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authorFinn Thain <fthain@telegraphics.com.au>2009-11-04 00:40:23 +1100
committerGeert Uytterhoeven <geert@linux-m68k.org>2010-02-27 18:28:37 +0100
commit1f7b5fff505232521a7a770a639b63cd17636549 (patch)
treed1550de0c66883a050bc46ec2ba70608e9cc9a02 /drivers/serial
parent2724daf439d9f4e9f25c9fb8de8602ba61758478 (diff)
downloadop-kernel-dev-1f7b5fff505232521a7a770a639b63cd17636549.zip
op-kernel-dev-1f7b5fff505232521a7a770a639b63cd17636549.tar.gz
pmac-zilog: cleanup
Whitespace cleanups and comment typo fix. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/pmac_zilog.c85
-rw-r--r--drivers/serial/pmac_zilog.h20
2 files changed, 51 insertions, 54 deletions
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 3e2ae48..1c8afd9 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -153,8 +153,8 @@ static void pmz_load_zsregs(struct uart_pmac_port *uap, u8 *regs)
write_zsreg(uap, R10, regs[R10]);
/* Set TX/RX controls sans the enable bits. */
- write_zsreg(uap, R3, regs[R3] & ~RxENABLE);
- write_zsreg(uap, R5, regs[R5] & ~TxENABLE);
+ write_zsreg(uap, R3, regs[R3] & ~RxENABLE);
+ write_zsreg(uap, R5, regs[R5] & ~TxENABLE);
/* now set R7 "prime" on ESCC */
write_zsreg(uap, R15, regs[R15] | EN85C30);
@@ -205,7 +205,7 @@ static void pmz_load_zsregs(struct uart_pmac_port *uap, u8 *regs)
*/
static void pmz_maybe_update_regs(struct uart_pmac_port *uap)
{
- if (!ZS_REGS_HELD(uap)) {
+ if (!ZS_REGS_HELD(uap)) {
if (ZS_TX_ACTIVE(uap)) {
uap->flags |= PMACZILOG_FLAG_REGS_HELD;
} else {
@@ -281,7 +281,7 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap)
spin_lock(&uap->port.lock);
if (swallow)
goto next_char;
- }
+ }
#endif /* CONFIG_MAGIC_SYSRQ && CONFIG_SERIAL_CORE_CONSOLE */
/* A real serial line, record the character and status. */
@@ -317,7 +317,7 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap)
if (uap->port.ignore_status_mask == 0xff ||
(r1 & uap->port.ignore_status_mask) == 0) {
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(tty, ch, flag);
}
if (r1 & Rx_OVR)
tty_insert_flip_char(tty, 0, TTY_OVERRUN);
@@ -470,47 +470,47 @@ static irqreturn_t pmz_interrupt(int irq, void *dev_id)
uap_a = pmz_get_port_A(uap);
uap_b = uap_a->mate;
-
- spin_lock(&uap_a->port.lock);
+
+ spin_lock(&uap_a->port.lock);
r3 = read_zsreg(uap_a, R3);
#ifdef DEBUG_HARD
pmz_debug("irq, r3: %x\n", r3);
#endif
- /* Channel A */
+ /* Channel A */
tty = NULL;
- if (r3 & (CHAEXT | CHATxIP | CHARxIP)) {
+ if (r3 & (CHAEXT | CHATxIP | CHARxIP)) {
write_zsreg(uap_a, R0, RES_H_IUS);
zssync(uap_a);
- if (r3 & CHAEXT)
- pmz_status_handle(uap_a);
+ if (r3 & CHAEXT)
+ pmz_status_handle(uap_a);
if (r3 & CHARxIP)
tty = pmz_receive_chars(uap_a);
- if (r3 & CHATxIP)
- pmz_transmit_chars(uap_a);
- rc = IRQ_HANDLED;
- }
- spin_unlock(&uap_a->port.lock);
+ if (r3 & CHATxIP)
+ pmz_transmit_chars(uap_a);
+ rc = IRQ_HANDLED;
+ }
+ spin_unlock(&uap_a->port.lock);
if (tty != NULL)
tty_flip_buffer_push(tty);
if (uap_b->node == NULL)
goto out;
- spin_lock(&uap_b->port.lock);
