diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-26 19:30:44 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-23 19:18:59 -0400 |
commit | 66d4bc30d128e7c7ac4cf64aa78cb76e971cec5b (patch) | |
tree | f135b2a7f15f592dd35eb2f9ea9687616fda942c | |
parent | 6e42a15803ddbeb3a6f8f64bf599398a0ef5912b (diff) |
USB: adutux: remove custom debug macro
Don't use a custom debug macro for just one driver, instead rely on the
in-kernel dynamic debugging logic, which can handle this much better.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/usb/misc/adutux.c | 97 |
1 files changed, 58 insertions, 39 deletions
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c index e8a9e16789f5..885f99322a84 100644 --- a/drivers/usb/misc/adutux.c +++ b/drivers/usb/misc/adutux.c | |||
@@ -147,10 +147,8 @@ static void adu_abort_transfers(struct adu_device *dev) | |||
147 | { | 147 | { |
148 | unsigned long flags; | 148 | unsigned long flags; |
149 | 149 | ||
150 | if (dev->udev == NULL) { | 150 | if (dev->udev == NULL) |
151 | dbg(1, " %s : udev is null", __func__); | ||
152 | return; | 151 | return; |
153 | } | ||
154 | 152 | ||
155 | /* shutdown transfer */ | 153 | /* shutdown transfer */ |
156 | 154 | ||
@@ -195,8 +193,9 @@ static void adu_interrupt_in_callback(struct urb *urb) | |||
195 | if (status != 0) { | 193 | if (status != 0) { |
196 | if ((status != -ENOENT) && (status != -ECONNRESET) && | 194 | if ((status != -ENOENT) && (status != -ECONNRESET) && |
197 | (status != -ESHUTDOWN)) { | 195 | (status != -ESHUTDOWN)) { |
198 | dbg(1, " %s : nonzero status received: %d", | 196 | dev_dbg(&dev->udev->dev, |
199 | __func__, status); | 197 | "%s : nonzero status received: %d\n", |
198 | __func__, status); | ||
200 | } | 199 | } |
201 | goto exit; | 200 | goto exit; |
202 | } | 201 | } |
@@ -210,10 +209,11 @@ static void adu_interrupt_in_callback(struct urb *urb) | |||
210 | dev->interrupt_in_buffer, urb->actual_length); | 209 | dev->interrupt_in_buffer, urb->actual_length); |
211 | 210 | ||
212 | dev->read_buffer_length += urb->actual_length; | 211 | dev->read_buffer_length += urb->actual_length; |
213 | dbg(2, " %s reading %d ", __func__, | 212 | dev_dbg(&dev->udev->dev,"%s reading %d\n", __func__, |
214 | urb->actual_length); | 213 | urb->actual_length); |
215 | } else { | 214 | } else { |
216 | dbg(1, " %s : read_buffer overflow", __func__); | 215 | dev_dbg(&dev->udev->dev,"%s : read_buffer overflow\n", |
216 | __func__); | ||
217 | } | 217 | } |
218 | } | 218 | } |
219 | 219 | ||
@@ -236,8 +236,9 @@ static void adu_interrupt_out_callback(struct urb *urb) | |||
236 | if (status != 0) { | 236 | if (status != 0) { |
237 | if ((status != -ENOENT) && | 237 | if ((status != -ENOENT) && |
238 | (status != -ECONNRESET)) { | 238 | (status != -ECONNRESET)) { |
239 | dbg(1, " %s :nonzero status received: %d", | 239 | dev_dbg(&dev->udev->dev, |
240 | __func__, status); | 240 | "%s :nonzero status received: %d\n", __func__, |
241 | status); | ||
241 | } | 242 | } |
242 | goto exit; | 243 | goto exit; |
243 | } | 244 | } |
@@ -262,10 +263,8 @@ static int adu_open(struct inode *inode, struct file *file) | |||
262 | subminor = iminor(inode); | 263 | subminor = iminor(inode); |
263 | 264 | ||
264 | retval = mutex_lock_interruptible(&adutux_mutex); | 265 | retval = mutex_lock_interruptible(&adutux_mutex); |
265 | if (retval) { | 266 | if (retval) |
266 | dbg(2, "%s : mutex lock failed", __func__); | ||
267 | goto exit_no_lock; | 267 | goto exit_no_lock; |
268 | } | ||
269 | 268 | ||
270 | interface = usb_find_interface(&adu_driver, subminor); | 269 | interface = usb_find_interface(&adu_driver, subminor); |
271 | if (!interface) { | 270 | if (!interface) { |
@@ -288,7 +287,8 @@ static int adu_open(struct inode *inode, struct file *file) | |||
