leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Spidernet RX Chain tail

Browse Source 
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>
This commit is contained in:
Linas Vepstas 2006-12-13 15:20:59 -06:00 committed by Jeff Garzik
parent a4182c50bc
commit 2c307db7e4
1 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/net/spider_net.c
View File

@ -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;