On 07/27/2018 03:03 AM, YueHaibing wrote: > On 2018/7/27 17:25, Kalle Valo wrote: >> Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx> writes: >> >>> + Randy >>> >>> On 7/13/2018 9:03 AM, YueHaibing wrote: >>>> When CONFIG_PROC_FS isn't set, gcc warning this: >>>> >>>> drivers/net/wireless/intersil/hostap/hostap_hw.c:2901:12: warning: ‘prism2_registers_proc_show’ defined but not used [-Wunused-function] >>>> static int prism2_registers_proc_show(struct seq_file *m, void *v) >>>> >>>> drivers/net/wireless/intersil/hostap/hostap_proc.c:16:12: warning: ‘prism2_debug_proc_show’ defined but not used [-Wunused-function] >>>> static int prism2_debug_proc_show(struct seq_file *m, void *v) >>>> ^ >>>> drivers/net/wireless/intersil/hostap/hostap_proc.c:49:12: warning: ‘prism2_stats_proc_show’ defined but not used [-Wunused-function] >>>> static int prism2_stats_proc_show(struct seq_file *m, void *v) >>>> ^ >>>> drivers/net/wireless/intersil/hostap/hostap_proc.c:177:12: warning: ‘prism2_crypt_proc_show’ defined but not used [-Wunused-function] >>>> static int prism2_crypt_proc_show(struct seq_file *m, void *v) >>>> ^ >>>> >>>> fix this by adding #ifdef around them. >>>> hfa384x_read_reg is only used by prism2_registers_proc_show,so move it >>>> into #ifdef. >>> >>> There was already a fix for this posted by Randy Dunlap taking a >>> different approach, ie. use __maybe_unused classifier. To be honest I >>> prefer the ifdef approach as it is more explicit and does not feel >>> like a cheat. >> >> I also prefer the ifdef approach more so I'm planning to take this >> patch. > > It's ok if you prefer pick this. Right. -- ~Randy