diff options
Diffstat (limited to 'drivers/input/serio/serport.c')
| -rw-r--r-- | drivers/input/serio/serport.c | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c index 54a680cc704..0cb7ef59071 100644 --- a/drivers/input/serio/serport.c +++ b/drivers/input/serio/serport.c @@ -15,6 +15,7 @@ #include <asm/uaccess.h> #include <linux/kernel.h> +#include <linux/sched.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/init.h> @@ -46,7 +47,7 @@ struct serport { static int serport_serio_write(struct serio *serio, unsigned char data) { struct serport *serport = serio->port_data; - return -(serport->tty->driver->write(serport->tty, &data, 1) != 1); + return -(serport->tty->ops->write(serport->tty, &data, 1) != 1); } static int serport_serio_open(struct serio *serio) @@ -115,17 +116,15 @@ static void serport_ldisc_close(struct tty_struct *tty) /* * serport_ldisc_receive() is called by the low level tty driver when characters - * are ready for us. We forward the characters, one by one to the 'interrupt' - * routine. - * - * FIXME: We should get pt_regs from the tty layer and forward them to - * serio_interrupt here. + * are ready for us. We forward the characters and flags, one by one to the + * 'interrupt' routine. */ static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *cp, char *fp, int count) { struct serport *serport = (struct serport*) tty->disc_data; unsigned long flags; + unsigned int ch_flags = 0; int i; spin_lock_irqsave(&serport->lock, flags); @@ -133,8 +132,25 @@ static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *c if (!test_bit(SERPORT_ACTIVE, &serport->flags)) goto out; - for (i = 0; i < count; i++) - serio_interrupt(serport->serio, cp[i], 0, NULL); + for (i = 0; i < count; i++) { + if (fp) { + switch (fp[i]) { + case TTY_FRAME: + ch_flags = SERIO_FRAME; + break; + + case TTY_PARITY: + ch_flags = SERIO_PARITY; + break; + + default: + ch_flags = 0; + break; + } + } + + serio_interrupt(serport->serio, cp[i], ch_flags); + } out: spin_unlock_irqrestore(&serport->lock, flags); @@ -167,6 +183,7 @@ static ssize_t serport_ldisc_read(struct tty_struct * tty, struct file * file, u serio->open = serport_serio_open; serio->close = serport_serio_close; serio->port_data = serport; + serio->dev.parent = tty->dev; serio_register_port(serport->serio); printk(KERN_INFO "serio: Serial port %s\n", tty_name(tty, name)); @@ -219,7 +236,7 @@ static void serport_ldisc_write_wakeup(struct tty_struct * tty) * The line discipline structure. */ -static struct tty_ldisc serport_ldisc = { +static struct tty_ldisc_ops serport_ldisc = { .owner = THIS_MODULE, .name = "input", .open = serport_ldisc_open, |