[PATCHv2 1/4] serial: mxs-auart: fix cast type for of_device_get_match_data

Rosen Penev rosenp at gmail.com
Tue Jun 9 23:06:13 PDT 2026


On Tue, Jun 9, 2026 at 6:13 PM Frank Li <Frank.li at oss.nxp.com> wrote:
>
> On Tue, Jun 09, 2026 at 03:37:14PM -0700, Rosen Penev wrote:
> > of_device_get_match_data returns const void*. Cast to unsigned long to
> > avoid implicit integer truncation warnings. All the data parameters are
> > correct anyway.
>
> It is not worth to fix it by this ways. cast void * to int/long is not good
> at all.
It's just a compilation fix. The same solution is used in many other places.
>
> struct drvdata
> {
>         enum mxs_auart_type type;
> }
>
> static const struct drvata chip_imx28;
>
> &chip_imx28 as drv data.
That's a lot of work just to avoid a cast.
>
> Frank
> >
> > Assisted-by: opencode:big-pickle
> > Signed-off-by: Rosen Penev <rosenp at gmail.com>
> > ---
> >  drivers/tty/serial/mxs-auart.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
> > index 697318dbb146..de97c0f74e7d 100644
> > --- a/drivers/tty/serial/mxs-auart.c
> > +++ b/drivers/tty/serial/mxs-auart.c
> > @@ -1598,7 +1598,7 @@ static int mxs_auart_probe(struct platform_device *pdev)
> >               return -EINVAL;
> >       }
> >
> > -     s->devtype = (enum mxs_auart_type)of_device_get_match_data(&pdev->dev);
> > +     s->devtype = (unsigned long)of_device_get_match_data(&pdev->dev);
> >
> >       ret = mxs_get_clks(s, pdev);
> >       if (ret)
> > --
> > 2.54.0
> >
> >



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