linux-kernel - drivers/phy/marvell/phy-mmp3-hsic.c:61:31: sparse: sparse: cast removes address space '_

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Message-ID: <202312091417.wmY8IiVm-lkp@intel.com>
Date:   Sat, 9 Dec 2023 14:22:06 +0800
From:   kernel test robot <lkp@...el.com>
To:     Lubomir Rintel <lkundrak@...sk>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Vinod Koul <vkoul@...nel.org>
Subject: drivers/phy/marvell/phy-mmp3-hsic.c:61:31: sparse: sparse: cast
 removes address space '__iomem' of expression

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f2e8a57ee9036c7d5443382b6c3c09b51a92ec7e
commit: 0347c69214f4b600f40c0dc58945dc2798e2b3d9 phy: Add USB HSIC PHY driver for Marvell MMP3 SoC
date:   3 years, 1 month ago
config: openrisc-randconfig-r131-20231102 (https://download.01.org/0day-ci/archive/20231209/202312091417.wmY8IiVm-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231209/202312091417.wmY8IiVm-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/202312091417.wmY8IiVm-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/phy/marvell/phy-mmp3-hsic.c:61:31: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/phy/marvell/phy-mmp3-hsic.c: note: in included file (through arch/openrisc/include/asm/io.h, include/linux/io.h):
   include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:299:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] value @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:299:22: sparse:     expected unsigned int [usertype] value
   include/asm-generic/io.h:299:22: sparse:     got restricted __le32 [usertype]

vim +/__iomem +61 drivers/phy/marvell/phy-mmp3-hsic.c

    39	
    40	static int mmp3_hsic_phy_probe(struct platform_device *pdev)
    41	{
    42		struct device *dev = &pdev->dev;
    43		struct phy_provider *provider;
    44		struct resource *resource;
    45		void __iomem *base;
    46		struct phy *phy;
    47	
    48		resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
    49		base = devm_ioremap_resource(dev, resource);
    50		if (IS_ERR(base)) {
    51			dev_err(dev, "failed to remap PHY regs\n");
    52			return PTR_ERR(base);
    53		}
    54	
    55		phy = devm_phy_create(dev, NULL, &mmp3_hsic_phy_ops);
    56		if (IS_ERR(phy)) {
    57			dev_err(dev, "failed to create PHY\n");
    58			return PTR_ERR(phy);
    59		}
    60	
  > 61		phy_set_drvdata(phy, (void *)base);
    62		provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
    63		if (IS_ERR(provider)) {
    64			dev_err(dev, "failed to register PHY provider\n");
    65			return PTR_ERR(provider);
    66		}
    67	
    68		return 0;
    69	}
    70	

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