Re: [PATCH v2] arm64: dts: qcom: qcs6490-rb3gen2-industrial-mezzanine: disable WCN6750 and WPSS

[Hangtian Zhu]

On 3/11/2026 12:34, Dmitry Baryshkov wrote:
> On Wed, Mar 11, 2026 at 11:11:45AM +0800, Hangtian Zhu wrote:
>> From: Hangtian Zhu <hangtian@xxxxxxxxxxxxxxxx>
>>
>> Disable WCN6750 and WPSS on industrial mezzanine. On RB3 Gen2 industrial
> 
> You can't disable these devices on the mezzanine, they are not a part of
> it.
> 
>> mezzanine platform, pcie0 lines are moved from WCN6750 to QPS615 pcie
> 
> PCIe0. How re they moved? What triggers the move?
Please refer to: https://lore.kernel.org/all/20260305-industrial-mezzanine-pcie-v4-0-1f2c9d1344d7@xxxxxxxxxxxxxxxx/
On RB3 Gen2 industrial mezzanine, WCN6750 is not connected, instead TC9563 PCIe bridge is connected to PCIe0.

> 
>> bridge. Hence disable WPSS and WCN6750 nodes for industrial mezzanine
>> platform.
>>
>> Depends-on: https://lore.kernel.org/all/20260305-industrial-mezzanine-pcie-v4-2-1f2c9d1344d7@xxxxxxxxxxxxxxxx/
> 
> NAK. Don't invent non-standard tags.
> 
>>
>> Signed-off-by: Hangtian Zhu <hangtian@xxxxxxxxxxxxxxxx>
>> ---
>>  .../dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso    | 8 ++++++++
>>  1 file changed, 8 insertions(+)
>>
>