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From: kernel test robot <lkp@intel.com>
To: Rustam Adilov <adilov@disroot.org>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@kernel.org>
Subject: drivers/irqchip/irq-realtek-rtl.c:79:15: sparse: sparse: incorrect type in argument 1 (different address spaces)
Date: Thu, 03 Sep 2026 16:08:49 +0800	[thread overview]
Message-ID: <202609031600.1CNIzNmV-lkp@intel.com> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   940de590b839f71d6dc846160534bf202401b8b7
commit: 58b34b72b64bfbfc5f8ad4d8f229942aff76597e irqchip/irq-realtek-rtl: Use readl_be()/writel_be() instead of readl()/writel()
date:   2 weeks ago
config: mips-randconfig-r111-20260903 (https://download.01.org/0day-ci/archive/20260903/202609031600.1CNIzNmV-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 2c2cffa015e9549aafba9e514384b08204c7cc4b)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260903/202609031600.1CNIzNmV-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
| Fixes: 58b34b72b64b ("irqchip/irq-realtek-rtl: Use readl_be()/writel_be() instead of readl()/writel()")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609031600.1CNIzNmV-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/irqchip/irq-realtek-rtl.c:79:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned int * @@
   drivers/irqchip/irq-realtek-rtl.c:79:15: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/irqchip/irq-realtek-rtl.c:79:15: sparse:     got unsigned int *
>> drivers/irqchip/irq-realtek-rtl.c:79:15: sparse: sparse: cast to restricted __be32
>> drivers/irqchip/irq-realtek-rtl.c:81:9: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __be32 [usertype] @@
   drivers/irqchip/irq-realtek-rtl.c:81:9: sparse:     expected unsigned int [usertype] val
   drivers/irqchip/irq-realtek-rtl.c:81:9: sparse:     got restricted __be32 [usertype]
>> drivers/irqchip/irq-realtek-rtl.c:81:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned int * @@
   drivers/irqchip/irq-realtek-rtl.c:81:9: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/irqchip/irq-realtek-rtl.c:81:9: sparse:     got unsigned int *
   drivers/irqchip/irq-realtek-rtl.c:167:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned int * @@
   drivers/irqchip/irq-realtek-rtl.c:167:19: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/irqchip/irq-realtek-rtl.c:167:19: sparse:     got unsigned int *
   drivers/irqchip/irq-realtek-rtl.c:167:19: sparse: sparse: cast to restricted __be32
   drivers/irqchip/irq-realtek-rtl.c:168:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned int * @@
   drivers/irqchip/irq-realtek-rtl.c:168:19: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/irqchip/irq-realtek-rtl.c:168:19: sparse:     got unsigned int *
   drivers/irqchip/irq-realtek-rtl.c:168:19: sparse: sparse: cast to restricted __be32
   drivers/irqchip/irq-realtek-rtl.c:58:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned int * @@
   drivers/irqchip/irq-realtek-rtl.c:58:16: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/irqchip/irq-realtek-rtl.c:58:16: sparse:     got unsigned int *
   drivers/irqchip/irq-realtek-rtl.c:58:16: sparse: sparse: cast to restricted __be32
   drivers/irqchip/irq-realtek-rtl.c:60:9: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __be32 [usertype] @@
   drivers/irqchip/irq-realtek-rtl.c:60:9: sparse:     expected unsigned int [usertype] val
   drivers/irqchip/irq-realtek-rtl.c:60:9: sparse:     got restricted __be32 [usertype]
   drivers/irqchip/irq-realtek-rtl.c:60:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned int * @@
   drivers/irqchip/irq-realtek-rtl.c:60:9: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/irqchip/irq-realtek-rtl.c:60:9: sparse:     got unsigned int *
   drivers/irqchip/irq-realtek-rtl.c:67:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned int * @@
   drivers/irqchip/irq-realtek-rtl.c:67:16: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/irqchip/irq-realtek-rtl.c:67:16: sparse:     got unsigned int *
   drivers/irqchip/irq-realtek-rtl.c:67:16: sparse: sparse: cast to restricted __be32
   drivers/irqchip/irq-realtek-rtl.c:69:9: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __be32 [usertype] @@
   drivers/irqchip/irq-realtek-rtl.c:69:9: sparse:     expected unsigned int [usertype] val
   drivers/irqchip/irq-realtek-rtl.c:69:9: sparse:     got restricted __be32 [usertype]
   drivers/irqchip/irq-realtek-rtl.c:69:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned int * @@
   drivers/irqchip/irq-realtek-rtl.c:69:9: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/irqchip/irq-realtek-rtl.c:69:9: sparse:     got unsigned int *
   drivers/irqchip/irq-realtek-rtl.c:67:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *mem @@     got unsigned int * @@
   drivers/irqchip/irq-realtek-rtl.c:67:16: sparse:     expected void const volatile [noderef] __iomem *mem
   drivers/irqchip/irq-realtek-rtl.c:67:16: sparse:     got unsigned int *
   drivers/irqchip/irq-realtek-rtl.c:67:16: sparse: sparse: cast to restricted __be32
   drivers/irqchip/irq-realtek-rtl.c:69:9: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __be32 [usertype] @@
   drivers/irqchip/irq-realtek-rtl.c:69:9: sparse:     expected unsigned int [usertype] val
   drivers/irqchip/irq-realtek-rtl.c:69:9: sparse:     got restricted __be32 [usertype]
   drivers/irqchip/irq-realtek-rtl.c:69:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *mem @@     got unsigned int * @@
   drivers/irqchip/irq-realtek-rtl.c:69:9: sparse:     expected void volatile [noderef] __iomem *mem
   drivers/irqchip/irq-realtek-rtl.c:69:9: sparse:     got unsigned int *

vim +79 drivers/irqchip/irq-realtek-rtl.c

    71	
    72	static void write_irr(unsigned int cpu, int hw_irq, u32 value)
    73	{
    74		void __iomem *irr0 = REG(cpu, RTL_ICTL_IRR0);
    75		unsigned int offset = IRR_OFFSET(hw_irq);
    76		unsigned int shift = IRR_SHIFT(hw_irq);
    77		u32 irr;
    78	
  > 79		irr = readl_be(irr0 + offset) & ~(0xf << shift);
    80		irr |= (value & 0xf) << shift;
  > 81		writel_be(irr, irr0 + offset);
    82	}
    83	

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

                 reply	other threads:[~2026-09-03  8:09 UTC|newest]

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