Re: [PATCH RFC v2 2/9] clk: renesas: r9a09g077: Add SYSC regmap support

[Lad, Prabhakar]

Hi Geert,

Thank you for the review.

On Mon, Jul 6, 2026 at 11:08 AM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
>
> Hi Prabhakar,
>
> On Thu, 2 Jul 2026 at 14:31, Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote:
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> >
> > Add System Controller (SYSC) regmap support for the RZ/T2H SoC.
> >
> > The RZ/T2H SoC features two System Controller (SYSC) blocks that handle
> > low-power management and access control. These blocks are defined as child
> > nodes within the Clock Pulse Generator (CPG) address space in the device
> > tree. Implement support for creating regmaps for these SYSC blocks.
> >
> > Register the regmap using of_syscon_register_regmap() against the CPG
> > device node so that consumers can access SYSC registers via the existing
> > syscon phandle.
> >
> > Add a sysc_init() callback to the CPG/MSSR core to allow SoC-specific
> > initialization of the SYSC regmap.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > ---
> > v1->v2:
> > - Made use of for_each_child_of_node_scoped
> > - Moved sysc_init() to the end of the probe function
>
> Thanks for the update!
>
> > --- a/drivers/clk/renesas/r9a09g077-cpg.c
> > +++ b/drivers/clk/renesas/r9a09g077-cpg.c
>
> > +static int r9a09g077_sysc_init(struct device *dev)
> > +{
> > +       struct device_node *child, *np = dev->of_node;
>
> error: unused variable ‘child’ [-Werror=unused-variable]
>
Oops, I will fix this in the next version.

> No need to resend yet.
>
OK, I will wait for the review of the other patches too.

Cheers,
Prabhakar