Defined in 3 files as a macro:

• arch/avr32/include/asm/io.h, line 173 (as a macro)
• arch/mips/include/asm/io.h, line 475 (as a macro)
• arch/sparc/include/asm/io.h, line 19 (as a macro)

Referenced in 4 files:

• arch/powerpc/include/asm/io-defs.h, line 12
• arch/powerpc/include/asm/io.h, line 787
• arch/powerpc/kernel/iomap.c, line 64
• drivers/usb/host/uhci-hcd.h, line 590