arch/arm/mach-imx/pm-imx5.c:360:36: sparse: sparse: incorrect type in argument 1 (different address spaces)

From: kernel test robot
Date: Sun Aug 14 2022 - 03:15:58 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: aea23e7c464bfdec04b52cf61edb62030e9e0d0a
commit: f68f2ff91512c199ec24883001245912afc17873 fortify: Detect struct member overflows in memcpy() at compile-time
date: 6 months ago
config: arm-randconfig-s031-20220810 (https://download.01.org/0day-ci/archive/20220814/202208141502.qg2ciW6Z-lkp@xxxxxxxxx/config)
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=f68f2ff91512c199ec24883001245912afc17873
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout f68f2ff91512c199ec24883001245912afc17873
# 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@xxxxxxxxx>

sparse warnings: (new ones prefixed by >>)
arch/arm/mach-imx/pm-imx5.c:244:17: sparse: sparse: restricted suspend_state_t degrades to integer
arch/arm/mach-imx/pm-imx5.c:244:25: sparse: sparse: restricted suspend_state_t degrades to integer
arch/arm/mach-imx/pm-imx5.c:244:42: sparse: sparse: restricted suspend_state_t degrades to integer
arch/arm/mach-imx/pm-imx5.c:244:51: sparse: sparse: restricted suspend_state_t degrades to integer
arch/arm/mach-imx/pm-imx5.c:342:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct imx5_cpu_suspend_info *suspend_info @@ got void [noderef] __iomem *static [addressable] [toplevel] suspend_ocram_base @@
arch/arm/mach-imx/pm-imx5.c:342:22: sparse: expected struct imx5_cpu_suspend_info *suspend_info
arch/arm/mach-imx/pm-imx5.c:342:22: sparse: got void [noderef] __iomem *static [addressable] [toplevel] suspend_ocram_base
>> arch/arm/mach-imx/pm-imx5.c:360:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem * @@
arch/arm/mach-imx/pm-imx5.c:360:36: sparse: expected void const *
arch/arm/mach-imx/pm-imx5.c:360:36: sparse: got void [noderef] __iomem *
>> arch/arm/mach-imx/pm-imx5.c:360:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem * @@
arch/arm/mach-imx/pm-imx5.c:360:36: sparse: expected void const *
arch/arm/mach-imx/pm-imx5.c:360:36: sparse: got void [noderef] __iomem *
arch/arm/mach-imx/pm-imx5.c:360:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/arm/mach-imx/pm-imx5.c:360:36: sparse: expected void *
arch/arm/mach-imx/pm-imx5.c:360:36: sparse: got void [noderef] __iomem *
--
arch/arm/mach-imx/pm-imx6.c:373:24: sparse: sparse: cast removes address space '__iomem' of expression
arch/arm/mach-imx/pm-imx6.c:513:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *p @@ got void [noderef] __iomem *static [assigned] [toplevel] suspend_ocram_base @@
arch/arm/mach-imx/pm-imx6.c:513:16: sparse: expected void *p
arch/arm/mach-imx/pm-imx6.c:513:16: sparse: got void [noderef] __iomem *static [assigned] [toplevel] suspend_ocram_base
arch/arm/mach-imx/pm-imx6.c:514:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct imx6_cpu_pm_info *pm_info @@ got void [noderef] __iomem *static [assigned] [toplevel] suspend_ocram_base @@
arch/arm/mach-imx/pm-imx6.c:514:17: sparse: expected struct imx6_cpu_pm_info *pm_info
arch/arm/mach-imx/pm-imx6.c:514:17: sparse: got void [noderef] __iomem *static [assigned] [toplevel] suspend_ocram_base
>> arch/arm/mach-imx/pm-imx6.c:570:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem * @@
arch/arm/mach-imx/pm-imx6.c:570:36: sparse: expected void const *
arch/arm/mach-imx/pm-imx6.c:570:36: sparse: got void [noderef] __iomem *
>> arch/arm/mach-imx/pm-imx6.c:570:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem * @@
arch/arm/mach-imx/pm-imx6.c:570:36: sparse: expected void const *
arch/arm/mach-imx/pm-imx6.c:570:36: sparse: got void [noderef] __iomem *
arch/arm/mach-imx/pm-imx6.c:570:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/arm/mach-imx/pm-imx6.c:570:36: sparse: expected void *
arch/arm/mach-imx/pm-imx6.c:570:36: sparse: got void [noderef] __iomem *

