@@ -184,8 +184,7 @@ static inline void write_zsdata(struct z8530_channel *c, u8 val)
/* Register loading parameters for a dead port
*/
-u8 z8530_dead_port[] =
-{
+u8 z8530_dead_port[] = {
255
};
EXPORT_SYMBOL(z8530_dead_port);
@@ -197,8 +196,7 @@ EXPORT_SYMBOL(z8530_dead_port);
* "kilostream" service, and most other similar services.
*/
-u8 z8530_hdlc_kilostream[] =
-{
+u8 z8530_hdlc_kilostream[] = {
4, SYNC_ENAB | SDLC | X1CLK,
2, 0, /* No vector */
1, 0,
@@ -220,8 +218,7 @@ EXPORT_SYMBOL(z8530_hdlc_kilostream);
/* As above but for enhanced chips.
*/
-u8 z8530_hdlc_kilostream_85230[] =
-{
+u8 z8530_hdlc_kilostream_85230[] = {
4, SYNC_ENAB | SDLC | X1CLK,
2, 0, /* No vector */
1, 0,
@@ -260,8 +257,7 @@ static void z8530_flush_fifo(struct z8530_channel *c)
read_zsreg(c, R1);
read_zsreg(c, R1);
read_zsreg(c, R1);
- if (c->dev->type == Z85230)
- {
+ if (c->dev->type == Z85230) {
read_zsreg(c, R1);
read_zsreg(c, R1);
read_zsreg(c, R1);
@@ -317,8 +313,7 @@ static void z8530_rx(struct z8530_channel *c)
{
u8 ch, stat;
- while (1)
- {
+ while (1) {
/* FIFO empty ? */
if (!(read_zsreg(c, R0) & 1))
break;
@@ -327,29 +322,24 @@ static void z8530_rx(struct z8530_channel *c)
/* Overrun ?
*/
- if (c->count < c->max)
- {
+ if (c->count < c->max) {
*c->dptr++ = ch;
c->count++;
}
- if (stat & END_FR)
- {
+ if (stat & END_FR) {
/* Error ?
*/
- if (stat & (Rx_OVR | CRC_ERR))
- {
+ if (stat & (Rx_OVR | CRC_ERR)) {
/* Rewind the buffer and return */
if (c->skb)
c->dptr = c->skb->data;
c->count = 0;
- if (stat & Rx_OVR)
- {
+ if (stat & Rx_OVR) {
pr_warn("%s: overrun\n", c->dev->name);
c->rx_overrun++;
}
- if (stat & CRC_ERR)
- {
+ if (stat & CRC_ERR) {
c->rx_crc_err++;
/* printk("crc error\n"); */
}
@@ -391,8 +381,7 @@ static void z8530_tx(struct z8530_channel *c)
write_zsreg(c, R8, *c->tx_ptr++);
write_zsctrl(c, RES_H_IUS);
/* We are about to underflow */
- if (c->txcount == 0)
- {
+ if (c->txcount == 0) {
write_zsctrl(c, RES_EOM_L);
write_zsreg(c, R10, c->regs[10] & ~ABUNDER);
}
@@ -433,8 +422,7 @@ static void z8530_status(struct z8530_channel *chan)
z8530_tx_done(chan);
}
- if (altered & chan->dcdcheck)
- {
+ if (altered & chan->dcdcheck) {
if (status & chan->dcdcheck) {
pr_info("%s: DCD raised\n", chan->dev->name);
write_zsreg(chan, R3, chan->regs[3] | RxENABLE);
@@ -471,8 +459,7 @@ EXPORT_SYMBOL(z8530_sync);
static void z8530_dma_rx(struct z8530_channel *chan)
{
- if (chan->rxdma_on)
- {
+ if (chan->rxdma_on) {
/* Special condition check only */
u8 status;
@@ -501,8 +488,7 @@ static void z8530_dma_rx(struct z8530_channel *chan)
*/
static void z8530_dma_tx(struct z8530_channel *chan)
{
- if (!chan->dma_tx)
- {
+ if (!chan->dma_tx) {
pr_warn("Hey who turned the DMA off?\n");
z8530_tx(chan);
return;
@@ -530,10 +516,8 @@ static void z8530_dma_status(struct z8530_channel *chan)
