Defined in 2 files as a prototype:

• arch/alpha/include/asm/io.h, line 277 (as a prototype)
• include/asm-generic/logic_io.h, line 54 (as a prototype)

Defined in 56 files as a macro:

• arch/alpha/include/asm/io.h, line 285 (as a macro)
• arch/arc/include/asm/io.h, line 127 (as a macro)
• arch/arm/include/asm/io.h, line 85 (as a macro)
• arch/arm64/include/asm/io.h, line 24 (as a macro)
• arch/hexagon/include/asm/io.h, line 153 (as a macro)
• arch/m68k/include/asm/io_no.h, line 23 (as a macro)
• arch/m68k/include/asm/raw_io.h, line 46 (as a macro)
• arch/powerpc/include/asm/io.h, line 320 (as a macro)
• arch/riscv/include/asm/mmio.h, line 18 (as a macro)
• arch/riscv/kernel/head.S, line 179 (as a macro)
• arch/s390/include/asm/io.h, line 68 (as a macro)
• arch/sh/include/asm/io.h, line 29 (as a macro)
• arch/sparc/include/asm/io_64.h, line 69 (as a macro)
• arch/x86/include/asm/io.h, line 91 (as a macro)
• drivers/clk/qcom/lpasscc-sc7280.c, line 461 (as a macro)
• drivers/gpu/drm/amd/display/dc/dcn32/dcn32_optc.h, line 180 (as a macro)
• drivers/net/ethernet/intel/i40e/i40e_ddp.c, line 85 (as a macro)
• drivers/usb/typec/ucsi/ucsi.c, line 524 (as a macro)
• fs/btrfs/disk-io.c, line 201 (as a macro)
• fs/btrfs/file-item.c, line 428 (as a macro)
• fs/btrfs/scrub.c, line 436 (as a macro)
• include/asm-generic/io.h, line 147 (as a macro)
• include/asm-generic/logic_io.h, line 53 (as a macro)
• include/linux/efi.h, line 549 (as a macro)
• include/linux/thermal.h, line 178 (as a macro)
• net/core/dev.c, line 316 (as a macro)
• sound/soc/fsl/fsl_sai.c, line 96 (as a macro)
• sound/soc/sof/mediatek/mt8195/Makefile, line 291 (as a macro)
• sound/soc/sof/mediatek/mt8195/Makefile, line 292 (as a macro)
• sound/soc/sof/mediatek/mt8195/mt8195-clk.c, line 807 (as a macro)
• sound/soc/sof/mediatek/mt8195/mt8195-clk.c, line 808 (as a macro)
• sound/soc/sof/mediatek/mt8195/mt8195-loader.c, line 529 (as a macro)
• sound/soc/sof/mediatek/mt8195/mt8195-loader.c, line 530 (as a macro)
• sound/soc/sof/mediatek/mt8195/mt8195.c, line 123 (as a macro)
• sound/soc/sof/mediatek/mt8195/mt8195.c, line 124 (as a macro)
• sound/soc/sof/mediatek/mt8195/mt8195.c, line 318 (as a macro)
• sound/soc/sof/mediatek/mt8195/mt8195.c, line 321 (as a macro)
• tools/build/Makefile.feature, line 123 (as a macro)
• tools/build/Makefile.feature, line 318 (as a macro)
• tools/memory-model/litmus-tests/WRC+pooncerelease+fencermbonceonce+Once.litmus, line 162 (as a macro)
• tools/perf/pmu-events/arch/arm64/arm/cortex-a65-e1/ifu.json, line 171 (as a macro)
• tools/perf/tests/shell/test_brstack.sh, line 223 (as a macro)
• tools/perf/tests/shell/test_data_symbol.sh, line 445 (as a macro)
• tools/perf/tests/shell/test_java_symbol.sh, line 472 (as a macro)
• tools/perf/tests/sigtrap.c, line 121 (as a macro)
• tools/perf/tests/sigtrap.c, line 316 (as a macro)
• tools/perf/trace/beauty/madvise_behavior.sh, line 172 (as a macro)
• tools/perf/util/pfm.c, line 222 (as a macro)
• tools/perf/util/pfm.h, line 444 (as a macro)
• tools/perf/util/pmu-hybrid.c, line 471 (as a macro)
• tools/testing/selftests/filesystems/binderfs/config, line 171 (as a macro)
• tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc, line 176 (as a macro)
• tools/testing/selftests/net/forwarding/bridge_vlan_unaware.sh, line 180 (as a macro)
• tools/testing/selftests/nsfs/pidns.c, line 180 (as a macro)
• tools/testing/selftests/powerpc/nx-gzip/include/copy-paste.h, line 180 (as a macro)
• tools/virtio/vhost_test/Makefile, line 179 (as a macro)

