Defined in 2 files as a prototype:

• arch/arm/include/asm/io.h, line 374 (as a prototype)
• arch/x86/include/asm/io.h, line 178 (as a prototype)

Defined in 9 files as a macro:

• arch/arm/include/asm/io.h, line 375 (as a macro)
• arch/arm64/include/asm/io.h, line 165 (as a macro)
• arch/ia64/include/asm/io.h, line 254 (as a macro)
• arch/loongarch/include/asm/io.h, line 60 (as a macro)
• arch/mips/include/asm/io.h, line 189 (as a macro)
• arch/powerpc/include/asm/io.h, line 874 (as a macro)
• arch/sh/include/asm/io.h, line 262 (as a macro)
• arch/x86/include/asm/io.h, line 179 (as a macro)
• arch/xtensa/include/asm/io.h, line 53 (as a macro)

Defined in 8 files as a function:

• arch/arm/mm/ioremap.c, line 374 (as a function)
• arch/arm/mm/nommu.c, line 221 (as a function)
• arch/arm64/include/asm/io.h, line 166 (as a function)
• arch/ia64/include/asm/io.h, line 249 (as a function)
• arch/sh/include/asm/io.h, line 257 (as a function)
• arch/x86/mm/ioremap.c, line 429 (as a function)
• arch/xtensa/include/asm/io.h, line 44 (as a function)
• kernel/iomem.c, line 9 (as a function)

Referenced in 25 files:

• arch/arm/mm/ioremap.c, line 379
• arch/arm/mm/nommu.c, line 226
• arch/arm64/include/asm/dmi.h
  • line 25
  • line 27
• arch/arm64/kernel/smp_spin_table.c, line 80
• arch/loongarch/kernel/acpi.c, line 57
• arch/mips/include/asm/dmi.h
  • line 8
  • line 10
• arch/powerpc/kernel/crash_dump.c, line 87
• arch/powerpc/platforms/pasemi/dma_lib.c, line 567
• arch/powerpc/platforms/powernv/vas-window.c, line 92
• arch/x86/kernel/crash_dump_64.c, line 27
• arch/x86/mm/ioremap.c, line 434
• arch/x86/platform/efi/efi_32.c, line 53
• drivers/acpi/apei/bert.c, line 156
• drivers/acpi/apei/einj.c
  • line 309
  • line 336
• drivers/acpi/apei/erst.c, line 1220
• drivers/firmware/meson/meson_sm.c, line 87
• drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c, line 1755
• drivers/gpu/drm/hyperv/hyperv_drm_drv.c, line 94
• drivers/gpu/drm/ttm/ttm_bo_util.c
  • line 301
  • line 424
• drivers/mtd/devices/bcm47xxsflash.c, line 325
• drivers/mtd/maps/pxa2xx-flash.c, line 70
• drivers/soc/fsl/qbman/qman_ccsr.c, line 459
• drivers/video/fbdev/hyperv_fb.c, line 1059
• include/acpi/acpi_io.h, line 13
• kernel/iomem.c
  • line 7
  • line 18