diff --git a/sys/mips/atheros/ar71xx_chip.c b/sys/mips/atheros/ar71xx_chip.c
index 67a89ab182af..62ae30035c65 100644
--- a/sys/mips/atheros/ar71xx_chip.c
+++ b/sys/mips/atheros/ar71xx_chip.c
@@ -37,12 +37,12 @@ __FBSDID("$FreeBSD$");
 #include <sys/cons.h>
 #include <sys/kdb.h>
 #include <sys/reboot.h>
- 
+
 #include <vm/vm.h>
 #include <vm/vm_page.h>
- 
+
 #include <net/ethernet.h>
- 
+
 #include <machine/clock.h>
 #include <machine/cpu.h>
 #include <machine/cpuregs.h>
@@ -50,11 +50,9 @@ __FBSDID("$FreeBSD$");
 #include <machine/md_var.h>
 #include <machine/trap.h>
 #include <machine/vmparam.h>
- 
+
 #include <mips/atheros/ar71xxreg.h>
-
 #include <mips/atheros/ar71xx_chip.h>
-
 #include <mips/atheros/ar71xx_cpudef.h>
 
 #include <mips/sentry5/s5reg.h>
@@ -135,7 +133,7 @@ ar71xx_chip_device_stopped(uint32_t mask)
 	uint32_t reg;
 
 	reg = ATH_READ_REG(AR71XX_RST_RESET);
-        return ((reg & mask) == mask);
+	return ((reg & mask) == mask);
 }
 
 /* Speed is either 10, 100 or 1000 */
@@ -144,20 +142,20 @@ ar71xx_chip_set_pll_ge(int unit, int speed)
 {
 	uint32_t pll;
 
-	switch(speed) {
-		case 10:
-			pll = PLL_ETH_INT_CLK_10;
-			break;
-		case 100:
-			pll = PLL_ETH_INT_CLK_100;
-			break;
-		case 1000:
-			pll = PLL_ETH_INT_CLK_1000;
-			break;
-		default:
-			printf("%s%d: invalid speed %d\n",
-			    __func__, unit, speed);
-			return;
+	switch (speed) {
+	case 10:
+		pll = PLL_ETH_INT_CLK_10;
+		break;
+	case 100:
+		pll = PLL_ETH_INT_CLK_100;
+		break;
+	case 1000:
+		pll = PLL_ETH_INT_CLK_1000;
+		break;
+	default:
+		printf("%s%d: invalid speed %d\n",
+		    __func__, unit, speed);
+		return;
 	}
 	switch (unit) {
 	case 0:
@@ -180,6 +178,7 @@ ar71xx_chip_set_pll_ge(int unit, int speed)
 static void
 ar71xx_chip_ddr_flush_ge(int unit)
 {
+
 	switch (unit) {
 	case 0:
 		ar71xx_ddr_flush(AR71XX_WB_FLUSH_GE0);
@@ -209,18 +208,24 @@ ar71xx_chip_get_eth_pll(unsigned int mac, int speed)
 static void
 ar71xx_chip_init_usb_peripheral(void)
 {
-	ar71xx_device_stop(RST_RESET_USB_OHCI_DLL | RST_RESET_USB_HOST | RST_RESET_USB_PHY);
+
+	ar71xx_device_stop(RST_RESET_USB_OHCI_DLL |
+	    RST_RESET_USB_HOST | RST_RESET_USB_PHY);
 	DELAY(1000);
 
-	ar71xx_device_start(RST_RESET_USB_OHCI_DLL | RST_RESET_USB_HOST | RST_RESET_USB_PHY);
+	ar71xx_device_start(RST_RESET_USB_OHCI_DLL |
+	    RST_RESET_USB_HOST | RST_RESET_USB_PHY);
 	DELAY(1000);
 
 	ATH_WRITE_REG(AR71XX_USB_CTRL_CONFIG,
-	    USB_CTRL_CONFIG_OHCI_DES_SWAP | USB_CTRL_CONFIG_OHCI_BUF_SWAP |
-	    USB_CTRL_CONFIG_EHCI_DES_SWAP | USB_CTRL_CONFIG_EHCI_BUF_SWAP);
+	    USB_CTRL_CONFIG_OHCI_DES_SWAP |
+	    USB_CTRL_CONFIG_OHCI_BUF_SWAP |
+	    USB_CTRL_CONFIG_EHCI_DES_SWAP |
+	    USB_CTRL_CONFIG_EHCI_BUF_SWAP);
 
 	ATH_WRITE_REG(AR71XX_USB_CTRL_FLADJ,
-	    (32 << USB_CTRL_FLADJ_HOST_SHIFT) | (3 << USB_CTRL_FLADJ_A5_SHIFT));
+	    (32 << USB_CTRL_FLADJ_HOST_SHIFT) |
+	    (3 << USB_CTRL_FLADJ_A5_SHIFT));
 
