Pls ignore this, there has a fix. [PATCH] block/DAC960.c: fix defined but not used build warnings On 2018/7/13 15:16, YueHaibing wrote: > When CONFIG_PROC_FS isn't set, gcc warning this: > > drivers/block/DAC960.c:6429:12: warning: ‘dac960_proc_show’ defined but not used [-Wunused-function] > static int dac960_proc_show(struct seq_file *m, void *v) > ^ > drivers/block/DAC960.c:6449:12: warning: ‘dac960_initial_status_proc_show’ defined but not used [-Wunused-function] > static int dac960_initial_status_proc_show(struct seq_file *m, void *v) > ^ > drivers/block/DAC960.c:6456:12: warning: ‘dac960_current_status_proc_show’ defined but not used [-Wunused-function] > static int dac960_current_status_proc_show(struct seq_file *m, void *v) > ^ > fix this by adding #ifdef around them. > > Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> > --- > drivers/block/DAC960.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c > index f651806..7a05831 100644 > --- a/drivers/block/DAC960.c > +++ b/drivers/block/DAC960.c > @@ -6426,6 +6426,7 @@ static bool DAC960_V2_ExecuteUserCommand(DAC960_Controller_T *Controller, > return true; > } > > +#ifdef CONFIG_PROC_FS > static int dac960_proc_show(struct seq_file *m, void *v) > { > unsigned char *StatusMessage = "OK\n"; > @@ -6485,6 +6486,7 @@ static int dac960_current_status_proc_show(struct seq_file *m, void *v) > seq_printf(m, "%.*s", Controller->CurrentStatusLength, Controller->CurrentStatusBuffer); > return 0; > } > +#endif > > static int dac960_user_command_proc_show(struct seq_file *m, void *v) > { >