usb: xhci: fix build warning - missing prototype

Quoted 7 lines · Mathias Nyman

From: Jean-Philippe Menil <[email protected]>

Fix build warning when building drivers/usb/host/xhci-mem.o 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.

Quoted 1 line

Signed-off-by Jean-Philippe Menil <[email protected]>

My Signed-off-by was apparently lost after I did some patch juggling

Signed-off-by Mathias Nyman <[email protected]>

Want me to resend?