[PATCH v5 12/12] media: uvcvideo: use dev_dbg() for uvc_trace()

Ricardo Ribalda
2020-12-21T18:36:16Z

Instead of calling prink() inside uvc_trace, use dev_dbg(), which add
context to the output.

Now that we are at it, regroup the strings so the messages can be easily
"grepable".

Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
drivers/media/usb/uvc/uvc_ctrl.c | 66 ++++---
drivers/media/usb/uvc/uvc_driver.c | 298 +++++++++++++++--------------
drivers/media/usb/uvc/uvc_isight.c | 16 +-
drivers/media/usb/uvc/uvc_queue.c | 9 +-
drivers/media/usb/uvc/uvc_status.c | 19 +-
drivers/media/usb/uvc/uvc_v4l2.c | 53 +++--
drivers/media/usb/uvc/uvc_video.c | 72 +++----
drivers/media/usb/uvc/uvcvideo.h | 11 +-
8 files changed, 291 insertions(+), 253 deletions(-)

diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index 1f1323a649fb..febe20e2887d 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -906,8 +906,8 @@ static struct uvc_control *uvc_find_control(struct uvc_video_chain *chain,
}

if (ctrl == NULL && !next)
- uvc_trace(UVC_TRACE_CONTROL, "Control 0x%08x not found.\n",
- v4l2_id);
+ uvc_trace(chain->dev, UVC_TRACE_CONTROL,
+ "Control 0x%08x not found.\n", v4l2_id);

return ctrl;
}
@@ -1828,9 +1828,9 @@ static int uvc_ctrl_fill_xu_info(struct uvc_device *dev,
ret = uvc_query_ctrl(dev, UVC_GET_LEN, ctrl->entity->id, dev->intfnum,
info->selector, data, 2);
if (ret < 0) {
- uvc_trace(UVC_TRACE_CONTROL,
+ uvc_trace(dev, UVC_TRACE_CONTROL,
"GET_LEN failed on control %pUl/%u (%d).\n",
- info->entity, info->selector, ret);
+ info->entity, info->selector, ret);
goto done;
}

@@ -1841,7 +1841,7 @@ static int uvc_ctrl_fill_xu_info(struct uvc_device *dev,

ret = uvc_ctrl_get_flags(dev, ctrl, info);
if (ret < 0) {
- uvc_trace(UVC_TRACE_CONTROL,
+ uvc_trace(dev, UVC_TRACE_CONTROL,
"Failed to get flags for control %pUl/%u (%d).\n",
info->entity, info->selector, ret);
goto done;
@@ -1849,8 +1849,8 @@ static int uvc_ctrl_fill_xu_info(struct uvc_device *dev,

uvc_ctrl_fixup_xu_info(dev, ctrl, info);

- uvc_trace(UVC_TRACE_CONTROL, "XU control %pUl/%u queried: len %u, "
- "flags { get %u set %u auto %u }.\n",
+ uvc_trace(dev, UVC_TRACE_CONTROL,
+ "XU control %pUl/%u queried: len %u, flags { get %u set %u auto %u }.\n",
info->entity, info->selector, info->size,
(info->flags & UVC_CTRL_FLAG_GET_CUR) ? 1 : 0,
(info->flags & UVC_CTRL_FLAG_SET_CUR) ? 1 : 0,
@@ -1879,9 +1879,10 @@ static int uvc_ctrl_init_xu_ctrl(struct uvc_device *dev,

ret = uvc_ctrl_add_info(dev, ctrl, &info);
if (ret < 0)
- uvc_trace(UVC_TRACE_CONTROL, "Failed to initialize control "
- "%pUl/%u on device %s entity %u\n", info.entity,
- info.selector, dev->udev->devpath, ctrl->entity->id);
+ uvc_trace(dev, UVC_TRACE_CONTROL,
+ "Failed to initialize control %pUl/%u on device %s entity %u\n",
+ info.entity, info.selector, dev->udev->devpath,
+ ctrl->entity->id);

return ret;
}
@@ -1909,8 +1910,8 @@ int uvc_xu_ctrl_query(struct uvc_video_chain *chain,
}

if (!found) {
- uvc_trace(UVC_TRACE_CONTROL, "Extension unit %u not found.\n",
- xqry->unit);
+ uvc_trace(chain->dev, UVC_TRACE_CONTROL,
+ "Extension unit %u not found.\n", xqry->unit);
return -ENOENT;
}

@@ -1925,8 +1926,9 @@ int uvc_xu_ctrl_query(struct uvc_video_chain *chain,
}

if (!found) {
- uvc_trace(UVC_TRACE_CONTROL, "Control %pUl/%u not found.\n",
- entity->guid, xqry->selector);
+ uvc_trace(chain->dev, UVC_TRACE_CONTROL,
+ "Control %pUl/%u not found.\n", entity->guid,
+ xqry->selector);
return -ENOENT;
}

@@ -2074,9 +2076,10 @@ static int uvc_ctrl_add_info(struct uvc_device *dev, struct uvc_control *ctrl,

ctrl->initialized = 1;

- uvc_trace(UVC_TRACE_CONTROL, "Added control %pUl/%u to device %s "
- "entity %u\n", ctrl->info.entity, ctrl->info.selector,
- dev->udev->devpath, ctrl->entity->id);
+ uvc_trace(dev, UVC_TRACE_CONTROL,
+ "Added control %pUl/%u to device %s entity %u\n",
+ ctrl->info.entity, ctrl->info.selector, dev->udev->devpath,
+ ctrl->entity->id);

return 0;
}
@@ -2113,9 +2116,9 @@ static int __uvc_ctrl_add_mapping(struct uvc_device *dev,
map->set = uvc_set_le_value;

list_add_tail(&map->list, &ctrl->info.mappings);
- uvc_trace(UVC_TRACE_CONTROL,
- "Adding mapping '%s' to control %pUl/%u.\n",
- map->name, ctrl->info.entity, ctrl->info.selector);
+ uvc_trace(dev, UVC_TRACE_CONTROL,
+ "Adding mapping '%s' to control %pUl/%u.\n",
+ map->name, ctrl->info.entity, ctrl->info.selector);

return 0;
}
@@ -2131,9 +2134,9 @@ int uvc_ctrl_add_mapping(struct uvc_video_chain *chain,
int ret;

if (mapping->id & ~V4L2_CTRL_ID_MASK) {
- uvc_trace(UVC_TRACE_CONTROL, "Can't add mapping '%s', control "
- "id 0x%08x is invalid.\n", mapping->name,
- mapping->id);
+ uvc_trace(dev, UVC_TRACE_CONTROL,
+ "Can't add mapping '%s', control id 0x%08x is invalid.\n",
+ mapping->name, mapping->id);
return -EINVAL;
}

