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Date:   Mon, 10 Oct 2022 13:33:02 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, Hans Verkuil <hverkuil@...all.nl>
Subject: drivers/media/platform/verisilicon/hantro_drv.c:618:34: warning:
 unused variable 'of_hantro_match'

Hi Ezequiel,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   493ffd6605b2d3d4dc7008ab927dba319f36671f
commit: fbb6c848dd89786fe24856ee6b5e773910ded29c media: destage Hantro VPU driver
date:   6 weeks ago
config: hexagon-randconfig-r033-20221010
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fbb6c848dd89786fe24856ee6b5e773910ded29c
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout fbb6c848dd89786fe24856ee6b5e773910ded29c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/media/platform/verisilicon/

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

All warnings (new ones prefixed by >>):

>> drivers/media/platform/verisilicon/hantro_drv.c:618:34: warning: unused variable 'of_hantro_match' [-Wunused-const-variable]
   static const struct of_device_id of_hantro_match[] = {
                                    ^
   1 warning generated.


vim +/of_hantro_match +618 drivers/media/platform/verisilicon/hantro_drv.c

775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c Ezequiel Garcia    2018-12-05  617  
a29add8c9bb29d drivers/staging/media/hantro/hantro_drv.c             Philipp Zabel      2019-06-12 @618  static const struct of_device_id of_hantro_match[] = {
a29add8c9bb29d drivers/staging/media/hantro/hantro_drv.c             Philipp Zabel      2019-06-12  619  #ifdef CONFIG_VIDEO_HANTRO_ROCKCHIP
fb7cb344b96938 drivers/staging/media/hantro/hantro_drv.c             Paul Kocialkowski  2021-07-19  620  	{ .compatible = "rockchip,px30-vpu",   .data = &px30_vpu_variant, },
4f34591568e7a1 drivers/staging/media/hantro/hantro_drv.c             Alex Bee           2021-06-14  621  	{ .compatible = "rockchip,rk3036-vpu", .data = &rk3036_vpu_variant, },
78bb1ae5472cab drivers/staging/media/hantro/hantro_drv.c             Alex Bee           2021-06-14  622  	{ .compatible = "rockchip,rk3066-vpu", .data = &rk3066_vpu_variant, },
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c Ezequiel Garcia    2018-12-05  623  	{ .compatible = "rockchip,rk3288-vpu", .data = &rk3288_vpu_variant, },
4b898fedeb26c4 drivers/staging/media/hantro/hantro_drv.c             Alex Bee           2021-06-14  624  	{ .compatible = "rockchip,rk3328-vpu", .data = &rk3328_vpu_variant, },
4b898fedeb26c4 drivers/staging/media/hantro/hantro_drv.c             Alex Bee           2021-06-14  625  	{ .compatible = "rockchip,rk3399-vpu", .data = &rk3399_vpu_variant, },
6f1ae821a6c4aa drivers/staging/media/hantro/hantro_drv.c             Nicolas Frattaroli 2022-06-12  626  	{ .compatible = "rockchip,rk3568-vepu", .data = &rk3568_vepu_variant, },
5f6bfab6da6531 drivers/staging/media/hantro/hantro_drv.c             Piotr Oniszczuk    2022-02-14  627  	{ .compatible = "rockchip,rk3568-vpu", .data = &rk3568_vpu_variant, },
8e4aaa68786319 drivers/staging/media/hantro/hantro_drv.c             Philipp Zabel      2020-03-20  628  #endif
8e4aaa68786319 drivers/staging/media/hantro/hantro_drv.c             Philipp Zabel      2020-03-20  629  #ifdef CONFIG_VIDEO_HANTRO_IMX8M
cf1abc501a5c76 drivers/staging/media/hantro/hantro_drv.c             Adam Ford          2022-01-25  630  	{ .compatible = "nxp,imx8mm-vpu-g1", .data = &imx8mm_vpu_g1_variant, },
8e4aaa68786319 drivers/staging/media/hantro/hantro_drv.c             Philipp Zabel      2020-03-20  631  	{ .compatible = "nxp,imx8mq-vpu", .data = &imx8mq_vpu_variant, },
6971efb70ac3e4 drivers/staging/media/hantro/hantro_drv.c             Adam Ford          2022-01-25  632  	{ .compatible = "nxp,imx8mq-vpu-g1", .data = &imx8mq_vpu_g1_variant },
45040f67504195 drivers/staging/media/hantro/hantro_drv.c             Benjamin Gaignard  2021-06-03  633  	{ .compatible = "nxp,imx8mq-vpu-g2", .data = &imx8mq_vpu_g2_variant },
82ad940c009499 drivers/staging/media/hantro/hantro_drv.c             Emil Velikov       2021-04-01  634  #endif
82ad940c009499 drivers/staging/media/hantro/hantro_drv.c             Emil Velikov       2021-04-01  635  #ifdef CONFIG_VIDEO_HANTRO_SAMA5D4
82ad940c009499 drivers/staging/media/hantro/hantro_drv.c             Emil Velikov       2021-04-01  636  	{ .compatible = "microchip,sama5d4-vdec", .data = &sama5d4_vdec_variant, },
86790a4fdf4b3d drivers/staging/media/hantro/hantro_drv.c             Jernej Skrabec     2021-11-29  637  #endif
86790a4fdf4b3d drivers/staging/media/hantro/hantro_drv.c             Jernej Skrabec     2021-11-29  638  #ifdef CONFIG_VIDEO_HANTRO_SUNXI
86790a4fdf4b3d drivers/staging/media/hantro/hantro_drv.c             Jernej Skrabec     2021-11-29  639  	{ .compatible = "allwinner,sun50i-h6-vpu-g2", .data = &sunxi_vpu_variant, },
a29add8c9bb29d drivers/staging/media/hantro/hantro_drv.c             Philipp Zabel      2019-06-12  640  #endif
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c Ezequiel Garcia    2018-12-05  641  	{ /* sentinel */ }
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c Ezequiel Garcia    2018-12-05  642  };
a29add8c9bb29d drivers/staging/media/hantro/hantro_drv.c             Philipp Zabel      2019-06-12  643  MODULE_DEVICE_TABLE(of, of_hantro_match);
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c Ezequiel Garcia    2018-12-05  644  

:::::: The code at line 618 was first introduced by commit
:::::: a29add8c9bb29dfa8dc47c71b2702e9cc4f332a6 media: rockchip/vpu: rename from rockchip to hantro

:::::: TO: Philipp Zabel <p.zabel@...gutronix.de>
:::::: CC: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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