+ spin_lock(&uap_b->port.lock);
tty = NULL;
if (r3 & (CHBEXT | CHBTxIP | CHBRxIP)) {
write_zsreg(uap_b, R0, RES_H_IUS);
zssync(uap_b);
- if (r3 & CHBEXT)
- pmz_status_handle(uap_b);
- if (r3 & CHBRxIP)
- tty = pmz_receive_chars(uap_b);
- if (r3 & CHBTxIP)
- pmz_transmit_chars(uap_b);
- rc = IRQ_HANDLED;
- }
- spin_unlock(&uap_b->port.lock);
+ if (r3 & CHBEXT)
+ pmz_status_handle(uap_b);
+ if (r3 & CHBRxIP)
+ tty = pmz_receive_chars(uap_b);
+ if (r3 & CHBTxIP)
+ pmz_transmit_chars(uap_b);
+ rc = IRQ_HANDLED;
+ }
+ spin_unlock(&uap_b->port.lock);
if (tty != NULL)
tty_flip_buffer_push(tty);
@@ -718,7 +718,7 @@ static void pmz_enable_ms(struct uart_port *port)
if (ZS_IS_ASLEEP(uap))
return;
- /* NOTE: Not subject to 'transmitter active' rule. */
+ /* NOTE: Not subject to 'transmitter active' rule. */
write_zsreg(uap, R15, uap->curregs[R15]);
}
}
@@ -748,7 +748,7 @@ static void pmz_break_ctl(struct uart_port *port, int break_state)
if (new_reg != uap->curregs[R5]) {
uap->curregs[R5] = new_reg;
- /* NOTE: Not subject to 'transmitter active' rule. */
+ /* NOTE: Not subject to 'transmitter active' rule. */
if (ZS_IS_ASLEEP(uap))
return;
write_zsreg(uap, R5, uap->curregs[R5]);
@@ -908,7 +908,6 @@ static int __pmz_startup(struct uart_pmac_port *uap)
/* Remember status for DCD/CTS changes */
uap->prev_status = read_zsreg(uap, R0);
-
return pwr_delay;
}
@@ -983,7 +982,7 @@ static int pmz_startup(struct uart_port *port)
if (!ZS_IS_EXTCLK(uap))
uap->curregs[R1] |= EXT_INT_ENAB;
write_zsreg(uap, R1, uap->curregs[R1]);
- spin_unlock_irqrestore(&port->lock, flags);
+ spin_unlock_irqrestore(&port->lock, flags);
pmz_debug("pmz: startup() done.\n");
@@ -1003,7 +1002,7 @@ static void pmz_shutdown(struct uart_port *port)
mutex_lock(&pmz_irq_mutex);
/* Release interrupt handler */
- free_irq(uap->port.irq, uap);
+ free_irq(uap->port.irq, uap);
spin_lock_irqsave(&port->lock, flags);
@@ -1051,7 +1050,6 @@ static void pmz_convert_to_zs(struct uart_pmac_port *uap, unsigned int cflag,
{
int brg;
-
/* Switch to external clocking for IrDA high clock rates. That
* code could be re-used for Midi interfaces with different
* multipliers
@@ -1223,12 +1221,12 @@ static void pmz_irda_setup(struct uart_pmac_port *uap, unsigned long *baud)
uap->curregs[R5] |= DTR;
write_zsreg(uap, R5, uap->curregs[R5]);
zssync(uap);
- mdelay(1);
+ mdelay(1);
/* Switch SCC to 19200 */
pmz_convert_to_zs(uap, CS8, 0, 19200);
pmz_load_zsregs(uap, uap->curregs);
- mdelay(1);
+ mdelay(1);
/* Write get_version command byte */
write_zsdata(uap, 1);
@@ -1463,7 +1461,7 @@ static int __init pmz_init_port(struct uart_pmac_port *uap)
return -ENODEV;
uap->port.mapbase = r_ports.start;
uap->port.membase = ioremap(uap->port.mapbase, 0x1000);
-
+
uap->control_reg = uap->port.membase;
uap->data_reg = uap->control_reg + 0x10;
@@ -1590,7 +1588,7 @@ static void pmz_dispose_port(struct uart_pmac_port *uap)
}
/*
- * Called upon match with an escc node in the devive-tree.
+ * Called upon match with an escc node in the device-tree.
