[avpatel:riscv_aia_v1 16/18] drivers/irqchip/irq-riscv-imsic.c:180:29: sparse: sparse: incorrect type in assignment (different address spaces)

[avpatel:riscv_aia_v1 16/18] drivers/irqchip/irq-riscv-imsic.c:180:29: sparse: sparse: incorrect type in assignment (different address spaces)

[kernel test robot]

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tree:   https://github.com/avpatel/linux.git riscv_aia_v1
head:   2a971916522ad5f6785a92cf4f3877b695c8d1a7
commit: 4f34d2a9d2f77117d4c6c4d3419dd478230c915f [16/18] irqchip: Add RISC-V incoming MSI controller driver
config: riscv-randconfig-s032-20210629 (attached as .config)
compiler: riscv32-linux-gcc (GCC) 9.3.0
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: v0.6.3-341-g8af24329-dirty
        # https://github.com/avpatel/linux/commit/4f34d2a9d2f77117d4c6c4d3419dd478230c915f
        git remote add avpatel https://github.com/avpatel/linux.git
        git fetch --no-tags avpatel riscv_aia_v1
        git checkout 4f34d2a9d2f77117d4c6c4d3419dd478230c915f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=riscv 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> drivers/irqchip/irq-riscv-imsic.c:180:29: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void * @@     got void [noderef] __iomem *msi_va @@
   drivers/irqchip/irq-riscv-imsic.c:180:29: sparse:     expected void *
   drivers/irqchip/irq-riscv-imsic.c:180:29: sparse:     got void [noderef] __iomem *msi_va
>> drivers/irqchip/irq-riscv-imsic.c:382:51: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void **out_msi_va @@     got void [noderef] __iomem ** @@
   drivers/irqchip/irq-riscv-imsic.c:382:51: sparse:     expected void **out_msi_va
   drivers/irqchip/irq-riscv-imsic.c:382:51: sparse:     got void [noderef] __iomem **

vim +180 drivers/irqchip/irq-riscv-imsic.c

   170	
   171	static int imsic_get_cpu_msi_virt(unsigned int cpu, void **out_msi_va)
   172	{
   173		struct imsic_handler *handler;
   174	
   175		handler = per_cpu_ptr(&imsic_handlers, cpu);
   176		if (!handler->priv)
   177			return -ENODEV;
   178	
   179		if (out_msi_va)
 > 180			*out_msi_va = handler->msi_va;
   181	
   182		return 0;
   183	}
   184	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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