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Message-ID: <4CC4EC38.2040208@dsn.okisemi.com>
Date: Mon, 25 Oct 2010 11:32:24 +0900
From: Tomoya <tomoya-linux@....okisemi.com>
To: Wolfgang Grandegger <wg@...ndegger.com>,
"David S. Miller" <davem@...emloft.net>,
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, morinaga526@....okisemi.com,
Masayuki Ohtake <masa-korg@....okisemi.com>,
margie.foster@...el.com
Subject: [PATCH net-next-2.6 v2] can: Topcliff: PCH_CAN driver: Fix build
warnings
Hi David,
From: Tomoya MORINAGA <tomoya-linux@....okisemi.com>
- Fix build warnings when PM_CONFIG is disabled.
- Modify Copyright "Co" to "CO".
Reported-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Tomoya MORINAGA <tomoya-linux@....okisemi.com>
---
drivers/net/can/pch_can.c | 208
++++++++++++++++++++++----------------------
1 files changed, 104 insertions(+), 104 deletions(-)
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index 55ec324..2889e11 100755
--- 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
@@ -255,21 +255,21 @@ static void pch_can_set_optmode(struct
pch_can_priv *priv)
iowrite32(reg_val, &priv->regs->opt);
}
-static void pch_can_set_int_custom(struct pch_can_priv *priv)
+static void pch_can_check_if_busy(u32 __iomem *creq_addr, u32 num)
{
- /* Clearing the IE, SIE and EIE bits of Can control register. */
- pch_can_bit_clear(&priv->regs->cont, CAN_CTRL_IE_SIE_EIE);
-
- /* Appropriately setting them. */
- pch_can_bit_set(&priv->regs->cont,
- ((priv->int_enables & MSK_CTRL_IE_SIE_EIE) << 1));
-}
+ u32 counter = COUNTER_LIMIT;
+ u32 ifx_creq;
-/* This function retrieves interrupt enabled for the CAN device. */
-static void pch_can_get_int_enables(struct pch_can_priv *priv, u32
*enables)
-{
- /* Obtaining the status of IE, SIE and EIE interrupt bits. */
- *enables = ((ioread32(&priv->regs->cont) & CAN_CTRL_IE_SIE_EIE) >> 1);
+ iowrite32(num, creq_addr);
+ while (counter) {
+ ifx_creq = ioread32(creq_addr) & CAN_IF_CREQ_BUSY;
+ if (!ifx_creq)
+ break;
+ counter--;
+ udelay(1);
+ }
+ if (!counter)
+ pr_err("%s:IF1 BUSY Flag is set forever.\n", __func__);
}
static void pch_can_set_int_enables(struct pch_can_priv *priv,
@@ -298,23 +298,6 @@ static void pch_can_set_int_enables(struct
pch_can_priv *priv,
}
}
-static void pch_can_check_if_busy(u32 __iomem *creq_addr, u32 num)
-{
- u32 counter = COUNTER_LIMIT;
- u32 ifx_creq;
-
- iowrite32(num, creq_addr);
- while (counter) {
- ifx_creq = ioread32(creq_addr) & CAN_IF_CREQ_BUSY;
- if (!ifx_creq)
- break;
- counter--;
- udelay(1);
- }
- if (!counter)
- pr_err("%s:IF1 BUSY Flag is set forever.\n", __func__);
-}
-
static void pch_can_set_rx_enable(struct pch_can_priv *priv, u32 buff_num,
u32 set)
{
@@ -417,82 +400,11 @@ static void pch_can_tx_disable_all(struct
pch_can_priv *priv)
}
}
-static void pch_can_get_rx_enable(struct pch_can_priv *priv, u32 buff_num,
