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pch_can: Fix warnings

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Currently, in case CONFIG_PM is disabled, compiler outputs warnings.
Move six functions which are used only CONFIG_PM is enabled,
into "#ifdef CONFIG_PM" area.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tomoya 2010-12-12 20:24:11 +00:00 • committed by David S. Miller
commit 7f2bc50efe
1 changed files with 73 additions and 73 deletions
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146
drivers/net/can/pch_can.c
View file

@ -245,23 +245,6 @@ 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)
{
/* Clearing the IE, SIE and EIE bits of Can control register. */
pch_can_bit_clear(&priv->regs->cont, PCH_CTRL_IE_SIE_EIE);
/* Appropriately setting them. */
pch_can_bit_set(&priv->regs->cont,
((priv->int_enables & PCH_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) & PCH_CTRL_IE_SIE_EIE) >> 1);
}
static void pch_can_set_int_enables(struct pch_can_priv *priv,
enum pch_can_mode interrupt_no)
{
@ -355,61 +338,11 @@ static void pch_can_set_tx_all(struct pch_can_priv *priv, u32 set)
pch_can_set_rxtx(priv, i, set, PCH_TX_IFREG);
}
static u32 pch_can_get_rxtx_ir(struct pch_can_priv *priv, u32 buff_num,
enum pch_ifreg dir)
{
u32 ie, enable;
if (dir)
ie = PCH_IF_MCONT_RXIE;
else
ie = PCH_IF_MCONT_TXIE;
iowrite32(PCH_CMASK_RX_TX_GET, &priv->regs->ifregs[dir].cmask);
pch_can_check_if_busy(&priv->regs->ifregs[dir].creq, buff_num);
if (((ioread32(&priv->regs->ifregs[dir].id2)) & PCH_ID_MSGVAL) &&
((ioread32(&priv->regs->ifregs[dir].mcont)) & ie)) {
enable = 1;
} else {
enable = 0;
}
return enable;
}
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)
{
iowrite32(PCH_CMASK_RX_TX_GET, &priv->regs->ifregs[0].cmask);
pch_can_check_if_busy(&priv->regs->ifregs[0].creq, buffer_num);
iowrite32(PCH_CMASK_RDWR | PCH_CMASK_CTRL,
&priv->regs->ifregs[0].cmask);
if (set == PCH_ENABLE)
pch_can_bit_clear(&priv->regs->ifregs[0].mcont,
PCH_IF_MCONT_EOB);
else
pch_can_bit_set(&priv->regs->ifregs[0].mcont, PCH_IF_MCONT_EOB);
pch_can_check_if_busy(&priv->regs->ifregs[0].creq, buffer_num);
}
static void pch_can_get_rx_buffer_link(struct pch_can_priv *priv,
u32 buffer_num, u32 *link)
{
iowrite32(PCH_CMASK_RX_TX_GET, &priv->regs->ifregs[0].cmask);
pch_can_check_if_busy(&priv->regs->ifregs[0].creq, buffer_num);
if (ioread32(&priv->regs->ifregs[0].mcont) & PCH_IF_MCONT_EOB)
*link = PCH_DISABLE;
else
*link = PCH_ENABLE;
}
static void pch_can_clear_buffers(struct pch_can_priv *priv)
{
int i;
@ -583,12 +516,6 @@ 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)
{
return (ioread32(&priv->regs->treq1) & 0xffff) |
((ioread32(&priv->regs->treq2) & 0xffff) << 16);
}
static void pch_can_reset(struct pch_can_priv *priv)
{
/* write to sw reset register */
@ -1109,6 +1036,79 @@ 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, PCH_CTRL_IE_SIE_EIE);
/* Appropriately setting them. */
pch_can_bit_set(&priv->regs->cont,
((priv->int_enables & PCH_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) & PCH_CTRL_IE_SIE_EIE) >> 1);
}
static u32 pch_can_get_rxtx_ir(struct pch_can_priv *priv, u32 buff_num,
enum pch_ifreg dir)
{
u32 ie, enable;
if (dir)
ie = PCH_IF_MCONT_RXIE;
else
ie = PCH_IF_MCONT_TXIE;
iowrite32(PCH_CMASK_RX_TX_GET, &priv->regs->ifregs[dir].cmask);
pch_can_check_if_busy(&priv->regs->ifregs[dir].creq, buff_num);
if (((ioread32(&priv->regs->ifregs[dir].id2)) & PCH_ID_MSGVAL) &&
((ioread32(&priv->regs->ifregs[dir].mcont)) & ie)) {
enable = 1;
} else {
enable = 0;
}
return enable;
}
static void pch_can_set_rx_buffer_link(struct pch_can_priv *priv,
u32 buffer_num, u32 set)
{
iowrite32(PCH_CMASK_RX_TX_GET, &priv->regs->ifregs[0].cmask);
pch_can_check_if_busy(&priv->regs->ifregs[0].creq, buffer_num);
iowrite32(PCH_CMASK_RDWR | PCH_CMASK_CTRL,
&priv->regs->ifregs[0].cmask);
if (set == PCH_ENABLE)
pch_can_bit_clear(&priv->regs->ifregs[0].mcont,
PCH_IF_MCONT_EOB);
else
pch_can_bit_set(&priv->regs->ifregs[0].mcont, PCH_IF_MCONT_EOB);
pch_can_check_if_busy(&priv->regs->ifregs[0].creq, buffer_num);
}
static void pch_can_get_rx_buffer_link(struct pch_can_priv *priv,
u32 buffer_num, u32 *link)
{
iowrite32(PCH_CMASK_RX_TX_GET, &priv->regs->ifregs[0].cmask);
pch_can_check_if_busy(&priv->regs->ifregs[0].creq, buffer_num);
if (ioread32(&priv->regs->ifregs[0].mcont) & PCH_IF_MCONT_EOB)
*link = PCH_DISABLE;
else
*link = PCH_ENABLE;
}
static int pch_can_get_buffer_status(struct pch_can_priv *priv)
{
return (ioread32(&priv->regs->treq1) & 0xffff) |
((ioread32(&priv->regs->treq2) & 0xffff) << 16);
}
static int pch_can_suspend(struct pci_dev *pdev, pm_message_t state)
{
int i; /* Counter variable. */