diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index afc3ecd..7dfe071 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -469,14 +469,14 @@
 __weak void reset_cpu(ulong addr)
 {
 	/* Do a hard reset through the chipset's reset control register */
-	outb(SYS_RST | RST_CPU, PORT_RESET);
+	outb(SYS_RST | RST_CPU, IO_PORT_RESET);
 	for (;;)
 		cpu_hlt();
 }
 
 void x86_full_reset(void)
 {
-	outb(FULL_RST | SYS_RST | RST_CPU, PORT_RESET);
+	outb(FULL_RST | SYS_RST | RST_CPU, IO_PORT_RESET);
 }
 
 int dcache_status(void)
diff --git a/arch/x86/cpu/intel_common/cpu.c b/arch/x86/cpu/intel_common/cpu.c
index 1210943..93e4505 100644
--- a/arch/x86/cpu/intel_common/cpu.c
+++ b/arch/x86/cpu/intel_common/cpu.c
@@ -102,8 +102,8 @@
 	setbits_le32(RCB_REG(SOFT_RESET_CTRL), 1);
 
 	/* Issue warm reset, will be "CPU only" due to soft reset data */
-	outb(0x0, PORT_RESET);
-	outb(SYS_RST | RST_CPU, PORT_RESET);
+	outb(0x0, IO_PORT_RESET);
+	outb(SYS_RST | RST_CPU, IO_PORT_RESET);
 	cpu_hlt();
 
 	/* Not reached */
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 7c77b90..cefc633 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -36,7 +36,7 @@
  *
  * The naming follows Intel's naming.
  */
-#define PORT_RESET		0xcf9
+#define IO_PORT_RESET		0xcf9
 
 enum {
 	SYS_RST		= 1 << 1,	/* 0 for soft reset, 1 for hard reset */