lots of code cleanup for ifxmips

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11570 3c298f89-4303-0410-b956-a3cf2f4a3e73

10 files changed, 261 insertions, 323 deletions

diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
index 09514daae..aabcb5fce 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
@@ -1,6 +1,4 @@
 /*
- *   arch/mips/ifxmips/board.c
- *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 2 of the License, or
@@ -16,7 +14,6 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
  *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
- *
  */
 
 #include <linux/autoconf.h>
@@ -43,13 +40,11 @@
 #define BOARD_TWINPASS			"Twinpass"
 #define BOARD_TWINPASS_CHIPID	0x3012D083
 
-#define BOARD_DANUBE			"Danube"
-
 static unsigned int chiprev;
-
 static struct platform_device *ifxmips_devs[MAX_IFXMIPS_DEVS];
 
-static struct platform_device ifxmips_led[] =
+static struct platform_device
+ifxmips_led[] =
 {
 	{
 		.id = 0,
@@ -57,7 +52,8 @@ static struct platform_device ifxmips_led[] =
 	},
 };
 
-static struct platform_device ifxmips_gpio[] =
+static struct platform_device
+ifxmips_gpio[] =
 {
 	{
 		.id = 0,
@@ -65,7 +61,8 @@ static struct platform_device ifxmips_gpio[] =
 	},
 };
 
-static struct platform_device ifxmips_mii[] =
+static struct platform_device
+ifxmips_mii[] =
 {
 	{
 		.id = 0,
@@ -73,7 +70,8 @@ static struct platform_device ifxmips_mii[] =
 	},
 };
 
-static struct platform_device ifxmips_wdt[] =
+static struct platform_device
+ifxmips_wdt[] =
 {
 	{
 		.id = 0,
@@ -81,17 +79,20 @@ static struct platform_device ifxmips_wdt[] =
 	},
 };
 
-static struct physmap_flash_data ifxmips_mtd_data = {
+static struct physmap_flash_data
+ifxmips_mtd_data = {
 	.width    = 2,
 };
 
-static struct resource ifxmips_mtd_resource = {
+static struct resource
+ifxmips_mtd_resource = {
 	.start  = IFXMIPS_FLASH_START,
 	.end    = IFXMIPS_FLASH_START + IFXMIPS_FLASH_MAX - 1,
 	.flags  = IORESOURCE_MEM,
 };
 
-static struct platform_device ifxmips_mtd[] =
+static struct platform_device
+ifxmips_mtd[] =
 {
 	{
 		.id = 0,
@@ -105,16 +106,20 @@ static struct platform_device ifxmips_mtd[] =
 };
 
 #ifdef CONFIG_GPIO_DEVICE
-static struct resource ifxmips_gpio_dev_resources[] = {
+static struct resource
+ifxmips_gpio_dev_resources[] = {
 	{
 		.name = "gpio",
 		.flags  = 0,
-		.start = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 8) | (1 << 9) | (1 << 12),
-		.end = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 8) | (1 << 9) | (1 << 12),
+		.start = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) |
+			(1 << 4) | (1 << 5) | (1 << 8) | (1 << 9) | (1 << 12),
+		.end = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) |
+			(1 << 4) | (1 << 5) | (1 << 8) | (1 << 9) | (1 << 12),
 	},
 };
 
-static struct platform_device ifxmips_gpio_dev[] = {
+static struct platform_device
+ifxmips_gpio_dev[] = {
 	{
 		.name     = "GPIODEV",
 		.id     = -1,
@@ -125,7 +130,7 @@ static struct platform_device ifxmips_gpio_dev[] = {
 #endif
 
 const char*
-get_system_type (void)
+get_system_type(void)
 {
 	chiprev = ifxmips_r32(IFXMIPS_MPS_CHIPID);
 	switch(chiprev)
@@ -140,18 +145,11 @@ get_system_type (void)
 	return BOARD_SYSTEM_TYPE;
 }
 
