Defined in 4 files as a macro:

• drivers/block/dtc2278.c, line 676 (as a macro)
• include/asm-alpha/io.h, line 186 (as a macro)
• include/asm-i386/io.h, line 76 (as a macro)
• include/asm-mips/io.h, line 84 (as a macro)

Referenced in 3 files:

• arch/i386/math-emu/reg_constant.c, line 484
• drivers/net/ewrk3.c, line 1249
• drivers/net/hp100.c, line 676