- u32 *enable)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&priv->msgif_reg_lock, flags);
- iowrite32(CAN_CMASK_RX_TX_GET, &priv->regs->if1_cmask);
- pch_can_check_if_busy(&priv->regs->if1_creq, buff_num);
-
- if (((ioread32(&priv->regs->if1_id2)) & CAN_ID_MSGVAL) &&
- ((ioread32(&priv->regs->if1_mcont)) &
- CAN_IF_MCONT_RXIE))
- *enable = ENABLE;
- else
- *enable = DISABLE;
- spin_unlock_irqrestore(&priv->msgif_reg_lock, flags);
-}
-
-static void pch_can_get_tx_enable(struct pch_can_priv *priv, u32 buff_num,
- u32 *enable)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&priv->msgif_reg_lock, flags);
- iowrite32(CAN_CMASK_RX_TX_GET, &priv->regs->if2_cmask);
- pch_can_check_if_busy(&priv->regs->if2_creq, buff_num);
-
- if (((ioread32(&priv->regs->if2_id2)) & CAN_ID_MSGVAL) &&
- ((ioread32(&priv->regs->if2_mcont)) &
- CAN_IF_MCONT_TXIE)) {
- *enable = ENABLE;
- } else {
- *enable = DISABLE;
- }
- spin_unlock_irqrestore(&priv->msgif_reg_lock, flags);
-}
-
static int pch_can_int_pending(struct pch_can_priv *priv)
{
return ioread32(&priv->regs->intr) & 0xffff;
}
-static void pch_can_set_rx_buffer_link(struct pch_can_priv *priv,
- u32 buffer_num, u32 set)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&priv->msgif_reg_lock, flags);
- iowrite32(CAN_CMASK_RX_TX_GET, &priv->regs->if1_cmask);
- pch_can_check_if_busy(&priv->regs->if1_creq, buffer_num);
- iowrite32(CAN_CMASK_RDWR | CAN_CMASK_CTRL, &priv->regs->if1_cmask);
- if (set == ENABLE)
- pch_can_bit_clear(&priv->regs->if1_mcont, CAN_IF_MCONT_EOB);
- else
- pch_can_bit_set(&priv->regs->if1_mcont, CAN_IF_MCONT_EOB);
-
- pch_can_check_if_busy(&priv->regs->if1_creq, buffer_num);
- spin_unlock_irqrestore(&priv->msgif_reg_lock, flags);
-}
-
-static void pch_can_get_rx_buffer_link(struct pch_can_priv *priv,
- u32 buffer_num, u32 *link)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&priv->msgif_reg_lock, flags);
- iowrite32(CAN_CMASK_RX_TX_GET, &priv->regs->if1_cmask);
- pch_can_check_if_busy(&priv->regs->if1_creq, buffer_num);
-
- if (ioread32(&priv->regs->if1_mcont) & CAN_IF_MCONT_EOB)
- *link = DISABLE;
- else
- *link = ENABLE;
- spin_unlock_irqrestore(&priv->msgif_reg_lock, flags);
-}
-
static void pch_can_clear_buffers(struct pch_can_priv *priv)
{
int i;
@@ -1121,13 +1033,13 @@ static netdev_tx_t pch_xmit(struct sk_buff *skb,
struct net_device *ndev)
if (can_dropped_invalid_skb(ndev, skb))
return NETDEV_TX_OK;
- if (priv->tx_obj == (PCH_OBJ_NUM + 1)) { /* Point tail Obj */
+ if (priv->tx_obj == (PCH_OBJ_NUM + 1)) { /* Point tail Obj + 1 */
while (pch_get_msg_obj_sts(ndev, (((1 << PCH_TX_OBJ_NUM)-1) <<
PCH_RX_OBJ_NUM)))
udelay(500);
priv->tx_obj = PCH_RX_OBJ_NUM + 1; /* Point head of Tx Obj ID */
- tx_buffer_avail = priv->tx_obj; /* Point Tail of Tx Obj */
+ tx_buffer_avail = priv->tx_obj;
} else {
tx_buffer_avail = priv->tx_obj;
}
@@ -1212,6 +1124,94 @@ static void __devexit pch_can_remove(struct
pci_dev *pdev)
}
#ifdef CONFIG_PM
