Re: [PATCH v2 2/5] coresight: add coresight Trace NOC driver

[Leo Yan <leo.yan@arm.com>]

On Thu, Mar 06, 2025 at 04:22:20PM +0800, Yuanfang Zhang wrote:

[...]

> >> +static int trace_noc_init_default_data(struct trace_noc_drvdata *drvdata)
> >> +{
> >> +       int atid;
> >> +
> >> +       atid = coresight_trace_id_get_system_id();
> >> +       if (atid < 0)
> >> +               return atid;
> >> +
> >> +       drvdata->atid = atid;
> >> +
> >> +       drvdata->freq_type = FREQ_TS;
> > 
> > I don't see anywhere uses FREQ.  Please remove the unused definitions
> > and related code.
>
> it is used in trace_noc_enable_hw().

I understood some macros and definitions are used by seqential patches.

A good practice is code should be added only when they are used.  This
can allow every patch in neat way and easier for review.

Thanks,
Leo

> > 
> >> +       drvdata->flag_type = FLAG;
> > 
> > FLAG_TS is not used in the driver as well.  Remove it.
> it is used in trace_noc_enable_hw().