From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e6.ny.us.ibm.com (e6.ny.us.ibm.com [32.97.182.146]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e1.ny.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTP id ECCC867DA7 for ; Thu, 7 Dec 2006 10:39:17 +1100 (EST) Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e6.ny.us.ibm.com (8.13.8/8.12.11) with ESMTP id kB6Nde8S019719 for ; Wed, 6 Dec 2006 18:39:40 -0500 Received: from d01av03.pok.ibm.com (d01av03.pok.ibm.com [9.56.224.217]) by d01relay04.pok.ibm.com (8.13.6/8.13.6/NCO v8.1.1) with ESMTP id kB6NdE9O190178 for ; Wed, 6 Dec 2006 18:39:14 -0500 Received: from d01av03.pok.ibm.com (loopback [127.0.0.1]) by d01av03.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id kB6NdDW2031946 for ; Wed, 6 Dec 2006 18:39:13 -0500 Date: Wed, 6 Dec 2006 17:39:12 -0600 To: Andrew Morton Subject: [PATCH 8/16] Spidernet RX Refill Message-ID: <20061206233912.GH4649@austin.ibm.com> References: <20061206223223.GH17931@austin.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20061206223223.GH17931@austin.ibm.com> From: linas@austin.ibm.com (Linas Vepstas) Cc: Arnd Bergmann , netdev@vger.kernel.org, James K Lewis , linuxppc-dev@ozlabs.org, jgarzik@pobox.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , The invocation of the rx ring refill routine is haphazard; centralize and make its usage consistent. Signed-off-by: Linas Vepstas Cc: James K Lewis Cc: Arnd Bergmann ---- drivers/net/spider_net.c | 11 ++++------- 1 file changed, 4 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 16:03:06.000000000 -0600 +++ linux-2.6.19-git7/drivers/net/spider_net.c 2006-12-06 16:03:08.000000000 -0600 @@ -968,8 +968,6 @@ spider_net_decode_one_descr(struct spide if (status == SPIDER_NET_DESCR_NOT_IN_USE) { /* not initialized yet, the ring must be empty */ spin_unlock_irqrestore(&chain->lock, flags); - spider_net_refill_rx_chain(card); - spider_net_enable_rxdmac(card); return 0; } @@ -1058,6 +1056,7 @@ spider_net_poll(struct net_device *netde netdev->quota -= packets_done; *budget -= packets_done; spider_net_refill_rx_chain(card); + spider_net_enable_rxdmac(card); /* if all packets are in the stack, enable interrupts and return 0 */ /* if not, return 1 */ @@ -1197,11 +1196,9 @@ spider_net_set_mac(struct net_device *ne static void spider_net_handle_rxram_full(struct spider_net_card *card) { - int rc = 1; - while (rc) { - rc = spider_net_decode_one_descr(card, 0); - spider_net_refill_rx_chain(card); - } + while (spider_net_decode_one_descr(card, 0)); + + spider_net_refill_rx_chain(card); spider_net_enable_rxchtails(card); spider_net_enable_rxdmac(card); netif_rx_schedule(card->netdev);