Re: [PATCH v2 2/2] drivers: remoteproc: Add C906L controller for Sophgo CV1800B SoC

From: kernel test robot <lkp@intel.com>
To: Junhui Liu <junhui.liu@pigmoral.tech>,
	Bjorn Andersson <andersson@kernel.org>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Chen Wang <unicorn_wang@outlook.com>,
	Inochi Amaoto <inochiama@gmail.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>
Cc: oe-kbuild-all@lists.linux.dev, linux-remoteproc@vger.kernel.org,
	devicetree@vger.kernel.org, sophgo@lists.linux.dev,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org
Subject: Re: [PATCH v2 2/2] drivers: remoteproc: Add C906L controller for Sophgo CV1800B SoC
Date: Tue, 29 Jul 2025 19:11:34 +0800	[thread overview]
Message-ID: <202507291829.aB1UgzrA-lkp@intel.com> (raw)
In-Reply-To: <20250728-cv1800-rproc-v2-2-5bbee4abe9dc@pigmoral.tech>

Hi Junhui,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 038d61fd642278bab63ee8ef722c50d10ab01e8f]

url:    https://github.com/intel-lab-lkp/linux/commits/Junhui-Liu/dt-bindings-remoteproc-Add-C906L-rproc-for-Sophgo-CV1800B-SoC/20250728-190847
base:   038d61fd642278bab63ee8ef722c50d10ab01e8f
patch link:    https://lore.kernel.org/r/20250728-cv1800-rproc-v2-2-5bbee4abe9dc%40pigmoral.tech
patch subject: [PATCH v2 2/2] drivers: remoteproc: Add C906L controller for Sophgo CV1800B SoC
config: parisc-randconfig-r123-20250729 (https://download.01.org/0day-ci/archive/20250729/202507291829.aB1UgzrA-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 8.5.0
reproduce: (https://download.01.org/0day-ci/archive/20250729/202507291829.aB1UgzrA-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/202507291829.aB1UgzrA-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/remoteproc/sophgo_cv1800b_c906l.c:47:20: sparse: sparse: cast removes address space '__iomem' of expression

vim +/__iomem +47 drivers/remoteproc/sophgo_cv1800b_c906l.c

    36	
    37	static int cv1800b_c906l_mem_alloc(struct rproc *rproc,
    38					   struct rproc_mem_entry *mem)
    39	{
    40		void __iomem *va;
    41	
    42		va = ioremap_wc(mem->dma, mem->len);
    43		if (!va)
    44			return -ENOMEM;
    45	
    46		/* Update memory entry va */
  > 47		mem->va = (void *)va;
    48	
    49		return 0;
    50	}
    51	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki