diff options
| -rw-r--r-- | include/drm/drm_print.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h index a93a387f8a1a..e8fe60d0eb87 100644 --- a/include/drm/drm_print.h +++ b/include/drm/drm_print.h @@ -26,6 +26,20 @@ #ifndef DRM_PRINT_H_ #define DRM_PRINT_H_ +/* Define this before including linux/printk.h, so that the format + * string in pr_*() macros is correctly set for DRM. If a file wants + * to define this to something else, it should do so before including + * this header file. + * + * It is encouraged code using pr_err() to prefix their format with + * the string "*ERROR* ", to make it easier to scan kernel logs. For + * instance, + * pr_err("*ERROR* <the rest of your format string here>", args). + */ +#ifndef pr_fmt +#define pr_fmt(fmt) "[drm] " fmt +#endif + #include <linux/compiler.h> #include <linux/printk.h> #include <linux/seq_file.h> |