@@ -2178,9 +2181,9 @@ int uvc_ctrl_add_mapping(struct uvc_video_chain *chain,

list_for_each_entry(map, &ctrl->info.mappings, list) {
if (mapping->id == map->id) {
- uvc_trace(UVC_TRACE_CONTROL, "Can't add mapping '%s', "
- "control id 0x%08x already exists.\n",
- mapping->name, mapping->id);
+ uvc_trace(dev, UVC_TRACE_CONTROL,
+ "Can't add mapping '%s', control id 0x%08x already exists.\n",
+ mapping->name, mapping->id);
ret = -EEXIST;
goto done;
}
@@ -2189,9 +2192,9 @@ int uvc_ctrl_add_mapping(struct uvc_video_chain *chain,
/* Prevent excess memory consumption */
if (atomic_inc_return(&dev->nmappings) > UVC_MAX_CONTROL_MAPPINGS) {
atomic_dec(&dev->nmappings);
- uvc_trace(UVC_TRACE_CONTROL, "Can't add mapping '%s', maximum "
- "mappings count (%u) exceeded.\n", mapping->name,
- UVC_MAX_CONTROL_MAPPINGS);
+ uvc_trace(dev, UVC_TRACE_CONTROL,
+ "Can't add mapping '%s', maximum mappings count (%u) exceeded.\n",
+ mapping->name, UVC_MAX_CONTROL_MAPPINGS);
ret = -ENOMEM;
goto done;
}
@@ -2260,8 +2263,9 @@ static void uvc_ctrl_prune_entity(struct uvc_device *dev,
!uvc_test_bit(controls, blacklist[i].index))
continue;

- uvc_trace(UVC_TRACE_CONTROL, "%u/%u control is black listed, "
- "removing it.\n", entity->id, blacklist[i].index);
+ uvc_trace(dev, UVC_TRACE_CONTROL,
+ "%u/%u control is black listed, removing it.\n",
+ entity->id, blacklist[i].index);

uvc_clear_bit(controls, blacklist[i].index);
}
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index ea64c716f1f3..f857bb9b7755 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -521,10 +521,10 @@ static int uvc_parse_format(struct uvc_device *dev,
case UVC_VS_FORMAT_FRAME_BASED:
n = buffer[2] == UVC_VS_FORMAT_UNCOMPRESSED ? 27 : 28;
if (buflen < n) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming "
- "interface %d FORMAT error\n",
- dev->udev->devnum,
- alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videostreaming interface %d FORMAT error\n",
+ dev->udev->devnum,
+ alts->desc.bInterfaceNumber);
return -EINVAL;
}

@@ -585,10 +585,10 @@ static int uvc_parse_format(struct uvc_device *dev,

case UVC_VS_FORMAT_MJPEG:
if (buflen < 11) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming "
- "interface %d FORMAT error\n",
- dev->udev->devnum,
- alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videostreaming interface %d FORMAT error\n",
+ dev->udev->devnum,
+ alts->desc.bInterfaceNumber);
return -EINVAL;
}

@@ -601,10 +601,10 @@ static int uvc_parse_format(struct uvc_device *dev,

case UVC_VS_FORMAT_DV:
if (buflen < 9) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming "
- "interface %d FORMAT error\n",
- dev->udev->devnum,
- alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videostreaming interface %d FORMAT error\n",
+ dev->udev->devnum,
+ alts->desc.bInterfaceNumber);
return -EINVAL;
}

@@ -619,9 +619,9 @@ static int uvc_parse_format(struct uvc_device *dev,
strscpy(format->name, "HD-DV", sizeof(format->name));
break;
default:
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming "
- "interface %d: unknown DV format %u\n",
- dev->udev->devnum,
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videostreaming interface %d: unknown DV format %u\n",
+ dev->udev->devnum,
alts->desc.bInterfaceNumber, buffer[8]);
return -EINVAL;
}
@@ -648,14 +648,14 @@ static int uvc_parse_format(struct uvc_device *dev,
case UVC_VS_FORMAT_STREAM_BASED:
/* Not supported yet. */
default:
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming "
- "interface %d unsupported format %u\n",
- dev->udev->devnum, alts->desc.bInterfaceNumber,
- buffer[2]);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videostreaming interface %d unsupported format %u\n",
+ dev->udev->devnum, alts->desc.bInterfaceNumber,
+ buffer[2]);
return -EINVAL;
}

- uvc_trace(UVC_TRACE_DESCR, "Found format %s.\n", format->name);
+ uvc_trace(dev, UVC_TRACE_DESCR, "Found format %s.\n", format->name);

buflen -= buffer[0];
buffer += buffer[0];
@@ -674,9 +674,10 @@ static int uvc_parse_format(struct uvc_device *dev,
n = n ? n : 3;

if (buflen < 26 + 4*n) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming "
- "interface %d FRAME error\n", dev->udev->devnum,
- alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videostreaming interface %d FRAME error\n",
+ dev->udev->devnum,
+ alts->desc.bInterfaceNumber);
return -EINVAL;
}

@@ -738,10 +739,10 @@ static int uvc_parse_format(struct uvc_device *dev,
frame->dwDefaultFrameInterval;
}

- uvc_trace(UVC_TRACE_DESCR, "- %ux%u (%u.%u fps)\n",
- frame->wWidth, frame->wHeight,
- 10000000/frame->dwDefaultFrameInterval,
- (100000000/frame->dwDefaultFrameInterval)%10);
+ uvc_trace(dev, UVC_TRACE_DESCR, "- %ux%u (%u.%u fps)\n",
+ frame->wWidth, frame->wHeight,
+ 10000000 / frame->dwDefaultFrameInterval,
+ (100000000 / frame->dwDefaultFrameInterval) % 10);

format->nframes++;
buflen -= buffer[0];
@@ -757,10 +758,10 @@ static int uvc_parse_format(struct uvc_device *dev,
if (buflen > 2 && buffer[1] == USB_DT_CS_INTERFACE &&
buffer[2] == UVC_VS_COLORFORMAT) {
if (buflen < 6) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming "
- "interface %d COLORFORMAT error\n",
- dev->udev->devnum,
- alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videostreaming interface %d COLORFORMAT error\n",
+ dev->udev->devnum,
+ alts->desc.bInterfaceNumber);
return -EINVAL;
}

@@ -792,16 +793,18 @@ static int uvc_parse_streaming(struct uvc_device *dev,

if (intf->cur_altsetting->desc.bInterfaceSubClass
!= UVC_SC_VIDEOSTREAMING) {
- uvc_trace(UVC_TRACE_DESCR, "device %d interface %d isn't a "
- "video streaming interface\n", dev->udev->devnum,
- intf->altsetting[0].desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d interface %d isn't a video streaming interface\n",
+ dev->udev->devnum,
+ intf->altsetting[0].desc.bInterfaceNumber);
return -EINVAL;
}

if (usb_driver_claim_interface(&uvc_driver.driver, intf, dev)) {
- uvc_trace(UVC_TRACE_DESCR, "device %d interface %d is already "
- "claimed\n", dev->udev->devnum,
- intf->altsetting[0].desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d interface %d is already claimed\n",
+ dev->udev->devnum,
+ intf->altsetting[0].desc.bInterfaceNumber);
return -EINVAL;
}

