pch_can: Fix coding rule violation
authorTomoya <tomoya-linux@dsn.okisemi.com>
Sun, 12 Dec 2010 20:24:17 +0000 (20:24 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 13 Dec 2010 20:24:23 +0000 (12:24 -0800)
Fix coding rule violation.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/can/pch_can.c

index 0093a01fefda336cf8b638d6a6d04d081b5b62c3..da8d37bd02b1ddd794c5553dd501e0b17022441d 100644 (file)
 
 #define PCH_CAN_CLK            50000000        /* 50MHz */
 
-/* Define the number of message object.
+/*
+ * Define the number of message object.
  * PCH CAN communications are done via Message RAM.
- * The Message RAM consists of 32 message objects. */
+ * The Message RAM consists of 32 message objects.
+ */
 #define PCH_RX_OBJ_NUM         26
 #define PCH_TX_OBJ_NUM         6
 #define PCH_RX_OBJ_START       1
@@ -126,7 +128,7 @@ enum pch_can_mode {
        PCH_CAN_ALL,
        PCH_CAN_NONE,
        PCH_CAN_STOP,
-       PCH_CAN_RUN
+       PCH_CAN_RUN,
 };
 
 struct pch_can_if_regs {
@@ -290,21 +292,20 @@ static void pch_can_set_rxtx(struct pch_can_priv *priv, u32 buff_num,
        else
                ie = PCH_IF_MCONT_RXIE;
 
-       /* Reading the receive buffer data from RAM to Interface1 registers */
+       /* Reading the receive buffer data from RAM to Interface1/2 registers */
        iowrite32(PCH_CMASK_RX_TX_GET, &priv->regs->ifregs[dir].cmask);
        pch_can_rw_msg_obj(&priv->regs->ifregs[dir].creq, buff_num);
 
-       /* Setting the IF1MASK1 register to access MsgVal and RxIE bits */
+       /* Setting the IF1/2MASK1 register to access MsgVal and RxIE bits */
        iowrite32(PCH_CMASK_RDWR | PCH_CMASK_ARB | PCH_CMASK_CTRL,
                  &priv->regs->ifregs[dir].cmask);
 
        if (set) {
-               /* Setting the MsgVal and RxIE bits */
+               /* Setting the MsgVal and RxIE/TxIE bits */
                pch_can_bit_set(&priv->regs->ifregs[dir].mcont, ie);
                pch_can_bit_set(&priv->regs->ifregs[dir].id2, PCH_ID_MSGVAL);
-
        } else {
-               /* Resetting the MsgVal and RxIE bits */
+               /* Clearing the MsgVal and RxIE/TxIE bits */
                pch_can_bit_clear(&priv->regs->ifregs[dir].mcont, ie);
                pch_can_bit_clear(&priv->regs->ifregs[dir].id2, PCH_ID_MSGVAL);
        }
@@ -362,8 +363,7 @@ static void pch_can_config_rx_tx_buffers(struct pch_can_priv *priv)
        int i;
 
        for (i = PCH_RX_OBJ_START; i <= PCH_RX_OBJ_END; i++) {
-               iowrite32(PCH_CMASK_RX_TX_GET,
-                       &priv->regs->ifregs[0].cmask);
+               iowrite32(PCH_CMASK_RX_TX_GET, &priv->regs->ifregs[0].cmask);
                pch_can_rw_msg_obj(&priv->regs->ifregs[0].creq, i);
 
                iowrite32(0x0, &priv->regs->ifregs[0].id1);
@@ -385,16 +385,14 @@ static void pch_can_config_rx_tx_buffers(struct pch_can_priv *priv)
                                  0x1fff | PCH_MASK2_MDIR_MXTD);
 
                /* Setting CMASK for writing */
-               iowrite32(PCH_CMASK_RDWR | PCH_CMASK_MASK |
-                         PCH_CMASK_ARB | PCH_CMASK_CTRL,
-                         &priv->regs->ifregs[0].cmask);
+               iowrite32(PCH_CMASK_RDWR | PCH_CMASK_MASK | PCH_CMASK_ARB |
+                         PCH_CMASK_CTRL, &priv->regs->ifregs[0].cmask);
 
                pch_can_rw_msg_obj(&priv->regs->ifregs[0].creq, i);
        }
 
        for (i = PCH_TX_OBJ_START; i <= PCH_TX_OBJ_END; i++) {
-               iowrite32(PCH_CMASK_RX_TX_GET,
-                       &priv->regs->ifregs[1].cmask);
+               iowrite32(PCH_CMASK_RX_TX_GET, &priv->regs->ifregs[1].cmask);
                pch_can_rw_msg_obj(&priv->regs->ifregs[1].creq, i);
 
                /* Resetting DIR bit for reception */
@@ -409,9 +407,8 @@ static void pch_can_config_rx_tx_buffers(struct pch_can_priv *priv)
                pch_can_bit_clear(&priv->regs->ifregs[1].mask2, 0x1fff);
 
                /* Setting CMASK for writing */
-               iowrite32(PCH_CMASK_RDWR | PCH_CMASK_MASK |
-                         PCH_CMASK_ARB | PCH_CMASK_CTRL,
-                         &priv->regs->ifregs[1].cmask);
+               iowrite32(PCH_CMASK_RDWR | PCH_CMASK_MASK | PCH_CMASK_ARB |
+                         PCH_CMASK_CTRL, &priv->regs->ifregs[1].cmask);
 
                pch_can_rw_msg_obj(&priv->regs->ifregs[1].creq, i);
        }
@@ -470,8 +467,9 @@ static void pch_can_int_clr(struct pch_can_priv *priv, u32 mask)
 
                pch_can_rw_msg_obj(&priv->regs->ifregs[0].creq, mask);
        } else if ((mask >= PCH_TX_OBJ_START) && (mask <= PCH_TX_OBJ_END)) {
-               /* Setting CMASK for clearing interrupts for
-                                        frame transmission. */
+               /*
+                * Setting CMASK for clearing interrupts for frame transmission.
+                */
                iowrite32(PCH_CMASK_RDWR | PCH_CMASK_CTRL | PCH_CMASK_ARB,
                          &priv->regs->ifregs[1].cmask);
 
@@ -590,7 +588,6 @@ static irqreturn_t pch_can_interrupt(int irq, void *dev_id)
        struct pch_can_priv *priv = netdev_priv(ndev);
 
        pch_can_set_int_enables(priv, PCH_CAN_NONE);
-
        napi_schedule(&priv->napi);
 
        return IRQ_HANDLED;
@@ -1031,11 +1028,11 @@ static u32 pch_can_get_rxtx_ir(struct pch_can_priv *priv, u32 buff_num,
        pch_can_rw_msg_obj(&priv->regs->ifregs[dir].creq, buff_num);
 
        if (((ioread32(&priv->regs->ifregs[dir].id2)) & PCH_ID_MSGVAL) &&
-                       ((ioread32(&priv->regs->ifregs[dir].mcont)) & ie)) {
+                       ((ioread32(&priv->regs->ifregs[dir].mcont)) & ie))
                enable = 1;
-       } else {
+       else
                enable = 0;
-       }
+
        return enable;
 }