diff options
Diffstat (limited to 'include/linux/tty_driver.h')
-rw-r--r-- | include/linux/tty_driver.h | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 4841d8069c07..e00034118c7b 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -7,6 +7,7 @@ #include <linux/kref.h> #include <linux/list.h> #include <linux/cdev.h> +#include <linux/uaccess.h> #include <linux/termios.h> #include <linux/seq_file.h> @@ -141,7 +142,7 @@ struct serial_struct; * * Optional. * - * @set_termios: ``void ()(struct tty_struct *tty, struct ktermios *old)`` + * @set_termios: ``void ()(struct tty_struct *tty, const struct ktermios *old)`` * * This routine allows the @tty driver to be notified when device's * termios settings have changed. New settings are in @tty->termios. @@ -365,7 +366,7 @@ struct tty_operations { unsigned int cmd, unsigned long arg); long (*compat_ioctl)(struct tty_struct *tty, unsigned int cmd, unsigned long arg); - void (*set_termios)(struct tty_struct *tty, struct ktermios * old); + void (*set_termios)(struct tty_struct *tty, const struct ktermios *old); void (*throttle)(struct tty_struct * tty); void (*unthrottle)(struct tty_struct * tty); void (*stop)(struct tty_struct *tty); @@ -396,7 +397,6 @@ struct tty_operations { /** * struct tty_driver -- driver for TTY devices * - * @magic: set to %TTY_DRIVER_MAGIC in __tty_alloc_driver() * @kref: reference counting. Reaching zero frees all the internals and the * driver. * @cdevs: allocated/registered character /dev devices @@ -432,7 +432,6 @@ struct tty_operations { * @driver_name, @name, @type, @subtype, @init_termios, and @ops. */ struct tty_driver { - int magic; struct kref kref; struct cdev **cdevs; struct module *owner; @@ -489,9 +488,6 @@ static inline void tty_set_operations(struct tty_driver *driver, driver->ops = op; } -/* tty driver magic number */ -#define TTY_DRIVER_MAGIC 0x5402 - /** * DOC: TTY Driver Flags * |