On Mon, 18 Feb 2013, Felipe Balbi wrote: > Hi, On Mon, Feb 18, 2013 at 09:49:16AM -0800, Greg KH wrote: > > > Input/output error - /sys/devices/cpu/power/autosuspend_delay_ms > > > > The issue with this file is, if the power.use_autosuspend flag is not > > set for the device, then it can't be read or written to. This flag > > changes dynamically with the system state > > (__pm_runtime_use_autosuspend() can change it), so we can't just not > > show the file if the flag is not set properly, sorry. > > > > So the "error" is correct here, as is the 0644 file value. > > hmm... we could create the file at pm_runtime_enable() time and remove > it on pm_runtime_disable() time, no ? Addin Rafael to Cc In theory this could be done, although the times would be when runtime autosuspend is turned on or off, not when pm_runtime_enable is called. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
