On Saturday, August 28, 2010, Alan Stern wrote: > On Sat, 28 Aug 2010, Oliver Neukum wrote: > > > Am Freitag, 27. August 2010, 17:36:53 schrieb Alan Stern: > > > Oliver: > > > > > > For SCSI devices, the autosuspend idle-delay time will have to vary > > > from under one second up to an hour or so. The current USB > > > /sys/.../power/autosuspend format, which simply lists the timeout in > > > seconds, won't be adequate. > > > > I see. > > > > > I thought the format could be changed to [MM:]SS[.FFF] where MM is > > > minutes, SS is seconds, and FFF is milliseconds. It would be backward > > > compatible with the existing format for input, although the output > > > appearance would be different. The same format could be used for USB > > > as well (in fact, the attribute set and show routines could go in > > > the PM core, making them easy to share among subsystems). > > > > > > What do you think? > > > > It seems to me that the standard for /sys is to use miliseconds. > > "45 minutes" expressed in milliseconds isn't very easy to comprehend; > it comes out as "2700000". Compare this to "45:00.000". I'm not sure > that's the best way to go. Well, that depends on whether or not you intend to make them human-readable. While the latter is definitely better for humans, the former may be more convenient for software processing. Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
