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path: root/drivers/serial/sunzilog.c
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Diffstat (limited to 'drivers/serial/sunzilog.c')
-rw-r--r--drivers/serial/sunzilog.c48
1 files changed, 33 insertions, 15 deletions
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 5cc4d4c..cd49ebb 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -1252,8 +1252,9 @@ static struct zilog_layout __iomem * __init get_zs(int chip, int node)
#define ZS_PUT_CHAR_MAX_DELAY 2000 /* 10 ms */
-static void sunzilog_put_char(struct zilog_channel __iomem *channel, unsigned char ch)
+static void sunzilog_putchar(struct uart_port *port, int ch)
{
+ struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port);
int loops = ZS_PUT_CHAR_MAX_DELAY;
/* This is a timed polling loop so do not switch the explicit
@@ -1284,7 +1285,7 @@ static int sunzilog_serio_write(struct serio *serio, unsigned char ch)
spin_lock_irqsave(&sunzilog_serio_lock, flags);
- sunzilog_put_char(ZILOG_CHANNEL_FROM_PORT(&up->port), ch);
+ sunzilog_putchar(&up->port, ch);
spin_unlock_irqrestore(&sunzilog_serio_lock, flags);
@@ -1325,16 +1326,10 @@ static void
sunzilog_console_write(struct console *con, const char *s, unsigned int count)
{
struct uart_sunzilog_port *up = &sunzilog_port_table[con->index];
- struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(&up->port);
unsigned long flags;
- int i;
spin_lock_irqsave(&up->port.lock, flags);
- for (i = 0; i < count; i++, s++) {
- sunzilog_put_char(channel, *s);
- if (*s == 10)
- sunzilog_put_char(channel, 13);
- }
+ uart_console_write(&up->port, s, count, sunzilog_putchar);
udelay(2);
spin_unlock_irqrestore(&up->port.lock, flags);
}
@@ -1390,7 +1385,6 @@ static struct console sunzilog_console = {
.index = -1,
.data = &sunzilog_reg,
};
-#define SUNZILOG_CONSOLE (&sunzilog_console)
static int __init sunzilog_console_init(void)
{
@@ -1413,8 +1407,31 @@ static int __init sunzilog_console_init(void)
register_console(&sunzilog_console);
return 0;
}
+
+static inline struct console *SUNZILOG_CONSOLE(void)
+{
+ int i;
+
+ if (con_is_present())
+ return NULL;
+
+ for (i = 0; i < NUM_CHANNELS; i++) {
+ int this_minor = sunzilog_reg.minor + i;
+
+ if ((this_minor - 64) == (serial_console - 1))
+ break;
+ }
+ if (i == NUM_CHANNELS)
+ return NULL;
+
+ sunzilog_console.index = i;
+ sunzilog_port_table[i].flags |= SUNZILOG_FLAG_IS_CONS;
+
+ return &sunzilog_console;
+}
+
#else
-#define SUNZILOG_CONSOLE (NULL)
+#define SUNZILOG_CONSOLE() (NULL)
#define sunzilog_console_init() do { } while (0)
#endif
@@ -1666,14 +1683,15 @@ static int __init sunzilog_ports_init(void)
}
sunzilog_reg.nr = uart_count;
- sunzilog_reg.cons = SUNZILOG_CONSOLE;
-
sunzilog_reg.minor = sunserial_current_minor;
- sunserial_current_minor += uart_count;
ret = uart_register_driver(&sunzilog_reg);
if (ret == 0) {
- sunzilog_console_init();
+ sunzilog_reg.tty_driver->name_base = sunzilog_reg.minor - 64;
+ sunzilog_reg.cons = SUNZILOG_CONSOLE();
+
+ sunserial_current_minor += uart_count;
+
for (i = 0; i < NUM_CHANNELS; i++) {
struct uart_sunzilog_port *up = &sunzilog_port_table[i];
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