arch/arm/mach-imx/pm-imx6.c:513:9: sparse: sparse: incorrect type in argument 1 (different address spaces)

From: kernel test robot
Date: Sun Aug 14 2022 - 07:37:04 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: aea23e7c464bfdec04b52cf61edb62030e9e0d0a
commit: 28e77cc1c0686621a4d416f599cee5ab369daa0a fortify: Detect struct member overflows in memset() at compile-time
date: 6 months ago
config: arm-randconfig-s031-20220810 (https://download.01.org/0day-ci/archive/20220814/202208141937.OgkglzhI-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=28e77cc1c0686621a4d416f599cee5ab369daa0a
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 28e77cc1c0686621a4d416f599cee5ab369daa0a
# 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-imx6.c:373:24: sparse: sparse: cast removes address space '__iomem' of expression
>> arch/arm/mach-imx/pm-imx6.c:513:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *static [assigned] [toplevel] suspend_ocram_base @@
arch/arm/mach-imx/pm-imx6.c:513:9: sparse: expected void const *
arch/arm/mach-imx/pm-imx6.c:513:9: sparse: got void [noderef] __iomem *static [assigned] [toplevel] suspend_ocram_base
>> arch/arm/mach-imx/pm-imx6.c:513:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *static [assigned] [toplevel] suspend_ocram_base @@
arch/arm/mach-imx/pm-imx6.c:513:9: sparse: expected void const *
arch/arm/mach-imx/pm-imx6.c:513:9: sparse: got void [noderef] __iomem *static [assigned] [toplevel] suspend_ocram_base
arch/arm/mach-imx/pm-imx6.c:513:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem *static [assigned] [toplevel] suspend_ocram_base @@
arch/arm/mach-imx/pm-imx6.c:513:9: sparse: expected void *
arch/arm/mach-imx/pm-imx6.c:513:9: 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 +513 arch/arm/mach-imx/pm-imx6.c

