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path: root/drivers/serial/sunsu.c
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Diffstat (limited to 'drivers/serial/sunsu.c')
-rw-r--r--drivers/serial/sunsu.c55
1 files changed, 24 insertions, 31 deletions
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 3087045..7fc3d3b 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -299,13 +299,10 @@ static void sunsu_start_tx(struct uart_port *port)
static void sunsu_stop_rx(struct uart_port *port)
{
struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
- unsigned long flags;
- spin_lock_irqsave(&up->port.lock, flags);
up->ier &= ~UART_IER_RLSI;
up->port.read_status_mask &= ~UART_LSR_DR;
serial_out(up, UART_IER, up->ier);
- spin_unlock_irqrestore(&up->port.lock, flags);
}
static void sunsu_enable_ms(struct uart_port *port)
@@ -1283,6 +1280,7 @@ static int __init sunsu_kbd_ms_init(struct uart_sunsu_port *up, int channel)
struct serio *serio;
#endif
+ spin_lock_init(&up->port.lock);
up->port.line = channel;
up->port.type = PORT_UNKNOWN;
up->port.uartclk = (SU_BASE_BAUD * 16);
@@ -1379,6 +1377,14 @@ static __inline__ void wait_for_xmitr(struct uart_sunsu_port *up)
}
}
+static void sunsu_console_putchar(struct uart_port *port, int ch)
+{
+ struct uart_sunsu_port *up = (struct uart_sunsu_port *)port;
+
+ wait_for_xmitr(up);
+ serial_out(up, UART_TX, ch);
+}
+
/*
* Print a string to the serial port trying not to disturb
* any possible real use of the port...
@@ -1388,7 +1394,6 @@ static void sunsu_console_write(struct console *co, const char *s,
{
struct uart_sunsu_port *up = &sunsu_ports[co->index];
unsigned int ier;
- int i;
/*
* First save the UER then disable the interrupts
@@ -1396,22 +1401,7 @@ static void sunsu_console_write(struct console *co, const char *s,
ier = serial_in(up, UART_IER);
serial_out(up, UART_IER, 0);
- /*
- * Now, do each character
- */
- for (i = 0; i < count; i++, s++) {
- wait_for_xmitr(up);
-
- /*
- * Send the character out.
- * If a LF, also do CR...
- */
- serial_out(up, UART_TX, *s);
- if (*s == 10) {
- wait_for_xmitr(up);
- serial_out(up, UART_TX, 13);
- }
- }
+ uart_console_write(&up->port, s, count, sunsu_console_putchar);
/*
* Finally, wait for transmitter to become empty
@@ -1467,18 +1457,17 @@ static struct console sunsu_cons = {
.index = -1,
.data = &sunsu_reg,
};
-#define SUNSU_CONSOLE (&sunsu_cons)
/*
* Register console.
*/
-static int __init sunsu_serial_console_init(void)
+static inline struct console *SUNSU_CONSOLE(void)
{
int i;
if (con_is_present())
- return 0;
+ return NULL;
for (i = 0; i < UART_NR; i++) {
int this_minor = sunsu_reg.minor + i;
@@ -1487,16 +1476,16 @@ static int __init sunsu_serial_console_init(void)
break;
}
if (i == UART_NR)
- return 0;
+ return NULL;
if (sunsu_ports[i].port_node == 0)
- return 0;
+ return NULL;
sunsu_cons.index = i;
- register_console(&sunsu_cons);
- return 0;
+
+ return &sunsu_cons;
}
#else
-#define SUNSU_CONSOLE (NULL)
+#define SUNSU_CONSOLE() (NULL)
#define sunsu_serial_console_init() do { } while (0)
#endif
@@ -1513,6 +1502,7 @@ static int __init sunsu_serial_init(void)
up->su_type == SU_PORT_KBD)
continue;
+ spin_lock_init(&up->port.lock);
up->port.flags |= UPF_BOOT_AUTOCONF;
up->port.type = PORT_UNKNOWN;
up->port.uartclk = (SU_BASE_BAUD * 16);
@@ -1526,16 +1516,19 @@ static int __init sunsu_serial_init(void)
}
sunsu_reg.minor = sunserial_current_minor;
- sunserial_current_minor += instance;
sunsu_reg.nr = instance;
- sunsu_reg.cons = SUNSU_CONSOLE;
ret = uart_register_driver(&sunsu_reg);
if (ret < 0)
return ret;
- sunsu_serial_console_init();
+ sunsu_reg.tty_driver->name_base = sunsu_reg.minor - 64;
+
+ sunserial_current_minor += instance;
+
+ sunsu_reg.cons = SUNSU_CONSOLE();
+
for (i = 0; i < UART_NR; i++) {
struct uart_sunsu_port *up = &sunsu_ports[i];
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