288 | } | 287 | } |
289 | 288 | ||
290 | ++dev->open_count; | 289 | ++dev->open_count; |
291 | dbg(2, "%s : open count %d", __func__, dev->open_count); | 290 | dev_dbg(&dev->udev->dev, "%s: open count %d\n", __func__, |
291 | dev->open_count); | ||
292 | 292 | ||
293 | /* save device in the file's private structure */ | 293 | /* save device in the file's private structure */ |
294 | file->private_data = dev; | 294 | file->private_data = dev; |
@@ -325,7 +325,8 @@ static void adu_release_internal(struct adu_device *dev) | |||
325 | { | 325 | { |
326 | /* decrement our usage count for the device */ | 326 | /* decrement our usage count for the device */ |
327 | --dev->open_count; | 327 | --dev->open_count; |
328 | dbg(2, " %s : open count %d", __func__, dev->open_count); | 328 | dev_dbg(&dev->udev->dev, "%s : open count %d\n", __func__, |
329 | dev->open_count); | ||
329 | if (dev->open_count <= 0) { | 330 | if (dev->open_count <= 0) { |
330 | adu_abort_transfers(dev); | 331 | adu_abort_transfers(dev); |
331 | dev->open_count = 0; | 332 | dev->open_count = 0; |
@@ -338,14 +339,12 @@ static int adu_release(struct inode *inode, struct file *file) | |||
338 | int retval = 0; | 339 | int retval = 0; |
339 | 340 | ||
340 | if (file == NULL) { | 341 | if (file == NULL) { |
341 | dbg(1, " %s : file is NULL", __func__); | ||
342 | retval = -ENODEV; | 342 | retval = -ENODEV; |
343 | goto exit; | 343 | goto exit; |
344 | } | 344 | } |
345 | 345 | ||
346 | dev = file->private_data; | 346 | dev = file->private_data; |
347 | if (dev == NULL) { | 347 | if (dev == NULL) { |
348 | dbg(1, " %s : object is NULL", __func__); | ||
349 | retval = -ENODEV; | 348 | retval = -ENODEV; |
350 | goto exit; | 349 | goto exit; |
351 | } | 350 | } |
@@ -353,7 +352,7 @@ static int adu_release(struct inode *inode, struct file *file) | |||
353 | mutex_lock(&adutux_mutex); /* not interruptible */ | 352 | mutex_lock(&adutux_mutex); /* not interruptible */ |
354 | 353 | ||
355 | if (dev->open_count <= 0) { | 354 | if (dev->open_count <= 0) { |
356 | dbg(1, " %s : device not opened", __func__); | 355 | dev_dbg(&dev->udev->dev, "%s : device not opened\n", __func__); |
357 | retval = -ENODEV; | 356 | retval = -ENODEV; |
358 | goto unlock; | 357 | goto unlock; |
359 | } | 358 | } |
@@ -397,17 +396,19 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, | |||
397 | 396 | ||
398 | /* verify that some data was requested */ | 397 | /* verify that some data was requested */ |
399 | if (count == 0) { | 398 | if (count == 0) { |
400 | dbg(1, " %s : read request of 0 bytes", __func__); | 399 | dev_dbg(&dev->udev->dev, "%s : read request of 0 bytes\n", |
400 | __func__); | ||
401 | goto exit; | 401 | goto exit; |
402 | } | 402 | } |
403 | 403 | ||
404 | timeout = COMMAND_TIMEOUT; | 404 | timeout = COMMAND_TIMEOUT; |
405 | dbg(2, " %s : about to start looping", __func__); | 405 | dev_dbg(&dev->udev->dev, "%s : about to start looping\n", __func__); |
406 | while (bytes_to_read) { | 406 | while (bytes_to_read) { |
407 | int data_in_secondary = dev->secondary_tail - dev->secondary_head; | 407 | int data_in_secondary = dev->secondary_tail - dev->secondary_head; |
408 | dbg(2, " %s : while, data_in_secondary=%d, status=%d", | 408 | dev_dbg(&dev->udev->dev, |
409 | __func__, data_in_secondary, | 409 | "%s : while, data_in_secondary=%d, status=%d\n", |
410 | dev->interrupt_in_urb->status); | 410 | __func__, data_in_secondary, |
411 | dev->interrupt_in_urb->status); | ||
411 | 412 | ||
412 | if (data_in_secondary) { | 413 | if (data_in_secondary) { |
413 | /* drain secondary buffer */ | 414 | /* drain secondary buffer */ |
@@ -430,8 +431,9 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, | |||
430 | if (dev->read_buffer_length) { | 431 | if (dev->read_buffer_length) { |
