diff options
Diffstat (limited to 'drivers/net/can/pch_can.c')
| -rw-r--r-- | drivers/net/can/pch_can.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c index dd9ce16635b3..c6c0842aeb75 100644 --- a/drivers/net/can/pch_can.c +++ b/drivers/net/can/pch_can.c @@ -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 */ |