Re: [PATCH v4 5/7] watchdog: rzv2h: Add syscon support for WDTDCR

[Guenter Roeck]

Hi,

On 9/18/26 08:18, Lad, Prabhakar wrote:
> Hi Guenter,
>
> On Thu, Sep 17, 2026 at 2:12 AM Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
> > Hi,
> >
> > On Mon, Aug 17, 2026 at 08:25:38PM +0100, Prabhakar wrote:
> > > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > >
> > > On RZ/T2H and RZ/N2H SoCs, the WDTDCR (WDT Debug Control Register) resides
> > > in the second register region of the CPG/MSSR block. Since this
> > > multi-function block is shared with other peripherals, it is exposed via a
> > > syscon regmap interface.
> > >
> > > Look up the SYSC regmap using the optional "renesas,sysc" property and
> > > derive the WDTDCR offset from the watchdog instance index.
> > >
> > > Retain the existing MMIO-based access method when the "renesas,sysc"
> > > property is absent to preserve compatibility with existing DT's.
> > >
> > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > > Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> >
> > Can I apply this patch without the other patches of the series ?
> I posted the v5 series here addressing Sashiko's comments.

Sorry, I was getting confused. I somehow thought they are different series.

Do you plan to send v6 to address the issues reported in v5 ?

Note that Sashiko no longer reports pre-existing issues in public,
so those will be out of scope.

Thanks,
Guenter