vim +360 arch/arm/mach-imx/pm-imx5.c

1579c7b9fe0105 Martin Fuzzey 2015-05-12 322
1579c7b9fe0105 Martin Fuzzey 2015-05-12 323 static int __init imx5_suspend_init(const struct imx5_pm_data *soc_data)
1579c7b9fe0105 Martin Fuzzey 2015-05-12 324 {
1579c7b9fe0105 Martin Fuzzey 2015-05-12 325 struct imx5_cpu_suspend_info *suspend_info;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 326 int ret;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 327 /* Need this to avoid compile error due to const typeof in fncpy.h */
1579c7b9fe0105 Martin Fuzzey 2015-05-12 328 void (*suspend_asm)(void __iomem *) = soc_data->suspend_asm;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 329
1579c7b9fe0105 Martin Fuzzey 2015-05-12 330 if (!suspend_asm)
1579c7b9fe0105 Martin Fuzzey 2015-05-12 331 return 0;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 332
1579c7b9fe0105 Martin Fuzzey 2015-05-12 333 if (!soc_data->suspend_asm_sz || !*soc_data->suspend_asm_sz)
1579c7b9fe0105 Martin Fuzzey 2015-05-12 334 return -EINVAL;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 335
1579c7b9fe0105 Martin Fuzzey 2015-05-12 336 ret = imx_suspend_alloc_ocram(
1579c7b9fe0105 Martin Fuzzey 2015-05-12 337 *soc_data->suspend_asm_sz + sizeof(*suspend_info),
1579c7b9fe0105 Martin Fuzzey 2015-05-12 338 &suspend_ocram_base, NULL);
1579c7b9fe0105 Martin Fuzzey 2015-05-12 339 if (ret)
1579c7b9fe0105 Martin Fuzzey 2015-05-12 340 return ret;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 341
1579c7b9fe0105 Martin Fuzzey 2015-05-12 342 suspend_info = suspend_ocram_base;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 343
1579c7b9fe0105 Martin Fuzzey 2015-05-12 344 suspend_info->io_count = soc_data->suspend_io_count;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 345 memcpy(suspend_info->io_state, soc_data->suspend_io_config,
1579c7b9fe0105 Martin Fuzzey 2015-05-12 346 sizeof(*suspend_info->io_state) * soc_data->suspend_io_count);
1579c7b9fe0105 Martin Fuzzey 2015-05-12 347
1579c7b9fe0105 Martin Fuzzey 2015-05-12 348 suspend_info->m4if_base = ioremap(soc_data->m4if_addr, SZ_16K);
1579c7b9fe0105 Martin Fuzzey 2015-05-12 349 if (!suspend_info->m4if_base) {
1579c7b9fe0105 Martin Fuzzey 2015-05-12 350 ret = -ENOMEM;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 351 goto failed_map_m4if;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 352 }
1579c7b9fe0105 Martin Fuzzey 2015-05-12 353
1579c7b9fe0105 Martin Fuzzey 2015-05-12 354 suspend_info->iomuxc_base = ioremap(soc_data->iomuxc_addr, SZ_16K);
1579c7b9fe0105 Martin Fuzzey 2015-05-12 355 if (!suspend_info->iomuxc_base) {
1579c7b9fe0105 Martin Fuzzey 2015-05-12 356 ret = -ENOMEM;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 357 goto failed_map_iomuxc;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 358 }
1579c7b9fe0105 Martin Fuzzey 2015-05-12 359
1579c7b9fe0105 Martin Fuzzey 2015-05-12 @360 imx5_suspend_in_ocram_fn = fncpy(
1579c7b9fe0105 Martin Fuzzey 2015-05-12 361 suspend_ocram_base + sizeof(*suspend_info),
1579c7b9fe0105 Martin Fuzzey 2015-05-12 362 suspend_asm,
1579c7b9fe0105 Martin Fuzzey 2015-05-12 363 *soc_data->suspend_asm_sz);
1579c7b9fe0105 Martin Fuzzey 2015-05-12 364
1579c7b9fe0105 Martin Fuzzey 2015-05-12 365 return 0;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 366
1579c7b9fe0105 Martin Fuzzey 2015-05-12 367 failed_map_iomuxc:
1579c7b9fe0105 Martin Fuzzey 2015-05-12 368 iounmap(suspend_info->m4if_base);
1579c7b9fe0105 Martin Fuzzey 2015-05-12 369
1579c7b9fe0105 Martin Fuzzey 2015-05-12 370 failed_map_m4if:
1579c7b9fe0105 Martin Fuzzey 2015-05-12 371 return ret;
1579c7b9fe0105 Martin Fuzzey 2015-05-12 372 }
1579c7b9fe0105 Martin Fuzzey 2015-05-12 373

:::::: The code at line 360 was first introduced by commit
:::::: 1579c7b9fe0105a523440ec13b0c59da53c880e3 ARM: imx53: Set DDR pins to high impedance when in suspend to RAM.

:::::: TO: Martin Fuzzey <mfuzzey@xxxxxxxxxxx>
:::::: CC: Shawn Guo <shawn.guo@xxxxxxxxxx>

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

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