diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/device.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index ef76b15fa930..0d4da3049061 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -421,4 +421,23 @@ extern int device_suspend(u32 state, u32 level); extern void device_resume(u32 level); extern void device_shutdown(void); +/* debugging and troubleshooting/diagnostic helpers. */ +#ifdef DEBUG +#define dev_dbg(dev, format, arg...) \ + printk (KERN_DEBUG "%s %s: " format , \ + dev.driver->name , dev.bus_id , ## arg) +#else +#define dev_dbg(dev, format, arg...) do {} while (0) +#endif + +#define dev_err(dev, format, arg...) \ + printk (KERN_ERR "%s %s: " format , \ + dev.driver->name , dev.bus_id , ## arg) +#define dev_info(dev, format, arg...) \ + printk (KERN_INFO "%s %s: " format , \ + dev.driver->name , dev.bus_id , ## arg) +#define dev_warn(dev, format, arg...) \ + printk (KERN_WARN "%s %s: " format , \ + dev.driver->name , dev.bus_id , ## arg) + #endif /* _DEVICE_H_ */ |