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-rw-r--r--include/linux/tty_driver.h23
1 files changed, 19 insertions, 4 deletions
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 80e72dc564a5..3adc362f0bd2 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -296,11 +296,11 @@ struct tty_driver {
int name_base; /* offset of printed name */
int major; /* major device number */
int minor_start; /* start of minor device number */
- int num; /* number of devices allocated */
+ unsigned int num; /* number of devices allocated */
short type; /* type of tty driver */
short subtype; /* subtype of tty driver */
struct ktermios init_termios; /* Initial termios */
- int flags; /* tty driver flags */
+ unsigned long flags; /* tty driver flags */
struct proc_dir_entry *proc_entry; /* /proc fs entry */
struct tty_driver *other; /* only used for the PTY driver */
@@ -322,7 +322,8 @@ struct tty_driver {
extern struct list_head tty_drivers;
-extern struct tty_driver *__alloc_tty_driver(int lines, struct module *owner);
+extern struct tty_driver *__tty_alloc_driver(unsigned int lines,
+ struct module *owner, unsigned long flags);
extern void put_tty_driver(struct tty_driver *driver);
extern void tty_set_operations(struct tty_driver *driver,
const struct tty_operations *op);
@@ -330,7 +331,21 @@ extern struct tty_driver *tty_find_polling_driver(char *name, int *line);
extern void tty_driver_kref_put(struct tty_driver *driver);
-#define alloc_tty_driver(lines) __alloc_tty_driver(lines, THIS_MODULE)
+/* Use TTY_DRIVER_* flags below */
+#define tty_alloc_driver(lines, flags) \
+ __tty_alloc_driver(lines, THIS_MODULE, flags)
+
+/*
+ * DEPRECATED Do not use this in new code, use tty_alloc_driver instead.
+ * (And change the return value checks.)
+ */
+static inline struct tty_driver *alloc_tty_driver(unsigned int lines)
+{
+ struct tty_driver *ret = tty_alloc_driver(lines, 0);
+ if (IS_ERR(ret))
+ return NULL;
+ return ret;
+}
static inline struct tty_driver *tty_driver_kref_get(struct tty_driver *d)
{
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