diff --git a/src/mainboard/amd/padmelon/bootblock/bootblock.c b/src/mainboard/amd/padmelon/bootblock/bootblock.c
index f1b6822f8b..4b28e208c9 100644
--- a/src/mainboard/amd/padmelon/bootblock/bootblock.c
+++ b/src/mainboard/amd/padmelon/bootblock/bootblock.c
@@ -13,11 +13,9 @@
 /* Enable IO access to port, then enable UART HW control pins */
 static void enable_serial(unsigned int base_port, unsigned int io_enable)
 {
-	u32 temp;
 	u8 reg;
-	temp = pci_read_config32(SOC_LPC_DEV, LPC_IO_PORT_DECODE_ENABLE);
-	temp |= io_enable;
-	pci_write_config32(SOC_LPC_DEV, LPC_IO_PORT_DECODE_ENABLE, temp);
+
+	pci_or_config32(SOC_LPC_DEV, LPC_IO_PORT_DECODE_ENABLE, io_enable);
 
 	/*
 	 * Remove this section if HW handshake is not needed. This is needed
diff --git a/src/mainboard/amd/padmelon/fan_init.c b/src/mainboard/amd/padmelon/fan_init.c
index 574ef7fe9b..a2db5eaafc 100644
--- a/src/mainboard/amd/padmelon/fan_init.c
+++ b/src/mainboard/amd/padmelon/fan_init.c
@@ -72,11 +72,8 @@ struct fintek_fan system_fan = {
 
 static void init_fan_control(void *unused)
 {
-	u32 temp;
 	/* Open a LPC IO access to 0x0220-0x0227 */
-	temp = pci_read_config32(SOC_LPC_DEV, LPC_IO_PORT_DECODE_ENABLE);
-	temp |= DECODE_ENABLE_SERIAL_PORT2;
-	pci_write_config32(SOC_LPC_DEV, LPC_IO_PORT_DECODE_ENABLE, temp);
+	pci_or_config32(SOC_LPC_DEV, LPC_IO_PORT_DECODE_ENABLE, DECODE_ENABLE_SERIAL_PORT2);
 
 	set_fan(&cpu_fan);
 	set_fan(&system_fan);