df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 462
afc51f4643063c arch/arm/mach-imx/pm-imx6q.c Shawn Guo 2014-02-26 463 static int __init imx6q_suspend_init(const struct imx6_pm_socdata *socdata)
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 464 {
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 465 phys_addr_t ocram_pbase;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 466 struct device_node *node;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 467 struct platform_device *pdev;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 468 struct imx6_cpu_pm_info *pm_info;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 469 struct gen_pool *ocram_pool;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 470 unsigned long ocram_base;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 471 int i, ret = 0;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 472 const u32 *mmdc_offset_array;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 473
afc51f4643063c arch/arm/mach-imx/pm-imx6q.c Shawn Guo 2014-02-26 474 suspend_set_ops(&imx6q_pm_ops);
afc51f4643063c arch/arm/mach-imx/pm-imx6q.c Shawn Guo 2014-02-26 475
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 476 if (!socdata) {
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 477 pr_warn("%s: invalid argument!\n", __func__);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 478 return -EINVAL;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 479 }
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 480
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 481 node = of_find_compatible_node(NULL, NULL, "mmio-sram");
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 482 if (!node) {
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 483 pr_warn("%s: failed to find ocram node!\n", __func__);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 484 return -ENODEV;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 485 }
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 486
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 487 pdev = of_find_device_by_node(node);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 488 if (!pdev) {
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 489 pr_warn("%s: failed to find ocram device!\n", __func__);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 490 ret = -ENODEV;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 491 goto put_node;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 492 }
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 493
73858173593c31 arch/arm/mach-imx/pm-imx6.c Vladimir Zapolskiy 2015-09-04 494 ocram_pool = gen_pool_get(&pdev->dev, NULL);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 495 if (!ocram_pool) {
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 496 pr_warn("%s: ocram pool unavailable!\n", __func__);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 497 ret = -ENODEV;
4845446036fc9c arch/arm/mach-imx/pm-imx6.c yu kuai 2020-06-04 498 goto put_device;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 499 }
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 500
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 501 ocram_base = gen_pool_alloc(ocram_pool, MX6Q_SUSPEND_OCRAM_SIZE);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 502 if (!ocram_base) {
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 503 pr_warn("%s: unable to alloc ocram!\n", __func__);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 504 ret = -ENOMEM;
4845446036fc9c arch/arm/mach-imx/pm-imx6.c yu kuai 2020-06-04 505 goto put_device;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 506 }
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 507
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 508 ocram_pbase = gen_pool_virt_to_phys(ocram_pool, ocram_base);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 509
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 510 suspend_ocram_base = __arm_ioremap_exec(ocram_pbase,
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 511 MX6Q_SUSPEND_OCRAM_SIZE, false);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 512
ee4a5f838c8437 arch/arm/mach-imx/pm-imx6.c Anson Huang 2015-08-05 @513 memset(suspend_ocram_base, 0, sizeof(*pm_info));
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 514 pm_info = suspend_ocram_base;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 515 pm_info->pbase = ocram_pbase;
64fc2a947a9873 arch/arm/mach-imx/pm-imx6.c Florian Fainelli 2017-01-15 516 pm_info->resume_addr = __pa_symbol(v7_cpu_resume);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 517 pm_info->pm_info_size = sizeof(*pm_info);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 518
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 519 /*
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 520 * ccm physical address is not used by asm code currently,
f0b478b5d42ee9 arch/arm/mach-imx/pm-imx6.c Shawn Guo 2015-04-25 521 * so get ccm virtual address directly.
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 522 */
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 523 pm_info->ccm_base.vbase = ccm_base;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 524
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 525 ret = imx6_pm_get_base(&pm_info->mmdc_base, socdata->mmdc_compat);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 526 if (ret) {
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 527 pr_warn("%s: failed to get mmdc base %d!\n", __func__, ret);
4845446036fc9c arch/arm/mach-imx/pm-imx6.c yu kuai 2020-06-04 528 goto put_device;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 529 }
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 530
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 531 ret = imx6_pm_get_base(&pm_info->src_base, socdata->src_compat);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 532 if (ret) {
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 533 pr_warn("%s: failed to get src base %d!\n", __func__, ret);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 534 goto src_map_failed;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 535 }
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 536
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 537 ret = imx6_pm_get_base(&pm_info->iomuxc_base, socdata->iomuxc_compat);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 538 if (ret) {
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 539 pr_warn("%s: failed to get iomuxc base %d!\n", __func__, ret);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 540 goto iomuxc_map_failed;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 541 }
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 542
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 543 ret = imx6_pm_get_base(&pm_info->gpc_base, socdata->gpc_compat);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 544 if (ret) {
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 545 pr_warn("%s: failed to get gpc base %d!\n", __func__, ret);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 546 goto gpc_map_failed;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 547 }
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 548
ee4a5f838c8437 arch/arm/mach-imx/pm-imx6.c Anson Huang 2015-08-05 549 if (socdata->pl310_compat) {
ee4a5f838c8437 arch/arm/mach-imx/pm-imx6.c Anson Huang 2015-08-05 550 ret = imx6_pm_get_base(&pm_info->l2_base, socdata->pl310_compat);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 551 if (ret) {
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 552 pr_warn("%s: failed to get pl310-cache base %d!\n",
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 553 __func__, ret);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 554 goto pl310_cache_map_failed;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 555 }
ee4a5f838c8437 arch/arm/mach-imx/pm-imx6.c Anson Huang 2015-08-05 556 }
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 557
ec336b28413661 arch/arm/mach-imx/pm-imx6.c Anson Huang 2014-09-17 558 pm_info->ddr_type = imx_mmdc_get_ddr_type();
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 559 pm_info->mmdc_io_num = socdata->mmdc_io_num;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 560 mmdc_offset_array = socdata->mmdc_io_offset;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 561
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 562 for (i = 0; i < pm_info->mmdc_io_num; i++) {
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 563 pm_info->mmdc_io_val[i][0] =
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 564 mmdc_offset_array[i];
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 565 pm_info->mmdc_io_val[i][1] =
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 566 readl_relaxed(pm_info->iomuxc_base.vbase +
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 567 mmdc_offset_array[i]);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 568 }
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 569
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 570 imx6_suspend_in_ocram_fn = fncpy(
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 571 suspend_ocram_base + sizeof(*pm_info),
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 572 &imx6_suspend,
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 573 MX6Q_SUSPEND_OCRAM_SIZE - sizeof(*pm_info));
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 574
4aede550f10415 arch/arm/mach-imx/pm-imx6.c Russell King (Oracle 2021-09-21 575) __arm_iomem_set_ro(suspend_ocram_base, MX6Q_SUSPEND_OCRAM_SIZE);
4aede550f10415 arch/arm/mach-imx/pm-imx6.c Russell King (Oracle 2021-09-21 576)
4845446036fc9c arch/arm/mach-imx/pm-imx6.c yu kuai 2020-06-04 577 goto put_device;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 578
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 579 pl310_cache_map_failed:
cfefb762ad2963 arch/arm/mach-imx/pm-imx6.c Jean-Christophe Dubois 2015-12-26 580 iounmap(pm_info->gpc_base.vbase);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 581 gpc_map_failed:
cfefb762ad2963 arch/arm/mach-imx/pm-imx6.c Jean-Christophe Dubois 2015-12-26 582 iounmap(pm_info->iomuxc_base.vbase);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 583 iomuxc_map_failed:
cfefb762ad2963 arch/arm/mach-imx/pm-imx6.c Jean-Christophe Dubois 2015-12-26 584 iounmap(pm_info->src_base.vbase);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 585 src_map_failed:
cfefb762ad2963 arch/arm/mach-imx/pm-imx6.c Jean-Christophe Dubois 2015-12-26 586 iounmap(pm_info->mmdc_base.vbase);
4845446036fc9c arch/arm/mach-imx/pm-imx6.c yu kuai 2020-06-04 587 put_device:
4845446036fc9c arch/arm/mach-imx/pm-imx6.c yu kuai 2020-06-04 588 put_device(&pdev->dev);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 589 put_node:
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 590 of_node_put(node);
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 591
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 592 return ret;
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 593 }
df595746fa69db arch/arm/mach-imx/pm-imx6q.c Anson Huang 2014-01-17 594

:::::: The code at line 513 was first introduced by commit
:::::: ee4a5f838c8437484c9387e9ef9256332f07f3dd ARM: imx: add suspend/resume support for i.mx6ul

:::::: TO: Anson Huang <b20788@xxxxxxxxxxxxx>
:::::: CC: Shawn Guo <shawnguo@xxxxxxxxxx>

--
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