On Mon, Jul 6, 2020 at 3:34 PM Lee Jones <lee.jones@xxxxxxxxxx> wrote: > If the header file containing a function's prototype isn't included by > the sourcefile containing the associated function, the build system > complains of missing prototypes. > > Fixes the following W=1 kernel build warning(s): > > drivers/usb/early/ehci-dbgp.c: In function ‘early_dbgp_write’: > drivers/usb/early/ehci-dbgp.c:915:13: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable] > 915 | int chunk, ret; > | ^~~ > drivers/usb/early/xhci-dbc.c:600:12: warning: no previous prototype for ‘early_xdbc_parse_parameter’ [-Wmissing-prototypes] > 600 | int __init early_xdbc_parse_parameter(char *s) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > drivers/usb/early/xhci-dbc.c:653:12: warning: no previous prototype for ‘early_xdbc_setup_hardware’ [-Wmissing-prototypes] > 653 | int __init early_xdbc_setup_hardware(void) > | ^~~~~~~~~~~~~~~~~~~~~~~~~ > drivers/usb/early/xhci-dbc.c:910:13: warning: no previous prototype for ‘early_xdbc_register_console’ [-Wmissing-prototypes] > 910 | void __init early_xdbc_register_console(void) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ > > Cc: Jann Horn <jannh@xxxxxxxxxx> > Cc: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> > Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> Reviewed-by: Jann Horn <jannh@xxxxxxxxxx>