@@ -823,8 +826,9 @@ static int uvc_parse_streaming(struct uvc_device *dev,

if (ep->extralen > 2 &&
ep->extra[1] == USB_DT_CS_INTERFACE) {
- uvc_trace(UVC_TRACE_DESCR, "trying extra data "
- "from endpoint %u.\n", i);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "trying extra data from endpoint %u.\n",
+ i);
buffer = alts->endpoint[i].extra;
buflen = alts->endpoint[i].extralen;
break;
@@ -839,8 +843,8 @@ static int uvc_parse_streaming(struct uvc_device *dev,
}

if (buflen <= 2) {
- uvc_trace(UVC_TRACE_DESCR, "no class-specific streaming "
- "interface descriptors found.\n");
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "no class-specific streaming interface descriptors found.\n");
goto error;
}

@@ -857,9 +861,9 @@ static int uvc_parse_streaming(struct uvc_device *dev,
break;

default:
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming interface "
- "%d HEADER descriptor not found.\n", dev->udev->devnum,
- alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videostreaming interface %d HEADER descriptor not found.\n",
+ dev->udev->devnum, alts->desc.bInterfaceNumber);
goto error;
}

@@ -867,9 +871,9 @@ static int uvc_parse_streaming(struct uvc_device *dev,
n = buflen >= size ? buffer[size-1] : 0;

if (buflen < size + p*n) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming "
- "interface %d HEADER descriptor is invalid.\n",
- dev->udev->devnum, alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videostreaming interface %d HEADER descriptor is invalid.\n",
+ dev->udev->devnum, alts->desc.bInterfaceNumber);
goto error;
}

@@ -919,10 +923,10 @@ static int uvc_parse_streaming(struct uvc_device *dev,

case UVC_VS_FORMAT_MPEG2TS:
case UVC_VS_FORMAT_STREAM_BASED:
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming "
- "interface %d FORMAT %u is not supported.\n",
- dev->udev->devnum,
- alts->desc.bInterfaceNumber, _buffer[2]);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videostreaming interface %d FORMAT %u is not supported.\n",
+ dev->udev->devnum,
+ alts->desc.bInterfaceNumber, _buffer[2]);
break;

case UVC_VS_FRAME_UNCOMPRESSED:
@@ -944,9 +948,9 @@ static int uvc_parse_streaming(struct uvc_device *dev,
}

if (nformats == 0) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming interface "
- "%d has no supported formats defined.\n",
- dev->udev->devnum, alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videostreaming interface %d has no supported formats defined.\n",
+ dev->udev->devnum, alts->desc.bInterfaceNumber);
goto error;
}

@@ -993,9 +997,10 @@ static int uvc_parse_streaming(struct uvc_device *dev,
}

if (buflen)
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming interface "
- "%d has %u bytes of trailing descriptor garbage.\n",
- dev->udev->devnum, alts->desc.bInterfaceNumber, buflen);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videostreaming interface %d has %u bytes of trailing descriptor garbage.\n",
+ dev->udev->devnum, alts->desc.bInterfaceNumber,
+ buflen);

/* Parse the alternate settings to find the maximum bandwidth. */
for (i = 0; i < intf->num_altsetting; ++i) {
@@ -1128,9 +1133,9 @@ static int uvc_parse_vendor_control(struct uvc_device *dev,
n = buflen >= 25 + p ? buffer[22+p] : 0;

if (buflen < 25 + p + 2*n) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
- "interface %d EXTENSION_UNIT error\n",
- udev->devnum, alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videocontrol interface %d EXTENSION_UNIT error\n",
+ udev->devnum, alts->desc.bInterfaceNumber);
break;
}

@@ -1177,9 +1182,9 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
n = buflen >= 12 ? buffer[11] : 0;

if (buflen < 12 + n) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
- "interface %d HEADER error\n", udev->devnum,
- alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videocontrol interface %d HEADER error\n",
+ udev->devnum, alts->desc.bInterfaceNumber);
return -EINVAL;
}

@@ -1190,9 +1195,9 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
for (i = 0; i < n; ++i) {
intf = usb_ifnum_to_if(udev, buffer[12+i]);
if (intf == NULL) {
- uvc_trace(UVC_TRACE_DESCR, "device %d "
- "interface %d doesn't exists\n",
- udev->devnum, i);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d interface %d doesn't exists\n",
+ udev->devnum, i);
continue;
}

@@ -1202,9 +1207,9 @@ static int uvc_parse_standard_control(struct uvc_device *dev,

case UVC_VC_INPUT_TERMINAL:
if (buflen < 8) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
- "interface %d INPUT_TERMINAL error\n",
- udev->devnum, alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videocontrol interface %d INPUT_TERMINAL error\n",
+ udev->devnum, alts->desc.bInterfaceNumber);
return -EINVAL;
}

@@ -1221,11 +1226,10 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
*/
type = get_unaligned_le16(&buffer[4]);
if ((type & 0x7f00) == 0 || (type & 0x8000) != 0) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
- "interface %d INPUT_TERMINAL %d has invalid "
- "type 0x%04x, skipping\n", udev->devnum,
- alts->desc.bInterfaceNumber,
- buffer[3], type);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videocontrol interface %d INPUT_TERMINAL %d has invalid type 0x%04x, skipping\n",
+ udev->devnum, alts->desc.bInterfaceNumber,
+ buffer[3], type);
return 0;
}

@@ -1244,9 +1248,9 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
}

if (buflen < len + n + p) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
- "interface %d INPUT_TERMINAL error\n",
- udev->devnum, alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videocontrol interface %d INPUT_TERMINAL error\n",
+ udev->devnum, alts->desc.bInterfaceNumber);
return -EINVAL;
}

@@ -1291,9 +1295,9 @@ static int uvc_parse_standard_control(struct uvc_device *dev,

case UVC_VC_OUTPUT_TERMINAL:
if (buflen < 9) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
- "interface %d OUTPUT_TERMINAL error\n",
- udev->devnum, alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videocontrol interface %d OUTPUT_TERMINAL error\n",
+ udev->devnum, alts->desc.bInterfaceNumber);
return -EINVAL;
}

@@ -1302,10 +1306,10 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
*/
type = get_unaligned_le16(&buffer[4]);
if ((type & 0xff00) == 0) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
- "interface %d OUTPUT_TERMINAL %d has invalid "
- "type 0x%04x, skipping\n", udev->devnum,
- alts->desc.bInterfaceNumber, buffer[3], type);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videocontrol interface %d OUTPUT_TERMINAL %d has invalid type 0x%04x, skipping\n",
+ udev->devnum, alts->desc.bInterfaceNumber,
+ buffer[3], type);
return 0;
}

@@ -1329,9 +1333,9 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
p = buflen >= 5 ? buffer[4] : 0;

if (buflen < 5 || buflen < 6 + p) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
- "interface %d SELECTOR_UNIT error\n",
- udev->devnum, alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videocontrol interface %d SELECTOR_UNIT error\n",
+ udev->devnum, alts->desc.bInterfaceNumber);
return -EINVAL;
}

@@ -1355,9 +1359,9 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
p = dev->uvc_version >= 0x0110 ? 10 : 9;

if (buflen < p + n) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
- "interface %d PROCESSING_UNIT error\n",
- udev->devnum, alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videocontrol interface %d PROCESSING_UNIT error\n",
+ udev->devnum, alts->desc.bInterfaceNumber);
return -EINVAL;
}

