On Mon, 3 May 2010, Rob Duncan wrote: > My driver has (I think) all the routines and attributes that are > needed to support runtime PM, but I'm not seeing my suspend routine > being called. I do have some unbound interfaces on the device; are > they preventing my driver from being called when it is idle? Do you remember to write "auto" to the power/control file? > Also, and perhaps more relevantly, I have power/control and > power/level, but no power/autosuspend in the sysfs tree for the > device. Is that expected? It isn't. In fact, I would go so far as to say it's nearly impossible to have power/level without power/autosuspend. Look at the code in drivers/usb/core/sysfs.c and see what you think. You may want to put some debugging printk statements in add_power_attributes(). Alan Stern -- 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
