diff options
Diffstat (limited to 'include/linux/usb.h')
| -rw-r--r-- | include/linux/usb.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h index 52464fb2389b..8d4bc173d66a 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -976,7 +976,12 @@ struct usbdrv_wrap { * the "usbfs" filesystem. This lets devices provide ways to * expose information to user space regardless of where they * do (or don't) show up otherwise in the filesystem. - * @suspend: Called when the device is going to be suspended by the system. + * @suspend: Called when the device is going to be suspended by the + * system either from system sleep or runtime suspend context. The + * return value will be ignored in system sleep context, so do NOT + * try to continue using the device if suspend fails in this case. + * Instead, let the resume or reset-resume routine recover from + * the failure. * @resume: Called when the device is being resumed by the system. * @reset_resume: Called when the suspended device has been reset instead * of being resumed. |