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pch_can: Change functions type

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Currently, these two functions spec(returned value) is unnatural.
Thus, change the return value's spec

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 20:24:13 +00:00 committed by David S. Miller
parent bd58cbc322
commit ca2b004e89
1 changed files with 10 additions and 8 deletions
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18
drivers/net/can/pch_can.c
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@ -1025,10 +1025,10 @@ 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,
@ -1069,16 +1069,18 @@ static void pch_can_set_rx_buffer_link(struct pch_can_priv *priv,
pch_can_rw_msg_obj(&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)
static u32 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_rw_msg_obj(&priv->regs->ifregs[0].creq, buffer_num);
if (ioread32(&priv->regs->ifregs[0].mcont) & PCH_IF_MCONT_EOB)
*link = 0;
link = 0;
else
*link = 1;
link = 1;
return link;
}
static int pch_can_get_buffer_status(struct pch_can_priv *priv)
@ -1115,7 +1117,7 @@ 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 */
@ -1128,7 +1130,7 @@ static int pch_can_suspend(struct pci_dev *pdev, pm_message_t state)
/* Save Rx buffer enable state */
for (i = PCH_RX_OBJ_START; i <= PCH_RX_OBJ_END; i++) {
priv->rx_enable[i] = pch_can_get_rxtx_ir(priv, i, PCH_RX_IFREG);
pch_can_get_rx_buffer_link(priv, i, &priv->rx_link[i]);
priv->rx_link[i] = pch_can_get_rx_buffer_link(priv, i);
}
/* Disable all Receive buffers */