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Message-ID: <202311241748.wzrgG9o6-lkp@intel.com>
Date:   Fri, 24 Nov 2023 23:40:53 +0800
From:   kernel test robot <lkp@...el.com>
To:     Neil Armstrong <neil.armstrong@...aro.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Bjorn Andersson <andersson@...nel.org>
Subject: drivers/remoteproc/qcom_q6v5_pas.c:550:30: sparse: sparse: incorrect
 type in assignment (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f1a09972a45ae63efbd1587337c4be13b1893330
commit: 29814986b82e820ae9d3eb7474cdcf66605bd114 remoteproc: qcom_q6v5_pas: add support for dtb co-firmware loading
date:   10 months ago
config: arm64-randconfig-r132-20231123 (https://download.01.org/0day-ci/archive/20231124/202311241748.wzrgG9o6-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce: (https://download.01.org/0day-ci/archive/20231124/202311241748.wzrgG9o6-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311241748.wzrgG9o6-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/remoteproc/qcom_q6v5_pas.c:528:26: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *mem_region @@     got void [noderef] __iomem * @@
   drivers/remoteproc/qcom_q6v5_pas.c:528:26: sparse:     expected void *mem_region
   drivers/remoteproc/qcom_q6v5_pas.c:528:26: sparse:     got void [noderef] __iomem *
>> drivers/remoteproc/qcom_q6v5_pas.c:550:30: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *dtb_mem_region @@     got void [noderef] __iomem * @@
   drivers/remoteproc/qcom_q6v5_pas.c:550:30: sparse:     expected void *dtb_mem_region
   drivers/remoteproc/qcom_q6v5_pas.c:550:30: sparse:     got void [noderef] __iomem *

vim +550 drivers/remoteproc/qcom_q6v5_pas.c

   508	
   509	static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
   510	{
   511		struct device_node *node;
   512		struct resource r;
   513		int ret;
   514	
   515		node = of_parse_phandle(adsp->dev->of_node, "memory-region", 0);
   516		if (!node) {
   517			dev_err(adsp->dev, "no memory-region specified\n");
   518			return -EINVAL;
   519		}
   520	
   521		ret = of_address_to_resource(node, 0, &r);
   522		of_node_put(node);
   523		if (ret)
   524			return ret;
   525	
   526		adsp->mem_phys = adsp->mem_reloc = r.start;
   527		adsp->mem_size = resource_size(&r);
   528		adsp->mem_region = devm_ioremap_wc(adsp->dev, adsp->mem_phys, adsp->mem_size);
   529		if (!adsp->mem_region) {
   530			dev_err(adsp->dev, "unable to map memory region: %pa+%zx\n",
   531				&r.start, adsp->mem_size);
   532			return -EBUSY;
   533		}
   534	
   535		if (!adsp->dtb_pas_id)
   536			return 0;
   537	
   538		node = of_parse_phandle(adsp->dev->of_node, "memory-region", 1);
   539		if (!node) {
   540			dev_err(adsp->dev, "no dtb memory-region specified\n");
   541			return -EINVAL;
   542		}
   543	
   544		ret = of_address_to_resource(node, 0, &r);
   545		if (ret)
   546			return ret;
   547	
   548		adsp->dtb_mem_phys = adsp->dtb_mem_reloc = r.start;
   549		adsp->dtb_mem_size = resource_size(&r);
 > 550		adsp->dtb_mem_region = devm_ioremap_wc(adsp->dev, adsp->dtb_mem_phys, adsp->dtb_mem_size);
   551		if (!adsp->dtb_mem_region) {
   552			dev_err(adsp->dev, "unable to map dtb memory region: %pa+%zx\n",
   553				&r.start, adsp->dtb_mem_size);
   554			return -EBUSY;
   555		}
   556	
   557		return 0;
   558	}
   559	

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

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