linux-kernel - arch/arm/mach-tegra/pm.c:116:27: sparse: sparse: incorrect type in initializer (different address spaces)

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Date:   Mon, 24 Oct 2022 14:25:36 +0800
From:   kernel test robot <lkp@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: arch/arm/mach-tegra/pm.c:116:27: sparse: sparse: incorrect type in
 initializer (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   247f34f7b80357943234f93f247a1ae6b6c3a740
commit: 09f6b27d5ddd9ad0ec096d1b0f8decdacc70f0f8 ARM: dove: multiplatform support
date:   7 months ago
config: arm-randconfig-s043-20221024
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=09f6b27d5ddd9ad0ec096d1b0f8decdacc70f0f8
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 09f6b27d5ddd9ad0ec096d1b0f8decdacc70f0f8
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash

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

sparse warnings: (new ones prefixed by >>)
>> arch/arm/mach-tegra/pm.c:116:27: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected unsigned int [usertype] *cpu_in_lp2 @@     got void [noderef] __iomem * @@
   arch/arm/mach-tegra/pm.c:116:27: sparse:     expected unsigned int [usertype] *cpu_in_lp2
   arch/arm/mach-tegra/pm.c:116:27: sparse:     got void [noderef] __iomem *
   arch/arm/mach-tegra/pm.c:129:27: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected unsigned int [usertype] *cpu_in_lp2 @@     got void [noderef] __iomem * @@
   arch/arm/mach-tegra/pm.c:129:27: sparse:     expected unsigned int [usertype] *cpu_in_lp2
   arch/arm/mach-tegra/pm.c:129:27: sparse:     got void [noderef] __iomem *
>> arch/arm/mach-tegra/pm.c:322:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const *src @@     got void [noderef] __iomem * @@
   arch/arm/mach-tegra/pm.c:322:9: sparse:     expected void const *src
   arch/arm/mach-tegra/pm.c:322:9: sparse:     got void [noderef] __iomem *
>> arch/arm/mach-tegra/pm.c:324:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *dest @@     got void [noderef] __iomem * @@
   arch/arm/mach-tegra/pm.c:324:9: sparse:     expected void *dest
   arch/arm/mach-tegra/pm.c:324:9: sparse:     got void [noderef] __iomem *
>> arch/arm/mach-tegra/pm.c:327:12: sparse: sparse: cast removes address space '__iomem' of expression
   arch/arm/mach-tegra/pm.c:333:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *dest @@     got void [noderef] __iomem * @@
   arch/arm/mach-tegra/pm.c:333:9: sparse:     expected void *dest
   arch/arm/mach-tegra/pm.c:333:9: sparse:     got void [noderef] __iomem *
   arch/arm/mach-tegra/pm.c:336:11: sparse: sparse: cast removes address space '__iomem' of expression
--
>> arch/arm/mach-mvebu/pmsu.c:145:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *dest @@     got void [noderef] __iomem *[assigned] sram_virt_base @@
   arch/arm/mach-mvebu/pmsu.c:145:9: sparse:     expected void *dest
   arch/arm/mach-mvebu/pmsu.c:145:9: sparse:     got void [noderef] __iomem *[assigned] sram_virt_base

vim +116 arch/arm/mach-tegra/pm.c

d552920a02759c Joseph Lo       2012-10-31  112  
1f3e18ec95f615 Dmitry Osipenko 2020-02-25  113  void tegra_pm_clear_cpu_in_lp2(void)
d457ef358f3c71 Joseph Lo       2012-10-31  114  {
8f6a0b6528820f Joseph Lo       2013-06-04  115  	int phy_cpu_id = cpu_logical_map(smp_processor_id());
d457ef358f3c71 Joseph Lo       2012-10-31 @116  	u32 *cpu_in_lp2 = tegra_cpu_lp2_mask;
d457ef358f3c71 Joseph Lo       2012-10-31  117  
d457ef358f3c71 Joseph Lo       2012-10-31  118  	spin_lock(&tegra_lp2_lock);
d457ef358f3c71 Joseph Lo       2012-10-31  119  
d457ef358f3c71 Joseph Lo       2012-10-31  120  	BUG_ON(!(*cpu_in_lp2 & BIT(phy_cpu_id)));
d457ef358f3c71 Joseph Lo       2012-10-31  121  	*cpu_in_lp2 &= ~BIT(phy_cpu_id);
d457ef358f3c71 Joseph Lo       2012-10-31  122  
d457ef358f3c71 Joseph Lo       2012-10-31  123  	spin_unlock(&tegra_lp2_lock);
d457ef358f3c71 Joseph Lo       2012-10-31  124  }
d457ef358f3c71 Joseph Lo       2012-10-31  125  

:::::: The code at line 116 was first introduced by commit
:::::: d457ef358f3c7179c428becda45b1dfd2b8cf98a ARM: tegra30: cpuidle: add powered-down state for secondary CPUs

:::::: TO: Joseph Lo <josephl@...dia.com>
:::::: CC: Stephen Warren <swarren@...dia.com>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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