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From: linas@austin.ibm.com (Linas Vepstas)
To: Andrew Morton <akpm@osdl.org>
Cc: jgarzik@pobox.com, netdev@vger.kernel.org,
	linuxppc-dev@ozlabs.org, James K Lewis <jklewis@us.ibm.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Geoff Levand <geoffrey.levand@am.sony.com>
Subject: [PATCH 11/16] Spidernet RX Chain tail
Date: Wed, 6 Dec 2006 17:42:38 -0600	[thread overview]
Message-ID: <20061206234238.GK4649@austin.ibm.com> (raw)
In-Reply-To: <20061206223223.GH17931@austin.ibm.com>


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>

----
 drivers/net/spider_net.c |   15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

Index: linux-2.6.19-git7/drivers/net/spider_net.c
===================================================================
--- linux-2.6.19-git7.orig/drivers/net/spider_net.c	2006-12-06 16:03:11.000000000 -0600
+++ linux-2.6.19-git7/drivers/net/spider_net.c	2006-12-06 16:03:13.000000000 -0600
@@ -457,10 +457,10 @@ spider_net_refill_rx_chain(struct spider
 }
 
 /**
- * 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)
@@ -471,17 +471,18 @@ spider_net_alloc_rx_skbs(struct spider_n
 	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;
 

  parent reply	other threads:[~2006-12-06 23:42 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-06 22:32 [PATCH 0/16] Spidernet RX Misc cleanups and fixes Linas Vepstas
2006-12-06 23:27 ` [PATCH 1/16] Spidernet DMA coalescing Linas Vepstas
2006-12-07  7:08   ` Andrew Morton
2006-12-07 17:16     ` Linas Vepstas
2006-12-07 10:11   ` Christoph Hellwig
2006-12-13 17:27     ` Linas Vepstas
2006-12-06 23:29 ` [PATCH 2/16] Spidernet add net_ratelimit to suppress long output Linas Vepstas
2006-12-06 23:31 ` [PATCH 3/16] Spidernet RX Locking Linas Vepstas
2006-12-07 10:09   ` Jeff Garzik
2006-12-07 17:50     ` Linas Vepstas
2006-12-08 22:47       ` Benjamin Herrenschmidt
2006-12-11 21:07         ` Linas Vepstas
2006-12-06 23:33 ` [PATCH 4/16] Spidernet Refactor RX refill Linas Vepstas
2006-12-06 23:34 ` [PATCH 5/16] Spidernet RX skb mem leak Linas Vepstas
2006-12-06 23:36 ` [PATCH 6/16] Spidernet another " Linas Vepstas
2006-12-06 23:37 ` [PATCH 7/16] Spidernet Cleanup return codes Linas Vepstas
2006-12-06 23:39 ` [PATCH 8/16] Spidernet RX Refill Linas Vepstas
2006-12-06 23:40 ` [PATCH 9/16] Spidernet Merge error branches Linas Vepstas
2006-12-06 23:41 ` [PATCH 10/16] Spidernet Remove unused variable Linas Vepstas
2006-12-06 23:42 ` Linas Vepstas [this message]
2006-12-06 23:43 ` [PATCH 12/16] Spidernet Turn RX irq back on Linas Vepstas
2006-12-06 23:45 ` [PATCH 13/16] Spidernet Memory barrier Linas Vepstas
2006-12-06 23:46 ` [PATCH 14/16] Spidernet Avoid possible RX chain corruption Linas Vepstas
2006-12-06 23:49 ` [PATCH 15/16] Spidernet RX Debugging printout Linas Vepstas
2006-12-06 23:51 ` [PATCH 16/16] Spidernet Rework RX linked list Linas Vepstas

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