Artem Bityutskiy <Artem.Bityutskiy@xxxxxxxxx> writes: > Kevin Hilman wrote: >>> The problem here is that such an interface is extremely fragile. Consider >>> what happens if a program disables HLT, and then gets killed off for some >>> reason. How does this reference get balanced again? >>> >>> I think a better solution would be a char device driver which has to be >>> kept open as long as a reference is held. When userspace closes it (be >>> that because the program has exited, been killed, etc) you can drop any >>> pending references. >> >> OK, this interface is not intended for users/applications. It is >> intended only for OMAP PM developers who are developing the PM code >> and want to prevent idle for various reasons during development. It >> is not intended for productions systems. >> >> What about leaving /sys/power/sleep_while_idle but only if >> CONFIG_PM_DEBUG=y? > > Sounds like debugfs is the good place for this then. > Sound OK to me. Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
