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USB: fix build error with CONFIG_PM_RUNTIME disabled

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commit bdd405d2a5 ("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>
This commit is contained in:
Greg Kroah-Hartman 2014-08-27 16:55:29 -07:00
parent 7c38405ca7
commit a9ef803d74
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/core/hub.c
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@ -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