RE: [PATCH v10 2/5] media: renesas: vsp1: Add support to deassert/assert reset line

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Geert,

Thanks for the feedback.

> Subject: Re: [PATCH v10 2/5] media: renesas: vsp1: Add support to
> deassert/assert reset line
> 
> Hi Biju,
> 
> On Wed, May 4, 2022 at 9:06 PM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote:
> > As the resets DT property is mandatory, and is present in all .dtsi in
> > mainline, add support to perform deassert/assert using reference
> > counted reset handle.
> >
> > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> > Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> > Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> > ---
> > v9->v10:
> >  * Moved {deassert,assert} calls to vsp1_pm_runtime_{resume,suspend}
> 
> Thanks for the update!
> 
> > --- a/drivers/media/platform/renesas/vsp1/vsp1_drv.c
> > +++ b/drivers/media/platform/renesas/vsp1/vsp1_drv.c
> > @@ -631,13 +633,21 @@ static int __maybe_unused
> vsp1_pm_runtime_resume(struct device *dev)
> >         struct vsp1_device *vsp1 = dev_get_drvdata(dev);
> >         int ret;
> >
> > +       ret = reset_control_deassert(vsp1->rstc);
> > +       if (ret < 0)
> > +               return ret;
> > +
> >         if (vsp1->info) {
> >                 ret = vsp1_device_init(vsp1);
> >                 if (ret < 0)
> 
> Missing reset_control_assert().

OK, will fix this, by adding goto statement, which can be used for below error
handling as well.

Cheers,
Biju

> 
> >                         return ret;
> >         }
> >
> > -       return rcar_fcp_enable(vsp1->fcp);
> > +       ret = rcar_fcp_enable(vsp1->fcp);
> > +       if (ret < 0)
> > +               reset_control_assert(vsp1->rstc);
> > +
> > +       return ret;
> >  }
> >
> >  static const struct dev_pm_ops vsp1_pm_ops = {
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-
> m68k.org
> 
> In personal conversations with technical people, I call myself a hacker.
> But when I'm talking to journalists I just say "programmer" or something
> like that.
>                                 -- Linus Torvalds




[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]

  Powered by Linux