Remove a dummy register read that is not needed.
This reduces CPU usage notably during transmit.
Signed-off-by: Linas Vepstas <[EMAIL PROTECTED]>
Cc: Arnd Bergmann <[EMAIL PROTECTED]>
Cc: James K Lewis <[EMAIL PROTECTED]>
----
drivers/net/spider_net.c | 2 --
1 file changed, 2 deletions(-)
Index: linux-2.6.18-mm2/drivers/net/spider_net.c
===================================================================
--- linux-2.6.18-mm2.orig/drivers/net/spider_net.c 2006-10-10
13:20:08.000000000 -0500
+++ linux-2.6.18-mm2/drivers/net/spider_net.c 2006-10-10 13:21:41.000000000
-0500
@@ -759,8 +759,6 @@ spider_net_release_tx_chain(struct spide
unsigned long flags;
int status;
- spider_net_read_reg(card, SPIDER_NET_GDTDMACCNTR);
-
while (chain->tail != chain->head) {
spin_lock_irqsave(&chain->lock, flags);
descr = chain->tail;
-
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