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

[Lad, Prabhakar]

Hi Guenter,

On Fri, Sep 18, 2026 at 6:39 PM Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
>
> 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 ?
>
Yes I do plan to post a v6.

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

Cheers,
Prabhakar