chan->status = status;
- if (chan->dma_tx)
- {
- if (status & TxEOM)
- {
+ if (chan->dma_tx) {
+ if (status & TxEOM) {
unsigned long flags;
flags = claim_dma_lock();
@@ -545,8 +529,7 @@ static void z8530_dma_status(struct z8530_channel *chan)
}
}
- if (altered & chan->dcdcheck)
- {
+ if (altered & chan->dcdcheck) {
if (status & chan->dcdcheck) {
pr_info("%s: DCD raised\n", chan->dev->name);
write_zsreg(chan, R3, chan->regs[3] | RxENABLE);
@@ -668,8 +651,7 @@ irqreturn_t z8530_interrupt(int irq, void *dev_id)
int work = 0;
struct z8530_irqhandler *irqs;
- if (locker)
- {
+ if (locker) {
pr_err("IRQ re-enter\n");
return IRQ_NONE;
}
@@ -677,8 +659,7 @@ irqreturn_t z8530_interrupt(int irq, void *dev_id)
spin_lock(&dev->lock);
- while (++work < 5000)
- {
+ while (++work < 5000) {
intr = read_zsreg(&dev->chanA, R3);
if (!(intr &
(CHARxIP | CHATxIP | CHAEXT | CHBRxIP | CHBTxIP | CHBEXT)))
@@ -694,8 +675,7 @@ irqreturn_t z8530_interrupt(int irq, void *dev_id)
irqs = dev->chanA.irqs;
- if (intr & (CHARxIP | CHATxIP | CHAEXT))
- {
+ if (intr & (CHARxIP | CHATxIP | CHAEXT)) {
if (intr & CHARxIP)
irqs->rx(&dev->chanA);
if (intr & CHATxIP)
@@ -706,8 +686,7 @@ irqreturn_t z8530_interrupt(int irq, void *dev_id)
irqs = dev->chanB.irqs;
- if (intr & (CHBRxIP | CHBTxIP | CHBEXT))
- {
+ if (intr & (CHBRxIP | CHBTxIP | CHBEXT)) {
if (intr & CHBRxIP)
irqs->rx(&dev->chanB);
if (intr & CHBTxIP)
@@ -726,8 +705,7 @@ irqreturn_t z8530_interrupt(int irq, void *dev_id)
}
EXPORT_SYMBOL(z8530_interrupt);
-static const u8 reg_init[16] =
-{
+static const u8 reg_init[16] = {
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
@@ -834,8 +812,7 @@ int z8530_sync_dma_open(struct net_device *dev, struct z8530_channel *c)
c->rx_buf[1] = c->rx_buf[0] + PAGE_SIZE / 2;
c->tx_dma_buf[0] = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
- if (!c->tx_dma_buf[0])
- {
+ if (!c->tx_dma_buf[0]) {
free_page((unsigned long)c->rx_buf[0]);
c->rx_buf[0] = NULL;
return -ENOBUFS;
@@ -957,13 +934,11 @@ int z8530_sync_dma_close(struct net_device *dev, struct z8530_channel *c)
c->regs[R14] &= ~DTRREQ;
write_zsreg(c, R14, c->regs[R14]);
- if (c->rx_buf[0])
- {
+ if (c->rx_buf[0]) {
free_page((unsigned long)c->rx_buf[0]);
c->rx_buf[0] = NULL;
}
- if (c->tx_dma_buf[0])
- {
+ if (c->tx_dma_buf[0]) {
free_page((unsigned long)c->tx_dma_buf[0]);
c->tx_dma_buf[0] = NULL;
}
@@ -1113,8 +1088,7 @@ int z8530_sync_txdma_close(struct net_device *dev, struct z8530_channel *c)
c->regs[R14] &= ~DTRREQ;
write_zsreg(c, R14, c->regs[R14]);
- if (c->tx_dma_buf[0])
- {
+ if (c->tx_dma_buf[0]) {
free_page((unsigned long)c->tx_dma_buf[0]);
c->tx_dma_buf[0] = NULL;
}
@@ -1192,8 +1166,7 @@ static inline int do_z8530_init(struct z8530_dev *dev)
* the chip is enhanced.
