linux-kernel - Re: [PATCH] slimbus: qcom: remove unused qcom controller driver

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Message-ID: <990cb5af-3846-44a3-b373-ded62d3309b9@oss.qualcomm.com>
Date: Tue, 19 Aug 2025 14:44:45 +0100
From: Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>
To: Rob Herring <robh@...nel.org>, srinivas.kandagatla@....qualcomm.com
Cc: srini@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-sound@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] slimbus: qcom: remove unused qcom controller driver

Thanks Rob for reporting this,

On 8/19/25 2:35 PM, Rob Herring wrote:
> On Thu, Jul 24, 2025 at 8:28 AM <srinivas.kandagatla@....qualcomm.com> wrote:
>>
>> From: Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>
>>
>> Qcom Slimbus controller driver is totally unused and dead code, there is
>> no point in keeping this driver in the kernel without users.
>>
>> This patch removes the driver along with device tree bindings.
>>
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>
>> ---
>>  .../bindings/slimbus/qcom,slim.yaml           |  86 --
>>  drivers/slimbus/Kconfig                       |   7 -
>>  drivers/slimbus/Makefile                      |   3 -
>>  drivers/slimbus/qcom-ctrl.c                   | 735 ------------------
>>  4 files changed, 831 deletions(-)
>>  delete mode 100644 Documentation/devicetree/bindings/slimbus/qcom,slim.yaml
>>  delete mode 100644 drivers/slimbus/qcom-ctrl.c
> 
> This adds warnings to dt_binding_check:
> 
> Documentation/devicetree/bindings/slimbus/slimbus.example.dtb:
> /example-0/soc/slim@...80000: failed to match any schema with
> compatible: ['qcom,apq8064-slim', 'qcom,slim']

Will replace this example with slim-ngd and fold it in the original patch.

--srini
> Documentation/devicetree/bindings/slimbus/slimbus.example.dtb:
> /example-0/soc/slim@...80000: failed to match any schema with
> compatible: ['qcom,apq8064-slim', 'qcom,slim']