diff options
Diffstat (limited to 'drivers/usb/storage/usb.h')
| -rw-r--r-- | drivers/usb/storage/usb.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h index 0cd1eebc4497..7259fd1f6b0d 100644 --- a/drivers/usb/storage/usb.h +++ b/drivers/usb/storage/usb.h @@ -93,7 +93,11 @@ struct us_unusual_dev { typedef int (*trans_cmnd)(struct scsi_cmnd *, struct us_data*); typedef int (*trans_reset)(struct us_data*); typedef void (*proto_cmnd)(struct scsi_cmnd*, struct us_data*); -typedef void (*extra_data_destructor)(void *); /* extra data destructor */ +typedef void (*extra_data_destructor)(void *); /* extra data destructor */ +typedef void (*pm_hook)(struct us_data *, int); /* power management hook */ + +#define US_SUSPEND 0 +#define US_RESUME 1 /* we allocate one of these for every device that we remember */ struct us_data { @@ -149,6 +153,9 @@ struct us_data { /* subdriver information */ void *extra; /* Any extra data */ extra_data_destructor extra_destructor;/* extra data destructor */ +#ifdef CONFIG_PM + pm_hook suspend_resume_hook; +#endif }; /* Convert between us_data and the corresponding Scsi_Host */ |