Re: [PATCH] remoteproc: st: Use of_property_present() for testing DT property presence

[Mathieu Poirier]

On Tue, 18 Apr 2023 at 10:26, Rob Herring <robh@xxxxxxxxxx> wrote:
>
> On Fri, Mar 10, 2023 at 08:47:35AM -0600, Rob Herring wrote:
> > It is preferred to use typed property access functions (i.e.
> > of_property_read_<type> functions) rather than low-level
> > of_get_property/of_find_property functions for reading properties. As
> > part of this, convert of_get_property/of_find_property calls to the
> > recently added of_property_present() helper when we just want to test
> > for presence of a property and nothing more.
> >
> > Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
> > ---
> >  drivers/remoteproc/st_remoteproc.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
>
> Ping!

I did provide an RB for this patch on the same day you sent it,
thinking it was part of a larger refactoring effort.  But taking
another look now I see that it is not the case and will apply it right
away.

>
> >
> > diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c
> > index a3268d95a50e..50ef40671652 100644
> > --- a/drivers/remoteproc/st_remoteproc.c
> > +++ b/drivers/remoteproc/st_remoteproc.c
> > @@ -379,7 +379,7 @@ static int st_rproc_probe(struct platform_device *pdev)
> >               clk_set_rate(ddata->clk, ddata->clk_rate);
> >       }
> >
> > -     if (of_get_property(np, "mbox-names", NULL)) {
> > +     if (of_property_present(np, "mbox-names")) {
> >               ddata->mbox_client_vq0.dev              = dev;
> >               ddata->mbox_client_vq0.tx_done          = NULL;
> >               ddata->mbox_client_vq0.tx_block = false;
> > --
> > 2.39.2
> >
> >
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