-int __init ifxmips_init_devices(void)
+int __init
+ifxmips_init_devices(void)
 {
-	/*
-	*	This is where we detect what chip we are running on
-	*	Currently we support 3 chips
-	*	1.) Danube
-	*	2.) Twinpass (Danube without dsl phy)
-	*/
-
 	int dev = 0;
 
-	/* the following devices are generic for all targets */
 	ifxmips_devs[dev++] = ifxmips_led;
 	ifxmips_devs[dev++] = ifxmips_gpio;
 	ifxmips_devs[dev++] = ifxmips_mii;
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/cgu.c b/target/linux/ifxmips/files/arch/mips/ifxmips/cgu.c
index 2f292a216..3dec89e7c 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/cgu.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/cgu.c
@@ -1,6 +1,4 @@
 /*
- *   arch/mips/ifxmips/cgu.c
- *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 2 of the License, or
@@ -16,10 +14,7 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
  *   Copyright (C) 2007 Xu Liang, infineon
- *
- *   Rewrite of Infineon IFXMips code
  *   Copyright (C) 2008 John Crispin <blogic@openwrt.org> 
- *
  */
 
 #include <linux/kernel.h>
@@ -75,9 +70,10 @@
 #define CGU_IF_CLK_USBSEL               GET_BITS(*IFXMIPS_CGU_IF_CLK, 5, 4)
 #define CGU_IF_CLK_MIISEL               GET_BITS(*IFXMIPS_CGU_IF_CLK, 1, 0)
 
-static u32 cgu_get_pll0_fdiv(void);
+static unsigned int cgu_get_pll0_fdiv(void);
 
-static inline u32 get_input_clock(int pll)
+static inline unsigned int
+get_input_clock(int pll)
 {
 	switch(pll)
 	{
@@ -110,8 +106,8 @@ static inline u32 get_input_clock(int pll)
 	}
 }
 
-static inline u32
-cal_dsm(int pll, u32 num, u32 den)
+static inline unsigned int
+cal_dsm(int pll, unsigned int num, unsigned int den)
 {
 	u64 res, clock = get_input_clock(pll);
 
@@ -120,56 +116,65 @@ cal_dsm(int pll, u32 num, u32 den)
 	return res;
 }
 
-static inline u32
-mash_dsm(int pll, u32 M, u32 N, u32 K)
+static inline unsigned int
+mash_dsm(int pll, unsigned int M, unsigned int N, unsigned int K)
 {
-	u32 num = ((N + 1) << 10) + K;
-	u32 den = (M + 1) << 10;
+	unsigned int num = ((N + 1) << 10) + K;
+	unsigned int den = (M + 1) << 10;
 
 	return cal_dsm(pll, num, den);
 }
 
-static inline u32 ssff_dsm_1(int pll, u32 M, u32 N, u32 K)
+static inline unsigned int
+ssff_dsm_1(int pll, unsigned int M,	unsigned int N, unsigned int K)
 {
-	u32 num = ((N + 1) << 11) + K + 512;
-	u32 den = (M + 1) << 11;
+	unsigned int num = ((N + 1) << 11) + K + 512;
+	unsigned int den = (M + 1) << 11;
 
 	return cal_dsm(pll, num, den);
 }
 
-static inline u32 ssff_dsm_2(int pll, u32 M, u32 N, u32 K)
+static inline unsigned int
+ssff_dsm_2(int pll, unsigned int M,	unsigned int N, unsigned int K)
 {
-	u32 num = K >= 512 ? ((N + 1) << 12) + K - 512 : ((N + 1) << 12) + K + 3584;
-	u32 den = (M + 1) << 12;
+	unsigned int num = K >= 512 ?
+		((N + 1) << 12) + K - 512 : ((N + 1) << 12) + K + 3584;
+	unsigned int den = (M + 1) << 12;
 
