Re: [PATCH 00/35] irqchip/qcom-pdc: Clean up register mapping and DT descriptions

[Mukesh Ojha]

On Mon, Apr 13, 2026 at 10:27:41AM +0200, Konrad Dybcio wrote:
> On 4/10/26 8:40 PM, Mukesh Ojha wrote:
> > The Qualcomm PDC (Power Domain Controller) hardware exposes multiple DRV
> > (Driver) regions, each 0x10000 bytes in size, where each region serves a
> > specific client in the system . Linux only needs access to the APSS DRV
> > region.
> 
> [...]
> 
> >   arm64: dts: qcom: kaanapali: Drop unused second PDC reg entry
> >   arm64: dts: qcom: lemans: Drop unused second PDC reg entry
> >   arm64: dts: qcom: milos: Drop unused second PDC reg entry
> >   arm64: dts: qcom: monaco: Drop unused second PDC reg entry
> >   arm64: dts: qcom: sc8280xp: Drop unused second PDC reg entry
> >   arm64: dts: qcom: sdx75: Drop unused second PDC reg entry
> >   arm64: dts: qcom: talos: Drop unused second PDC reg entry
> 
> I believe that was intended for this feature:
> 
> https://lore.kernel.org/linux-arm-msm/1568411962-1022-8-git-send-email-ilina@xxxxxxxxxxxxxx/
> 
> Is that something that ever turned out useful?

You are right, this patch is being carried in downstream for almost ~7years.

+@Maulik

Do we really have need of this patch by Lina in upstream ?

> 
> Konrad

-- 
-Mukesh Ojha