Commit a9ef803d authored Aug 27, 2014 by Greg Kroah-Hartman

USB: fix build error with CONFIG_PM_RUNTIME disabled

commit bdd405d2 ("usb: hub: Prevent hub autosuspend if
usbcore.autosuspend is -1") causes a build error if CONFIG_PM_RUNTIME is
disabled.  Fix that by doing a simple #ifdef guard around it.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Roger Quadros <rogerq@ti.com>
Cc: Michael Welling <mwelling@emacinc.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 7c38405c

drivers/usb/core/hub.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1732,8 +1732,10 @@ static int hub_probe(struct usb_interface intf, const struct usb_device_id id)
		* - If user has indicated to prevent autosuspend by passing
		* usbcore.autosuspend = -1 then keep autosuspend disabled.
		*/
		#ifdef CONFIG_PM_RUNTIME
		if (hdev->dev.power.autosuspend_delay >= 0)
		pm_runtime_set_autosuspend_delay(&hdev->dev, 0);
		#endif

		/*
		* Hubs have proper suspend/resume support, except for root hubs

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