 	return cal_dsm(pll, num, den);
 }
 
-static inline u32 dsm(int pll, u32 M, u32 N, u32 K, u32 dsmsel, u32 phase_div_en)
+static inline unsigned int
+dsm(int pll, unsigned int M, unsigned int N, unsigned int K,
+	unsigned int dsmsel, unsigned int phase_div_en)
 {
-	if ( !dsmsel )
+	if(!dsmsel)
 		return mash_dsm(pll, M, N, K);
-	else if ( !phase_div_en )
+	else if(!phase_div_en)
 		return mash_dsm(pll, M, N, K);
 	else
 		return ssff_dsm_2(pll, M, N, K);
 }
 
-static inline u32 cgu_get_pll0_fosc(void)
+static inline unsigned int
+cgu_get_pll0_fosc(void)
 {
 	if(CGU_PLL0_BYPASS)
 		return get_input_clock(0);
 	else
 		return !CGU_PLL0_CFG_FRAC_EN
-			? dsm(0, CGU_PLL0_CFG_PLLM, CGU_PLL0_CFG_PLLN, 0, CGU_PLL0_CFG_DSMSEL, CGU_PLL0_PHASE_DIVIDER_ENABLE)
-			: dsm(0, CGU_PLL0_CFG_PLLM, CGU_PLL0_CFG_PLLN, CGU_PLL0_CFG_PLLK, CGU_PLL0_CFG_DSMSEL, CGU_PLL0_PHASE_DIVIDER_ENABLE);
+			? dsm(0, CGU_PLL0_CFG_PLLM, CGU_PLL0_CFG_PLLN, 0, CGU_PLL0_CFG_DSMSEL,
+				CGU_PLL0_PHASE_DIVIDER_ENABLE)
+			: dsm(0, CGU_PLL0_CFG_PLLM, CGU_PLL0_CFG_PLLN, CGU_PLL0_CFG_PLLK,
+				CGU_PLL0_CFG_DSMSEL, CGU_PLL0_PHASE_DIVIDER_ENABLE);
 }
 
-static inline u32 cgu_get_pll0_fps(int phase)
+static inline unsigned int
+cgu_get_pll0_fps(int phase)
 {
-	register u32 fps = cgu_get_pll0_fosc();
+	register unsigned int fps = cgu_get_pll0_fosc();
 
-	switch ( phase )
+	switch(phase)
 	{
 	case 1:
 		/*  1.25    */
@@ -183,14 +188,16 @@ static inline u32 cgu_get_pll0_fps(int phase)
 	return fps;
 }
 
-static u32 cgu_get_pll0_fdiv(void)
+static unsigned int
+cgu_get_pll0_fdiv(void)
 {
-	register u32 div = CGU_PLL2_CFG_INPUT_DIV + 1;
+	register unsigned int div = CGU_PLL2_CFG_INPUT_DIV + 1;
 
 	return (cgu_get_pll0_fosc() + (div >> 1)) / div;
 }
 
-static inline u32 cgu_get_pll1_fosc(void)
+static inline unsigned int
+cgu_get_pll1_fosc(void)
 {
 	if(CGU_PLL1_BYPASS)
 		return get_input_clock(1);
@@ -200,19 +207,22 @@ static inline u32 cgu_get_pll1_fosc(void)
 			: dsm(1, CGU_PLL1_CFG_PLLM, CGU_PLL1_CFG_PLLN, CGU_PLL1_CFG_PLLK, CGU_PLL1_CFG_DSMSEL, 0);
 }
 
-static inline u32 cgu_get_pll1_fps(void)
+static inline unsigned int
+cgu_get_pll1_fps(void)
 {
-	register u32 fps = cgu_get_pll1_fosc();
+	register unsigned int fps = cgu_get_pll1_fosc();
 
 	return ((fps << 1) + 1) / 3;
 }
 
-static inline u32 cgu_get_pll1_fdiv(void)
+static inline unsigned int
+cgu_get_pll1_fdiv(void)
 {
 	return cgu_get_pll1_fosc();
 }
 
-static inline u32 cgu_get_pll2_fosc(void)
+static inline unsigned int
+cgu_get_pll2_fosc(void)
 {
 	u64 res, clock = get_input_clock(2);
 
@@ -225,9 +235,10 @@ static inline u32 cgu_get_pll2_fosc(void)
 	return res;
 }
 
-static inline u32 cgu_get_pll2_fps(int phase)
+static inline unsigned int
+cgu_get_pll2_fps(int phase)
 {
-	register u32 fps = cgu_get_pll2_fosc();
+	register unsigned int fps = cgu_get_pll2_fosc();
 
 	switch ( phase )
 	{
@@ -242,23 +253,25 @@ static inline u32 cgu_get_pll2_fps(int phase)
 	return fps;
 }
 
-static inline u32 cgu_get_pll2_fdiv(void)
+static inline unsigned int
+cgu_get_pll2_fdiv(void)
 {
-	register u32 div = CGU_IF_CLK_PCI_CLK + 1;
+	register unsigned int div = CGU_IF_CLK_PCI_CLK + 1;
 	return (cgu_get_pll2_fosc() + (div >> 1)) / div;
 }
 
-u32 cgu_get_mips_clock(int cpu)
+unsigned int
+cgu_get_mips_clock(int cpu)
 {
-	register u32 ret = cgu_get_pll0_fosc();
-	register u32 cpusel = cpu == 0 ? CGU_SYS_CPU0SEL : CGU_SYS_CPU1SEL;
+	register unsigned int ret = cgu_get_pll0_fosc();
+	register unsigned int cpusel = cpu == 0 ? CGU_SYS_CPU0SEL : CGU_SYS_CPU1SEL;
 
-	if ( cpusel == 0 )
+	if(cpusel == 0)
 		return ret;
-	else if ( cpusel == 2 )
+	else if(cpusel == 2)
 		ret <<= 1;
 
-	switch ( CGU_SYS_DDR_SEL )
+	switch(CGU_SYS_DDR_SEL)
 	{
 	default:
 	case 0:
@@ -272,16 +285,18 @@ u32 cgu_get_mips_clock(int cpu)
 	}
 }
 
-u32 cgu_get_cpu_clock(void)
+unsigned int
+cgu_get_cpu_clock(void)
 {
 	return cgu_get_mips_clock(0);
 }
 
-u32 cgu_get_io_region_clock(void)
+unsigned int
+cgu_get_io_region_clock(void)
 {
-	register u32 ret = cgu_get_pll0_fosc();
+	register unsigned int ret = cgu_get_pll0_fosc();
 
-	switch ( CGU_SYS_DDR_SEL )
+	switch(CGU_SYS_DDR_SEL)
 	{
 	default:
 	case 0:
@@ -295,9 +310,10 @@ u32 cgu_get_io_region_clock(void)
 	}
 }
 
-u32 cgu_get_fpi_bus_clock(int fpi)
+unsigned int
+cgu_get_fpi_bus_clock(int fpi)
 {
-	register u32 ret = cgu_get_io_region_clock();
+	register unsigned int ret = cgu_get_io_region_clock();
 
 	if((fpi == 2) && (CGU_SYS_FPI_SEL))
 		ret >>= 1;
@@ -305,9 +321,10 @@ u32 cgu_get_fpi_bus_clock(int fpi)
 	return ret;
 }
 
-u32 cgu_get_pp32_clock(void)
+unsigned int
+cgu_get_pp32_clock(void)
 {
-	switch ( CGU_SYS_PPESEL )
+	switch(CGU_SYS_PPESEL)
 	{
 	default:
 	case 0:
@@ -321,9 +338,10 @@ u32 cgu_get_pp32_clock(void)
 	}
 }
 
