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Date: Fri, 1 Mar 2024 01:52:41 +0800
From: kernel test robot <lkp@intel.com>
To: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>,
	Abel Vesa <abelvesa@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>, Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	linux-clk@vger.kernel.org, imx@lists.linux.dev,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Peng Fan <peng.fan@nxp.com>
Subject: Re: [PATCH 2/2] clk: imx: add i.MX95 BLK CTL clk driver
Message-ID: <202403010142.5gu9hKpX-lkp@intel.com>
References: <20240228-imx95-blk-ctl-v1-2-9b5ae3c14d83@nxp.com>
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In-Reply-To: <20240228-imx95-blk-ctl-v1-2-9b5ae3c14d83@nxp.com>

Hi Peng,

kernel test robot noticed the following build errors:

[auto build test ERROR on 22ba90670a51a18c6b36d285fddf92b9887c0bc3]

url:    https://github.com/intel-lab-lkp/linux/commits/Peng-Fan-OSS/dt-bindindgs-clock-support-NXP-i-MX95-BLK-CTL-module/20240228-122408
base:   22ba90670a51a18c6b36d285fddf92b9887c0bc3
patch link:    https://lore.kernel.org/r/20240228-imx95-blk-ctl-v1-2-9b5ae3c14d83%40nxp.com
patch subject: [PATCH 2/2] clk: imx: add i.MX95 BLK CTL clk driver
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240301/202403010142.5gu9hKpX-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 325f51237252e6dab8e4e1ea1fa7acbb4faee1cd)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240301/202403010142.5gu9hKpX-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403010142.5gu9hKpX-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/clk/imx/clk-imx95-blk-ctl.c:13:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     547 |         val = __raw_readb(PCI_IOBASE + addr);
         |                           ~~~~~~~~~~ ^
   include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     560 |         val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
      37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
         |                                                   ^
   In file included from drivers/clk/imx/clk-imx95-blk-ctl.c:13:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     573 |         val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
      35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
         |                                                   ^
   In file included from drivers/clk/imx/clk-imx95-blk-ctl.c:13:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     584 |         __raw_writeb(value, PCI_IOBASE + addr);
         |                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     594 |         __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     604 |         __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
>> drivers/clk/imx/clk-imx95-blk-ctl.c:425:25: error: use of undeclared identifier 'imx95_blk_ctl_match'; did you mean 'imx95_bc_of_match'?
     425 | MODULE_DEVICE_TABLE(of, imx95_blk_ctl_match);
         |                         ^~~~~~~~~~~~~~~~~~~
         |                         imx95_bc_of_match
   include/linux/module.h:244:15: note: expanded from macro 'MODULE_DEVICE_TABLE'
     244 | extern typeof(name) __mod_##type##__##name##_device_table               \
         |               ^
   drivers/clk/imx/clk-imx95-blk-ctl.c:416:34: note: 'imx95_bc_of_match' declared here
     416 | static const struct of_device_id imx95_bc_of_match[] = {
         |                                  ^
   6 warnings and 1 error generated.


vim +425 drivers/clk/imx/clk-imx95-blk-ctl.c

   415	
   416	static const struct of_device_id imx95_bc_of_match[] = {
   417		{ .compatible = "nxp,imx95-cameramix-csr", .data = &camblk_dev_data },
   418		{ .compatible = "nxp,imx95-display-master-csr", },
   419		{ .compatible = "nxp,imx95-dispmix-lvds-csr", .data = &lvds_csr_dev_data },
   420		{ .compatible = "nxp,imx95-dispmix-csr", .data = &dispmix_csr_dev_data },
   421		{ .compatible = "nxp,imx95-netcmix-blk-ctrl", },
   422		{ .compatible = "nxp,imx95-vpumix-csr", .data = &vpublk_dev_data },
   423		{ /* Sentinel */ },
   424	};
 > 425	MODULE_DEVICE_TABLE(of, imx95_blk_ctl_match);
   426	

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