linux-kernel - Re: [PATCH v3 2/2] drivers: dma: altera-msgdma: add OF support

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Date:   Thu, 29 Apr 2021 20:46:25 +0800
From:   kernel test robot <lkp@...el.com>
To:     Olivier Dautricourt <olivier.dautricourt@...lia.com>,
        Rob Herring <robh+dt@...nel.org>,
        Vinod Koul <vkoul@...nel.org>, Stefan Roese <sr@...x.de>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        Olivier Dautricourt <olivier.dautricourt@...lia.com>,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] drivers: dma: altera-msgdma: add OF support

Hi Olivier,

I love your patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on vkoul-dmaengine/next linux/master linus/master v5.12 next-20210429]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Olivier-Dautricourt/dt-bindings-dma-add-schema-for-altr-msgdma/20210429-153100
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: x86_64-randconfig-a014-20210429 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9131a078901b00e68248a27a4f8c4b11bb1db1ae)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/d236d651cdf2990a9bcba2230405a3c9e7553bd7
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Olivier-Dautricourt/dt-bindings-dma-add-schema-for-altr-msgdma/20210429-153100
        git checkout d236d651cdf2990a9bcba2230405a3c9e7553bd7
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/dma/altera-msgdma.c:938:34: warning: unused variable 'msgdma_match' [-Wunused-const-variable]
   static const struct of_device_id msgdma_match[] = {
                                    ^
   1 warning generated.


vim +/msgdma_match +938 drivers/dma/altera-msgdma.c

   937	
 > 938	static const struct of_device_id msgdma_match[] = {
   939		{ .compatible = "altr,msgdma",},
   940		{ }
   941	};
   942	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (29801 bytes)