 	DELAY(1000);
 }
diff --git a/sys/mips/atheros/ar724x_chip.c b/sys/mips/atheros/ar724x_chip.c
index 446fe16697a9..14106dd5b15f 100644
--- a/sys/mips/atheros/ar724x_chip.c
+++ b/sys/mips/atheros/ar724x_chip.c
@@ -37,12 +37,12 @@ __FBSDID("$FreeBSD$");
 #include <sys/cons.h>
 #include <sys/kdb.h>
 #include <sys/reboot.h>
- 
+
 #include <vm/vm.h>
 #include <vm/vm_page.h>
- 
+
 #include <net/ethernet.h>
- 
+
 #include <machine/clock.h>
 #include <machine/cpu.h>
 #include <machine/cpuregs.h>
@@ -50,7 +50,7 @@ __FBSDID("$FreeBSD$");
 #include <machine/md_var.h>
 #include <machine/trap.h>
 #include <machine/vmparam.h>
- 
+
 #include <mips/atheros/ar71xxreg.h>
 #include <mips/atheros/ar724xreg.h>
 
@@ -71,20 +71,20 @@ ar724x_chip_detect_sys_frequency(void)
 	uint32_t pll;
 	uint32_t freq;
 	uint32_t div;
-	 
+
 	pll = ATH_READ_REG(AR724X_PLL_REG_CPU_CONFIG);
-	
+
 	div = ((pll >> AR724X_PLL_DIV_SHIFT) & AR724X_PLL_DIV_MASK);
 	freq = div * AR724X_BASE_FREQ;
 
 	div = ((pll >> AR724X_PLL_REF_DIV_SHIFT) & AR724X_PLL_REF_DIV_MASK);
 	freq *= div;
-	
+
 	u_ar71xx_cpu_freq = freq;
-	
+
 	div = ((pll >> AR724X_DDR_DIV_SHIFT) & AR724X_DDR_DIV_MASK) + 1;
 	u_ar71xx_ddr_freq = freq / div;
-	
+
 	div = (((pll >> AR724X_AHB_DIV_SHIFT) & AR724X_AHB_DIV_MASK) + 1) * 2;
 	u_ar71xx_ahb_freq = u_ar71xx_cpu_freq / div;
 }
@@ -125,12 +125,13 @@ ar724x_chip_device_stopped(uint32_t mask)
 static void
 ar724x_chip_set_pll_ge(int unit, int speed)
 {
+
 	switch (unit) {
 	case 0:
-		/* TODO */
+		/* XXX TODO */
 		break;
 	case 1:
-		/* TODO */
+		/* XXX TODO */
 		break;
 	default:
 		printf("%s: invalid PLL set for arge unit: %d\n",
@@ -142,6 +143,7 @@ ar724x_chip_set_pll_ge(int unit, int speed)
 static void
 ar724x_chip_ddr_flush_ge(int unit)
 {
+
 	switch (unit) {
 	case 0:
 		ar71xx_ddr_flush(AR724X_DDR_REG_FLUSH_GE0);
@@ -159,14 +161,15 @@ ar724x_chip_ddr_flush_ge(int unit)
 static void
 ar724x_chip_ddr_flush_ip2(void)
 {
+
 	ar71xx_ddr_flush(AR724X_DDR_REG_FLUSH_PCIE);
 }
 
-
 static uint32_t
 ar724x_chip_get_eth_pll(unsigned int mac, int speed)
 {
-        return 0;
+
+	return 0;
 }
 
 static void
@@ -174,42 +177,39 @@ ar724x_chip_init_usb_peripheral(void)
 {
 
 	switch (ar71xx_soc) {
-		case AR71XX_SOC_AR7240:
+	case AR71XX_SOC_AR7240:
+		ar71xx_device_stop(AR724X_RESET_MODULE_USB_OHCI_DLL |
+		    AR724X_RESET_USB_HOST);
+		DELAY(1000);
 
-			ar71xx_device_stop(AR724X_RESET_MODULE_USB_OHCI_DLL |
-			    AR724X_RESET_USB_HOST);
-			DELAY(1000);
+		ar71xx_device_start(AR724X_RESET_MODULE_USB_OHCI_DLL |
+		    AR724X_RESET_USB_HOST);
+		DELAY(1000);
 
-			ar71xx_device_start(AR724X_RESET_MODULE_USB_OHCI_DLL |
-			    AR724X_RESET_USB_HOST);
-			DELAY(1000);
+		/*
+		 * WAR for HW bug. Here it adjusts the duration
+		 * between two SOFS.
+		 */
+		ATH_WRITE_REG(AR71XX_USB_CTRL_FLADJ,
+		    (3 << USB_CTRL_FLADJ_A0_SHIFT));
 
