Replace all the uses of printk() and uvc_printk() with its equivalent dev_ alias macros.
They are more standard across the kernel tree and provide more context about the error. Suggested-by: Joe Perches <[email protected]> Signed-off-by: Ricardo Ribalda <[email protected]> --- drivers/media/usb/uvc/uvc_ctrl.c | 4 +- drivers/media/usb/uvc/uvc_driver.c | 80 ++++++++++++++++-------------- drivers/media/usb/uvc/uvc_entity.c | 10 ++-- drivers/media/usb/uvc/uvc_status.c | 13 ++--- drivers/media/usb/uvc/uvc_video.c | 51 ++++++++++--------- drivers/media/usb/uvc/uvcvideo.h | 25 ++++------ 6 files changed, 95 insertions(+), 88 deletions(-) diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 5826d06a90f5..a197452d3de5 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1327,8 +1327,8 @@ 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(struct urb *urb, struct uvc_video_chain *chain, diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 498de09da07e..4379916a6ac1 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -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; @@ -1594,7 +1594,7 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain, switch (UVC_ENTITY_TYPE(entity)) { case UVC_VC_EXTENSION_UNIT: if (uvc_trace_param & UVC_TRACE_PROBE) - printk(KERN_CONT " <- XU %d", entity->id); + pr_cont(" <- XU %d", entity->id); if (entity->bNrInPins != 1) { uvc_trace(UVC_TRACE_DESCR, "Extension unit %d has more " @@ -1606,7 +1606,7 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain, case UVC_VC_PROCESSING_UNIT: if (uvc_trace_param & UVC_TRACE_PROBE) - printk(KERN_CONT " <- PU %d", entity->id); + pr_cont(" <- PU %d", entity->id); if (chain->processing != NULL) { uvc_trace(UVC_TRACE_DESCR, "Found multiple " @@ -1619,7 +1619,7 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain, case UVC_VC_SELECTOR_UNIT: if (uvc_trace_param & UVC_TRACE_PROBE) - printk(KERN_CONT " <- SU %d", entity->id); + pr_cont(" <- SU %d", entity->id); /* Single-input selector units are ignored. */ if (entity->bNrInPins == 1) @@ -1638,7 +1638,7 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain, case UVC_ITT_CAMERA: case UVC_ITT_MEDIA_TRANSPORT_INPUT: if (uvc_trace_param & UVC_TRACE_PROBE) - printk(KERN_CONT " <- IT %d\n", entity->id); + pr_cont(" <- IT %d\n", entity->id); break; @@ -1646,17 +1646,17 @@ static int uvc_scan_chain_entity(struct uvc_video_chain *chain, case UVC_OTT_DISPLAY: case UVC_OTT_MEDIA_TRANSPORT_OUTPUT: if (uvc_trace_param & UVC_TRACE_PROBE) - printk(KERN_CONT " OT %d", entity->id); + pr_cont(" OT %d", entity->id); break; case UVC_TT_STREAMING: if (UVC_ENTITY_IS_ITERM(entity)) { if (uvc_trace_param & UVC_TRACE_PROBE) - printk(KERN_CONT " <- IT %d\n", entity->id); + pr_cont(" <- IT %d\n", entity->id); } else { if (uvc_trace_param & UVC_TRACE_PROBE) - printk(KERN_CONT " OT %d", entity->id); + pr_cont(" OT %d", entity->id); } break; @@ -1706,9 +1706,9 @@ static int uvc_scan_chain_forward(struct uvc_video_chain *chain, list_add_tail(&forward->chain, &chain->entities); if (uvc_trace_param & UVC_TRACE_PROBE) { if (!found) - printk(KERN_CONT " (->"); + pr_cont(" (->"); - printk(KERN_CONT " XU %d", forward->id); + pr_cont(" XU %d", forward->id); found = 1; } break; @@ -1726,16 +1726,16 @@ static int uvc_scan_chain_forward(struct uvc_video_chain *chain, list_add_tail(&forward->chain, &chain->entities); if (uvc_trace_param & UVC_TRACE_PROBE) { if (!found) - printk(KERN_CONT " (->"); + pr_cont(" (->"); - printk(KERN_CONT " OT %d", forward->id); + pr_cont(" OT %d", forward->id); found = 1; } break; } } if (found) - printk(KERN_CONT ")"); + pr_cont(")"); return 0; } @@ -1761,7 +1761,7 @@ static int uvc_scan_chain_backward(struct uvc_video_chain *chain, } if (uvc_trace_param & UVC_TRACE_PROBE) - printk(KERN_CONT " <- IT"); + pr_cont(" <- IT"); chain->selector = entity; for (i = 0; i < entity->bNrInPins; ++i) { @@ -1782,14 +1782,14 @@ static int uvc_scan_chain_backward(struct uvc_video_chain *chain, } if (uvc_trace_param & UVC_TRACE_PROBE) - printk(KERN_CONT " %d", term->id); + pr_cont(" %d", term->id); list_add_tail(&term->chain, &chain->entities); uvc_scan_chain_forward(chain, term, entity); } if (uvc_trace_param & UVC_TRACE_PROBE) - printk(KERN_CONT "\n"); + pr_cont("\n"); id = 0; break; @@ -2044,7 +2044,7 @@ 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; } @@ -2203,8 +2203,9 @@ 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; } @@ -2220,8 +2221,8 @@ 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; } @@ -2255,8 +2256,9 @@ 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; } @@ -2289,8 +2291,8 @@ 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 } @@ -2393,17 +2395,19 @@ 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"); } /* Register the V4L2 device. */ @@ -2432,9 +2436,9 @@ 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); } uvc_trace(UVC_TRACE_PROBE, "UVC device initialized.\n"); diff --git a/drivers/media/usb/uvc/uvc_entity.c b/drivers/media/usb/uvc/uvc_entity.c index ca3a9c2eec27..a13bee5aee56 100644 --- a/drivers/media/usb/uvc/uvc_entity.c +++ b/drivers/media/usb/uvc/uvc_entity.c @@ -139,8 +139,9 @@ 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; } } @@ -148,8 +149,9 @@ 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; } } diff --git a/drivers/media/usb/uvc/uvc_status.c b/drivers/media/usb/uvc/uvc_status.c index 2bdb0ff203f8..36fa196a9258 100644 --- a/drivers/media/usb/uvc/uvc_status.c +++ b/drivers/media/usb/uvc/uvc_status.c @@ -208,8 +208,9 @@ 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; } @@ -243,10 +244,10 @@ 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) diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index a6a441d92b94..a4a0f3556986 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -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; } @@ -1119,9 +1119,10 @@ 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); + if (ret < 0) { + 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 +1508,9 @@ 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 +1547,8 @@ 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 +1894,9 @@ 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 +1991,8 @@ 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 +2032,8 @@ 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 +2067,8 @@ 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; } } diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index f87d14fb3f56..d8e2f27bf576 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -742,20 +742,17 @@ 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_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_trace(flag, fmt, ...) \ +do { \ + if (uvc_trace_param & flag) \ + printk(KERN_DEBUG "uvcvideo: " fmt, ##__VA_ARGS__); \ +} while (0) + +#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. -- 2.29.2.299.gdc1121823c-goog
