linux-kernel - drivers/remoteproc/qcom_q6v5_pas.c:137:46: sparse: sparse: incorrect type in argument 2 (different address spaces)

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Message-ID: <202412080800.7u41CGUl-lkp@intel.com>
Date: Mon, 9 Dec 2024 12:34:09 +0800
From: kernel test robot <lkp@...el.com>
To: Julian Vetter <jvetter@...rayinc.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>,
	Catalin Marinas <catalin.marinas@....com>,
	Yann Sionneau <ysionneau@...rayinc.com>
Subject: drivers/remoteproc/qcom_q6v5_pas.c:137:46: sparse: sparse: incorrect
 type in argument 2 (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7503345ac5f5e82fd9a36d6e6b447c016376403a
commit: 0110feaaf6d0610d0089ae4897387df9a963b5f0 arm64: Use new fallback IO memcpy/memset
date:   6 weeks ago
config: arm64-randconfig-r131-20241208 (https://download.01.org/0day-ci/archive/20241208/202412080800.7u41CGUl-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 14.2.0
reproduce: (https://download.01.org/0day-ci/archive/20241208/202412080800.7u41CGUl-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/202412080800.7u41CGUl-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/remoteproc/qcom_q6v5_pas.c:137:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const volatile [noderef] __iomem *src @@     got void * @@
   drivers/remoteproc/qcom_q6v5_pas.c:137:46: sparse:     expected void const volatile [noderef] __iomem *src
   drivers/remoteproc/qcom_q6v5_pas.c:137:46: sparse:     got void *
   drivers/remoteproc/qcom_q6v5_pas.c:575:26: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *mem_region @@     got void [noderef] __iomem * @@
   drivers/remoteproc/qcom_q6v5_pas.c:575:26: sparse:     expected void *mem_region
   drivers/remoteproc/qcom_q6v5_pas.c:575:26: sparse:     got void [noderef] __iomem *
   drivers/remoteproc/qcom_q6v5_pas.c:600:30: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *dtb_mem_region @@     got void [noderef] __iomem * @@
   drivers/remoteproc/qcom_q6v5_pas.c:600:30: sparse:     expected void *dtb_mem_region
   drivers/remoteproc/qcom_q6v5_pas.c:600:30: sparse:     got void [noderef] __iomem *

vim +137 drivers/remoteproc/qcom_q6v5_pas.c

b9e718e950c3df drivers/remoteproc/qcom_adsp_pil.c Bjorn Andersson     2016-08-22  121  
181da4bcc3d4bb drivers/remoteproc/qcom_q6v5_pas.c Krzysztof Kozlowski 2023-05-07  122  static void adsp_segment_dump(struct rproc *rproc, struct rproc_dump_segment *segment,
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  123  		       void *dest, size_t offset, size_t size)
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  124  {
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  125  	struct qcom_adsp *adsp = rproc->priv;
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  126  	int total_offset;
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  127  
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  128  	total_offset = segment->da + segment->offset + offset - adsp->mem_phys;
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  129  	if (total_offset < 0 || total_offset + size > adsp->mem_size) {
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  130  		dev_err(adsp->dev,
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  131  			"invalid copy request for segment %pad with offset %zu and size %zu)\n",
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  132  			&segment->da, offset, size);
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  133  		memset(dest, 0xff, size);
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  134  		return;
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  135  	}
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  136  
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02 @137  	memcpy_fromio(dest, adsp->mem_region + total_offset, size);
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  138  }
a376c10d45a8e6 drivers/remoteproc/qcom_q6v5_pas.c Yogesh Lal          2022-11-02  139  

:::::: The code at line 137 was first introduced by commit
:::::: a376c10d45a8e6ee5ea55791193f90625b35e156 remoteproc: qcom: pas: Adjust the phys addr wrt the mem region

:::::: TO: Yogesh Lal <quic_ylal@...cinc.com>
:::::: CC: Bjorn Andersson <andersson@...nel.org>

-- 
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https://github.com/intel/lkp-tests/wiki