media: uvcvideo: Use dev_ printk aliases

Replace all the uses of printk() and uvc_printk() with its
equivalent dev_ alias macros.

Modify uvc_warn_once() macro to use dev_info instead printk().

They are more standard across the kernel tree and provide
more context about the error.

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Ricardo Ribalda 2020-12-23 14:35:24 +01:00 коммит произвёл Mauro Carvalho Chehab
Родитель 6f6a87eb82
Коммит 69df09547e
6 изменённых файлов: 82 добавлений и 78 удалений

Просмотреть файл

@ -1329,8 +1329,8 @@ static void uvc_ctrl_status_event_work(struct work_struct *work)
w->urb->interval = dev->int_ep->desc.bInterval;
ret = usb_submit_urb(w->urb, GFP_KERNEL);
if (ret < 0)
uvc_printk(KERN_ERR, "Failed to resubmit status URB (%d).\n",
ret);
dev_err(&dev->udev->dev,
"Failed to resubmit status URB (%d).\n", ret);
}
bool uvc_ctrl_status_event_async(struct urb *urb, struct uvc_video_chain *chain,
@ -2010,10 +2010,10 @@ int uvc_ctrl_restore_values(struct uvc_device *dev)
if (!ctrl->initialized || !ctrl->modified ||
(ctrl->info.flags & UVC_CTRL_FLAG_RESTORE) == 0)
continue;
printk(KERN_INFO "restoring control %pUl/%u/%u\n",
ctrl->info.entity, ctrl->info.index,
ctrl->info.selector);
dev_info(&dev->udev->dev,
"restoring control %pUl/%u/%u\n",
ctrl->info.entity, ctrl->info.index,
ctrl->info.selector);
ctrl->dirty = 1;
}

Просмотреть файл

@ -535,8 +535,8 @@ static int uvc_parse_format(struct uvc_device *dev,
sizeof(format->name));
format->fcc = fmtdesc->fcc;
} else {
uvc_printk(KERN_INFO, "Unknown video format %pUl\n",
&buffer[5]);
dev_info(&streaming->intf->dev,
"Unknown video format %pUl\n", &buffer[5]);
snprintf(format->name, sizeof(format->name), "%pUl\n",
&buffer[5]);
format->fcc = 0;
@ -2056,7 +2056,7 @@ static int uvc_scan_device(struct uvc_device *dev)
uvc_scan_fallback(dev);
if (list_empty(&dev->chains)) {
uvc_printk(KERN_INFO, "No valid video chain found.\n");
dev_info(&dev->udev->dev, "No valid video chain found.\n");
return -1;
}
@ -2215,8 +2215,9 @@ int uvc_register_video_device(struct uvc_device *dev,
ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
if (ret < 0) {
uvc_printk(KERN_ERR, "Failed to register %s device (%d).\n",
v4l2_type_names[type], ret);
dev_err(&stream->intf->dev,
"Failed to register %s device (%d).\n",
v4l2_type_names[type], ret);
return ret;
}
@ -2232,8 +2233,8 @@ static int uvc_register_video(struct uvc_device *dev,
/* Initialize the streaming interface with default parameters. */
ret = uvc_video_init(stream);
if (ret < 0) {
uvc_printk(KERN_ERR, "Failed to initialize the device (%d).\n",
ret);
dev_err(&stream->intf->dev,
"Failed to initialize the device (%d).\n", ret);
return ret;
}
@ -2267,8 +2268,9 @@ static int uvc_register_terms(struct uvc_device *dev,
stream = uvc_stream_by_id(dev, term->id);
if (stream == NULL) {
uvc_printk(KERN_INFO, "No streaming interface found "
"for terminal %u.", term->id);
dev_info(&dev->udev->dev,
"No streaming interface found for terminal %u.",
term->id);
continue;
}
@ -2301,8 +2303,8 @@ static int uvc_register_chains(struct uvc_device *dev)
#ifdef CONFIG_MEDIA_CONTROLLER
ret = uvc_mc_register_entities(chain);
if (ret < 0)
uvc_printk(KERN_INFO,
"Failed to register entities (%d).\n", ret);
dev_info(&dev->udev->dev,
"Failed to register entities (%d).\n", ret);
#endif
}
@ -2405,23 +2407,24 @@ static int uvc_probe(struct usb_interface *intf,
goto error;
}
uvc_printk(KERN_INFO, "Found UVC %u.%02x device %s (%04x:%04x)\n",
dev->uvc_version >> 8, dev->uvc_version & 0xff,
udev->product ? udev->product : "<unnamed>",
le16_to_cpu(udev->descriptor.idVendor),
le16_to_cpu(udev->descriptor.idProduct));
dev_info(&dev->udev->dev, "Found UVC %u.%02x device %s (%04x:%04x)\n",
dev->uvc_version >> 8, dev->uvc_version & 0xff,
udev->product ? udev->product : "<unnamed>",
le16_to_cpu(udev->descriptor.idVendor),
le16_to_cpu(udev->descriptor.idProduct));
if (dev->quirks != dev->info->quirks) {
uvc_printk(KERN_INFO, "Forcing device quirks to 0x%x by module "
"parameter for testing purpose.\n", dev->quirks);
uvc_printk(KERN_INFO, "Please report required quirks to the "
"linux-uvc-devel mailing list.\n");
dev_info(&dev->udev->dev,
"Forcing device quirks to 0x%x by module parameter for testing purpose.\n",
dev->quirks);
dev_info(&dev->udev->dev,
"Please report required quirks to the linux-uvc-devel mailing list.\n");
}
if (dev->info->uvc_version) {
dev->uvc_version = dev->info->uvc_version;
uvc_printk(KERN_INFO, "Forcing UVC version to %u.%02x\n",
dev->uvc_version >> 8, dev->uvc_version & 0xff);
dev_info(&dev->udev->dev, "Forcing UVC version to %u.%02x\n",
dev->uvc_version >> 8, dev->uvc_version & 0xff);
}
/* Register the V4L2 device. */
@ -2450,9 +2453,9 @@ static int uvc_probe(struct usb_interface *intf,
/* Initialize the interrupt URB. */
if ((ret = uvc_status_init(dev)) < 0) {
uvc_printk(KERN_INFO, "Unable to initialize the status "
"endpoint (%d), status interrupt will not be "
"supported.\n", ret);
dev_info(&dev->udev->dev,
"Unable to initialize the status endpoint (%d), status interrupt will not be supported.\n",
ret);
}
ret = uvc_gpio_init_irq(dev);
@ -3170,7 +3173,6 @@ static int __init uvc_init(void)
return ret;
}
printk(KERN_INFO DRIVER_DESC " (" DRIVER_VERSION ")\n");
return 0;
}

