[kbuild-all] arch/arm/mach-socfpga/pm.c:75:25: sparse: sparse: incorrect type in argument 1 (different address spaces)

Hi Krzysztof, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a763d5a5abd65797aec3dd1bf01fe2ccbec32967 commit: 4483397b03536506535d611b0cb28a81a69e8edf ARM: socfpga: drop ARCH_SOCFPGA date: 9 months ago config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20211212/202112121223.N7ibZbQg-lk...) compiler: arm-linux-gnueabi-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... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 4483397b03536506535d611b0cb28a81a69e8edf # 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=arm SHELL=/bin/bash arch/arm/mach-socfpga/ drivers/dma/ drivers/edac/ drivers/gpu/drm/msm/ drivers/gpu/drm/tegra/ drivers/interconnect/qcom/ drivers/net/ethernet/mediatek/ drivers/net/vmxnet3/ drivers/net/wireless/mediatek/mt76/mt7915/ drivers/remoteproc/ drivers/scsi/bnx2fc/ drivers/scsi/lpfc/ drivers/staging/ fs/proc/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) arch/arm/mach-socfpga/pm.c:75:25: sparse: expected void *dest arch/arm/mach-socfpga/pm.c:75:25: sparse: got void [noderef] __iomem *[assigned] suspend_ocram_base -- 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 +75 arch/arm/mach-socfpga/pm.c 44fd8c7d4005f6 Alan Tull 2015-06-05 24 44fd8c7d4005f6 Alan Tull 2015-06-05 25 static int socfpga_setup_ocram_self_refresh(void) 44fd8c7d4005f6 Alan Tull 2015-06-05 26 { 44fd8c7d4005f6 Alan Tull 2015-06-05 27 struct platform_device *pdev; 44fd8c7d4005f6 Alan Tull 2015-06-05 28 phys_addr_t ocram_pbase; 44fd8c7d4005f6 Alan Tull 2015-06-05 29 struct device_node *np; 44fd8c7d4005f6 Alan Tull 2015-06-05 30 struct gen_pool *ocram_pool; 44fd8c7d4005f6 Alan Tull 2015-06-05 31 unsigned long ocram_base; 44fd8c7d4005f6 Alan Tull 2015-06-05 32 void __iomem *suspend_ocram_base; 44fd8c7d4005f6 Alan Tull 2015-06-05 33 int ret = 0; 44fd8c7d4005f6 Alan Tull 2015-06-05 34 44fd8c7d4005f6 Alan Tull 2015-06-05 35 np = of_find_compatible_node(NULL, NULL, "mmio-sram"); 44fd8c7d4005f6 Alan Tull 2015-06-05 36 if (!np) { 44fd8c7d4005f6 Alan Tull 2015-06-05 37 pr_err("%s: Unable to find mmio-sram in dtb\n", __func__); 44fd8c7d4005f6 Alan Tull 2015-06-05 38 return -ENODEV; 44fd8c7d4005f6 Alan Tull 2015-06-05 39 } 44fd8c7d4005f6 Alan Tull 2015-06-05 40 44fd8c7d4005f6 Alan Tull 2015-06-05 41 pdev = of_find_device_by_node(np); 44fd8c7d4005f6 Alan Tull 2015-06-05 42 if (!pdev) { 44fd8c7d4005f6 Alan Tull 2015-06-05 43 pr_warn("%s: failed to find ocram device!\n", __func__); 44fd8c7d4005f6 Alan Tull 2015-06-05 44 ret = -ENODEV; 44fd8c7d4005f6 Alan Tull 2015-06-05 45 goto put_node; 44fd8c7d4005f6 Alan Tull 2015-06-05 46 } 44fd8c7d4005f6 Alan Tull 2015-06-05 47 73858173593c31 Vladimir Zapolskiy 2015-09-04 48 ocram_pool = gen_pool_get(&pdev->dev, NULL); 44fd8c7d4005f6 Alan Tull 2015-06-05 49 if (!ocram_pool) { 44fd8c7d4005f6 Alan Tull 2015-06-05 50 pr_warn("%s: ocram pool unavailable!