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

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Message-ID: <CAL_Jsq+zC91GPdzQQa9F8KEw5UL4xc13u5U_5vTyQG1WeJa5rw@mail.gmail.com>
Date: Thu, 4 Sep 2025 18:08:35 -0500
From: Rob Herring <robh@...nel.org>
To: 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 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...