linux-kernel - Re: [PATCH v5 2/2] irqchip/irq-loongarch-ir:Add Redirect irqchip support

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Message-ID: <202510110810.nIsLpJni-lkp@intel.com>
Date: Sat, 11 Oct 2025 09:12:23 +0800
From: kernel test robot <lkp@...el.com>
To: Tianyang Zhang <zhangtianyang@...ngson.cn>, chenhuacai@...nel.org,
	kernel@...0n.name, corbet@....net, alexs@...nel.org,
	si.yanteng@...ux.dev, tglx@...utronix.de, jiaxun.yang@...goat.com,
	peterz@...radead.org, wangliupu@...ngson.cn, lvjianmin@...ngson.cn,
	maobibo@...ngson.cn, siyanteng@...oftware.com.cn,
	gaosong@...ngson.cn, yangtiezhu@...ngson.cn
Cc: oe-kbuild-all@...ts.linux.dev, loongarch@...ts.linux.dev,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Tianyang Zhang <zhangtianyang@...ngson.cn>
Subject: Re: [PATCH v5 2/2] irqchip/irq-loongarch-ir:Add Redirect irqchip
 support

Hi Tianyang,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tip/irq/core]
[also build test WARNING on linus/master v6.17 next-20251010]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Tianyang-Zhang/Docs-LoongArch-Add-Advanced-Extended-Redirect-IRQ-model-description/20251010-131542
base:   tip/irq/core
patch link:    https://lore.kernel.org/r/20251010022845.140234-3-zhangtianyang%40loongson.cn
patch subject: [PATCH v5 2/2] irqchip/irq-loongarch-ir:Add Redirect irqchip support
config: loongarch-randconfig-r121-20251011 (https://download.01.org/0day-ci/archive/20251011/202510110810.nIsLpJni-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251011/202510110810.nIsLpJni-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/202510110810.nIsLpJni-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/irqchip/irq-loongarch-ir.c:130:34: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void [noderef] __iomem *reg_addr @@     got void * @@
   drivers/irqchip/irq-loongarch-ir.c:130:34: sparse:     expected void [noderef] __iomem *reg_addr
   drivers/irqchip/irq-loongarch-ir.c:130:34: sparse:     got void *
>> drivers/irqchip/irq-loongarch-ir.c:130:34: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void [noderef] __iomem *reg_addr @@     got void * @@
   drivers/irqchip/irq-loongarch-ir.c:130:34: sparse:     expected void [noderef] __iomem *reg_addr
   drivers/irqchip/irq-loongarch-ir.c:130:34: sparse:     got void *
   drivers/irqchip/irq-loongarch-ir.c:123:34: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void [noderef] __iomem *reg_addr @@     got void * @@
   drivers/irqchip/irq-loongarch-ir.c:123:34: sparse:     expected void [noderef] __iomem *reg_addr
   drivers/irqchip/irq-loongarch-ir.c:123:34: sparse:     got void *
   drivers/irqchip/irq-loongarch-ir.c:159:9: sparse: sparse: context imbalance in 'invalid_enqueue' - wrong count at exit
   drivers/irqchip/irq-loongarch-ir.c:188:12: sparse: sparse: context imbalance in 'redirect_table_alloc' - wrong count at exit
   drivers/irqchip/irq-loongarch-ir.c:116:34: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void [noderef] __iomem *reg_addr @@     got void * @@
   drivers/irqchip/irq-loongarch-ir.c:116:34: sparse:     expected void [noderef] __iomem *reg_addr
   drivers/irqchip/irq-loongarch-ir.c:116:34: sparse:     got void *
   drivers/irqchip/irq-loongarch-ir.c:116:34: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void [noderef] __iomem *reg_addr @@     got void * @@
   drivers/irqchip/irq-loongarch-ir.c:116:34: sparse:     expected void [noderef] __iomem *reg_addr
   drivers/irqchip/irq-loongarch-ir.c:116:34: sparse:     got void *
   drivers/irqchip/irq-loongarch-ir.c:123:34: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void [noderef] __iomem *reg_addr @@     got void * @@
   drivers/irqchip/irq-loongarch-ir.c:123:34: sparse:     expected void [noderef] __iomem *reg_addr
   drivers/irqchip/irq-loongarch-ir.c:123:34: sparse:     got void *
   drivers/irqchip/irq-loongarch-ir.c:123:34: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void [noderef] __iomem *reg_addr @@     got void * @@
   drivers/irqchip/irq-loongarch-ir.c:123:34: sparse:     expected void [noderef] __iomem *reg_addr
   drivers/irqchip/irq-loongarch-ir.c:123:34: sparse:     got void *
   drivers/irqchip/irq-loongarch-ir.c:116:34: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void [noderef] __iomem *reg_addr @@     got void * @@
   drivers/irqchip/irq-loongarch-ir.c:116:34: sparse:     expected void [noderef] __iomem *reg_addr
   drivers/irqchip/irq-loongarch-ir.c:116:34: sparse:     got void *

vim +130 drivers/irqchip/irq-loongarch-ir.c

   127	
   128	static inline u32 redirect_read_reg32(int node, int reg)
   129	{
 > 130		void __iomem *reg_addr = REDIRECT_REG(reg, node);
   131	
   132		return readl(reg_addr);
   133	}
   134	

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