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Message-ID: <4CE60F6E.6090205@dsn.okisemi.com>
Date: Fri, 19 Nov 2010 14:47:26 +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 8/17] can: EG20T PCH: Change Copyright and module
description
Currently, Copyright and module description are not formal.
Signed-off-by: Tomoya MORINAGA <tomoya-linux@....okisemi.com>
---
drivers/net/can/pch_can.c | 41 +++++++++++++++++++----------------------
1 files changed, 19 insertions(+), 22 deletions(-)
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index 8985e16..3a39786 100644
--- a/drivers/net/can/pch_can.c
+++ b/drivers/net/can/pch_can.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 1999 - 2010 Intel Corporation.
- * Copyright (C) 2010 OKI SEMICONDUCTOR Co., LTD.
+ * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -169,19 +169,16 @@ struct pch_can_regs {
struct pch_can_priv {
struct can_priv can;
- unsigned int can_num;
struct pci_dev *dev;
- int tx_enable[PCH_TX_OBJ_END];
- int rx_enable[PCH_TX_OBJ_END];
- int rx_link[PCH_TX_OBJ_END];
- unsigned int int_enables;
- unsigned int int_stat;
+ u32 tx_enable[PCH_TX_OBJ_END];
+ u32 rx_enable[PCH_TX_OBJ_END];
+ u32 rx_link[PCH_TX_OBJ_END];
+ u32 int_enables;
struct net_device *ndev;
- unsigned int msg_obj[PCH_TX_OBJ_END];
struct pch_can_regs __iomem *regs;
struct napi_struct napi;
- unsigned int tx_obj; /* Point next Tx Obj index */
- unsigned int use_msi;
+ int tx_obj; /* Point next Tx Obj index */
+ int use_msi;
};
static struct can_bittiming_const pch_can_bittiming_const = {
@@ -244,9 +241,9 @@ static void pch_can_set_optmode(struct pch_can_priv *priv)
iowrite32(reg_val, &priv->regs->opt);
}
-static void pch_can_rw_msg_obj(u32 __iomem *creq_addr, u32 num)
+static void pch_can_rw_msg_obj(void __iomem *creq_addr, u32 num)
{
- u32 counter = PCH_COUNTER_LIMIT;
+ int counter = PCH_COUNTER_LIMIT;
u32 ifx_creq;
iowrite32(num, creq_addr);
@@ -334,7 +331,7 @@ static void pch_can_set_tx_all(struct pch_can_priv *priv, int set)
pch_can_set_rxtx(priv, i, set, 1);
}
-static int pch_can_int_pending(struct pch_can_priv *priv)
+static u32 pch_can_int_pending(struct pch_can_priv *priv)
{
return ioread32(&priv->regs->intr) & 0xffff;
}
@@ -492,10 +489,10 @@ static void pch_can_int_clr(struct pch_can_priv *priv, u32 mask)
}
}
-static int pch_can_get_buffer_status(struct pch_can_priv *priv)
+static u32 pch_can_get_buffer_status(struct pch_can_priv *priv)
{
return (ioread32(&priv->regs->treq1) & 0xffff) |
- ((ioread32(&priv->regs->treq2) & 0xffff) << 16);
+ (ioread32(&priv->regs->treq2) << 16);
}
static void pch_can_reset(struct pch_can_priv *priv)
@@ -759,7 +756,7 @@ static void pch_can_tx_complete(struct net_device *ndev, u32 int_stat)
netif_wake_queue(ndev);
}
-static int pch_can_rx_poll(struct napi_struct *napi, int quota)
+static int pch_can_poll(struct napi_struct *napi, int quota)
{
struct net_device *ndev = napi->dev;
struct pch_can_priv *priv = netdev_priv(ndev);
@@ -1032,10 +1029,10 @@ static void pch_can_set_int_custom(struct pch_can_priv *priv)
}
/* This function retrieves interrupt enabled for the CAN device. */
-static void pch_can_get_int_enables(struct pch_can_priv *priv, u32 *enables)
+static u32 pch_can_get_int_enables(struct pch_can_priv *priv)
{
/* Obtaining the status of IE, SIE and EIE interrupt bits. */
- *enables = ((ioread32(&priv->regs->cont) & PCH_CTRL_IE_SIE_EIE) >> 1);
+ return (ioread32(&priv->regs->cont) & PCH_CTRL_IE_SIE_EIE) >> 1;
}
static u32 pch_can_get_rxtx_ir(struct pch_can_priv *priv, u32 buff_num, u32 dir)
@@ -1094,7 +1091,7 @@ static int pch_can_suspend(struct pci_dev *pdev, pm_message_t state)
int i; /* Counter variable. */
int retval; /* Return value. */
u32 buf_stat; /* Variable for reading the transmit buffer status. */
- u32 counter = 0xFFFFFF;
+ int counter = PCH_COUNTER_LIMIT;
struct net_device *dev = pci_get_drvdata(pdev);
struct pch_can_priv *priv = netdev_priv(dev);
@@ -1117,7 +1114,7 @@ static int pch_can_suspend(struct pci_dev *pdev, pm_message_t state)
dev_err(&pdev->dev, "%s -> Transmission time out.\n", __func__);
/* Save interrupt configuration and then disable them */
- pch_can_get_int_enables(priv, &(priv->int_enables));
+ priv->int_enables = pch_can_get_int_enables(priv);
pch_can_set_int_enables(priv, PCH_CAN_DISABLE);
/* Save Tx buffer enable state */
@@ -1272,7 +1269,7 @@ static int __devinit pch_can_probe(struct pci_dev *pdev,
ndev->netdev_ops = &pch_can_netdev_ops;
priv->can.clock.freq = PCH_CAN_CLK; /* Hz */
- netif_napi_add(ndev, &priv->napi, pch_can_rx_poll, PCH_RX_OBJ_END);
+ netif_napi_add(ndev, &priv->napi, pch_can_poll, PCH_RX_OBJ_END);
rc = register_candev(ndev);
if (rc) {
@@ -1315,6 +1312,6 @@ static void __exit pch_can_pci_exit(void)
}
module_exit(pch_can_pci_exit);
-MODULE_DESCRIPTION("Controller Area Network Driver");
+MODULE_DESCRIPTION("Intel EG20T PCH CAN(Controller Area Network) Driver");
MODULE_LICENSE("GPL v2");
MODULE_VERSION("0.94");
--
1.6.0.6
--
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