431 | /* we secure access to the primary */ | 432 | /* we secure access to the primary */ |
432 | char *tmp; | 433 | char *tmp; |
433 | dbg(2, " %s : swap, read_buffer_length = %d", | 434 | dev_dbg(&dev->udev->dev, |
434 | __func__, dev->read_buffer_length); | 435 | "%s : swap, read_buffer_length = %d\n", |
436 | __func__, dev->read_buffer_length); | ||
435 | tmp = dev->read_buffer_secondary; | 437 | tmp = dev->read_buffer_secondary; |
436 | dev->read_buffer_secondary = dev->read_buffer_primary; | 438 | dev->read_buffer_secondary = dev->read_buffer_primary; |
437 | dev->read_buffer_primary = tmp; | 439 | dev->read_buffer_primary = tmp; |
@@ -446,10 +448,14 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, | |||
446 | if (!dev->read_urb_finished) { | 448 | if (!dev->read_urb_finished) { |
447 | /* somebody is doing IO */ | 449 | /* somebody is doing IO */ |
448 | spin_unlock_irqrestore(&dev->buflock, flags); | 450 | spin_unlock_irqrestore(&dev->buflock, flags); |
449 | dbg(2, " %s : submitted already", __func__); | 451 | dev_dbg(&dev->udev->dev, |
452 | "%s : submitted already\n", | ||
453 | __func__); | ||
450 | } else { | 454 | } else { |
451 | /* we must initiate input */ | 455 | /* we must initiate input */ |
452 | dbg(2, " %s : initiate input", __func__); | 456 | dev_dbg(&dev->udev->dev, |
457 | "%s : initiate input\n", | ||
458 | __func__); | ||
453 | dev->read_urb_finished = 0; | 459 | dev->read_urb_finished = 0; |
454 | spin_unlock_irqrestore(&dev->buflock, flags); | 460 | spin_unlock_irqrestore(&dev->buflock, flags); |
455 | 461 | ||
@@ -467,7 +473,9 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, | |||
467 | if (retval == -ENOMEM) { | 473 | if (retval == -ENOMEM) { |
468 | retval = bytes_read ? bytes_read : -ENOMEM; | 474 | retval = bytes_read ? bytes_read : -ENOMEM; |
469 | } | 475 | } |
470 | dbg(2, " %s : submit failed", __func__); | 476 | dev_dbg(&dev->udev->dev, |
477 | "%s : submit failed\n", | ||
478 | __func__); | ||
471 | goto exit; | 479 | goto exit; |
472 | } | 480 | } |
473 | } | 481 | } |
@@ -486,13 +494,16 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, | |||
486 | remove_wait_queue(&dev->read_wait, &wait); | 494 | remove_wait_queue(&dev->read_wait, &wait); |
487 | 495 | ||
488 | if (timeout <= 0) { | 496 | if (timeout <= 0) { |
489 | dbg(2, " %s : timeout", __func__); | 497 | dev_dbg(&dev->udev->dev, |
498 | "%s : timeout\n", __func__); | ||
490 | retval = bytes_read ? bytes_read : -ETIMEDOUT; | 499 | retval = bytes_read ? bytes_read : -ETIMEDOUT; |
491 | goto exit; | 500 | goto exit; |
492 | } | 501 | } |
493 | 502 | ||
494 | if (signal_pending(current)) { | 503 | if (signal_pending(current)) { |
495 | dbg(2, " %s : signal pending", __func__); | 504 | dev_dbg(&dev->udev->dev, |
505 | "%s : signal pending\n", | ||
506 | __func__); | ||
496 | retval = bytes_read ? bytes_read : -EINTR; | 507 | retval = bytes_read ? bytes_read : -EINTR; |
497 | goto exit; | 508 | goto exit; |
498 | } | 509 | } |
@@ -555,7 +566,8 @@ static ssize_t adu_write(struct file *file, const __user char *buffer, | |||
555 | 566 | ||
556 | /* verify that we actually have some data to write */ | 567 | /* verify that we actually have some data to write */ |
557 | if (count == 0) { | 568 | if (count == 0) { |
558 | dbg(1, " %s : write request of 0 bytes", __func__); | 569 | dev_dbg(&dev->udev->dev, "%s : write request of 0 bytes\n", |
570 | __func__); | ||
559 | goto exit; | 571 | goto exit; |
560 | } | 572 | } |
561 | 573 | ||
@@ -568,13 +580,15 @@ static ssize_t adu_write(struct file *file, const __user char *buffer, | |||
568 | 580 | ||
569 | mutex_unlock(&dev->mtx); | 581 | mutex_unlock(&dev->mtx); |
570 | if (signal_pending(current)) { | 582 | if (signal_pending(current)) { |
