I believe the file " drivers/acpi/osl.c " is part of the core linux, not ACPICA. -----Original Message----- From: kernel test robot <lkp@xxxxxxxxx> Sent: Saturday, September 05, 2020 11:34 AM To: Rafael J. Wysocki <rjw@xxxxxxxxxxxxx> Cc: kbuild-all@xxxxxxxxxxxx; linux-acpi@xxxxxxxxxxxxxxx; devel@xxxxxxxxxx; linux-pm@xxxxxxxxxxxxxxx Subject: [Devel] [pm:acpica-osl 6/6] drivers/acpi/osl.c:1748:46: sparse: sparse: incorrect type in assignment (different address spaces) tree: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git acpica-osl head: c32c3c4079f8a62616413abbead45b6622fb7602 commit: c32c3c4079f8a62616413abbead45b6622fb7602 [6/6] ACPI: OSL: Make ACPICA use logical addresses of GPE blocks config: x86_64-randconfig-s022-20200904 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-191-g10164920-dirty git checkout c32c3c4079f8a62616413abbead45b6622fb7602 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) drivers/acpi/osl.c:376:17: sparse: sparse: cast removes address space '__iomem' of expression >> drivers/acpi/osl.c:1748:46: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *extern [addressable] [toplevel] acpi_gbl_xgpe0_block_logical_address @@ got void [noderef] __iomem * @@ >> drivers/acpi/osl.c:1748:46: sparse: expected void *extern [addressable] [toplevel] acpi_gbl_xgpe0_block_logical_address drivers/acpi/osl.c:1748:46: sparse: got void [noderef] __iomem * >> drivers/acpi/osl.c:1750:46: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *extern [addressable] [toplevel] acpi_gbl_xgpe1_block_logical_address @@ got void [noderef] __iomem * @@ >> drivers/acpi/osl.c:1750:46: sparse: expected void *extern [addressable] [toplevel] acpi_gbl_xgpe1_block_logical_address drivers/acpi/osl.c:1750:46: sparse: got void [noderef] __iomem * drivers/acpi/osl.c:1760:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *rv @@ got void [noderef] __iomem * @@ drivers/acpi/osl.c:1760:20: sparse: expected void *rv drivers/acpi/osl.c:1760:20: sparse: got void [noderef] __iomem * drivers/acpi/osl.c:708:1: sparse: sparse: context imbalance in 'acpi_os_read_memory' - wrong count at exit drivers/acpi/osl.c:741:1: sparse: sparse: context imbalance in 'acpi_os_write_memory' - wrong count at exit # https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commit/?id=c32c3c4079f8a62616413abbead45b6622fb7602 git remote add pm https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git git fetch --no-tags pm acpica-osl git checkout c32c3c4079f8a62616413abbead45b6622fb7602 vim +1748 drivers/acpi/osl.c 1742 1743 acpi_status __init acpi_os_initialize(void) 1744 { 1745 acpi_os_map_generic_address(&acpi_gbl_FADT.xpm1a_event_block); 1746 acpi_os_map_generic_address(&acpi_gbl_FADT.xpm1b_event_block); 1747 > 1748 acpi_gbl_xgpe0_block_logical_address = 1749 acpi_os_map_generic_address(&acpi_gbl_FADT.xgpe0_block); > 1750 acpi_gbl_xgpe1_block_logical_address = 1751 acpi_os_map_generic_address(&acpi_gbl_FADT.xgpe1_block); 1752 1753 if (acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) { 1754 /* 1755 * Use acpi_os_map_generic_address to pre-map the reset 1756 * register if it's in system memory. 1757 */ 1758 void *rv; 1759 1760 rv = acpi_os_map_generic_address(&acpi_gbl_FADT.reset_register); 1761 pr_debug(PREFIX "%s: map reset_reg %s\n", __func__, 1762 rv ? "successful" : "failed"); 1763 } 1764 acpi_os_initialized = true; 1765 1766 return AE_OK; 1767 } 1768 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
