On Mon, 25 Mar 2013, Sarah Sharp wrote: > On Mon, Mar 25, 2013 at 11:14:15PM +0100, Rafael J. Wysocki wrote: > > On Monday, March 25, 2013 02:35:37 PM Sarah Sharp wrote: > > > Alan, > > > > > > Is there a way to disable runtime PM for a PCI host controller, but > > > still allow the system to suspend/hibernate? > > > > It should be. Just write "on" to the controller's power/control file in sysfs. > > And what's the equivalent function call? We want to disable it within > the xHCI driver. Actually you don't want the equivalent function call, because then the user could reverse its effect by writing "auto" back to the power/control file. You want something more permanent. Call pm_runtime_get_noresume in your probe function and pm_runtime_put_noidle in your release function. 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