571 | dbg(1, " %s : interrupted", __func__); | 583 | dev_dbg(&dev->udev->dev, "%s : interrupted\n", |
584 | __func__); | ||
572 | set_current_state(TASK_RUNNING); | 585 | set_current_state(TASK_RUNNING); |
573 | retval = -EINTR; | 586 | retval = -EINTR; |
574 | goto exit_onqueue; | 587 | goto exit_onqueue; |
575 | } | 588 | } |
576 | if (schedule_timeout(COMMAND_TIMEOUT) == 0) { | 589 | if (schedule_timeout(COMMAND_TIMEOUT) == 0) { |
577 | dbg(1, "%s - command timed out.", __func__); | 590 | dev_dbg(&dev->udev->dev, |
591 | "%s - command timed out.\n", __func__); | ||
578 | retval = -ETIMEDOUT; | 592 | retval = -ETIMEDOUT; |
579 | goto exit_onqueue; | 593 | goto exit_onqueue; |
580 | } | 594 | } |
@@ -585,18 +599,22 @@ static ssize_t adu_write(struct file *file, const __user char *buffer, | |||
585 | goto exit_nolock; | 599 | goto exit_nolock; |
586 | } | 600 | } |
587 | 601 | ||
588 | dbg(4, " %s : in progress, count = %Zd", __func__, count); | 602 | dev_dbg(&dev->udev->dev, |
603 | "%s : in progress, count = %Zd\n", | ||
604 | __func__, count); | ||
589 | } else { | 605 | } else { |
590 | spin_unlock_irqrestore(&dev->buflock, flags); | 606 | spin_unlock_irqrestore(&dev->buflock, flags); |
591 | set_current_state(TASK_RUNNING); | 607 | set_current_state(TASK_RUNNING); |
592 | remove_wait_queue(&dev->write_wait, &waita); | 608 | remove_wait_queue(&dev->write_wait, &waita); |
593 | dbg(4, " %s : sending, count = %Zd", __func__, count); | 609 | dev_dbg(&dev->udev->dev, "%s : sending, count = %Zd\n", |
610 | __func__, count); | ||
594 | 611 | ||
595 | /* write the data into interrupt_out_buffer from userspace */ | 612 | /* write the data into interrupt_out_buffer from userspace */ |
596 | buffer_size = usb_endpoint_maxp(dev->interrupt_out_endpoint); | 613 | buffer_size = usb_endpoint_maxp(dev->interrupt_out_endpoint); |
597 | bytes_to_write = count > buffer_size ? buffer_size : count; | 614 | bytes_to_write = count > buffer_size ? buffer_size : count; |
598 | dbg(4, " %s : buffer_size = %Zd, count = %Zd, bytes_to_write = %Zd", | 615 | dev_dbg(&dev->udev->dev, |
599 | __func__, buffer_size, count, bytes_to_write); | 616 | "%s : buffer_size = %Zd, count = %Zd, bytes_to_write = %Zd\n", |
617 | __func__, buffer_size, count, bytes_to_write); | ||
600 | 618 | ||
601 | if (copy_from_user(dev->interrupt_out_buffer, buffer, bytes_to_write) != 0) { | 619 | if (copy_from_user(dev->interrupt_out_buffer, buffer, bytes_to_write) != 0) { |
602 | retval = -EFAULT; | 620 | retval = -EFAULT; |
@@ -779,7 +797,7 @@ static int adu_probe(struct usb_interface *interface, | |||
779 | dev_err(&interface->dev, "Could not retrieve serial number\n"); | 797 | dev_err(&interface->dev, "Could not retrieve serial number\n"); |
780 | goto error; | 798 | goto error; |
781 | } | 799 | } |
782 | dbg(2, " %s : serial_number=%s", __func__, dev->serial_number); | 800 | dev_dbg(&interface->dev,"serial_number=%s", dev->serial_number); |
783 | 801 | ||
784 | /* we can register the device now, as it is ready */ | 802 | /* we can register the device now, as it is ready */ |
785 | usb_set_intfdata(interface, dev); | 803 | usb_set_intfdata(interface, dev); |
@@ -829,7 +847,8 @@ static void adu_disconnect(struct usb_interface *interface) | |||
829 | usb_set_intfdata(interface, NULL); | 847 | usb_set_intfdata(interface, NULL); |
830 | 848 | ||
831 | /* if the device is not opened, then we clean up right now */ | 849 | /* if the device is not opened, then we clean up right now */ |
832 | dbg(2, " %s : open count %d", __func__, dev->open_count); | 850 | dev_dbg(&dev->udev->dev, "%s : open count %d\n", |
851 | __func__, dev->open_count); | ||
833 | if (!dev->open_count) | 852 | if (!dev->open_count) |
834 | adu_delete(dev); | 853 | adu_delete(dev); |
835 | 854 | ||