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[SPARC64]: Prevent registering wrong serial console.

Browse source 
If the console is not for a particular Sun serial
controller, set the drv->cons to NULL.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-02-13 20:09:10 -08:00
parent 10951ee610
commit 1ddb7c98d4
3 changed files with 47 additions and 26 deletions
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17
drivers/serial/sunsab.c
View file

@ -955,14 +955,13 @@ static struct console sunsab_console = {
.index = -1,
.data = &sunsab_reg,
};
#define SUNSAB_CONSOLE (&sunsab_console)
static void __init sunsab_console_init(void)
static inline struct console *SUNSAB_CONSOLE(void)
{
int i;
if (con_is_present())
return;
return NULL;
for (i = 0; i < num_channels; i++) {
int this_minor = sunsab_reg.minor + i;
@ -971,13 +970,14 @@ static void __init sunsab_console_init(void)
break;
}
if (i == num_channels)
return;
return NULL;
sunsab_console.index = i;
register_console(&sunsab_console);
return &sunsab_console;
}
#else
#define SUNSAB_CONSOLE (NULL)
#define SUNSAB_CONSOLE() (NULL)
#define sunsab_console_init() do { } while (0)
#endif
@ -1124,7 +1124,6 @@ static int __init sunsab_init(void)
sunsab_reg.minor = sunserial_current_minor;
sunsab_reg.nr = num_channels;
sunsab_reg.cons = SUNSAB_CONSOLE;
ret = uart_register_driver(&sunsab_reg);
if (ret < 0) {
@ -1143,10 +1142,10 @@ static int __init sunsab_init(void)
return ret;
}
sunsab_reg.cons = SUNSAB_CONSOLE();
sunserial_current_minor += num_channels;
sunsab_console_init();
for (i = 0; i < num_channels; i++) {
struct uart_sunsab_port *up = &sunsab_ports[i];

22
drivers/serial/sunsu.c
View file

@ -1464,18 +1464,17 @@ 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;
@ -1484,16 +1483,16 @@ 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
@ -1523,16 +1522,17 @@ 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();
sunserial_current_minor += instance;
sunsu_reg.cons = SUNSU_CONSOLE();
for (i = 0; i < UART_NR; i++) {
struct uart_sunsu_port *up = &sunsu_ports[i];

34
drivers/serial/sunzilog.c
View file

@ -1390,7 +1390,6 @@ static struct console sunzilog_console = {
.index = -1,
.data = &sunzilog_reg,
};
#define SUNZILOG_CONSOLE (&sunzilog_console)
static int __init sunzilog_console_init(void)
{
@ -1413,8 +1412,31 @@ 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 +1688,14 @@ 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.cons = SUNZILOG_CONSOLE();
sunserial_current_minor += uart_count;
for (i = 0; i < NUM_CHANNELS; i++) {
struct uart_sunzilog_port *up = &sunzilog_port_table[i];