summaryrefslogtreecommitdiffstats
path: root/drivers/net/can/c_can/c_can.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/can/c_can/c_can.c')
-rw-r--r--drivers/net/can/c_can/c_can.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 95e04e2002d..8e78bb48f5a 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -252,8 +252,7 @@ static void c_can_obj_update(struct net_device *dev, int iface, u32 cmd, u32 obj
struct c_can_priv *priv = netdev_priv(dev);
int cnt, reg = C_CAN_IFACE(COMREQ_REG, iface);
- priv->write_reg(priv, reg + 1, cmd);
- priv->write_reg(priv, reg, obj);
+ priv->write_reg32(priv, reg, (cmd << 16) | obj);
for (cnt = MIN_TIMEOUT_VALUE; cnt; cnt--) {
if (!(priv->read_reg(priv, reg) & IF_COMR_BUSY))
@@ -328,8 +327,7 @@ static void c_can_setup_tx_object(struct net_device *dev, int iface,
change_bit(idx, &priv->tx_dir);
}
- priv->write_reg(priv, C_CAN_IFACE(ARB1_REG, iface), arb);
- priv->write_reg(priv, C_CAN_IFACE(ARB2_REG, iface), arb >> 16);
+ priv->write_reg32(priv, C_CAN_IFACE(ARB1_REG, iface), arb);
priv->write_reg(priv, C_CAN_IFACE(MSGCTRL_REG, iface), ctrl);
@@ -391,8 +389,7 @@ static int c_can_read_msg_object(struct net_device *dev, int iface, u32 ctrl)
frame->can_dlc = get_can_dlc(ctrl & 0x0F);
- arb = priv->read_reg(priv, C_CAN_IFACE(ARB1_REG, iface));
- arb |= priv->read_reg(priv, C_CAN_IFACE(ARB2_REG, iface)) << 16;
+ arb = priv->read_reg32(priv, C_CAN_IFACE(ARB1_REG, iface));
if (arb & IF_ARB_MSGXTD)
frame->can_id = (arb & CAN_EFF_MASK) | CAN_EFF_FLAG;
@@ -424,12 +421,10 @@ static void c_can_setup_receive_object(struct net_device *dev, int iface,
struct c_can_priv *priv = netdev_priv(dev);
mask |= BIT(29);
- priv->write_reg(priv, C_CAN_IFACE(MASK1_REG, iface), mask);
- priv->write_reg(priv, C_CAN_IFACE(MASK2_REG, iface), mask >> 16);
+ priv->write_reg32(priv, C_CAN_IFACE(MASK1_REG, iface), mask);
id |= IF_ARB_MSGVAL;
- priv->write_reg(priv, C_CAN_IFACE(ARB1_REG, iface), id);
- priv->write_reg(priv, C_CAN_IFACE(ARB2_REG, iface), id >> 16);
+ priv->write_reg32(priv, C_CAN_IFACE(ARB1_REG, iface), id);
priv->write_reg(priv, C_CAN_IFACE(MSGCTRL_REG, iface), mcont);
c_can_object_put(dev, iface, obj, IF_COMM_RCV_SETUP);