Re: [PATCH V25 0/3] misc: Add driver support for Data Capture and Compare unit(DCC) - Greg Kroah-Hartman

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Trilok Soni <quic_tsoni@quicinc.com>
Cc: Souradeep Chowdhury <quic_schowdhu@quicinc.com>,
	Andy Gross <agross@kernel.org>,
	Konrad Dybcio <konrad.dybcio@somainline.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Rob Herring <robh+dt@kernel.org>, Alex Elder <elder@ieee.org>,
	Arnd Bergmann <arnd@arndb.de>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	devicetree@vger.kernel.org, Sibi Sankar <quic_sibis@quicinc.com>,
	Rajendra Nayak <quic_rjendra@quicinc.com>
Subject: Re: [PATCH V25 0/3] misc: Add driver support for Data Capture and Compare unit(DCC)
Date: Fri, 4 Aug 2023 15:47:26 +0200	[thread overview]
Message-ID: <2023080438-reacquire-obsessed-3e81@gregkh> (raw)
In-Reply-To: <774b688f-0324-9097-6504-58d15a3e6afb@quicinc.com>

On Thu, Aug 03, 2023 at 07:35:18AM -0700, Trilok Soni wrote:
> On 8/3/2023 12:06 AM, Souradeep Chowdhury wrote:
> > 
> > 
> > On 6/28/2023 3:53 PM, Souradeep Chowdhury wrote:
> 
> ...
> 
> > > 
> > > https://git.codelinaro.org/clo/le/platform/vendor/qcom-opensource/tools/-/tree/opensource-tools.lnx.1.0.r176-rel/dcc_parser
> > > 
> > > Changes in v25
> > > 
> > > * Updated the documentation of the structure dcc_config_entry as per
> > > the comments in V23
> > > * Updated the documentation of the dcc Kconfig definition as per
> > > comment in V24
> > > * Used u64 where applicable
> > > * Removed the mutex locks where it is not needed
> > > * Removed the use of unlikely keyword
> > > * Renamed "nr_link_list" to "max_link_list"
> > > 
> > > Souradeep Chowdhury (3):
> > >    dt-bindings: misc: qcom,dcc: Add the dtschema
> > >    misc: dcc: Add driver support for Data Capture and Compare unit(DCC)
> > >    MAINTAINERS: Add the entry for DCC(Data Capture and Compare) driver
> > >      support
> > > 
> > >   Documentation/ABI/testing/debugfs-driver-dcc  |   10 +-
> > >   .../devicetree/bindings/misc/qcom,dcc.yaml    |   44 +
> > >   MAINTAINERS                                   |    8 +
> > >   drivers/misc/Kconfig                          |    8 +
> > >   drivers/misc/Makefile                         |    1 +
> > >   drivers/misc/qcom-dcc.c                       | 1312 +++++++++++++++++
> > >   6 files changed, 1378 insertions(+), 5 deletions(-)
> > >   create mode 100644 Documentation/devicetree/bindings/misc/qcom,dcc.yaml
> > >   create mode 100644 drivers/misc/qcom-dcc.c
> > 
> > Gentle Ping
> 
> Thank you for the reminder Souradeep. Greg and others, please see if we need
> any changes here or it can be picked up?

It would help if the code would actually build:

drivers/misc/qcom-dcc.c: In function ‘ready_read’:
drivers/misc/qcom-dcc.c:853:13: error: unused variable ‘ret’ [-Werror=unused-variable]
  853 |         int ret = 0;
      |             ^~~

{sigh}

How in the world was this ever tested?

greg k-h

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