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usb: xhci: fix build warning - missing prototype 

Fix build warning when building drivers/usb/host/xhci-mem.o with W=1 due
to missing prototype for xhci_free_virt_devices_depth_first.

This function is only used in xhci-mem.c so just make it static.

Signed-off-by: Jean-Philippe Menil <jpmenil@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jean-Philippe Menil 2019-02-20 19:50:52 +02:00 committed by Greg Kroah-Hartman
parent ea5cc92517
commit 4ee925dfe0
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/host/xhci-mem.c
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@ -933,7 +933,7 @@ void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id)
* that tt_info, then free the child first. Recursive. * that tt_info, then free the child first. Recursive.
* We can't rely on udev at this point to find child-parent relationships. * We can't rely on udev at this point to find child-parent relationships.
*/ */
void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_id) static void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_id)
{ {
struct xhci_virt_device *vdev; struct xhci_virt_device *vdev;
struct list_head *tt_list_head; struct list_head *tt_list_head;