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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/spider_net.c
parenta4182c50bcd6a20caae82c202436fe892f642150 (diff)
downloadlinux-2c307db7e40ff537d39c2e66629ba718ee2a8e51.tar.gz
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/spider_net.c')
-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 96a7e771daa4..67bbd7ba406d 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;