@@ -1388,9 +1392,9 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
n = buflen >= 24 + p ? buffer[22+p] : 0;

if (buflen < 24 + p + n) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
- "interface %d EXTENSION_UNIT error\n",
- udev->devnum, alts->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "device %d videocontrol interface %d EXTENSION_UNIT error\n",
+ udev->devnum, alts->desc.bInterfaceNumber);
return -EINVAL;
}

@@ -1415,8 +1419,9 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
break;

default:
- uvc_trace(UVC_TRACE_DESCR, "Found an unknown CS_INTERFACE "
- "descriptor (%u)\n", buffer[2]);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "Found an unknown CS_INTERFACE descriptor (%u)\n",
+ buffer[2]);
break;
}

@@ -1461,8 +1466,9 @@ static int uvc_parse_control(struct uvc_device *dev)
if (usb_endpoint_is_int_in(desc) &&
le16_to_cpu(desc->wMaxPacketSize) >= 8 &&
desc->bInterval != 0) {
- uvc_trace(UVC_TRACE_DESCR, "Found a Status endpoint "
- "(addr %02x).\n", desc->bEndpointAddress);
+ uvc_trace(dev, UVC_TRACE_DESCR,
+ "Found a Status endpoint (addr %02x).\n",
+ desc->bEndpointAddress);
dev->int_ep = ep;
}
}
@@ -1689,8 +1695,9 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain,
uvc_trace_cont(UVC_TRACE_PROBE, " <- XU %d", entity->id);

if (entity->bNrInPins != 1) {
- uvc_trace(UVC_TRACE_DESCR, "Extension unit %d has more "
- "than 1 input pin.\n", entity->id);
+ uvc_trace(chain->dev, UVC_TRACE_DESCR,
+ "Extension unit %d has more than 1 input pin.\n",
+ entity->id);
return -1;
}

@@ -1700,8 +1707,8 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain,
uvc_trace_cont(UVC_TRACE_PROBE, " <- PU %d", entity->id);

if (chain->processing != NULL) {
- uvc_trace(UVC_TRACE_DESCR, "Found multiple "
- "Processing Units in chain.\n");
+ uvc_trace(chain->dev, UVC_TRACE_DESCR,
+ "Found multiple Processing Units in chain.\n");
return -1;
}

@@ -1716,8 +1723,8 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain,
break;

if (chain->selector != NULL) {
- uvc_trace(UVC_TRACE_DESCR, "Found multiple Selector "
- "Units in chain.\n");
+ uvc_trace(chain->dev, UVC_TRACE_DESCR,
+ "Found multiple Selector Units in chain.\n");
return -1;
}

@@ -1747,8 +1754,9 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain,
break;

default:
- uvc_trace(UVC_TRACE_DESCR, "Unsupported entity type "
- "0x%04x found in chain.\n", UVC_ENTITY_TYPE(entity));
+ uvc_trace(chain->dev, UVC_TRACE_DESCR,
+ "Unsupported entity type 0x%04x found in chain.\n",
+ UVC_ENTITY_TYPE(entity));
return -1;
}

@@ -1774,16 +1782,17 @@ static int uvc_scan_chain_forward(struct uvc_video_chain *chain,
if (forward == prev)
continue;
if (forward->chain.next || forward->chain.prev) {
- uvc_trace(UVC_TRACE_DESCR, "Found reference to "
- "entity %d already in chain.\n", forward->id);
+ uvc_trace(chain->dev, UVC_TRACE_DESCR,
+ "Found reference to entity %d already in chain.\n",
+ forward->id);
return -EINVAL;
}

switch (UVC_ENTITY_TYPE(forward)) {
case UVC_VC_EXTENSION_UNIT:
if (forward->bNrInPins != 1) {
- uvc_trace(UVC_TRACE_DESCR, "Extension unit %d "
- "has more than 1 input pin.\n",
+ uvc_trace(chain->dev, UVC_TRACE_DESCR,
+ "Extension unit %d has more than 1 input pin.\n",
entity->id);
return -EINVAL;
}
@@ -1801,8 +1810,9 @@ static int uvc_scan_chain_forward(struct uvc_video_chain *chain,
case UVC_OTT_MEDIA_TRANSPORT_OUTPUT:
case UVC_TT_STREAMING:
if (UVC_ENTITY_IS_ITERM(forward)) {
- uvc_trace(UVC_TRACE_DESCR, "Unsupported input "
- "terminal %u.\n", forward->id);
+ uvc_trace(chain->dev, UVC_TRACE_DESCR,
+ "Unsupported input terminal %u.\n",
+ forward->id);
return -EINVAL;
}

@@ -1848,16 +1858,16 @@ static int uvc_scan_chain_backward(struct uvc_video_chain *chain,
id = entity->baSourceID[i];
term = uvc_entity_by_id(chain->dev, id);
if (term == NULL || !UVC_ENTITY_IS_ITERM(term)) {
- uvc_trace(UVC_TRACE_DESCR, "Selector unit %d "
- "input %d isn't connected to an "
- "input terminal\n", entity->id, i);
+ uvc_trace(chain->dev, UVC_TRACE_DESCR,
+ "Selector unit %d input %d isn't connected to an input terminal\n",
+ entity->id, i);
return -1;
}

if (term->chain.next || term->chain.prev) {
- uvc_trace(UVC_TRACE_DESCR, "Found reference to "
- "entity %d already in chain.\n",
- term->id);
+ uvc_trace(chain->dev, UVC_TRACE_DESCR,
+ "Found reference to entity %d already in chain.\n",
+ term->id);
return -EINVAL;
}

@@ -1890,8 +1900,8 @@ static int uvc_scan_chain_backward(struct uvc_video_chain *chain,

entity = uvc_entity_by_id(chain->dev, id);
if (entity == NULL) {
- uvc_trace(UVC_TRACE_DESCR, "Found reference to "
- "unknown entity %d.\n", id);
+ uvc_trace(chain->dev, UVC_TRACE_DESCR,
+ "Found reference to unknown entity %d.\n", id);
return -EINVAL;
}

@@ -1904,7 +1914,7 @@ static int uvc_scan_chain(struct uvc_video_chain *chain,
{
struct uvc_entity *entity, *prev;

- uvc_trace(UVC_TRACE_PROBE, "Scanning UVC chain:");
+ uvc_trace(chain->dev, UVC_TRACE_PROBE, "Scanning UVC chain:");

entity = term;
prev = NULL;
@@ -1912,8 +1922,9 @@ static int uvc_scan_chain(struct uvc_video_chain *chain,
while (entity != NULL) {
/* Entity must not be part of an existing chain */
if (entity->chain.next || entity->chain.prev) {
- uvc_trace(UVC_TRACE_DESCR, "Found reference to "
- "entity %d already in chain.\n", entity->id);
+ uvc_trace(chain->dev, UVC_TRACE_DESCR,
+ "Found reference to entity %d already in chain.\n",
+ entity->id);
return -EINVAL;
}

@@ -2067,7 +2078,7 @@ static int uvc_scan_fallback(struct uvc_device *dev)

list_add_tail(&chain->list, &dev->chains);

