW_INT) != SEEQSTAT_WINDOW_INT) && time_before(jiffies, tmp))
- mb();
+ cpu_relax();

if ( (status & SEEQSTAT_WINDOW_INT) == SEEQSTAT_WINDOW_INT)
outw( SEEQCMD_WINDOW_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD);
-
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