diff --git a/src/soc/intel/baytrail/lpss.c b/src/soc/intel/baytrail/lpss.c
index cdf78b7..08c3c05 100644
--- a/src/soc/intel/baytrail/lpss.c
+++ b/src/soc/intel/baytrail/lpss.c
@@ -15,16 +15,15 @@
 
 #include "chip.h"
 
-static void dev_enable_acpi_mode(struct device *dev, int iosf_reg,
-				 int nvs_index)
+static void dev_enable_acpi_mode(struct device *dev, int iosf_reg, int nvs_index)
 {
 	struct reg_script ops[] = {
 		/* Disable PCI interrupt, enable Memory and Bus Master */
-		REG_PCI_OR16(PCI_COMMAND,
-			     PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | (1<<10)),
+		REG_PCI_OR16(PCI_COMMAND, PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | (1 << 10)),
 		/* Enable ACPI mode */
 		REG_IOSF_OR(IOSF_PORT_LPSS, iosf_reg,
 			    LPSS_CTL_PCI_CFG_DIS | LPSS_CTL_ACPI_INT_EN),
+
 		REG_SCRIPT_END
 	};
 	struct resource *bar;
@@ -63,14 +62,17 @@
 	reg_script_run_on_dev(dev, ops);
 }
 
+#define SET_IOSF_REG(name_) \
+	case PCI_DEVFN(name_ ## _DEV, name_ ## _FUNC): \
+		do { \
+			*iosf_reg = LPSS_ ## name_ ## _CTL; \
+			*nvs_index = LPSS_NVS_ ## name_; \
+		} while (0)
+
 static void dev_ctl_reg(struct device *dev, int *iosf_reg, int *nvs_index)
 {
 	*iosf_reg = -1;
 	*nvs_index = -1;
-#define SET_IOSF_REG(name_) \
-	case PCI_DEVFN(name_ ## _DEV, name_ ## _FUNC): \
-		*iosf_reg = LPSS_ ## name_ ## _CTL; \
-		*nvs_index = LPSS_NVS_ ## name_
 
 	switch (dev->path.pci.devfn) {
 	SET_IOSF_REG(SIO_DMA1);
@@ -104,6 +106,8 @@
 	}
 }
 
+#define CASE_I2C(name_) case PCI_DEVFN(name_ ## _DEV, name_ ## _FUNC)
+
 static void i2c_disable_resets(struct device *dev)
 {
 	/* Release the I2C devices from reset. */
@@ -112,9 +116,6 @@
 		REG_SCRIPT_END,
 	};
 
-#define CASE_I2C(name_) \
-	case PCI_DEVFN(name_ ## _DEV, name_ ## _FUNC)
-
 	switch (dev->path.pci.devfn) {
 	CASE_I2C(I2C1):
 	CASE_I2C(I2C2):
@@ -141,8 +142,7 @@
 	if (iosf_reg < 0) {
 		int slot = PCI_SLOT(dev->path.pci.devfn);
 		int func = PCI_FUNC(dev->path.pci.devfn);
-		printk(BIOS_DEBUG, "Could not find iosf_reg for %02x.%01x\n",
-		       slot, func);
+		printk(BIOS_DEBUG, "Could not find iosf_reg for %02x.%01x\n", slot, func);
 		return;
 	}
 	dev_enable_snoop_and_pm(dev, iosf_reg);