- uvc_trace(UVC_TRACE_PROBE,
+ uvc_trace(dev, UVC_TRACE_PROBE,
"Found a video chain by fallback heuristic (%s).\n",
uvc_print_chain(chain));

@@ -2112,7 +2123,8 @@ static int uvc_scan_device(struct uvc_device *dev)
continue;
}

- uvc_trace(UVC_TRACE_PROBE, "Found a valid video chain (%s).\n",
+ uvc_trace(dev, UVC_TRACE_PROBE,
+ "Found a valid video chain (%s).\n",
uvc_print_chain(chain));

list_add_tail(&chain->list, &dev->chains);
@@ -2393,14 +2405,6 @@ static int uvc_probe(struct usb_interface *intf,
int function;
int ret;

- if (id->idVendor && id->idProduct)
- uvc_trace(UVC_TRACE_PROBE, "Probing known UVC device %s "
- "(%04x:%04x)\n", udev->devpath, id->idVendor,
- id->idProduct);
- else
- uvc_trace(UVC_TRACE_PROBE, "Probing generic UVC device %s\n",
- udev->devpath);
-
/* Allocate memory for the device and initialize it. */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL)
@@ -2420,6 +2424,14 @@ static int uvc_probe(struct usb_interface *intf,
dev->quirks = uvc_quirks_param == -1
? dev->info->quirks : uvc_quirks_param;

+ if (id->idVendor && id->idProduct)
+ uvc_trace(dev, UVC_TRACE_PROBE,
+ "Probing known UVC device %s (%04x:%04x)\n",
+ udev->devpath, id->idVendor, id->idProduct);
+ else
+ uvc_trace(dev, UVC_TRACE_PROBE,
+ "Probing generic UVC device %s\n", udev->devpath);
+
if (udev->product != NULL)
strscpy(dev->name, udev->product, sizeof(dev->name));
else
@@ -2462,14 +2474,14 @@ static int uvc_probe(struct usb_interface *intf,

/* Parse the Video Class control descriptor. */
if (uvc_parse_control(dev) < 0) {
- uvc_trace(UVC_TRACE_PROBE, "Unable to parse UVC "
- "descriptors.\n");
+ uvc_trace(dev, UVC_TRACE_PROBE,
+ "Unable to parse UVC descriptors.\n");
goto error;
}

/* Parse the associated GPIOs. */
if (uvc_gpio_parse(dev) < 0) {
- uvc_trace(UVC_TRACE_PROBE, "Unable to parse UVC GPIOs\n");
+ uvc_trace(dev, UVC_TRACE_PROBE, "Unable to parse UVC GPIOs\n");
goto error;
}

@@ -2524,7 +2536,7 @@ static int uvc_probe(struct usb_interface *intf,
"Unable to request uvc_privacy_gpio irq %d. Continuing wihtout privacy events\n",
ret);

- uvc_trace(UVC_TRACE_PROBE, "UVC device initialized.\n");
+ uvc_trace(dev, UVC_TRACE_PROBE, "UVC device initialized.\n");
usb_enable_autosuspend(udev);
return 0;

@@ -2556,7 +2568,7 @@ static int uvc_suspend(struct usb_interface *intf, pm_message_t message)
struct uvc_device *dev = usb_get_intfdata(intf);
struct uvc_streaming *stream;

- uvc_trace(UVC_TRACE_SUSPEND, "Suspending interface %u\n",
+ uvc_trace(dev, UVC_TRACE_SUSPEND, "Suspending interface %u\n",
intf->cur_altsetting->desc.bInterfaceNumber);

/* Controls are cached on the fly so they don't need to be saved. */
@@ -2574,8 +2586,8 @@ static int uvc_suspend(struct usb_interface *intf, pm_message_t message)
return uvc_video_suspend(stream);
}

- uvc_trace(UVC_TRACE_SUSPEND, "Suspend: video streaming USB interface "
- "mismatch.\n");
+ uvc_trace(dev, UVC_TRACE_SUSPEND,
+ "Suspend: video streaming USB interface mismatch.\n");
return -EINVAL;
}

@@ -2585,8 +2597,8 @@ static int __uvc_resume(struct usb_interface *intf, int reset)
struct uvc_streaming *stream;
int ret = 0;

- uvc_trace(UVC_TRACE_SUSPEND, "Resuming interface %u\n",
- intf->cur_altsetting->desc.bInterfaceNumber);
+ uvc_trace(dev, UVC_TRACE_SUSPEND, "Resuming interface %u\n",
+ intf->cur_altsetting->desc.bInterfaceNumber);

if (intf->cur_altsetting->desc.bInterfaceSubClass ==
UVC_SC_VIDEOCONTROL) {
@@ -2614,8 +2626,8 @@ static int __uvc_resume(struct usb_interface *intf, int reset)
}
}

- uvc_trace(UVC_TRACE_SUSPEND, "Resume: video streaming USB interface "
- "mismatch.\n");
+ uvc_trace(dev, UVC_TRACE_SUSPEND,
+ "Resume: video streaming USB interface mismatch.\n");
return -EINVAL;
}

diff --git a/drivers/media/usb/uvc/uvc_isight.c b/drivers/media/usb/uvc/uvc_isight.c
index 135fd7fe6852..d06fa2ea9420 100644
--- a/drivers/media/usb/uvc/uvc_isight.c
+++ b/drivers/media/usb/uvc/uvc_isight.c
@@ -43,21 +43,23 @@ static int isight_decode(struct uvc_video_queue *queue, struct uvc_buffer *buf,
unsigned int maxlen, nbytes;
u8 *mem;
int is_header = 0;
+ struct uvc_streaming *stream = uvc_queue_to_stream(queue);

if (buf == NULL)
return 0;

if ((len >= 14 && memcmp(&data[2], hdr, 12) == 0) ||
(len >= 15 && memcmp(&data[3], hdr, 12) == 0)) {
- uvc_trace(UVC_TRACE_FRAME, "iSight header found\n");
+ uvc_trace(stream->dev, UVC_TRACE_FRAME,
+ "iSight header found\n");
is_header = 1;
}

/* Synchronize to the input stream by waiting for a header packet. */
if (buf->state != UVC_BUF_STATE_ACTIVE) {
if (!is_header) {
- uvc_trace(UVC_TRACE_FRAME, "Dropping packet (out of "
- "sync).\n");
+ uvc_trace(stream->dev, UVC_TRACE_FRAME,
+ "Dropping packet (out of sync).\n");
return 0;
}

