Re: [PATCH v10 8/8] coresight: etm3x: introduce struct etm_caps

[Yeoreum Yun <yeoreum.yun@arm.com>]

On Fri, Sep 11, 2026 at 11:20:48AM +0000, sashiko-bot@kernel.org wrote:
> Thank you for your contribution! Sashiko AI review found 1 potential issue(s) to consider:
> - [Low] The local variable `caps` in `cntr_val_show()` is declared and initialized but never used, leading to a compiler warning.
> --
> 
> commit 95d091834d6fbb955b9c3143fee9373f3398b6c9
> Author: Yeoreum Yun <yeoreum.yun@arm.com>
> 
>     coresight: etm3x: introduce struct etm_caps
>     
>     Introduce struct etm_caps to describe ETMv3 capabilities
>     and move capabilities information into it.
> 
> > diff --git a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
> > index 0701edc094581..6c911b8c1be96 100644
> > --- a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
> > +++ b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
> [ ... ]
> > @@ -719,6 +724,7 @@ static ssize_t cntr_val_show(struct device *dev,
> >  {
> >  	u32 val;
> >  	struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent);
> > +	const struct etm_caps *caps = &drvdata->caps;
> 
> [Severity: Low]
> Is this caps variable necessary? It appears to be declared and initialized
> but never used in cntr_val_show(), which might cause a compiler warning.
> 
> >  	struct etm_config *config = &drvdata->config;
> >  
> >  	if (!coresight_get_mode(drvdata->csdev)) {
> 
> -- 
> Sashiko AI review · https://sashiko.dev/#/patchset/20260911-separate_etm_cfg_v2-v10-0-1b715d95927a@arm.com?part=8

Right. I'll remove it in next version.

-- 
Sincerely,
Yeoreum Yun