linux-kernel - drivers/edac/altera_edac.c:886:28: sparse: sparse: incorrect type in argument 1 (different base types)

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Date:   Mon, 21 Feb 2022 08:49:59 +0800
From:   kernel test robot <lkp@...el.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Dinh Nguyen <dinguyen@...nel.org>
Subject: drivers/edac/altera_edac.c:886:28: sparse: sparse: incorrect type in
 argument 1 (different base types)

Hi Krzysztof,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   cfb92440ee71adcc2105b0890bb01ac3cddb8507
commit: 4a9a1a5602d82c079325bf37466af0b67d6c0b9e arm64: socfpga: merge Agilex and N5X into ARCH_INTEL_SOCFPGA
date:   11 months ago
config: arm64-randconfig-s032-20220220 (https://download.01.org/0day-ci/archive/20220221/202202210837.SSt1wcDZ-lkp@intel.com/config)
compiler: aarch64-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/?id=4a9a1a5602d82c079325bf37466af0b67d6c0b9e
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 4a9a1a5602d82c079325bf37466af0b67d6c0b9e
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kvm/ drivers/edac/ drivers/soc/

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


sparse warnings: (new ones prefixed by >>)
>> drivers/edac/altera_edac.c:886:28: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __be32 const [usertype] *p @@     got unsigned int const [usertype] *handle @@
   drivers/edac/altera_edac.c:886:28: sparse:     expected restricted __be32 const [usertype] *p
   drivers/edac/altera_edac.c:886:28: sparse:     got unsigned int const [usertype] *handle

vim +886 drivers/edac/altera_edac.c

1166fde93d5b1d Thor Thayer 2016-06-22  878  
1166fde93d5b1d Thor Thayer 2016-06-22  879  static inline int a10_get_irq_mask(struct device_node *np)
1166fde93d5b1d Thor Thayer 2016-06-22  880  {
1166fde93d5b1d Thor Thayer 2016-06-22  881  	int irq;
1166fde93d5b1d Thor Thayer 2016-06-22  882  	const u32 *handle = of_get_property(np, "interrupts", NULL);
1166fde93d5b1d Thor Thayer 2016-06-22  883  
1166fde93d5b1d Thor Thayer 2016-06-22  884  	if (!handle)
1166fde93d5b1d Thor Thayer 2016-06-22  885  		return -ENODEV;
1166fde93d5b1d Thor Thayer 2016-06-22 @886  	irq = be32_to_cpup(handle);
1166fde93d5b1d Thor Thayer 2016-06-22  887  	return irq;
1166fde93d5b1d Thor Thayer 2016-06-22  888  }
1166fde93d5b1d Thor Thayer 2016-06-22  889  

:::::: The code at line 886 was first introduced by commit
:::::: 1166fde93d5b1d7267992edc7e2c8ee129d6667e EDAC, altera: Add Arria10 ECC memory init functions

:::::: TO: Thor Thayer <tthayer@...nsource.altera.com>
:::::: CC: Borislav Petkov <bp@...e.de>

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