Просмотреть файл

@ -140,8 +140,9 @@ int uvc_mc_register_entities(struct uvc_video_chain *chain)
list_for_each_entry(entity, &chain->entities, chain) {
ret = uvc_mc_init_entity(chain, entity);
if (ret < 0) {
uvc_printk(KERN_INFO, "Failed to initialize entity for "
"entity %u\n", entity->id);
dev_info(&chain->dev->udev->dev,
"Failed to initialize entity for entity %u\n",
entity->id);
return ret;
}
}
@ -149,8 +150,9 @@ int uvc_mc_register_entities(struct uvc_video_chain *chain)
list_for_each_entry(entity, &chain->entities, chain) {
ret = uvc_mc_create_links(chain, entity);
if (ret < 0) {
uvc_printk(KERN_INFO, "Failed to create links for "
"entity %u\n", entity->id);
dev_info(&chain->dev->udev->dev,
"Failed to create links for entity %u\n",
entity->id);
return ret;
}
}

Просмотреть файл

@ -209,8 +209,9 @@ static void uvc_status_complete(struct urb *urb)
return;
default:
uvc_printk(KERN_WARNING, "Non-zero status (%d) in status "
"completion handler.\n", urb->status);
dev_warn(&dev->udev->dev,
"Non-zero status (%d) in status completion handler.\n",
urb->status);
return;
}
@ -244,10 +245,10 @@ static void uvc_status_complete(struct urb *urb)
/* Resubmit the URB. */
urb->interval = dev->int_ep->desc.bInterval;
if ((ret = usb_submit_urb(urb, GFP_ATOMIC)) < 0) {
uvc_printk(KERN_ERR, "Failed to resubmit status URB (%d).\n",
ret);
}
ret = usb_submit_urb(urb, GFP_ATOMIC);
if (ret < 0)
dev_err(&dev->udev->dev,
"Failed to resubmit status URB (%d).\n", ret);
}
int uvc_status_init(struct uvc_device *dev)

