Re: [RFC] Implementation of SCSI dynamic power management

Oliver Neukum
2008-01-08T14:12:34Z

Am Montag, 7. Januar 2008 20:42:23 schrieb Alan Stern:
>  /**
> + *     autoresume - perform dynamic (runtime) host resume
> + *     @shp: host to resume
> + *
> + *     Resume (return to an operational power level) the specified host.
> + *     Return 0 if the resume was successful, otherwise a negative
> + *     error code.
> + *
> + *     Locks: struct Scsi_Host::pm_mutex held throughout the call.
> + *
> + *     Calling context: process
> + *
> + *     Notes: If the host is not currently suspended, this method does
> + *     need to do anything.
> + *
> + *     Optionally defined in: LLD
> + **/
> +    int autoresume(struct Scsi_Host *shp)
> +

This seems to be a bit misleading. It seems to me that you must cancel
any outstanding request to autosuspend from other layers.

Regards
Oliver
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