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Diffstat (limited to 'arch/um/drivers/line.h')
-rw-r--r--arch/um/drivers/line.h13
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/um/drivers/line.h b/arch/um/drivers/line.h
index bdb16b96e76f..e8bd6f3dfb50 100644
--- a/arch/um/drivers/line.h
+++ b/arch/um/drivers/line.h
@@ -23,9 +23,7 @@ struct line_driver {
const short minor_start;
const short type;
const short subtype;
- const int read_irq;
const char *read_irq_name;
- const int write_irq;
const char *write_irq_name;
struct mc_device mc;
struct tty_driver *driver;
@@ -35,6 +33,8 @@ struct line {
struct tty_port port;
int valid;
+ int read_irq, write_irq;
+
char *init_str;
struct list_head chan_list;
struct chan *chan_in, *chan_out;
@@ -47,9 +47,9 @@ struct line {
*
* buffer points to a buffer allocated on demand, of length
* LINE_BUFSIZE, head to the start of the ring, tail to the end.*/
- char *buffer;
- char *head;
- char *tail;
+ u8 *buffer;
+ u8 *head;
+ u8 *tail;
int sigio;
struct delayed_work task;
@@ -64,8 +64,7 @@ extern void line_cleanup(struct tty_struct *tty);
extern void line_hangup(struct tty_struct *tty);
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 ssize_t line_write(struct tty_struct *tty, const u8 *buf, size_t len);
extern unsigned int line_chars_in_buffer(struct tty_struct *tty);
extern void line_flush_buffer(struct tty_struct *tty);
extern void line_flush_chars(struct tty_struct *tty);