diff options
Diffstat (limited to 'arch/um/drivers/line.h')
| -rw-r--r-- | arch/um/drivers/line.h | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/arch/um/drivers/line.h b/arch/um/drivers/line.h index 63df3ca02ac2..0a1834719dba 100644 --- a/arch/um/drivers/line.h +++ b/arch/um/drivers/line.h @@ -15,7 +15,7 @@ #include "chan_user.h" #include "mconsole_kern.h" -/* There's only one modifiable field in this - .mc.list */ +/* There's only two modifiable fields in this - .mc.list and .driver */ struct line_driver { const char *name; const char *device_name; @@ -28,17 +28,18 @@ struct line_driver { const int write_irq; const char *write_irq_name; struct mc_device mc; + struct tty_driver *driver; }; struct line { struct tty_struct *tty; - spinlock_t count_lock; + struct mutex count_lock; unsigned long count; int valid; char *init_str; - int init_pri; struct list_head chan_list; + struct chan *chan_in, *chan_out; /*This lock is actually, mostly, local to*/ spinlock_t lock; @@ -55,21 +56,12 @@ struct line { int sigio; struct delayed_work task; const struct line_driver *driver; - int have_irq; }; -#define LINE_INIT(str, d) \ - { .count_lock = __SPIN_LOCK_UNLOCKED((str).count_lock), \ - .init_str = str, \ - .init_pri = INIT_STATIC, \ - .valid = 1, \ - .lock = __SPIN_LOCK_UNLOCKED((str).lock), \ - .driver = d } - extern void line_close(struct tty_struct *tty, struct file * filp); extern int line_open(struct line *lines, struct tty_struct *tty); -extern int line_setup(struct line *lines, unsigned int sizeof_lines, - char *init, char **error_out); +extern int line_setup(char **conf, unsigned nlines, char **def, + char *init, char *name); extern int line_write(struct tty_struct *tty, const unsigned char *buf, int len); extern int line_put_char(struct tty_struct *tty, unsigned char ch); @@ -87,10 +79,11 @@ extern char *add_xterm_umid(char *base); extern int line_setup_irq(int fd, int input, int output, struct line *line, void *data); extern void line_close_chan(struct line *line); -extern struct tty_driver *register_lines(struct line_driver *line_driver, - const struct tty_operations *driver, - struct line *lines, int nlines); -extern void lines_init(struct line *lines, int nlines, struct chan_opts *opts); +extern int register_lines(struct line_driver *line_driver, + const struct tty_operations *driver, + struct line *lines, int nlines); +extern int setup_one_line(struct line *lines, int n, char *init, + const struct chan_opts *opts, char **error_out); extern void close_lines(struct line *lines, int nlines); extern int line_config(struct line *lines, unsigned int sizeof_lines, |