linux-kernel - [PATCH net-next-2.6 v6 15/20] can: EG20T PCH: Comment optimization

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Message-ID: <4CF47F5C.3010805@dsn.okisemi.com>
Date:	Tue, 30 Nov 2010 13:36:44 +0900
From:	Tomoya MORINAGA <tomoya-linux@....okisemi.com>
To:	Wolfgang Grandegger <wg@...ndegger.com>,
	Wolfram Sang <w.sang@...gutronix.de>,
	Christian Pellegrin <chripell@...e.org>,
	Barry Song <21cnbao@...il.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	socketcan-core@...ts.berlios.de, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>
CC:	qi.wang@...el.com, yong.y.wang@...el.com,
	andrew.chih.howe.khor@...el.com, joel.clark@...el.com,
	kok.howg.ewe@...el.com, margie.foster@...el.com
Subject: [PATCH net-next-2.6 v6 15/20] can: EG20T PCH: Comment optimization

Comment optimization.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@....okisemi.com>
---
 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);
 
-- 
1.6.0.6

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