On Fri, Sep 23, 2016 at 09:46:13PM +0800, Baoyou Xie wrote: > We get 1 warning when building kernel with W=1: > drivers/usb/host/xhci-ring.c:608:6: warning: no previous prototype for > 'xhci_unmap_td_bounce_buffer' [-Wmissing-prototypes] > > In fact, this function is only used in the file in which it is > declared and don't need a declaration, but can be made static. > so this patch marks this function with 'static'.
Any reason you aren't using sparse for all of these 'static' functions you are finding? It should be easier than using 'W=1'. thanks, greg k-h