+static void pch_can_set_int_custom(struct pch_can_priv *priv)
+{
+ /* Clearing the IE, SIE and EIE bits of Can control register. */
+ pch_can_bit_clear(&priv->regs->cont, CAN_CTRL_IE_SIE_EIE);
+
+ /* Appropriately setting them. */
+ pch_can_bit_set(&priv->regs->cont,
+ ((priv->int_enables & MSK_CTRL_IE_SIE_EIE) << 1));
+}
+
+/* This function retrieves interrupt enabled for the CAN device. */
+static void pch_can_get_int_enables(struct pch_can_priv *priv, u32
*enables)
+{
+ /* Obtaining the status of IE, SIE and EIE interrupt bits. */
+ *enables = ((ioread32(&priv->regs->cont) & CAN_CTRL_IE_SIE_EIE) >> 1);
+}
+
+static void pch_can_get_rx_enable(struct pch_can_priv *priv, u32 buff_num,
+ u32 *enable)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->msgif_reg_lock, flags);
+ iowrite32(CAN_CMASK_RX_TX_GET, &priv->regs->if1_cmask);
+ pch_can_check_if_busy(&priv->regs->if1_creq, buff_num);
+
+ if (((ioread32(&priv->regs->if1_id2)) & CAN_ID_MSGVAL) &&
+ ((ioread32(&priv->regs->if1_mcont)) &
+ CAN_IF_MCONT_RXIE))
+ *enable = ENABLE;
+ else
+ *enable = DISABLE;
+ spin_unlock_irqrestore(&priv->msgif_reg_lock, flags);
+}
+
+static void pch_can_get_tx_enable(struct pch_can_priv *priv, u32 buff_num,
+ u32 *enable)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->msgif_reg_lock, flags);
+ iowrite32(CAN_CMASK_RX_TX_GET, &priv->regs->if2_cmask);
+ pch_can_check_if_busy(&priv->regs->if2_creq, buff_num);
+
+ if (((ioread32(&priv->regs->if2_id2)) & CAN_ID_MSGVAL) &&
+ ((ioread32(&priv->regs->if2_mcont)) &
+ CAN_IF_MCONT_TXIE)) {
+ *enable = ENABLE;
+ } else {
+ *enable = DISABLE;
+ }
+ spin_unlock_irqrestore(&priv->msgif_reg_lock, flags);
+}
+
+static void pch_can_set_rx_buffer_link(struct pch_can_priv *priv,
+ u32 buffer_num, u32 set)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->msgif_reg_lock, flags);
+ iowrite32(CAN_CMASK_RX_TX_GET, &priv->regs->if1_cmask);
+ pch_can_check_if_busy(&priv->regs->if1_creq, buffer_num);
+ iowrite32(CAN_CMASK_RDWR | CAN_CMASK_CTRL, &priv->regs->if1_cmask);
+ if (set == ENABLE)
+ pch_can_bit_clear(&priv->regs->if1_mcont, CAN_IF_MCONT_EOB);
+ else
+ pch_can_bit_set(&priv->regs->if1_mcont, CAN_IF_MCONT_EOB);
+
+ pch_can_check_if_busy(&priv->regs->if1_creq, buffer_num);
+ spin_unlock_irqrestore(&priv->msgif_reg_lock, flags);
+}
+
+static void pch_can_get_rx_buffer_link(struct pch_can_priv *priv,
+ u32 buffer_num, u32 *link)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->msgif_reg_lock, flags);
+ iowrite32(CAN_CMASK_RX_TX_GET, &priv->regs->if1_cmask);
+ pch_can_check_if_busy(&priv->regs->if1_creq, buffer_num);
+
+ if (ioread32(&priv->regs->if1_mcont) & CAN_IF_MCONT_EOB)
+ *link = DISABLE;
+ else
+ *link = ENABLE;
+ spin_unlock_irqrestore(&priv->msgif_reg_lock, flags);
+}
+
static int pch_can_suspend(struct pci_dev *pdev, pm_message_t state)
{
int i; /* Counter variable. */
--
1.6.0.6
--
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