Просмотреть файл

@ -76,9 +76,9 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 unit,
if (likely(ret == size))
return 0;
uvc_printk(KERN_ERR,
"Failed to query (%s) UVC control %u on unit %u: %d (exp. %u).\n",
uvc_query_name(query), cs, unit, ret, size);
dev_err(&dev->udev->dev,
"Failed to query (%s) UVC control %u on unit %u: %d (exp. %u).\n",
uvc_query_name(query), cs, unit, ret, size);
if (ret != -EPIPE)
return ret;
@ -254,9 +254,9 @@ static int uvc_get_video_ctrl(struct uvc_streaming *stream,
ret = -EIO;
goto out;
} else if (ret != size) {
uvc_printk(KERN_ERR, "Failed to query (%u) UVC %s control : "
"%d (exp. %u).\n", query, probe ? "probe" : "commit",
ret, size);
dev_err(&stream->intf->dev,
"Failed to query (%u) UVC %s control : %d (exp. %u).\n",
query, probe ? "probe" : "commit", ret, size);
ret = -EIO;
goto out;
}
@ -334,9 +334,9 @@ static int uvc_set_video_ctrl(struct uvc_streaming *stream,
probe ? UVC_VS_PROBE_CONTROL : UVC_VS_COMMIT_CONTROL, data,
size, uvc_timeout_param);
if (ret != size) {
uvc_printk(KERN_ERR, "Failed to set UVC %s control : "
"%d (exp. %u).\n", probe ? "probe" : "commit",
ret, size);
dev_err(&stream->intf->dev,
"Failed to set UVC %s control : %d (exp. %u).\n",
probe ? "probe" : "commit", ret, size);
ret = -EIO;
}
@ -1120,8 +1120,8 @@ static void uvc_video_copy_data_work(struct work_struct *work)
ret = usb_submit_urb(uvc_urb->urb, GFP_KERNEL);
if (ret < 0)
uvc_printk(KERN_ERR, "Failed to resubmit video URB (%d).\n",
ret);
dev_err(&uvc_urb->stream->intf->dev,
"Failed to resubmit video URB (%d).\n", ret);
}
static void uvc_video_decode_data(struct uvc_urb *uvc_urb,
@ -1507,8 +1507,9 @@ static void uvc_video_complete(struct urb *urb)
break;
default:
uvc_printk(KERN_WARNING, "Non-zero status (%d) in video "
"completion handler.\n", urb->status);
dev_warn(&stream->intf->dev,
"Non-zero status (%d) in video completion handler.\n",
urb->status);
fallthrough;
case -ENOENT: /* usb_poison_urb() called. */
if (stream->frozen)
@ -1545,9 +1546,8 @@ static void uvc_video_complete(struct urb *urb)
if (!uvc_urb->async_operations) {
ret = usb_submit_urb(uvc_urb->urb, GFP_ATOMIC);
if (ret < 0)
uvc_printk(KERN_ERR,
"Failed to resubmit video URB (%d).\n",
ret);
dev_err(&stream->intf->dev,
"Failed to resubmit video URB (%d).\n", ret);
return;
}
@ -1893,8 +1893,9 @@ static int uvc_video_start_transfer(struct uvc_streaming *stream,
for_each_uvc_urb(uvc_urb, stream) {
ret = usb_submit_urb(uvc_urb->urb, gfp_flags);
if (ret < 0) {
uvc_printk(KERN_ERR, "Failed to submit URB %u (%d).\n",
uvc_urb_index(uvc_urb), ret);
dev_err(&stream->intf->dev,
"Failed to submit URB %u (%d).\n",
uvc_urb_index(uvc_urb), ret);
uvc_video_stop_transfer(stream, 1);
return ret;
}
@ -1989,7 +1990,8 @@ int uvc_video_init(struct uvc_streaming *stream)
int ret;
if (stream->nformats == 0) {
uvc_printk(KERN_INFO, "No supported video formats found.\n");
dev_info(&stream->intf->dev,
"No supported video formats found.\n");
return -EINVAL;
}
@ -2029,8 +2031,8 @@ int uvc_video_init(struct uvc_streaming *stream)
}
if (format->nframes == 0) {
uvc_printk(KERN_INFO, "No frame descriptor found for the "
"default format.\n");
dev_info(&stream->intf->dev,
"No frame descriptor found for the default format.\n");
return -EINVAL;
}
@ -2064,8 +2066,8 @@ int uvc_video_init(struct uvc_streaming *stream)
if (stream->intf->num_altsetting == 1)
stream->decode = uvc_video_encode_bulk;
else {
uvc_printk(KERN_INFO, "Isochronous endpoints are not "
"supported for video output devices.\n");
dev_info(&stream->intf->dev,
"Isochronous endpoints are not supported for video output devices.\n");
return -EINVAL;
}
}

Просмотреть файл

@ -752,20 +752,17 @@ extern unsigned int uvc_trace_param;
extern unsigned int uvc_timeout_param;
extern unsigned int uvc_hw_timestamps_param;
#define uvc_trace(flag, msg...) \
do { \
if (uvc_trace_param & flag) \
printk(KERN_DEBUG "uvcvideo: " msg); \
} while (0)
#define uvc_trace(flag, fmt, ...) \
do { \
if (uvc_trace_param & flag) \
printk(KERN_DEBUG "uvcvideo: " fmt, ##__VA_ARGS__); \
} while (0)
#define uvc_warn_once(dev, warn, msg...) \
do { \
if (!test_and_set_bit(warn, &dev->warnings)) \
printk(KERN_INFO "uvcvideo: " msg); \
} while (0)
#define uvc_printk(level, msg...) \
printk(level "uvcvideo: " msg)
#define uvc_warn_once(_dev, warn, fmt, ...) \
do { \
if (!test_and_set_bit(warn, &(_dev)->warnings)) \
dev_info(&(_dev)->udev->dev, fmt, ##__VA_ARGS__); \
} while (0)
/* --------------------------------------------------------------------------
* Internal functions.