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authorLinas Vepstas <linas@austin.ibm.com>2006-12-13 15:20:59 -0600
committerJeff Garzik <jeff@garzik.org>2007-02-05 16:58:44 -0500
commit2c307db7e40ff537d39c2e66629ba718ee2a8e51 (patch)
treec597790940a0ae7c513808f3cfcc6f1486ab7f28 /drivers/net
parenta4182c50bcd6a20caae82c202436fe892f642150 (diff)
Spidernet RX Chain tail
Tell the hardware the location of the rx ring tail. More punctuation cleanup. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/spider_net.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 96a7e771daa..67bbd7ba406 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -487,10 +487,10 @@ spider_net_refill_rx_chain(struct spider_net_card *card)
}
/**
- * spider_net_alloc_rx_skbs - allocates rx skbs in rx descriptor chains
+ * spider_net_alloc_rx_skbs - Allocates rx skbs in rx descriptor chains
* @card: card structure
*
- * returns 0 on success, <0 on failure
+ * Returns 0 on success, <0 on failure.
*/
static int
spider_net_alloc_rx_skbs(struct spider_net_card *card)
@@ -501,17 +501,18 @@ spider_net_alloc_rx_skbs(struct spider_net_card *card)
result = -ENOMEM;
chain = &card->rx_chain;
- /* put at least one buffer into the chain. if this fails,
- * we've got a problem. if not, spider_net_refill_rx_chain
- * will do the rest at the end of this function */
+ /* Put at least one buffer into the chain. if this fails,
+ * we've got a problem. If not, spider_net_refill_rx_chain
+ * will do the rest at the end of this function. */
if (spider_net_prepare_rx_descr(card, chain->head))
goto error;
else
chain->head = chain->head->next;
- /* this will allocate the rest of the rx buffers; if not, it's
- * business as usual later on */
+ /* This will allocate the rest of the rx buffers;
+ * if not, it's business as usual later on. */
spider_net_refill_rx_chain(card);
+ spider_net_enable_rxchtails(card);
spider_net_enable_rxdmac(card);
return 0;