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Kirill Smelkov
linux
Commits
d4b965ce
Commit
d4b965ce
authored
Jun 11, 2003
by
Alexander Viro
Committed by
Linus Torvalds
Jun 11, 2003
Browse files
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Plain Diff
[PATCH] tty_driver refcounting
drivers/serial/68360serial.c converted to dynamic allocation
parent
b841dfad
Changes
1
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Showing
1 changed file
with
36 additions
and
38 deletions
+36
-38
drivers/serial/68360serial.c
drivers/serial/68360serial.c
+36
-38
No files found.
drivers/serial/68360serial.c
View file @
d4b965ce
...
@@ -73,7 +73,7 @@ extern int kgdb_output_string (const char* s, unsigned int count);
...
@@ -73,7 +73,7 @@ extern int kgdb_output_string (const char* s, unsigned int count);
static
char
*
serial_name
=
"CPM UART driver"
;
static
char
*
serial_name
=
"CPM UART driver"
;
static
char
*
serial_version
=
"0.03"
;
static
char
*
serial_version
=
"0.03"
;
static
struct
tty_driver
serial_driver
;
static
struct
tty_driver
*
serial_driver
;
int
serial_console_setup
(
struct
console
*
co
,
char
*
options
);
int
serial_console_setup
(
struct
console
*
co
,
char
*
options
);
/*
/*
...
@@ -2462,7 +2462,7 @@ void kgdb_map_scc(void)
...
@@ -2462,7 +2462,7 @@ void kgdb_map_scc(void)
static
struct
tty_struct
*
serial_console_device
(
struct
console
*
c
,
int
*
index
)
static
struct
tty_struct
*
serial_console_device
(
struct
console
*
c
,
int
*
index
)
{
{
*
index
=
c
->
index
;
*
index
=
c
->
index
;
return
&
serial_driver
;
return
serial_driver
;
}
}
...
@@ -2495,6 +2495,25 @@ long console_360_init(long kmem_start, long kmem_end)
...
@@ -2495,6 +2495,25 @@ long console_360_init(long kmem_start, long kmem_end)
*/
*/
static
int
baud_idx
;
static
int
baud_idx
;
static
struct
tty_operations
rs_360_ops
=
{
.
open
=
rs_360_open
,
.
close
=
rs_360_close
,
.
write
=
rs_360_write
,
.
put_char
=
rs_360_put_char
,
.
write_room
=
rs_360_write_room
,
.
chars_in_buffer
=
rs_360_chars_in_buffer
,
.
flush_buffer
=
rs_360_flush_buffer
,
.
ioctl
=
rs_360_ioctl
,
.
throttle
=
rs_360_throttle
,
.
unthrottle
=
rs_360_unthrottle
,
/* .send_xchar = rs_360_send_xchar, */
.
set_termios
=
rs_360_set_termios
,
.
stop
=
rs_360_stop
,
.
start
=
rs_360_start
,
.
hangup
=
rs_360_hangup
,
/* .wait_until_sent = rs_360_wait_until_sent, */
/* .read_proc = rs_360_read_proc, */
};
/* int __init rs_360_init(void) */
/* int __init rs_360_init(void) */
int
rs_360_init
(
void
)
int
rs_360_init
(
void
)
...
@@ -2513,45 +2532,24 @@ int rs_360_init(void)
...
@@ -2513,45 +2532,24 @@ int rs_360_init(void)
volatile
struct
uart_pram
*
sup
;
volatile
struct
uart_pram
*
sup
;
/* volatile immap_t *immap; */
/* volatile immap_t *immap; */
serial_driver
=
alloc_tty_driver
(
NR_PORTS
);
if
(
!
