On 4/9/21 7:02 AM, Wei Yongjun wrote: > The sparse tool complains as follows: > > drivers/hwtracing/coresight/coresight-core.c:26:1: warning: > symbol '__pcpu_scope_csdev_sink' was not declared. Should it be static? > > This symbol is not used outside of coresight-core.c, so this > commit marks it static. commit ? It is not on the tree yet. s/commit/change instead. > > Fixes: 2cd87a7b293d ("coresight: core: Add support for dedicated percpu sinks") There is no functional problem that this patch is proposing to fix and hence the "Fixes:" tag is not warranted. Suzuki/Matihieu ? > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> > Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> > --- > drivers/hwtracing/coresight/coresight-core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c > index 3e779e1619ed..6c68d34d956e 100644 > --- a/drivers/hwtracing/coresight/coresight-core.c > +++ b/drivers/hwtracing/coresight/coresight-core.c > @@ -23,7 +23,7 @@ > #include "coresight-priv.h" > > static DEFINE_MUTEX(coresight_mutex); > -DEFINE_PER_CPU(struct coresight_device *, csdev_sink); > +static DEFINE_PER_CPU(struct coresight_device *, csdev_sink); > > /** > * struct coresight_node - elements of a path, from source to sink > Otherwise LGTM. As csdev_sink is not being used outside coresight-core.c file after the introduction of coresight_[set|get]_percpu_sink() helpers.