usb: xhci: Fix build warning seen with CONFIG_PM=n

BugLink: https://bugs.launchpad.net/bugs/1858462

[ Upstream commit 6056a0f8 ]

The following build warning is seen if CONFIG_PM is disabled.

drivers/usb/host/xhci-pci.c:498:13: warning:
	unused function 'xhci_pci_shutdown'

Fixes: f2c710f7 ("usb: xhci: only set D3hot for pci device")
Cc: Henry Lin <henryl@nvidia.com>
Cc: stable@vger.kernel.org	# all stable releases with f2c710f7Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20191218011911.6907-1-linux@roeck-us.netSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Connor Kuehl <connor.kuehl@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>

drivers/usb/host/xhci-pci.c

@@ -463,7 +463,6 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
 	retval = xhci_resume(xhci, hibernated);
 	return retval;
 }
-#endif /* CONFIG_PM */
 
 static void xhci_pci_shutdown(struct usb_hcd *hcd)
 {
@@ -476,6 +475,7 @@ static void xhci_pci_shutdown(struct usb_hcd *hcd)
 	if (xhci->quirks & XHCI_SPURIOUS_WAKEUP)
 		pci_set_power_state(pdev, PCI_D3hot);
 }
+#endif /* CONFIG_PM */
 
 /*-------------------------------------------------------------------------*/