drivers/irqchip/irq-realtek-rtl.c:79:15: sparse: sparse: incorrect type in argument 1 (different address spaces)
From: kernel test robot
Date: Thu Sep 03 2026 - 04:16:27 EST
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@xxxxxxxxx/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@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609031600.1CNIzNmV-lkp@xxxxxxxxx/
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
--
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