@@ -85,8 +87,8 @@ static int isight_decode(struct uvc_video_queue *queue, struct uvc_buffer *buf,
buf->bytesused += nbytes;

if (len > maxlen || buf->bytesused == buf->length) {
- uvc_trace(UVC_TRACE_FRAME, "Frame complete "
- "(overflow).\n");
+ uvc_trace(stream->dev, UVC_TRACE_FRAME,
+ "Frame complete (overflow).\n");
buf->state = UVC_BUF_STATE_DONE;
}
}
@@ -103,8 +105,8 @@ void uvc_video_decode_isight(struct uvc_urb *uvc_urb, struct uvc_buffer *buf,

for (i = 0; i < urb->number_of_packets; ++i) {
if (urb->iso_frame_desc[i].status < 0) {
- uvc_trace(UVC_TRACE_FRAME, "USB isochronous frame "
- "lost (%d).\n",
+ uvc_trace(stream->dev, UVC_TRACE_FRAME,
+ "USB isochronous frame lost (%d).\n",
urb->iso_frame_desc[i].status);
}

diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c
index e800d491303f..66f2b2f19d65 100644
--- a/drivers/media/usb/uvc/uvc_queue.c
+++ b/drivers/media/usb/uvc/uvc_queue.c
@@ -32,12 +32,6 @@
* the driver.
*/

-static inline struct uvc_streaming *
-uvc_queue_to_stream(struct uvc_video_queue *queue)
-{
- return container_of(queue, struct uvc_streaming, queue);
-}
-
static inline struct uvc_buffer *uvc_vbuf_to_buffer(struct vb2_v4l2_buffer *buf)
{
return container_of(buf, struct uvc_buffer, buf);
@@ -109,7 +103,8 @@ static int uvc_buffer_prepare(struct vb2_buffer *vb)

if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) {
- uvc_trace(UVC_TRACE_CAPTURE, "[E] Bytes used out of bounds.\n");
+ uvc_trace(uvc_queue_to_stream(queue)->dev, UVC_TRACE_CAPTURE,
+ "[E] Bytes used out of bounds.\n");
return -EINVAL;
}

diff --git a/drivers/media/usb/uvc/uvc_status.c b/drivers/media/usb/uvc/uvc_status.c
index 36fa196a9258..b5f493216fcd 100644
--- a/drivers/media/usb/uvc/uvc_status.c
+++ b/drivers/media/usb/uvc/uvc_status.c
@@ -93,20 +93,20 @@ static void uvc_event_streaming(struct uvc_device *dev,
struct uvc_streaming_status *status, int len)
{
if (len < 3) {
- uvc_trace(UVC_TRACE_STATUS, "Invalid streaming status event "
- "received.\n");
+ uvc_trace(dev, UVC_TRACE_STATUS,
+ "Invalid streaming status event received.\n");
return;
}

if (status->bEvent == 0) {
if (len < 4)
return;
- uvc_trace(UVC_TRACE_STATUS, "Button (intf %u) %s len %d\n",
+ uvc_trace(dev, UVC_TRACE_STATUS, "Button (intf %u) %s len %d\n",
status->bOriginator,
status->bValue[0] ? "pressed" : "released", len);
uvc_input_report_key(dev, KEY_CAMERA, status->bValue[0]);
} else {
- uvc_trace(UVC_TRACE_STATUS,
+ uvc_trace(dev, UVC_TRACE_STATUS,
"Stream %u error event %02x len %d.\n",
status->bOriginator, status->bEvent, len);
}
@@ -163,12 +163,12 @@ static bool uvc_event_control(struct urb *urb,

if (len < 6 || status->bEvent != 0 ||
status->bAttribute >= ARRAY_SIZE(attrs)) {
- uvc_trace(UVC_TRACE_STATUS, "Invalid control status event "
- "received.\n");
+ uvc_trace(dev, UVC_TRACE_STATUS,
+ "Invalid control status event received.\n");
return false;
}

- uvc_trace(UVC_TRACE_STATUS, "Control %u/%u %s change len %d.\n",
+ uvc_trace(dev, UVC_TRACE_STATUS, "Control %u/%u %s change len %d.\n",
status->bOriginator, status->bSelector,
attrs[status->bAttribute], len);

@@ -236,8 +236,9 @@ static void uvc_status_complete(struct urb *urb)
}

default:
- uvc_trace(UVC_TRACE_STATUS, "Unknown status event "
- "type %u.\n", dev->status[0]);
+ uvc_trace(dev, UVC_TRACE_STATUS,
+ "Unknown status event type %u.\n",
+ dev->status[0]);
break;
}
}
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index fa06bfa174ad..3a2d17bc766b 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -75,8 +75,9 @@ static int uvc_ioctl_ctrl_map(struct uvc_video_chain *chain,
break;

default:
- uvc_trace(UVC_TRACE_CONTROL, "Unsupported V4L2 control type "
- "%u.\n", xmap->v4l2_type);
+ uvc_trace(chain->dev, UVC_TRACE_CONTROL,
+ "Unsupported V4L2 control type %u.\n",
+ xmap->v4l2_type);
ret = -ENOTTY;
goto free_map;
}
@@ -164,10 +165,11 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream,
return -EINVAL;

fcc = (u8 *)&fmt->fmt.pix.pixelformat;
- uvc_trace(UVC_TRACE_FORMAT, "Trying format 0x%08x (%c%c%c%c): %ux%u.\n",
- fmt->fmt.pix.pixelformat,
- fcc[0], fcc[1], fcc[2], fcc[3],
- fmt->fmt.pix.width, fmt->fmt.pix.height);
+ uvc_trace(stream->dev, UVC_TRACE_FORMAT,
+ "Trying format 0x%08x (%c%c%c%c): %ux%u.\n",
+ fmt->fmt.pix.pixelformat,
+ fcc[0], fcc[1], fcc[2], fcc[3],
+ fmt->fmt.pix.width, fmt->fmt.pix.height);

/* Check if the hardware supports the requested format, use the default
* format otherwise.
@@ -207,16 +209,18 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream,
}

if (frame == NULL) {
- uvc_trace(UVC_TRACE_FORMAT, "Unsupported size %ux%u.\n",
- fmt->fmt.pix.width, fmt->fmt.pix.height);
+ uvc_trace(stream->dev, UVC_TRACE_FORMAT,
+ "Unsupported size %ux%u.\n", fmt->fmt.pix.width,
+ fmt->fmt.pix.height);
return -EINVAL;
}

/* Use the default frame interval. */
interval = frame->dwDefaultFrameInterval;
- uvc_trace(UVC_TRACE_FORMAT, "Using default frame interval %u.%u us "
- "(%u.%u fps).\n", interval/10, interval%10, 10000000/interval,
- (100000000/interval)%10);
+ uvc_trace(stream->dev, UVC_TRACE_FORMAT,
+ "Using default frame interval %u.%u us (%u.%u fps).\n",
+ interval / 10, interval % 10, 10000000 / interval,
+ (100000000 / interval) % 10);

/* Set the format index, frame index and frame interval. */
memset(probe, 0, sizeof(*probe));
@@ -258,7 +262,8 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream,
}

if (i == stream->nformats) {
- uvc_trace(UVC_TRACE_FORMAT, "Unknown bFormatIndex %u\n",
+ uvc_trace(stream->dev, UVC_TRACE_FORMAT,
+ "Unknown bFormatIndex %u\n",
probe->bFormatIndex);
return -EINVAL;
}
@@ -271,7 +276,8 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream,
}

if (i == format->nframes) {
- uvc_trace(UVC_TRACE_FORMAT, "Unknown bFrameIndex %u\n",
+ uvc_trace(stream->dev, UVC_TRACE_FORMAT,
+ "Unknown bFrameIndex %u\n",
probe->bFrameIndex);
return -EINVAL;
}
@@ -416,8 +422,9 @@ static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream,

interval = uvc_fraction_to_interval(timeperframe.numerator,
timeperframe.denominator);
- uvc_trace(UVC_TRACE_FORMAT, "Setting frame interval to %u/%u (%u).\n",
- timeperframe.numerator, timeperframe.denominator, interval);
+ uvc_trace(stream->dev, UVC_TRACE_FORMAT,
+ "Setting frame interval to %u/%u (%u).\n",
+ timeperframe.numerator, timeperframe.denominator, interval);

mutex_lock(&stream->mutex);

