pch_can: Delete unnecessary/redundant code
Delete unnecessary/redundant code
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index da8d37bd..3540978 100644
--- a/drivers/net/can/pch_can.c
+++ b/drivers/net/can/pch_can.c
@@ -447,11 +447,6 @@
/* This function clears interrupt(s) from the CAN device. */
static void pch_can_int_clr(struct pch_can_priv *priv, u32 mask)
{
- if (mask == PCH_STATUS_INT) {
- ioread32(&priv->regs->stat);
- return;
- }
-
/* Clear interrupt for transmit object */
if ((mask >= PCH_RX_OBJ_START) && (mask <= PCH_RX_OBJ_END)) {
/* Setting CMASK for clearing the reception interrupts. */
@@ -512,8 +507,6 @@
state = CAN_STATE_BUS_OFF;
cf->can_id |= CAN_ERR_BUSOFF;
can_bus_off(ndev);
- pch_can_set_run_mode(priv, PCH_CAN_RUN);
- dev_err(&ndev->dev, "%s -> Bus Off occurres.\n", __func__);
}
errc = ioread32(&priv->regs->errc);
@@ -747,7 +740,7 @@
if (!int_stat)
goto end;
- if ((int_stat == PCH_STATUS_INT) && (quota > 0)) {
+ if (int_stat == PCH_STATUS_INT) {
reg_stat = ioread32(&priv->regs->stat);
if (reg_stat & (PCH_BUS_OFF | PCH_LEC_ALL)) {
if (reg_stat & PCH_BUS_OFF ||
@@ -933,10 +926,6 @@
priv->tx_obj++;
}
- /* Reading the Msg Obj from the Msg RAM to the Interface register. */
- iowrite32(PCH_CMASK_RX_TX_GET, &priv->regs->ifregs[1].cmask);
- pch_can_rw_msg_obj(&priv->regs->ifregs[1].creq, tx_obj_no);
-
/* Setting the CMASK register. */
pch_can_bit_set(&priv->regs->ifregs[1].cmask, PCH_CMASK_ALL);