diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/serial_8250.h | 7 | ||||
| -rw-r--r-- | include/linux/serial_core.h | 2 | ||||
| -rw-r--r-- | include/linux/tty.h | 4 | ||||
| -rw-r--r-- | include/linux/tty_driver.h | 8 |
4 files changed, 15 insertions, 6 deletions
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index af47a8af6024..f93649e22c43 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -74,8 +74,10 @@ struct uart_8250_port { struct list_head list; /* ports on this IRQ */ unsigned short capabilities; /* port capabilities */ unsigned short bugs; /* port bugs */ + bool fifo_bug; /* min RX trigger if enabled */ unsigned int tx_loadsz; /* transmit fifo load size */ unsigned char acr; + unsigned char fcr; unsigned char ier; unsigned char lcr; unsigned char mcr; @@ -100,6 +102,11 @@ struct uart_8250_port { void (*dl_write)(struct uart_8250_port *, int); }; +static inline struct uart_8250_port *up_to_u8250p(struct uart_port *up) +{ + return container_of(up, struct uart_8250_port, port); +} + int serial8250_register_8250_port(struct uart_8250_port *); void serial8250_unregister_port(int line); void serial8250_suspend_port(int line); diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 5bbb809ee197..cf3a1e789bf5 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -199,6 +199,8 @@ struct uart_port { unsigned char suspended; unsigned char irq_wake; unsigned char unused[2]; + struct attribute_group *attr_group; /* port specific attributes */ + const struct attribute_group **tty_groups; /* all attributes (serial core use only) */ void *private_data; /* generic platform data pointer */ }; diff --git a/include/linux/tty.h b/include/linux/tty.h index 1c3316a47d7e..84132942902a 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -477,13 +477,11 @@ extern int tty_mode_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); extern int tty_perform_flush(struct tty_struct *tty, unsigned long arg); extern void tty_default_fops(struct file_operations *fops); -extern struct tty_struct *alloc_tty_struct(void); +extern struct tty_struct *alloc_tty_struct(struct tty_driver *driver, int idx); extern int tty_alloc_file(struct file *file); extern void tty_add_file(struct tty_struct *tty, struct file *file); extern void tty_free_file(struct file *file); extern void free_tty_struct(struct tty_struct *tty); -extern void initialize_tty_struct(struct tty_struct *tty, - struct tty_driver *driver, int idx); extern void deinitialize_tty_struct(struct tty_struct *tty); extern struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx); extern int tty_release(struct inode *inode, struct file *filp); diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 756a60989294..e48c608a8fa8 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -35,14 +35,14 @@ * This routine is mandatory; if this routine is not filled in, * the attempted open will fail with ENODEV. * - * Required method. - * + * Required method. Called with tty lock held. + * * void (*close)(struct tty_struct * tty, struct file * filp); * * This routine is called when a particular tty device is closed. * Note: called even if the corresponding open() failed. * - * Required method. + * Required method. Called with tty lock held. * * void (*shutdown)(struct tty_struct * tty); * @@ -172,6 +172,8 @@ * * Optional: * + * Called with tty lock held. + * * int (*break_ctl)(struct tty_struct *tty, int state); * * This optional routine requests the tty driver to turn on or |