@@ -545,8 +552,8 @@ static int uvc_v4l2_open(struct file *file)
struct uvc_fh *handle;
int ret = 0;

- uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_open\n");
stream = video_drvdata(file);
+ uvc_trace(stream->dev, UVC_TRACE_CALLS, "%s\n", __func__);

ret = usb_autopm_get_interface(stream->dev->intf);
if (ret < 0)
@@ -588,7 +595,7 @@ static int uvc_v4l2_release(struct file *file)
struct uvc_fh *handle = file->private_data;
struct uvc_streaming *stream = handle->stream;

- uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_release\n");
+ uvc_trace(stream->dev, UVC_TRACE_CALLS, "%s\n", __func__);

/* Only free resources if this is a privileged handle. */
if (uvc_has_privileges(handle))
@@ -1461,7 +1468,11 @@ static long uvc_v4l2_compat_ioctl32(struct file *file,
static ssize_t uvc_v4l2_read(struct file *file, char __user *data,
size_t count, loff_t *ppos)
{
- uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_read: not implemented.\n");
+ struct uvc_fh *handle = file->private_data;
+ struct uvc_streaming *stream = handle->stream;
+
+ uvc_trace(stream->dev, UVC_TRACE_CALLS,
+ "uvc_v4l2_read: not implemented.\n");
return -EINVAL;
}

@@ -1470,7 +1481,7 @@ static int uvc_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
struct uvc_fh *handle = file->private_data;
struct uvc_streaming *stream = handle->stream;

- uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_mmap\n");
+ uvc_trace(stream->dev, UVC_TRACE_CALLS, "%s\n", __func__);

return uvc_queue_mmap(&stream->queue, vma);
}
@@ -1480,7 +1491,7 @@ static __poll_t uvc_v4l2_poll(struct file *file, poll_table *wait)
struct uvc_fh *handle = file->private_data;
struct uvc_streaming *stream = handle->stream;

- uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_poll\n");
+ uvc_trace(stream->dev, UVC_TRACE_CALLS, "%s\n", __func__);

return uvc_queue_poll(&stream->queue, file, wait);
}
@@ -1493,7 +1504,7 @@ static unsigned long uvc_v4l2_get_unmapped_area(struct file *file,
struct uvc_fh *handle = file->private_data;
struct uvc_streaming *stream = handle->stream;

- uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_get_unmapped_area\n");
+ uvc_trace(stream->dev, UVC_TRACE_CALLS, "%s\n", __func__);

return uvc_queue_get_unmapped_area(&stream->queue, pgoff);
}
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index 71e643e6d006..26251ed0c3fd 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -95,7 +95,7 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 unit,
if (ret != 1)
return ret < 0 ? ret : -EPIPE;

- uvc_trace(UVC_TRACE_CONTROL, "Control error %u\n", error);
+ uvc_trace(dev, UVC_TRACE_CONTROL, "Control error %u\n", error);

switch (error) {
case 0:
@@ -705,8 +705,8 @@ void uvc_video_clock_update(struct uvc_streaming *stream,

sof = y;

- uvc_trace(UVC_TRACE_CLOCK, "%s: PTS %u y %llu.%06llu SOF %u.%06llu "
- "(x1 %u x2 %u y1 %u y2 %u SOF offset %u)\n",
+ uvc_trace(stream->dev, UVC_TRACE_CLOCK,
+ "%s: PTS %u y %llu.%06llu SOF %u.%06llu (x1 %u x2 %u y1 %u y2 %u SOF offset %u)\n",
stream->dev->name, buf->pts,
y >> 16, div_u64((y & 0xffff) * 1000000, 65536),
sof >> 16, div_u64(((u64)sof & 0xffff) * 1000000LLU, 65536),
@@ -740,8 +740,8 @@ void uvc_video_clock_update(struct uvc_streaming *stream,

timestamp = ktime_to_ns(first->host_time) + y - y1;

- uvc_trace(UVC_TRACE_CLOCK, "%s: SOF %u.%06llu y %llu ts %llu "
- "buf ts %llu (x1 %u/%u/%u x2 %u/%u/%u y1 %u y2 %u)\n",
+ uvc_trace(stream->dev, UVC_TRACE_CLOCK,
+ "%s: SOF %u.%06llu y %llu ts %llu buf ts %llu (x1 %u/%u/%u x2 %u/%u/%u y1 %u y2 %u)\n",
stream->dev->name,
sof >> 16, div_u64(((u64)sof & 0xffff) * 1000000LLU, 65536),
y, timestamp, vbuf->vb2_buf.timestamp,
@@ -875,9 +875,8 @@ static void uvc_video_stats_update(struct uvc_streaming *stream)
{
struct uvc_stats_frame *frame = &stream->stats.frame;

- uvc_trace(UVC_TRACE_STATS, "frame %u stats: %u/%u/%u packets, "
- "%u/%u/%u pts (%searly %sinitial), %u/%u scr, "
- "last pts/stc/sof %u/%u/%u\n",
+ uvc_trace(stream->dev, UVC_TRACE_STATS,
+ "frame %u stats: %u/%u/%u packets, %u/%u/%u pts (%searly %sinitial), %u/%u scr, last pts/stc/sof %u/%u/%u\n",
stream->sequence, frame->first_data,
frame->nb_packets - frame->nb_empty, frame->nb_packets,
frame->nb_pts_diffs, frame->last_pts_diff, frame->nb_pts,
@@ -1039,8 +1038,8 @@ static int uvc_video_decode_start(struct uvc_streaming *stream,

/* Mark the buffer as bad if the error bit is set. */
if (data[1] & UVC_STREAM_ERR) {
- uvc_trace(UVC_TRACE_FRAME, "Marking buffer as bad (error bit "
- "set).\n");
+ uvc_trace(stream->dev, UVC_TRACE_FRAME,
+ "Marking buffer as bad (error bit set).\n");
buf->error = 1;
}