Defined in 10 files as a function:

• arch/alpha/include/asm/io.h, line 453 (as a function)
• arch/alpha/kernel/io.c, line 143 (as a function)
• arch/arc/include/asm/io.h, line 128 (as a function)
• arch/arm/boot/compressed/misc-ep93xx.h, line 13 (as a function)
• arch/arm/include/asm/io.h, line 86 (as a function)
• arch/arm64/include/asm/io.h, line 25 (as a function)
• arch/powerpc/include/asm/io.h, line 316 (as a function)
• arch/riscv/include/asm/mmio.h, line 19 (as a function)
• arch/sparc/include/asm/io_64.h, line 70 (as a function)
• include/asm-generic/io.h, line 148 (as a function)

Referenced in 117 files:

• arch/alpha/include/asm/io.h, line 484
• arch/alpha/kernel/io.c, 5 times
• arch/arc/include/asm/io.h, line 229
• arch/arm/boot/compressed/misc-ep93xx.h, 2 times
• arch/arm/include/asm/hardware/ioc.h, line 20
• arch/arm/include/asm/hardware/iomd.h, line 22
• arch/arm/include/asm/io.h, 2 times
• arch/arm/mach-davinci/board-dm365-evm.c, 4 times
• arch/arm/mach-ep93xx/ts72xx.c, 4 times
• arch/arm/mach-iop32x/glantank.c, line 181
• arch/arm/mach-omap1/board-fsample.c, 3 times
• arch/arm/mach-omap1/board-innovator.c, 7 times
• arch/arm/mach-omap1/board-perseus2.c, 2 times
• arch/arm/mach-omap1/fpga.c, 9 times
• arch/arm/mach-omap1/io.c, line 155
• arch/arm/mach-omap1/serial.c, line 42
• arch/arm/mach-orion5x/pci.c, line 312
• arch/arm/mach-s3c/bast-irq.c, 3 times
• arch/arm/mach-s3c/mach-anubis.c, line 203
• arch/arm/mach-s3c/mach-bast.c, line 279
• arch/arm/mach-s3c/mach-osiris.c, 4 times
• arch/arm/mach-s3c/simtec-audio.c, line 37
• arch/arm/mach-s3c/simtec-nor.c, line 42
• arch/arm64/kernel/io.c, 4 times
• arch/csky/kernel/io.c, 4 times
• arch/hexagon/include/asm/io.h, line 169
• arch/loongarch/kernel/io.c, 4 times
• arch/m68k/coldfire/clk.c, 4 times
• arch/m68k/coldfire/dma_timer.c, 2 times
• arch/m68k/coldfire/intc-2.c, 4 times
• arch/m68k/coldfire/intc-simr.c, 15 times
• arch/m68k/coldfire/intc.c, line 109
• arch/m68k/coldfire/m528x.c, line 54
• arch/m68k/coldfire/m5441x.c, 4 times
• arch/m68k/coldfire/m54xx.c, 4 times
• arch/m68k/coldfire/pci.c, line 109
• arch/m68k/coldfire/reset.c, 2 times
• arch/m68k/coldfire/stmark2.c, 6 times
• arch/m68k/coldfire/timers.c, 2 times
• arch/m68k/include/asm/io_no.h, line 104
• arch/m68k/include/asm/mcfgpio.h, line 107
• arch/microblaze/include/asm/io.h, line 55
• arch/mips/alchemy/devboards/db1200.c, line 205
• arch/mips/alchemy/devboards/db1300.c, line 170
• arch/mips/alchemy/devboards/db1550.c, line 148
• arch/mips/include/asm/io.h, line 408
• arch/mips/include/asm/mach-lantiq/lantiq.h, line 19
• arch/mips/pci/ops-tx4927.c, line 118
• arch/parisc/lib/iomap.c, line 258
• arch/powerpc/kvm/book3s_xive.c, 4 times
• arch/riscv/include/asm/mmio.h, line 91
• arch/sh/boards/board-magicpanelr2.c, 3 times
• arch/sh/boards/mach-hp6xx/pm.c, 7 times
