From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Wed, 27 Aug 2014 23:55:29 +0000 (-0700)
Subject: USB: fix build error with CONFIG_PM_RUNTIME disabled
X-Git-Tag: v5.15~17318^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a9ef803d740bfadf5e505fbc57efa57692e27025;p=platform%2Fkernel%2Flinux-starfive.git

USB: fix build error with CONFIG_PM_RUNTIME disabled

commit bdd405d2a528 ("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>
---

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 003cb6b1a6bf..46f5161c7891 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -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