diff options
Diffstat (limited to 'drivers/s390/char/con3215.c')
-rw-r--r-- | drivers/s390/char/con3215.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index 40084501c31b..7b00fa634d40 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -44,6 +44,7 @@ #define RAW3215_NR_CCWS 3 #define RAW3215_TIMEOUT HZ/10 /* time for delayed output */ +#define RAW3215_FIXED 1 /* 3215 console device is not be freed */ #define RAW3215_WORKING 4 /* set if a request is being worked on */ #define RAW3215_THROTTLED 8 /* set if reading is disabled */ #define RAW3215_STOPPED 16 /* set if writing is disabled */ @@ -411,8 +412,9 @@ static void raw3215_irq(struct ccw_device *cdev, unsigned long intparm, break; case CTRLCHAR_CTRL: - tty_insert_flip_char(tty, cchar, TTY_NORMAL); - tty_flip_buffer_push(tty); + tty_insert_flip_char(&raw->port, cchar, + TTY_NORMAL); + tty_flip_buffer_push(&raw->port); break; case CTRLCHAR_NONE: @@ -424,8 +426,9 @@ static void raw3215_irq(struct ccw_device *cdev, unsigned long intparm, count++; } else count -= 2; - tty_insert_flip_string(tty, raw->inbuf, count); - tty_flip_buffer_push(tty); + tty_insert_flip_string(&raw->port, raw->inbuf, + count); + tty_flip_buffer_push(&raw->port); break; } } else if (req->type == RAW3215_WRITE) { @@ -630,7 +633,8 @@ static void raw3215_shutdown(struct raw3215_info *raw) DECLARE_WAITQUEUE(wait, current); unsigned long flags; - if (!(raw->port.flags & ASYNC_INITIALIZED)) + if (!(raw->port.flags & ASYNC_INITIALIZED) || + (raw->flags & RAW3215_FIXED)) return; /* Wait for outstanding requests, then free irq */ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); @@ -805,7 +809,7 @@ static struct ccw_driver raw3215_ccw_driver = { .freeze = &raw3215_pm_stop, .thaw = &raw3215_pm_start, .restore = &raw3215_pm_start, - .int_class = IOINT_C15, + .int_class = IRQIO_C15, }; #ifdef CONFIG_TN3215_CONSOLE @@ -927,6 +931,8 @@ static int __init con3215_init(void) dev_set_drvdata(&cdev->dev, raw); cdev->handler = raw3215_irq; + raw->flags |= RAW3215_FIXED; + /* Request the console irq */ if (raw3215_startup(raw) != 0) { raw3215_free_info(raw); @@ -966,7 +972,7 @@ static int tty3215_open(struct tty_struct *tty, struct file * filp) tty_port_tty_set(&raw->port, tty); - tty->low_latency = 0; /* don't use bottom half for pushing chars */ + raw->port.low_latency = 0; /* don't use bottom half for pushing chars */ /* * Start up 3215 device */ |