serial_driver
)
return
-
1
;
show_serial_version
();
show_serial_version
();
/* Initialize the tty_driver structure */
serial_driver
->
name
=
"ttyS"
;
serial_driver
->
major
=
TTY_MAJOR
;
/* __clear_user(&serial_driver,sizeof(struct tty_driver)); */
serial_driver
->
minor_start
=
64
;
memset
(
&
serial_driver
,
0
,
sizeof
(
struct
tty_driver
));
serial_driver
->
type
=
TTY_DRIVER_TYPE_SERIAL
;
serial_driver
->
subtype
=
SERIAL_TYPE_NORMAL
;
serial_driver
.
magic
=
TTY_DRIVER_MAGIC
;
serial_driver
->
init_termios
=
tty_std_termios
;
/* serial_driver.driver_name = "serial"; */
serial_driver
->
init_termios
.
c_cflag
=
serial_driver
.
name
=
"ttyS"
;
serial_driver
.
major
=
TTY_MAJOR
;
serial_driver
.
minor_start
=
64
;
serial_driver
.
num
=
NR_PORTS
;
serial_driver
.
type
=
TTY_DRIVER_TYPE_SERIAL
;
serial_driver
.
subtype
=
SERIAL_TYPE_NORMAL
;
serial_driver
.
init_termios
=
tty_std_termios
;
serial_driver
.
init_termios
.
c_cflag
=
baud_idx
|
CS8
|
CREAD
|
HUPCL
|
CLOCAL
;
baud_idx
|
CS8
|
CREAD
|
HUPCL
|
CLOCAL
;
serial_driver
.
flags
=
TTY_DRIVER_REAL_RAW
;
serial_driver
->
flags
=
TTY_DRIVER_REAL_RAW
;
tty_set_operations
(
serial_driver
,
&
rs_360_ops
);
serial_driver
.
open
=
rs_360_open
;
serial_driver
.
close
=
rs_360_close
;
if
(
tty_register_driver
(
serial_driver
))
serial_driver
.
write
=
rs_360_write
;
serial_driver
.
put_char
=
rs_360_put_char
;
serial_driver
.
write_room
=
rs_360_write_room
;
serial_driver
.
chars_in_buffer
=
rs_360_chars_in_buffer
;
serial_driver
.
flush_buffer
=
rs_360_flush_buffer
;
serial_driver
.
ioctl
=
rs_360_ioctl
;
serial_driver
.
throttle
=
rs_360_throttle
;
serial_driver
.
unthrottle
=
rs_360_unthrottle
;
/* serial_driver.send_xchar = rs_360_send_xchar; */
serial_driver
.
set_termios
=
rs_360_set_termios
;
serial_driver
.
stop
=
rs_360_stop
;
serial_driver
.
start
=
rs_360_start
;
serial_driver
.
hangup
=
rs_360_hangup
;
/* serial_driver.wait_until_sent = rs_360_wait_until_sent; */
/* serial_driver.read_proc = rs_360_read_proc; */
if
(
tty_register_driver
(
&
serial_driver
))
panic
(
"Couldn't register serial driver
\n
"
);
panic
(
"Couldn't register serial driver
\n
"
);
cp
=
pquicc
;
/* Get pointer to Communication Processor */
cp
=
pquicc
;
/* Get pointer to Communication Processor */
...
@@ -2859,7 +2857,7 @@ int rs_360_init(void)
...
@@ -2859,7 +2857,7 @@ int rs_360_init(void)
/* cpm_install_handler(IRQ_MACHSPEC | state->irq, rs_360_interrupt, info); */
/* cpm_install_handler(IRQ_MACHSPEC | state->irq, rs_360_interrupt, info); */
/*request_irq(IRQ_MACHSPEC | state->irq, rs_360_interrupt, */
/*request_irq(IRQ_MACHSPEC | state->irq, rs_360_interrupt, */
request_irq
(
state
->
irq
,
rs_360_interrupt
,
request_irq
(
state
->
irq
,
rs_360_interrupt
,
IRQ_FLG_LOCK
,
serial_driver
.
name
,
(
void
*
)
info
);
IRQ_FLG_LOCK
,
"ttyS"
,
(
void
*
)
info
);
/* Set up the baud rate generator.
/* Set up the baud rate generator.
*/
*/
...
...
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