Defined in 4 files as a macro:

• drivers/char/rio/hosthw.h, line 119 (as a macro)
• include/asm-mips64/r4kcacheops.h, line 83 (as a macro)
• include/asm-mips64/regdef.h, line 88 (as a macro)
• include/asm-mips64/sgi/io.h, line 112 (as a macro)

Referenced in 2 files:

• drivers/acpi/include/acpi.h, line 3342
• net/bridge/br_notify.c, line 3023