• arch/sh/boards/mach-hp6xx/setup.c, 2 times
• arch/sh/boards/mach-landisk/gio.c, line 73
• arch/sh/boards/mach-landisk/irq.c, line 62
• arch/sh/boards/mach-landisk/psw.c, line 42
• arch/sh/boards/mach-landisk/setup.c, 2 times
• arch/sh/boards/mach-sh03/rtc.c, 20 times
• arch/sh/cchips/hd6446x/hd64461.c, 3 times
• arch/sh/include/asm/io.h, line 44
• arch/sh/include/cpu-sh2/cpu/watchdog.h, line 62
• arch/sh/include/cpu-sh3/cpu/dac.h, 4 times
• arch/sh/include/mach-common/mach/magicpanelr2.h, 2 times
• arch/sh/include/mach-ecovec24/mach/romimage.h, line 45
• arch/sh/include/mach-se/mach/mrshpc.h, 2 times
• arch/sh/kernel/cpu/adc.c, 2 times
• arch/sh/kernel/cpu/sh2/setup-sh7619.c, line 201
• arch/sh/kernel/cpu/sh2a/setup-sh7201.c, line 414
• arch/sh/kernel/cpu/sh2a/setup-sh7203.c, 2 times
• arch/sh/kernel/cpu/sh2a/setup-sh7206.c, 2 times
• arch/sh/kernel/cpu/sh3/serial-sh770x.c, line 28
• arch/sh/kernel/cpu/sh4a/setup-sh7724.c, 13 times
• arch/sh/kernel/io_trapped.c, line 205
• arch/sh/kernel/iomap.c, line 107
• arch/sparc/include/asm/io.h, line 18
• arch/sparc/include/asm/io_64.h, line 326
• arch/sparc/lib/PeeCeeI.c, line 19
• drivers/ata/pata_octeon_cf.c, 3 times
• drivers/bcma/host_soc.c, line 104
• drivers/cdrom/gdrom.c, 20 times
• drivers/input/keyboard/jornada680_kbd.c, 4 times
• drivers/input/touchscreen/hp680_ts_input.c, 3 times
• drivers/mfd/htc-pasic3.c, 3 times
• drivers/net/ethernet/cirrus/ep93xx_eth.c, line 180
• drivers/net/ethernet/freescale/fs_enet/mac-scc.c, line 47
• drivers/net/ethernet/myricom/myri10ge/myri10ge.c, line 2339
• drivers/parisc/lba_pci.c, line 131
• drivers/regulator/max77802-regulator.c, line 139
• drivers/rtc/rtc-rs5c313.c, 14 times
• drivers/scsi/zalon.c, 3 times
• drivers/sh/intc/access.c, 2 times
• drivers/sh/intc/chip.c, line 100
• drivers/ssb/host_soc.c, line 128
• drivers/ssb/pcmcia.c, line 390
• drivers/tty/serial/atmel_serial.c, line 224
• drivers/usb/gadget/udc/at91_udc.c, 6 times
• drivers/usb/gadget/udc/pxa27x_udc.h, line 187
• drivers/usb/musb/musb_core.c, 2 times
• drivers/video/fbdev/nvidia/nv_local.h, line 62
• drivers/video/fbdev/omap/lcd_inn1510.c, 2 times
• drivers/video/fbdev/omap2/omapfb/omapfb-main.c, 3 times
• drivers/video/fbdev/riva/riva_hw.h, line 78
• drivers/watchdog/max63xx_wdt.c, 3 times
• drivers/watchdog/sb_wdog.c, 7 times
• fs/9p/vfs_dir.c, 3 times
• fs/smb/server/smb_common.c, line 119
• include/asm-generic/io.h, 5 times
• include/linux/fb.h, line 565
• include/linux/mtd/map.h, line 414
• lib/iomap.c, line 340
• sound/soc/sof/mediatek/mt8195/mt8195.c, 6 times
• tools/build/Makefile.feature, 3 times
• tools/memory-model/scripts/judgelitmus.sh, line 519
• tools/perf/pmu-events/arch/arm64/freescale/imx8mn/sys/metrics.json, line 520
• tools/perf/tests/sigtrap.c, 3 times
• tools/testing/selftests/bpf/progs/test_unpriv_bpf_disabled.c, line 536