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

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Message-ID: <82906e08-9583-4f4c-91ad-d5b53b2dffd6@kernel.org>
Date: Fri, 5 Sep 2025 06:30:47 +0100
From: Srinivas Kandagatla <srini@...nel.org>
To: Rob Herring <robh@...nel.org>,
 Srinivas Kandagatla <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



On 9/5/25 12:08 AM, Rob Herring wrote:
> On Tue, Aug 19, 2025 at 8:44 AM Srinivas Kandagatla
> <srinivas.kandagatla@....qualcomm.com> wrote:
>>
>> 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.
> 
> Still warning in linux-next...
Its done now!

--srini