Messages in this thread Patch in this message | | | Date | Tue, 10 Oct 2006 16:15:29 -0500 | Subject | [PATCH 16/21]: powerpc/cell spidernet | From | (Linas Vepstas) |
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Remove a dummy register read that is not needed. This reduces CPU usage notably during transmit.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: James K Lewis <jklewis@us.ibm.com>
---- 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; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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