*/
static int pmz_attach(struct macio_dev *mdev, const struct of_device_id *match)
{
@@ -1812,7 +1810,7 @@ static int __init pmz_probe(void)
pmz_ports[count].node = node_a;
pmz_ports[count+1].node = node_b;
pmz_ports[count].port.line = count;
- pmz_ports[count+1].port.line = count+1;
+ pmz_ports[count+1].port.line = count+1;
/*
* Setup the ports for real
@@ -1899,23 +1897,22 @@ err_out:
static struct of_device_id pmz_match[] =
{
{
- .name = "ch-a",
+ .name = "ch-a",
},
{
- .name = "ch-b",
+ .name = "ch-b",
},
{},
};
MODULE_DEVICE_TABLE (of, pmz_match);
-static struct macio_driver pmz_driver =
-{
+static struct macio_driver pmz_driver = {
.name = "pmac_zilog",
.match_table = pmz_match,
.probe = pmz_attach,
.remove = pmz_detach,
.suspend = pmz_suspend,
- .resume = pmz_resume,
+ .resume = pmz_resume,
};
static int __init init_pmz(void)
@@ -1952,7 +1949,7 @@ static int __init init_pmz(void)
pmz_dispose_port(&pmz_ports[i]);
return rc;
}
-
+
/*
* Then we register the macio driver itself
*/
@@ -2034,7 +2031,7 @@ static int __init pmz_console_setup(struct console *co, char *options)
if (of_machine_is_compatible("RackMac1,1")
|| of_machine_is_compatible("RackMac1,2")
|| of_machine_is_compatible("MacRISC4"))
- baud = 57600;
+ baud = 57600;
/*
* Check whether an invalid uart number has been specified, and
diff --git a/drivers/serial/pmac_zilog.h b/drivers/serial/pmac_zilog.h
index f6e77f1..f18c426 100644
--- a/drivers/serial/pmac_zilog.h
+++ b/drivers/serial/pmac_zilog.h
@@ -1,7 +1,7 @@
#ifndef __PMAC_ZILOG_H__
#define __PMAC_ZILOG_H__
-#define pmz_debug(fmt,arg...) dev_dbg(&uap->dev->ofdev.dev, fmt, ## arg)
+#define pmz_debug(fmt, arg...) dev_dbg(&uap->dev->ofdev.dev, fmt, ## arg)
/*
* At most 2 ESCCs with 2 ports each
@@ -113,7 +113,7 @@ static inline void zssync(struct uart_pmac_port *port)
#define BRG_TO_BPS(brg, freq) ((freq) / 2 / ((brg) + 2))
#define BPS_TO_BRG(bps, freq) ((((freq) + (bps)) / (2 * (bps))) - 2)
-#define ZS_CLOCK 3686400 /* Z8530 RTxC input clock rate */
+#define ZS_CLOCK 3686400 /* Z8530 RTxC input clock rate */
/* The Zilog register set */
@@ -171,7 +171,7 @@ static inline void zssync(struct uart_pmac_port *port)
/* Write Register 3 */
-#define RxENABLE 0x1 /* Rx Enable */
+#define RxENABLE 0x1 /* Rx Enable */
#define SYNC_L_INH 0x2 /* Sync Character Load Inhibit */
#define ADD_SM 0x4 /* Address Search Mode (SDLC) */
#define RxCRC_ENAB 0x8 /* Rx CRC Enable */
@@ -185,7 +185,7 @@ static inline void zssync(struct uart_pmac_port *port)
/* Write Register 4 */
-#define PAR_ENAB 0x1 /* Parity Enable */
+#define PAR_ENAB 0x1 /* Parity Enable */
#define PAR_EVEN 0x2 /* Parity Even/Odd* */
#define SYNC_ENAB 0 /* Sync Modes Enable */
@@ -210,7 +210,7 @@ static inline void zssync(struct uart_pmac_port *port)
#define TxCRC_ENAB 0x1 /* Tx CRC Enable */
#define RTS 0x2 /* RTS */
#define SDLC_CRC 0x4 /* SDLC/CRC-16 */
-#define TxENABLE 0x8 /* Tx Enable */
+#define TxENABLE 0x8 /* Tx Enable */
#define SND_BRK 0x10 /* Send Break */
#define Tx5 0x0 /* Tx 5 bits (or less)/character */
#define Tx7 0x20 /* Tx 7 bits/character */
@@ -372,11 +372,11 @@ static inline void zssync(struct uart_pmac_port *port)
#define ZS_TX_ACTIVE(UP) ((UP)->flags & PMACZILOG_FLAG_TX_ACTIVE)
#define ZS_WANTS_MODEM_STATUS(UP) ((UP)->flags & PMACZILOG_FLAG_MODEM_STATUS)
#define ZS_IS_IRDA(UP) ((UP)->flags & PMACZILOG_FLAG_IS_IRDA)
-#define ZS_IS_INTMODEM(UP) ((UP)->flags & PMACZILOG_FLAG_IS_INTMODEM)
+#define ZS_IS_INTMODEM(UP) ((UP)->flags & PMACZILOG_FLAG_IS_INTMODEM)
#define ZS_HAS_DMA(UP) ((UP)->flags & PMACZILOG_FLAG_HAS_DMA)
-#define ZS_IS_ASLEEP(UP) ((UP)->flags & PMACZILOG_FLAG_IS_ASLEEP)
-#define ZS_IS_OPEN(UP) ((UP)->flags & PMACZILOG_FLAG_IS_OPEN)
-#define ZS_IS_IRQ_ON(UP) ((UP)->flags & PMACZILOG_FLAG_IS_IRQ_ON)
-#define ZS_IS_EXTCLK(UP) ((UP)->flags & PMACZILOG_FLAG_IS_EXTCLK)
+#define ZS_IS_ASLEEP(UP) ((UP)->flags & PMACZILOG_FLAG_IS_ASLEEP)
+#define ZS_IS_OPEN(UP) ((UP)->flags & PMACZILOG_FLAG_IS_OPEN)
+#define ZS_IS_IRQ_ON(UP) ((UP)->flags & PMACZILOG_FLAG_IS_IRQ_ON)
+#define ZS_IS_EXTCLK(UP) ((UP)->flags & PMACZILOG_FLAG_IS_EXTCLK)
#endif /* __PMAC_ZILOG_H__ */
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