Defined in 2 files as a prototype:

• arch/alpha/include/asm/io.h, line 265 (as a prototype)
• include/asm-generic/logic_io.h, line 64 (as a prototype)

Defined in 13 files as a macro:

• arch/alpha/include/asm/io.h, line 273 (as a macro)
• arch/arm64/include/asm/io.h, line 46 (as a macro)
• arch/mips/include/asm/io.h, line 502 (as a macro)
• arch/riscv/include/asm/mmio.h, line 38 (as a macro)
• arch/s390/include/asm/io.h, line 74 (as a macro)
• arch/sh/include/asm/io.h, line 31 (as a macro)
• arch/sparc/include/asm/io_64.h, line 93 (as a macro)
• arch/x86/include/asm/io.h, line 104 (as a macro)
• drivers/mmc/host/dw_mmc.h, line 498 (as a macro)
• include/asm-generic/io.h, line 175 (as a macro)
• include/asm-generic/logic_io.h, line 63 (as a macro)
• tools/arch/x86/include/asm/io.h, line 66 (as a macro)
• tools/include/asm-generic/io.h, line 137 (as a macro)

Defined in 8 files as a function:

• arch/alpha/include/asm/io.h, line 505 (as a function)
• arch/alpha/kernel/io.c, line 158 (as a function)
• arch/arm64/include/asm/io.h, line 47 (as a function)
• arch/riscv/include/asm/mmio.h, line 39 (as a function)
• arch/sparc/include/asm/io_64.h, line 94 (as a function)
• include/asm-generic/io.h, line 176 (as a function)
• tools/include/asm-generic/io.h, line 138 (as a function)
• tools/testing/selftests/kvm/include/arm64/processor.h, line 229 (as a function)

Referenced in 53 files:

• arch/alpha/include/asm/io.h, line 537
• arch/alpha/kernel/io.c
  • line 170
  • line 229
  • line 547
  • line 620
• arch/arm64/include/asm/io.h
  • line 246
  • line 312
• arch/mips/include/asm/io.h, line 374
• arch/mips/include/asm/mips-cps.h, line 57
• arch/mips/include/asm/mips-gic.h
  • line 128
  • line 147
• arch/mips/include/asm/sn/addrs.h
  • line 263
  • line 265
• arch/mips/include/asm/video.h, line 31
• arch/mips/kernel/cevt-bcm1480.c
  • line 39
  • line 40
  • line 41
  • line 53
  • line 65
  • line 66
  • line 67
  • line 129
• arch/mips/kernel/cevt-sb1250.c
  • line 36
  • line 49
  • line 50
  • line 51
  • line 64
  • line 65
  • line 66
  • line 129
• arch/mips/kernel/csrc-sb1250.c
  • line 58
  • line 61
  • line 64
• arch/mips/mm/page.c
  • line 630
  • line 657
• arch/mips/sgi-ip27/ip27-irq.c
  • line 58
  • line 59
  • line 68
  • line 69
• arch/mips/sibyte/bcm1480/irq.c
  • line 168
  • line 172
  • line 248
  • line 257
  • line 271
  • line 278
  • line 280
  • line 288
  • line 292
• arch/mips/sibyte/bcm1480/smp.c
  • line 69
  • line 169
• arch/mips/sibyte/common/sb_tbprof.c
  • line 152
  • line 161
  • line 165
  • line 171
  • line 178
  • line 180
  • line 185
  • line 199
  • line 221
  • line 232
  • line 274
  • line 294
  • line 298
  • line 304
  • line 305
  • line 306
  • line 307
  • line 309
  • line 310
  • line 311
  • line 312
  • line 314
  • line 315
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  • line 321
  • line 322
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  • line 332
  • line 335
  • line 338
  • line 339
  • line 340
  • line 341
  • line 342
  • line 343
  • line 347
  • line 350
• arch/mips/sibyte/sb1250/irq.c
  • line 155
  • line 230
  • line 234
  • line 247
  • line 250
  • line 255
  • line 257
  • line 262
  • line 263
• arch/mips/sibyte/sb1250/smp.c, line 58
• arch/mips/sibyte/swarm/rtc_m41t81.c
  • line 88
  • line 89
  • line 95
  • line 103
  • line 115
  • line 116
  • line 117
  • line 125
  • line 130
• arch/mips/sibyte/swarm/rtc_xicor1241.c
  • line 63
  • line 64
  • line 65
  • line 71
  • line 79
  • line 91
  • line 92
  • line 93
  • line 101
• arch/parisc/kernel/perf.c
  • line 802
  • line 807
• arch/parisc/lib/iomap.c, line 227
• arch/powerpc/include/asm/io.h, line 967
• arch/powerpc/kvm/book3s_xive.c
  • line 99
  • line 123
  • line 592
  • line 652
  • line 701
• arch/riscv/include/asm/mmio.h, line 98
• arch/sh/include/asm/io.h, line 46
• arch/sh/kernel/io_trapped.c, line 214
• arch/sparc/include/asm/io_64.h, line 341
• drivers/auxdisplay/img-ascii-lcd.c, line 61
• drivers/dma/txx9dmac.c, line 38
• drivers/i2c/busses/i2c-octeon-core.h
  • line 151
  • line 168
  • line 196
• drivers/infiniband/hw/mthca/mthca_doorbell.h
  • line 56
  • line 62
• drivers/misc/genwqe/card_utils.c, line 57
• drivers/mmc/host/dw_mmc.h, line 464
• drivers/net/ethernet/broadcom/sb1250-mac.c
  • line 360
  • line 363
  • line 364
  • line 391
  • line 399
  • line 400
  • line 401
  • line 453
  • line 458
  • line 460
  • line 471
  • line 473
  • line 485
  • line 487
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  • line 532
  • line 577
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  • line 700
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  • line 864
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  • line 1024
  • line 1028
  • line 1068
  • line 1400
  • line 1406
  • line 1449
  • line 1459
  • line 1469
  • line 1476
  • line 1488
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  • line 2072
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  • line 2127
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  • line 2512
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• drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c
  • line 1033
  • line 1039
• drivers/net/ethernet/sfc/falcon/io.h
  • line 70
  • line 124
• drivers/net/ethernet/sfc/io.h, line 63
• drivers/net/ethernet/sfc/siena/io.h
  • line 87
  • line 141
• drivers/scsi/lpfc/lpfc_sli.c
  • line 293
  • line 295
• drivers/scsi/mpt3sas/mpt3sas_base.c, line 4131
• drivers/tty/serial/8250/8250_dw.c, line 331
• drivers/tty/serial/sb1250-duart.c
  • line 134
  • line 141
• drivers/watchdog/sb_wdog.c, line 74
• include/asm-generic/io.h
  • line 174
  • line 308
  • line 423
  • line 554
• include/asm-generic/video.h
  • line 103
  • line 106
• include/linux/mlx4/doorbell.h, line 58
• include/linux/mlx5/doorbell.h, line 53
• include/linux/mtd/map.h, line 423
• lib/iomap_copy.c, line 72
• lib/iomem_copy.c
  • line 35
  • line 116
• tools/include/asm-generic/io.h
  • line 136
  • line 251
  • line 349
  • line 476
• tools/testing/selftests/kvm/include/arm64/processor.h, line 243