@@ -1054,8 +1053,8 @@ static int uvc_video_decode_start(struct uvc_streaming *stream,
*/
if (buf->state != UVC_BUF_STATE_ACTIVE) {
if (fid == stream->last_fid) {
- uvc_trace(UVC_TRACE_FRAME, "Dropping payload (out of "
- "sync).\n");
+ uvc_trace(stream->dev, UVC_TRACE_FRAME,
+ "Dropping payload (out of sync).\n");
if ((stream->dev->quirks & UVC_QUIRK_STREAM_NO_FID) &&
(data[1] & UVC_STREAM_EOF))
stream->last_fid ^= UVC_STREAM_FID;
@@ -1086,8 +1085,8 @@ static int uvc_video_decode_start(struct uvc_streaming *stream,
* previous payload had the EOF bit set.
*/
if (fid != stream->last_fid && buf->bytesused != 0) {
- uvc_trace(UVC_TRACE_FRAME, "Frame complete (FID bit "
- "toggled).\n");
+ uvc_trace(stream->dev, UVC_TRACE_FRAME,
+ "Frame complete (FID bit toggled).\n");
buf->state = UVC_BUF_STATE_READY;
return -EAGAIN;
}
@@ -1148,7 +1147,8 @@ static void uvc_video_decode_data(struct uvc_urb *uvc_urb,

/* Complete the current frame if the buffer size was exceeded. */
if (len > maxlen) {
- uvc_trace(UVC_TRACE_FRAME, "Frame complete (overflow).\n");
+ uvc_trace(uvc_urb->stream->dev, UVC_TRACE_FRAME,
+ "Frame complete (overflow).\n");
buf->error = 1;
buf->state = UVC_BUF_STATE_READY;
}
@@ -1161,9 +1161,11 @@ static void uvc_video_decode_end(struct uvc_streaming *stream,
{
/* Mark the buffer as done if the EOF marker is set. */
if (data[1] & UVC_STREAM_EOF && buf->bytesused != 0) {
- uvc_trace(UVC_TRACE_FRAME, "Frame complete (EOF found).\n");
+ uvc_trace(stream->dev, UVC_TRACE_FRAME,
+ "Frame complete (EOF found).\n");
if (data[0] == len)
- uvc_trace(UVC_TRACE_FRAME, "EOF in empty payload.\n");
+ uvc_trace(stream->dev, UVC_TRACE_FRAME,
+ "EOF in empty payload.\n");
buf->state = UVC_BUF_STATE_READY;
if (stream->dev->quirks & UVC_QUIRK_STREAM_NO_FID)
stream->last_fid ^= UVC_STREAM_FID;
@@ -1279,7 +1281,7 @@ static void uvc_video_decode_meta(struct uvc_streaming *stream,
memcpy(&meta->length, mem, length);
meta_buf->bytesused += length + sizeof(meta->ns) + sizeof(meta->sof);

- uvc_trace(UVC_TRACE_FRAME,
+ uvc_trace(stream->dev, UVC_TRACE_FRAME,
"%s(): t-sys %lluns, SOF %u, len %u, flags 0x%x, PTS %u, STC %u frame SOF %u\n",
__func__, ktime_to_ns(time), meta->sof, meta->length,
meta->flags,
@@ -1339,8 +1341,9 @@ static void uvc_video_decode_isoc(struct uvc_urb *uvc_urb,

for (i = 0; i < urb->number_of_packets; ++i) {
if (urb->iso_frame_desc[i].status < 0) {
- uvc_trace(UVC_TRACE_FRAME, "USB isochronous frame "
- "lost (%d).\n", urb->iso_frame_desc[i].status);
+ uvc_trace(stream->dev, UVC_TRACE_FRAME,
+ "USB isochronous frame lost (%d).\n",
+ urb->iso_frame_desc[i].status);
/* Mark the buffer as faulty. */
if (buf != NULL)
buf->error = 1;
@@ -1628,15 +1631,16 @@ static int uvc_alloc_urb_buffers(struct uvc_streaming *stream,
}

if (i == UVC_URBS) {
- uvc_trace(UVC_TRACE_VIDEO, "Allocated %u URB buffers "
- "of %ux%u bytes each.\n", UVC_URBS, npackets,
- psize);
+ uvc_trace(stream->dev, UVC_TRACE_VIDEO,
+ "Allocated %u URB buffers of %ux%u bytes each.\n",
+ UVC_URBS, npackets, psize);
return npackets;
}
}

- uvc_trace(UVC_TRACE_VIDEO, "Failed to allocate URB buffers (%u bytes "
- "per packet).\n", psize);
+ uvc_trace(stream->dev, UVC_TRACE_VIDEO,
+ "Failed to allocate URB buffers (%u bytes per packet).\n",
+ psize);
return 0;
}

@@ -1835,12 +1839,13 @@ static int uvc_video_start_transfer(struct uvc_streaming *stream,
bandwidth = stream->ctrl.dwMaxPayloadTransferSize;

if (bandwidth == 0) {
- uvc_trace(UVC_TRACE_VIDEO, "Device requested null "
- "bandwidth, defaulting to lowest.\n");
+ uvc_trace(stream->dev, UVC_TRACE_VIDEO,
+ "Device requested null bandwidth, defaulting to lowest.\n");
bandwidth = 1;
} else {
- uvc_trace(UVC_TRACE_VIDEO, "Device requested %u "
- "B/frame bandwidth.\n", bandwidth);
+ uvc_trace(stream->dev, UVC_TRACE_VIDEO,
+ "Device requested %u B/frame bandwidth.\n",
+ bandwidth);
}

for (i = 0; i < intf->num_altsetting; ++i) {
@@ -1863,13 +1868,14 @@ static int uvc_video_start_transfer(struct uvc_streaming *stream,
}

if (best_ep == NULL) {
- uvc_trace(UVC_TRACE_VIDEO, "No fast enough alt setting "
- "for requested bandwidth.\n");
+ uvc_trace(stream->dev, UVC_TRACE_VIDEO,
+ "No fast enough alt setting for requested bandwidth.\n");
return -EIO;
}

- uvc_trace(UVC_TRACE_VIDEO, "Selecting alternate setting %u "
- "(%u B/frame bandwidth).\n", altsetting, best_psize);
+ uvc_trace(stream->dev, UVC_TRACE_VIDEO,
+ "Selecting alternate setting %u (%u B/frame bandwidth).\n",
+ altsetting, best_psize);

ret = usb_set_interface(stream->dev->udev, intfnum, altsetting);
if (ret < 0)
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 4a7d1fb76eee..60626feeee27 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -757,10 +757,11 @@ extern unsigned int uvc_trace_param;
extern unsigned int uvc_timeout_param;
extern unsigned int uvc_hw_timestamps_param;

-#define uvc_trace(flag, fmt, ...) \
+#define uvc_trace(_dev, flag, fmt, ...) \
do { \
if (uvc_trace_param & flag) \
- printk(KERN_DEBUG "uvcvideo: " fmt, ##__VA_ARGS__); \
+ dev_printk(KERN_DEBUG, &(_dev)->udev->dev, fmt, \
+ ##__VA_ARGS__); \
} while (0)

#define uvc_trace_cont(flag, fmt, ...) \
@@ -822,6 +823,12 @@ static inline int uvc_queue_streaming(struct uvc_video_queue *queue)
return vb2_is_streaming(&queue->queue);
}

+static inline struct uvc_streaming *
+uvc_queue_to_stream(struct uvc_video_queue *queue)
+{
+ return container_of(queue, struct uvc_streaming, queue);
+}
+
/* V4L2 interface */
extern const struct v4l2_ioctl_ops uvc_ioctl_ops;
extern const struct v4l2_file_operations uvc_fops;
--
2.29.2.684.gfbc64c5ab5-goog