From patchwork Tue Nov 30 04:36:44 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomoya X-Patchwork-Id: 73538 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 5FFA3B70FF for ; Tue, 30 Nov 2010 15:37:40 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753829Ab0K3EhR (ORCPT ); Mon, 29 Nov 2010 23:37:17 -0500 Received: from sm-d311v.smileserver.ne.jp ([203.211.202.206]:34426 "EHLO sm-d311v.smileserver.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753034Ab0K3EhQ (ORCPT ); Mon, 29 Nov 2010 23:37:16 -0500 X-Virus-Status: clean(F-Secure/virusgw_smtp/403/viruscheck1-00.private.hosting-pf.net) Message-ID: <4CF47F5C.3010805@dsn.okisemi.com> Date: Tue, 30 Nov 2010 13:36:44 +0900 From: Tomoya MORINAGA User-Agent: Mozilla/5.0 (X11; U; Linux i686; ja; rv:1.9.2.12) Gecko/20101027 Thunderbird/3.1.6 MIME-Version: 1.0 To: Wolfgang Grandegger , Wolfram Sang , Christian Pellegrin , Barry Song <21cnbao@gmail.com>, Samuel Ortiz , socketcan-core@lists.berlios.de, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, "David S. Miller" CC: qi.wang@intel.com, yong.y.wang@intel.com, andrew.chih.howe.khor@intel.com, joel.clark@intel.com, kok.howg.ewe@intel.com, margie.foster@intel.com Subject: [PATCH net-next-2.6 v6 15/20] can: EG20T PCH: Comment optimization Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Comment optimization. Signed-off-by: Tomoya MORINAGA --- drivers/net/can/pch_can.c | 14 +++++++------- 1 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c index 1009d9b..6508dca 100644 --- a/drivers/net/can/pch_can.c +++ b/drivers/net/can/pch_can.c @@ -292,7 +292,7 @@ static void pch_can_set_rxtx(struct pch_can_priv *priv, u32 buff_num, else ie = PCH_IF_MCONT_RXIE; - /* Reading the receive buffer data from RAM to Interface1/2 registers */ + /* Reading the Msg buffer from Message RAM to IF1/2 registers. */ iowrite32(PCH_CMASK_RX_TX_GET, &priv->regs->ifregs[dir].cmask); pch_can_rw_msg_obj(&priv->regs->ifregs[dir].creq, buff_num); @@ -860,7 +860,7 @@ static int pch_can_open(struct net_device *ndev) priv->use_msi = 1; } - /* Regsitering the interrupt. */ + /* Regstering the interrupt. */ retval = request_irq(priv->dev->irq, pch_can_interrupt, IRQF_SHARED, ndev->name, ndev); if (retval) { @@ -960,7 +960,7 @@ static netdev_tx_t pch_xmit(struct sk_buff *skb, struct net_device *ndev) can_put_echo_skb(skb, ndev, tx_obj_no - PCH_RX_OBJ_END - 1); - /* Updating the size of the data. */ + /* Set the size of the data. Update if2_mcont */ iowrite32(cf->can_dlc | PCH_IF_MCONT_NEWDAT | PCH_IF_MCONT_TXRQXT | PCH_IF_MCONT_TXIE, &priv->regs->ifregs[1].mcont); @@ -1061,8 +1061,8 @@ static u32 pch_can_get_rx_buffer_link(struct pch_can_priv *priv, u32 buffer_num) static int pch_can_suspend(struct pci_dev *pdev, pm_message_t state) { - int i; /* Counter variable. */ - int retval; /* Return value. */ + int i; + int retval; u32 buf_stat; /* Variable for reading the transmit buffer status. */ int counter = PCH_COUNTER_LIMIT; @@ -1119,8 +1119,8 @@ static int pch_can_suspend(struct pci_dev *pdev, pm_message_t state) static int pch_can_resume(struct pci_dev *pdev) { - int i; /* Counter variable. */ - int retval; /* Return variable. */ + int i; + int retval; struct net_device *dev = pci_get_drvdata(pdev); struct pch_can_priv *priv = netdev_priv(dev);