\n", __func__); 44fd8c7d4005f6 Alan Tull 2015-06-05 51 ret = -ENODEV; 3ad7b4e8f89d6b Yu Kuai 2020-07-21 52 goto put_device; 44fd8c7d4005f6 Alan Tull 2015-06-05 53 } 44fd8c7d4005f6 Alan Tull 2015-06-05 54 44fd8c7d4005f6 Alan Tull 2015-06-05 55 ocram_base = gen_pool_alloc(ocram_pool, socfpga_sdram_self_refresh_sz); 44fd8c7d4005f6 Alan Tull 2015-06-05 56 if (!ocram_base) { 44fd8c7d4005f6 Alan Tull 2015-06-05 57 pr_warn("%s: unable to alloc ocram!\n", __func__); 44fd8c7d4005f6 Alan Tull 2015-06-05 58 ret = -ENOMEM; 3ad7b4e8f89d6b Yu Kuai 2020-07-21 59 goto put_device; 44fd8c7d4005f6 Alan Tull 2015-06-05 60 } 44fd8c7d4005f6 Alan Tull 2015-06-05 61 44fd8c7d4005f6 Alan Tull 2015-06-05 62 ocram_pbase = gen_pool_virt_to_phys(ocram_pool, ocram_base); 44fd8c7d4005f6 Alan Tull 2015-06-05 63 44fd8c7d4005f6 Alan Tull 2015-06-05 64 suspend_ocram_base = __arm_ioremap_exec(ocram_pbase, 44fd8c7d4005f6 Alan Tull 2015-06-05 65 socfpga_sdram_self_refresh_sz, 44fd8c7d4005f6 Alan Tull 2015-06-05 66 false); 44fd8c7d4005f6 Alan Tull 2015-06-05 67 if (!suspend_ocram_base) { 44fd8c7d4005f6 Alan Tull 2015-06-05 68 pr_warn("%s: __arm_ioremap_exec failed!\n", __func__); 44fd8c7d4005f6 Alan Tull 2015-06-05 69 ret = -ENOMEM; 3ad7b4e8f89d6b Yu Kuai 2020-07-21 70 goto put_device; 44fd8c7d4005f6 Alan Tull 2015-06-05 71 } 44fd8c7d4005f6 Alan Tull 2015-06-05 72 44fd8c7d4005f6 Alan Tull 2015-06-05 73 /* Copy the code that puts DDR in self refresh to ocram */ 44fd8c7d4005f6 Alan Tull 2015-06-05 74 socfpga_sdram_self_refresh_in_ocram = 44fd8c7d4005f6 Alan Tull 2015-06-05 @75 (void *)fncpy(suspend_ocram_base, 44fd8c7d4005f6 Alan Tull 2015-06-05 76 &socfpga_sdram_self_refresh, 44fd8c7d4005f6 Alan Tull 2015-06-05 77 socfpga_sdram_self_refresh_sz); 44fd8c7d4005f6 Alan Tull 2015-06-05 78 44fd8c7d4005f6 Alan Tull 2015-06-05 79 WARN(!socfpga_sdram_self_refresh_in_ocram, 44fd8c7d4005f6 Alan Tull 2015-06-05 80 "could not copy function to ocram"); 44fd8c7d4005f6 Alan Tull 2015-06-05 81 if (!socfpga_sdram_self_refresh_in_ocram) 44fd8c7d4005f6 Alan Tull 2015-06-05 82 ret = -EFAULT; 44fd8c7d4005f6 Alan Tull 2015-06-05 83 3ad7b4e8f89d6b Yu Kuai 2020-07-21 84 put_device: 3ad7b4e8f89d6b Yu Kuai 2020-07-21 85 put_device(&pdev->dev); 44fd8c7d4005f6 Alan Tull 2015-06-05 86 put_node: 44fd8c7d4005f6 Alan Tull 2015-06-05 87 of_node_put(np); 44fd8c7d4005f6 Alan Tull 2015-06-05 88 44fd8c7d4005f6 Alan Tull 2015-06-05 89 return ret; 44fd8c7d4005f6 Alan Tull 2015-06-05 90 } 44fd8c7d4005f6 Alan Tull 2015-06-05 91 :::::: The code at line 75 was first introduced by commit :::::: 44fd8c7d4005f660f48679439f0a54225ba234a4 ARM: socfpga: support suspend to ram :::::: TO: Alan Tull <atull(a)opensource.altera.com&gt; :::::: CC: Kevin Hilman <khilman(a)linaro.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org