| Message ID | 20200714145049.2496163-14-lee.jones@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Rid W=1 warnings in CPUFreq | expand |
On 7/14/20 9:50 AM, Lee Jones wrote: > Can't see them being used anywhere and the compiler doesn't complain > that they're missing, so ... > > Fixes the following W=1 kernel build warning(s): > > drivers/cpufreq/amd_freq_sensitivity.c:147:32: warning: ‘amd_freq_sensitivity_ids’ defined but not used [-Wunused-const-variable=] > 147 | static const struct x86_cpu_id amd_freq_sensitivity_ids[] = { > | ^~~~~~~~~~~~~~~~~~~~~~~~ > > Cc: Jacob Shin <jacob.shin@amd.com> > Signed-off-by: Lee Jones <lee.jones@linaro.org> > --- Same comment as for patch 9/13: these are used automatic module loading. Kim
On Tue, 14 Jul 2020, Kim Phillips wrote: > On 7/14/20 9:50 AM, Lee Jones wrote: > > Can't see them being used anywhere and the compiler doesn't complain > > that they're missing, so ... > > > > Fixes the following W=1 kernel build warning(s): > > > > drivers/cpufreq/amd_freq_sensitivity.c:147:32: warning: ‘amd_freq_sensitivity_ids’ defined but not used [-Wunused-const-variable=] > > 147 | static const struct x86_cpu_id amd_freq_sensitivity_ids[] = { > > | ^~~~~~~~~~~~~~~~~~~~~~~~ > > > > Cc: Jacob Shin <jacob.shin@amd.com> > > Signed-off-by: Lee Jones <lee.jones@linaro.org> > > --- > > Same comment as for patch 9/13: these are used automatic module loading. How does that work? Could you point me to the code which handles that please?
On 7/14/20 4:02 PM, Lee Jones wrote: > On Tue, 14 Jul 2020, Kim Phillips wrote: >> On 7/14/20 9:50 AM, Lee Jones wrote: >>> Can't see them being used anywhere and the compiler doesn't complain >>> that they're missing, so ... >>> >>> Fixes the following W=1 kernel build warning(s): >>> >>> drivers/cpufreq/amd_freq_sensitivity.c:147:32: warning: ‘amd_freq_sensitivity_ids’ defined but not used [-Wunused-const-variable=] >>> 147 | static const struct x86_cpu_id amd_freq_sensitivity_ids[] = { >>> | ^~~~~~~~~~~~~~~~~~~~~~~~ >>> >>> Cc: Jacob Shin <jacob.shin@amd.com> >>> Signed-off-by: Lee Jones <lee.jones@linaro.org> >>> --- >> >> Same comment as for patch 9/13: these are used automatic module loading. > > How does that work? > > Could you point me to the code which handles that please? It's MODULE_DEVICE_TABLE magic. Kim
On Tue, 14 Jul 2020, Kim Phillips wrote: > On 7/14/20 4:02 PM, Lee Jones wrote: > > On Tue, 14 Jul 2020, Kim Phillips wrote: > >> On 7/14/20 9:50 AM, Lee Jones wrote: > >>> Can't see them being used anywhere and the compiler doesn't complain > >>> that they're missing, so ... > >>> > >>> Fixes the following W=1 kernel build warning(s): > >>> > >>> drivers/cpufreq/amd_freq_sensitivity.c:147:32: warning: ‘amd_freq_sensitivity_ids’ defined but not used [-Wunused-const-variable=] > >>> 147 | static const struct x86_cpu_id amd_freq_sensitivity_ids[] = { > >>> | ^~~~~~~~~~~~~~~~~~~~~~~~ > >>> > >>> Cc: Jacob Shin <jacob.shin@amd.com> > >>> Signed-off-by: Lee Jones <lee.jones@linaro.org> > >>> --- > >> > >> Same comment as for patch 9/13: these are used automatic module loading. > > > > How does that work? > > > > Could you point me to the code which handles that please? > > It's MODULE_DEVICE_TABLE magic. I'll look into that. Thanks.
diff --git a/drivers/cpufreq/amd_freq_sensitivity.c b/drivers/cpufreq/amd_freq_sensitivity.c index f7c4206d4c90b..a17093729511b 100644 --- a/drivers/cpufreq/amd_freq_sensitivity.c +++ b/drivers/cpufreq/amd_freq_sensitivity.c @@ -144,12 +144,6 @@ static void __exit amd_freq_sensitivity_exit(void) } module_exit(amd_freq_sensitivity_exit); -static const struct x86_cpu_id amd_freq_sensitivity_ids[] = { - X86_MATCH_FEATURE(X86_FEATURE_PROC_FEEDBACK, NULL), - {} -}; -MODULE_DEVICE_TABLE(x86cpu, amd_freq_sensitivity_ids); - MODULE_AUTHOR("Jacob Shin <jacob.shin@amd.com>"); MODULE_DESCRIPTION("AMD frequency sensitivity feedback powersave bias for " "the ondemand governor.");
Can't see them being used anywhere and the compiler doesn't complain that they're missing, so ... Fixes the following W=1 kernel build warning(s): drivers/cpufreq/amd_freq_sensitivity.c:147:32: warning: ‘amd_freq_sensitivity_ids’ defined but not used [-Wunused-const-variable=] 147 | static const struct x86_cpu_id amd_freq_sensitivity_ids[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ Cc: Jacob Shin <jacob.shin@amd.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> --- drivers/cpufreq/amd_freq_sensitivity.c | 6 ------ 1 file changed, 6 deletions(-)