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Lines 259-267
static int usblp_ctrl_msg(struct usblp *
Link Here
|
| 259 |
index = (usblp->ifnum<<8)|usblp->protocol[usblp->current_protocol].alt_setting; |
259 |
index = (usblp->ifnum<<8)|usblp->protocol[usblp->current_protocol].alt_setting; |
| 260 |
} |
260 |
} |
| 261 |
|
261 |
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|
262 |
printk(KERN_INFO "usblp%d: in usblp_ctrl_msg: executing usb_control_msg\n", |
| 263 |
usblp->minor); |
| 262 |
retval = usb_control_msg(usblp->dev, |
264 |
retval = usb_control_msg(usblp->dev, |
| 263 |
dir ? usb_rcvctrlpipe(usblp->dev, 0) : usb_sndctrlpipe(usblp->dev, 0), |
265 |
dir ? usb_rcvctrlpipe(usblp->dev, 0) : usb_sndctrlpipe(usblp->dev, 0), |
| 264 |
request, type | dir | recip, value, index, buf, len, USBLP_CTL_TIMEOUT); |
266 |
request, type | dir | recip, value, index, buf, len, USBLP_CTL_TIMEOUT); |
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|
267 |
printk(KERN_INFO "usblp%d: in usblp_ctrl_msg: finished executing usb_control_msg\n", |
| 268 |
usblp->minor); |
| 265 |
dbg("usblp_control_msg: rq: 0x%02x dir: %d recip: %d value: %d idx: %d len: %#x result: %d", |
269 |
dbg("usblp_control_msg: rq: 0x%02x dir: %d recip: %d value: %d idx: %d len: %#x result: %d", |
| 266 |
request, !!dir, recip, value, index, len, retval); |
270 |
request, !!dir, recip, value, index, len, retval); |
| 267 |
return retval < 0 ? retval : 0; |
271 |
return retval < 0 ? retval : 0; |
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Lines 346-353
static int usblp_check_status(struct usb
Link Here
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| 346 |
unsigned char status, newerr = 0; |
350 |
unsigned char status, newerr = 0; |
| 347 |
int error; |
351 |
int error; |
| 348 |
|
352 |
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|
353 |
printk(KERN_INFO "usblp%d: in usblp_check_status: executing mutex_lock\n", |
| 354 |
usblp->minor); |
| 349 |
mutex_lock(&usblp->mut); |
355 |
mutex_lock(&usblp->mut); |
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|
356 |
printk(KERN_INFO "usblp%d: in usblp_check_status: executing usblp_read_status\n", |
| 357 |
usblp->minor); |
| 350 |
if ((error = usblp_read_status(usblp, usblp->statusbuf)) < 0) { |
358 |
if ((error = usblp_read_status(usblp, usblp->statusbuf)) < 0) { |
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|
359 |
printk(KERN_INFO "usblp%d: in usblp_check_status: executing mutex_unlock\n", |
| 360 |
usblp->minor); |
| 351 |
mutex_unlock(&usblp->mut); |
361 |
mutex_unlock(&usblp->mut); |
| 352 |
if (printk_ratelimit()) |
362 |
if (printk_ratelimit()) |
| 353 |
printk(KERN_ERR |
363 |
printk(KERN_ERR |
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Lines 658-664
static long usblp_ioctl(struct file *fil
Link Here
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| 658 |
switch (cmd) { |
668 |
switch (cmd) { |
| 659 |
|
669 |
|
| 660 |
case LPGETSTATUS: |
670 |
case LPGETSTATUS: |
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|
671 |
printk(KERN_INFO "usblp%d: in usblp_ioctl: executing usblp_read_status\n", |
| 672 |
usblp->minor); |
| 661 |
if ((retval = usblp_read_status(usblp, usblp->statusbuf))) { |
673 |
if ((retval = usblp_read_status(usblp, usblp->statusbuf))) { |
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|
674 |
printk(KERN_INFO "usblp%d: in usblp_ioctl: finished executing usblp_read_status\n", |
| 675 |
usblp->minor); |
| 662 |
if (printk_ratelimit()) |
676 |
if (printk_ratelimit()) |
| 663 |
printk(KERN_ERR "usblp%d:" |
677 |
printk(KERN_ERR "usblp%d:" |
| 664 |
"failed reading printer status (%d)\n", |
678 |
"failed reading printer status (%d)\n", |
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Lines 862-867
done:
Link Here
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| 862 |
*/ |
876 |
*/ |
| 863 |
static int usblp_wwait(struct usblp *usblp, int nonblock) |
877 |
static int usblp_wwait(struct usblp *usblp, int nonblock) |
| 864 |
{ |
878 |
{ |
|
|
879 |
printk(KERN_INFO "usblp%d: in usblp_wwait: starting execution of code\n", |
| 880 |
usblp->minor); |
| 865 |
DECLARE_WAITQUEUE(waita, current); |
881 |
DECLARE_WAITQUEUE(waita, current); |
| 866 |
int rc; |
882 |
int rc; |
| 867 |
int err = 0; |
883 |
int err = 0; |
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Lines 880-886
static int usblp_wwait(struct usblp *usb
Link Here
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| 880 |
|
896 |
|
| 881 |
if (usblp->flags & LP_ABORT) { |
897 |
if (usblp->flags & LP_ABORT) { |
| 882 |
if (schedule_timeout(msecs_to_jiffies(5000)) == 0) { |
898 |
if (schedule_timeout(msecs_to_jiffies(5000)) == 0) { |
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|
899 |
printk(KERN_INFO "usblp%d: in usblp_wwait: executing usblp_check_status\n", |
| 900 |
usblp->minor); |
| 883 |
err = usblp_check_status(usblp, err); |
901 |
err = usblp_check_status(usblp, err); |
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|
902 |
printk(KERN_INFO "usblp%d: in usblp_wwait: finish executing usblp_check_status\n", |
| 903 |
usblp->minor); |
| 884 |
if (err == 1) { /* Paper out */ |
904 |
if (err == 1) { /* Paper out */ |
| 885 |
rc = -ENOSPC; |
905 |
rc = -ENOSPC; |
| 886 |
break; |
906 |
break; |