-			/*
-			 * WAR for HW bug. Here it adjusts the duration
-			 * between two SOFS.
-			 */
-			ATH_WRITE_REG(AR71XX_USB_CTRL_FLADJ,
-			    (3 << USB_CTRL_FLADJ_A0_SHIFT));
+		break;
 
-			break;
+	case AR71XX_SOC_AR7241:
+	case AR71XX_SOC_AR7242:
+		ar71xx_device_start(AR724X_RESET_MODULE_USB_OHCI_DLL);
+		DELAY(100);
 
-		case AR71XX_SOC_AR7241:
-		case AR71XX_SOC_AR7242:
+		ar71xx_device_start(AR724X_RESET_USB_HOST);
+		DELAY(100);
 
-			ar71xx_device_start(AR724X_RESET_MODULE_USB_OHCI_DLL);
-			DELAY(100);
+		ar71xx_device_start(AR724X_RESET_USB_PHY);
+		DELAY(100);
 
-			ar71xx_device_start(AR724X_RESET_USB_HOST);
-			DELAY(100);
+		break;
 
-			ar71xx_device_start(AR724X_RESET_USB_PHY);
-			DELAY(100);
-
-			break;
-
-		default:
-			/* fallthrough */
-			break;
+	default:
+		break;
 	}
 }
 
diff --git a/sys/mips/atheros/ar91xx_chip.c b/sys/mips/atheros/ar91xx_chip.c
index 8b510a3664bd..94980464abf9 100644
--- a/sys/mips/atheros/ar91xx_chip.c
+++ b/sys/mips/atheros/ar91xx_chip.c
@@ -37,12 +37,12 @@ __FBSDID("$FreeBSD$");
 #include <sys/cons.h>
 #include <sys/kdb.h>
 #include <sys/reboot.h>
- 
+
 #include <vm/vm.h>
 #include <vm/vm_page.h>
- 
+
 #include <net/ethernet.h>
- 
+
 #include <machine/clock.h>
 #include <machine/cpu.h>
 #include <machine/cpuregs.h>
@@ -50,11 +50,10 @@ __FBSDID("$FreeBSD$");
 #include <machine/md_var.h>
 #include <machine/trap.h>
 #include <machine/vmparam.h>
- 
-#include <mips/atheros/ar71xxreg.h>
-#include <mips/atheros/ar91xxreg.h>
 
+#include <mips/atheros/ar71xxreg.h>
 #include <mips/atheros/ar71xx_cpudef.h>
+#include <mips/atheros/ar91xxreg.h>
 #include <mips/atheros/ar91xx_chip.h>
 
 #include <mips/sentry5/s5reg.h>
@@ -67,49 +66,48 @@ ar91xx_chip_detect_mem_size(void)
 static void
 ar91xx_chip_detect_sys_frequency(void)
 {
-        uint32_t pll;
-        uint32_t freq;
-        uint32_t div;
-        
-        pll = ATH_READ_REG(AR91XX_PLL_REG_CPU_CONFIG);
+	uint32_t pll;
+	uint32_t freq;
+	uint32_t div;
 
-        div = ((pll >> AR91XX_PLL_DIV_SHIFT) & AR91XX_PLL_DIV_MASK);
-        freq = div * AR91XX_BASE_FREQ;
-        
-        u_ar71xx_cpu_freq = freq;
+	pll = ATH_READ_REG(AR91XX_PLL_REG_CPU_CONFIG);
 
-        div = ((pll >> AR91XX_DDR_DIV_SHIFT) & AR91XX_DDR_DIV_MASK) + 1;
-        u_ar71xx_ddr_freq = freq / div;
-        
-        div = (((pll >> AR91XX_AHB_DIV_SHIFT) & AR91XX_AHB_DIV_MASK) + 1) * 2;
-        u_ar71xx_ahb_freq = u_ar71xx_cpu_freq / div;
+	div = ((pll >> AR91XX_PLL_DIV_SHIFT) & AR91XX_PLL_DIV_MASK);
+	freq = div * AR91XX_BASE_FREQ;
+	u_ar71xx_cpu_freq = freq;
+
+	div = ((pll >> AR91XX_DDR_DIV_SHIFT) & AR91XX_DDR_DIV_MASK) + 1;
+	u_ar71xx_ddr_freq = freq / div;
+
+	div = (((pll >> AR91XX_AHB_DIV_SHIFT) & AR91XX_AHB_DIV_MASK) + 1) * 2;
+	u_ar71xx_ahb_freq = u_ar71xx_cpu_freq / div;
 }
 