*/
- if (read_zsreg(&dev->chanA, R15) == 0x01)
- {
+ if (read_zsreg(&dev->chanA, R15) == 0x01) {
/* This C30 versus 230 detect is from Klaus Kudielka's dmascc */
/* Put a char in the fifo */
write_zsreg(&dev->chanA, R8, 0);
@@ -1297,8 +1270,7 @@ int z8530_channel_load(struct z8530_channel *c, u8 *rtable)
spin_lock_irqsave(c->lock, flags);
- while (*rtable != 255)
- {
+ while (*rtable != 255) {
int reg = *rtable++;
if (reg > 0x0F)
@@ -1349,17 +1321,14 @@ static void z8530_tx_begin(struct z8530_channel *c)
c->tx_next_skb = NULL;
c->tx_ptr = c->tx_next_ptr;
- if (!c->tx_skb)
- {
+ if (!c->tx_skb) {
/* Idle on */
- if (c->dma_tx)
- {
+ if (c->dma_tx) {
flags = claim_dma_lock();
disable_dma(c->txdma);
/* Check if we crapped out.
*/
- if (get_dma_residue(c->txdma))
- {
+ if (get_dma_residue(c->txdma)) {
c->netdevice->stats.tx_dropped++;
c->netdevice->stats.tx_fifo_errors++;
}
@@ -1369,8 +1338,7 @@ static void z8530_tx_begin(struct z8530_channel *c)
} else {
c->txcount = c->tx_skb->len;
- if (c->dma_tx)
- {
+ if (c->dma_tx) {
/* FIXME. DMA is broken for the original 8530,
* on the older parts we need to set a flag and
* wait for a further TX interrupt to fire this
@@ -1383,8 +1351,7 @@ static void z8530_tx_begin(struct z8530_channel *c)
/* These two are needed by the 8530/85C30
* and must be issued when idling.
*/
- if (c->dev->type != Z85230)
- {
+ if (c->dev->type != Z85230) {
write_zsctrl(c, RES_Tx_CRC);
write_zsctrl(c, RES_EOM_L);
}
@@ -1472,8 +1439,7 @@ static void z8530_rx_done(struct z8530_channel *c)
/* Is our receive engine in DMA mode
*/
- if (c->rxdma_on)
- {
+ if (c->rxdma_on) {
/* Save the ready state and the buffer currently
* being used as the DMA target
*/
@@ -1497,8 +1463,7 @@ static void z8530_rx_done(struct z8530_channel *c)
* into it immediately.
*/
- if (ready)
- {
+ if (ready) {
c->dma_num ^= 1;
set_dma_mode(c->rxdma, DMA_MODE_READ | 0x10);
set_dma_addr(c->rxdma, virt_to_bus(c->rx_buf[c->dma_num]));
@@ -1630,8 +1595,7 @@ netdev_tx_t z8530_queue_xmit(struct z8530_channel *c, struct sk_buff *skb)
if (c->dma_tx &&
((unsigned long)(virt_to_bus(skb->data + skb->len)) >=
- 16 * 1024 * 1024 || spans_boundary(skb)))
- {
+ 16 * 1024 * 1024 || spans_boundary(skb))) {
/* Send the flip buffer, and flip the flippy bit.
* We don't care which is used when just so long as
* we never use the same buffer twice in a row. Since