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path: root/drivers/s390/char/con3215.c
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Diffstat (limited to 'drivers/s390/char/con3215.c')
-rw-r--r--drivers/s390/char/con3215.c38
1 files changed, 5 insertions, 33 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 3e5653c92f4b..d3ec9b55ab35 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -93,9 +93,6 @@ struct raw3215_info {
struct raw3215_req *queued_write;/* pointer to queued write requests */
wait_queue_head_t empty_wait; /* wait queue for flushing */
struct timer_list timer; /* timer for delayed output */
- char *message; /* pending message from raw3215_irq */
- int msg_dstat; /* dstat for pending message */
- int msg_cstat; /* cstat for pending message */
int line_pos; /* position on the line (for tabs) */
char ubuffer[80]; /* copy_from_user buffer */
};
@@ -359,11 +356,6 @@ raw3215_tasklet(void *data)
raw3215_mk_write_req(raw);
raw3215_try_io(raw);
spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
- /* Check for pending message from raw3215_irq */
- if (raw->message != NULL) {
- printk(raw->message, raw->msg_dstat, raw->msg_cstat);
- raw->message = NULL;
- }
tty = raw->tty;
if (tty != NULL &&
RAW3215_BUFFER_SIZE - raw->count >= RAW3215_MIN_SPACE) {
@@ -381,20 +373,14 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
struct raw3215_req *req;
struct tty_struct *tty;
int cstat, dstat;
- int count, slen;
+ int count;
raw = cdev->dev.driver_data;
req = (struct raw3215_req *) intparm;
- cstat = irb->scsw.cstat;
- dstat = irb->scsw.dstat;
- if (cstat != 0) {
- raw->message = KERN_WARNING
- "Got nonzero channel status in raw3215_irq "
- "(dev sts 0x%2x, sch sts 0x%2x)";
- raw->msg_dstat = dstat;
- raw->msg_cstat = cstat;
+ cstat = irb->scsw.cmd.cstat;
+ dstat = irb->scsw.cmd.dstat;
+ if (cstat != 0)
tasklet_schedule(&raw->tasklet);
- }
if (dstat & 0x01) { /* we got a unit exception */
dstat &= ~0x01; /* we can ignore it */
}
@@ -404,8 +390,6 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
break;
/* Attention interrupt, someone hit the enter key */
raw3215_mk_read_req(raw);
- if (MACHINE_IS_P390)
- memset(raw->inbuf, 0, RAW3215_INBUF_SIZE);
tasklet_schedule(&raw->tasklet);
break;
case 0x08:
@@ -415,7 +399,7 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
return; /* That shouldn't happen ... */
if (req->type == RAW3215_READ) {
/* store residual count, then wait for device end */
- req->residual = irb->scsw.count;
+ req->residual = irb->scsw.cmd.count;
}
if (dstat == 0x08)
break;
@@ -428,11 +412,6 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
tty = raw->tty;
count = 160 - req->residual;
- if (MACHINE_IS_P390) {
- slen = strnlen(raw->inbuf, RAW3215_INBUF_SIZE);
- if (count > slen)
- count = slen;
- } else
EBCASC(raw->inbuf, count);
cchar = ctrlchar_handle(raw->inbuf, count, tty);
switch (cchar & CTRLCHAR_MASK) {
@@ -481,11 +460,6 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
raw->flags &= ~RAW3215_WORKING;
raw3215_free_req(req);
}
- raw->message = KERN_WARNING
- "Spurious interrupt in in raw3215_irq "
- "(dev sts 0x%2x, sch sts 0x%2x)";
- raw->msg_dstat = dstat;
- raw->msg_cstat = cstat;
tasklet_schedule(&raw->tasklet);
}
return;
@@ -883,7 +857,6 @@ con3215_init(void)
free_bootmem((unsigned long) raw->buffer, RAW3215_BUFFER_SIZE);
free_bootmem((unsigned long) raw, sizeof(struct raw3215_info));
raw3215[0] = NULL;
- printk("Couldn't find a 3215 console device\n");
return -ENODEV;
}
register_console(&con3215);
@@ -1157,7 +1130,6 @@ tty3215_init(void)
tty_set_operations(driver, &tty3215_ops);
ret = tty_register_driver(driver);
if (ret) {
- printk("Couldn't register tty3215 driver\n");
put_tty_driver(driver);
return ret;
}