 static void
 ar91xx_chip_device_stop(uint32_t mask)
 {
-        uint32_t reg;
-        
-        reg = ATH_READ_REG(AR91XX_RESET_REG_RESET_MODULE);
-        ATH_WRITE_REG(AR91XX_RESET_REG_RESET_MODULE, reg | mask);
+	uint32_t reg;
+
+	reg = ATH_READ_REG(AR91XX_RESET_REG_RESET_MODULE);
+	ATH_WRITE_REG(AR91XX_RESET_REG_RESET_MODULE, reg | mask);
 }
 
 static void
 ar91xx_chip_device_start(uint32_t mask)
 {
-        uint32_t reg;
-        
-        reg = ATH_READ_REG(AR91XX_RESET_REG_RESET_MODULE);
-        ATH_WRITE_REG(AR91XX_RESET_REG_RESET_MODULE, reg & ~mask);
+	uint32_t reg;
+
+	reg = ATH_READ_REG(AR91XX_RESET_REG_RESET_MODULE);
+	ATH_WRITE_REG(AR91XX_RESET_REG_RESET_MODULE, reg & ~mask);
 }
 
 static int
 ar91xx_chip_device_stopped(uint32_t mask)
 {
-        uint32_t reg;
-        
-        reg = ATH_READ_REG(AR91XX_RESET_REG_RESET_MODULE);
-        return ((reg & mask) == mask);
+	uint32_t reg;
+
+	reg = ATH_READ_REG(AR91XX_RESET_REG_RESET_MODULE);
+	return ((reg & mask) == mask);
 }
 
 static void
@@ -118,19 +116,19 @@ ar91xx_chip_set_pll_ge(int unit, int speed)
 	uint32_t pll;
 
 	switch(speed) {
-		case 10:
-			pll = AR91XX_PLL_VAL_10;
-			break;
-		case 100:
-			pll = AR91XX_PLL_VAL_100;
-			break;
-		case 1000:
-			pll = AR91XX_PLL_VAL_1000;
-			break;
-		default:
-			printf("%s%d: invalid speed %d\n",
-			    __func__, unit, speed);
-			return;
+	case 10:
+		pll = AR91XX_PLL_VAL_10;
+		break;
+	case 100:
+		pll = AR91XX_PLL_VAL_100;
+		break;
+	case 1000:
+		pll = AR91XX_PLL_VAL_1000;
+		break;
+	default:
+		printf("%s%d: invalid speed %d\n",
+		    __func__, unit, speed);
+		return;
 	}
 	switch (unit) {
 	case 0:
@@ -153,6 +151,7 @@ ar91xx_chip_set_pll_ge(int unit, int speed)
 static void
 ar91xx_chip_ddr_flush_ge(int unit)
 {
+
 	switch (unit) {
 	case 0:
 		ar71xx_ddr_flush(AR91XX_DDR_REG_FLUSH_GE0);
@@ -170,6 +169,7 @@ ar91xx_chip_ddr_flush_ge(int unit)
 static void
 ar91xx_chip_ddr_flush_ip2(void)
 {
+
 	ar71xx_ddr_flush(AR91XX_DDR_REG_FLUSH_WMAC);
 }
 
@@ -177,12 +177,14 @@ ar91xx_chip_ddr_flush_ip2(void)
 static uint32_t
 ar91xx_chip_get_eth_pll(unsigned int mac, int speed)
 {
-        return 0;
+
+	return 0;
 }
 
 static void
 ar91xx_chip_init_usb_peripheral(void)
 {
+
 	ar71xx_device_stop(AR91XX_RST_RESET_MODULE_USBSUS_OVERRIDE);
 	DELAY(100);
 
@@ -201,14 +203,14 @@ ar91xx_chip_init_usb_peripheral(void)
 }
 
 struct ar71xx_cpu_def ar91xx_chip_def = {
-        &ar91xx_chip_detect_mem_size,
-        &ar91xx_chip_detect_sys_frequency,
-        &ar91xx_chip_device_stop,
-        &ar91xx_chip_device_start,
-        &ar91xx_chip_device_stopped,
-        &ar91xx_chip_set_pll_ge,
-        &ar91xx_chip_ddr_flush_ge,
-        &ar91xx_chip_get_eth_pll,
-        &ar91xx_chip_ddr_flush_ip2,
+	&ar91xx_chip_detect_mem_size,
+	&ar91xx_chip_detect_sys_frequency,
+	&ar91xx_chip_device_stop,
+	&ar91xx_chip_device_start,
+	&ar91xx_chip_device_stopped,
+	&ar91xx_chip_set_pll_ge,
+	&ar91xx_chip_ddr_flush_ge,
+	&ar91xx_chip_get_eth_pll,
+	&ar91xx_chip_ddr_flush_ip2,
 	&ar91xx_chip_init_usb_peripheral,
 };