drivers/phy/marvell/phy-mmp3-hsic.c:61:31: sparse: sparse: cast removes address space '__iomem' of expression

Friday, 12 November 2021


tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   5833291ab6de9c3e2374336b51c814e515e8f3a5
commit: 0347c69214f4b600f40c0dc58945dc2798e2b3d9 phy: Add USB HSIC PHY driver for Marvell
MMP3 SoC
date:   1 year ago
config: riscv-randconfig-s032-20211109 (attached as .config)
compiler: riscv32-linux-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        #
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit...
        git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 0347c69214f4b600f40c0dc58945dc2798e2b3d9
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash
arch/riscv/kernel/ drivers/clk/qcom/ drivers/clocksource/ drivers/firmware/arm_scmi/
drivers/firmware/efi/test/ drivers/mmc/host/ drivers/mtd/nand/onenand/
drivers/mtd/nand/raw/ drivers/pci/endpoint/functions/ drivers/phy/marvell/ drivers/pwm/
drivers/soc/bcm/bcm63xx/ drivers/staging/vc04_services/ drivers/uio/
drivers/usb/gadget/function/ drivers/video/fbdev/ fs/ kernel/ lib/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com&gt;


sparse warnings: (new ones prefixed by >>)
...
> drivers/phy/marvell/phy-mmp3-hsic.c:61:31: sparse: sparse: cast
removes address space '__iomem' of expression 
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, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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