-u32 cgu_get_ethernet_clock(int mii)
+unsigned int
+cgu_get_ethernet_clock(int mii)
 {
-	switch ( CGU_IF_CLK_MIISEL )
+	switch(CGU_IF_CLK_MIISEL)
 	{
 	case 0:
 		return (cgu_get_pll2_fosc() + 3) / 12;
@@ -337,9 +355,10 @@ u32 cgu_get_ethernet_clock(int mii)
 	return 0;
 }
 
-u32 cgu_get_usb_clock(void)
+unsigned int
+cgu_get_usb_clock(void)
 {
-	switch ( CGU_IF_CLK_USBSEL )
+	switch(CGU_IF_CLK_USBSEL)
 	{
 	case 0:
 		return (cgu_get_pll2_fosc() + 12) / 25;
@@ -353,15 +372,16 @@ u32 cgu_get_usb_clock(void)
 	return 0;
 }
 
-u32 cgu_get_clockout(int clkout)
+unsigned int
+cgu_get_clockout(int clkout)
 {
-	u32 fosc1 = cgu_get_pll1_fosc();
-	u32 fosc2 = cgu_get_pll2_fosc();
+	unsigned int fosc1 = cgu_get_pll1_fosc();
+	unsigned int fosc2 = cgu_get_pll2_fosc();
 
-	if ( clkout > 3 || clkout < 0 )
+	if(clkout > 3 || clkout < 0)
 		return 0;
 
-	switch ( ((u32)clkout << 2) | GET_BITS(*IFXMIPS_CGU_IF_CLK, 15 - clkout * 2, 14 - clkout * 2) )
+	switch(((unsigned int)clkout << 2) | GET_BITS(*IFXMIPS_CGU_IF_CLK, 15 - clkout * 2, 14 - clkout * 2))
 	{
 	case 0: /*  32.768KHz   */
 	case 15:
@@ -391,6 +411,5 @@ u32 cgu_get_clockout(int clkout)
 	case 11:/*  60MHz       */
 		return (fosc2 + 2) / 5;
 	}
-
 	return 0;
 }
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/dma-core.c b/target/linux/ifxmips/files/arch/mips/ifxmips/dma-core.c
index e47082d0a..a57b803e5 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/dma-core.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/dma-core.c
@@ -32,9 +32,9 @@
 #define DMA_INT_BUDGET      100	/*budget for interrupt handling */
 #define DMA_POLL_COUNTER    4	/*fix me, set the correct counter value here! */
 
-extern void mask_and_ack_ifxmips_irq (unsigned int irq_nr);
-extern void enable_ifxmips_irq (unsigned int irq_nr);
-extern void disable_ifxmips_irq (unsigned int irq_nr);
+extern void ifxmips_mask_and_ack_irq (unsigned int irq_nr);
+extern void ifxmips_enable_irq (unsigned int irq_nr);
+extern void ifxmips_disable_irq (unsigned int irq_nr);
 
 u64 *g_desc_list;
 _dma_device_info dma_devs[MAX_DMA_DEVICE_NUM];
@@ -101,7 +101,7 @@ enable_ch_irq (_dma_channel_info *pCh)
 	ifxmips_w32(0x4a, IFXMIPS_DMA_CIE);
 	ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN);
 	local_irq_restore(flag);
-	enable_ifxmips_irq(pCh->irq);
+	ifxmips_enable_irq(pCh->irq);
 }
 
 void
@@ -116,7 +116,7 @@ disable_ch_irq (_dma_channel_info *pCh)
 	ifxmips_w32(0, IFXMIPS_DMA_CIE);
 	ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) & ~(1 << chan_no), IFXMIPS_DMA_IRNEN);
 	local_irq_restore(flag);
-	mask_and_ack_ifxmips_irq(pCh->irq);
+	ifxmips_mask_and_ack_irq(pCh->irq);
 }
 
 void
@@ -182,7 +182,7 @@ rx_chan_intr_handler (int chan_no)
 		ifxmips_w32(tmp, IFXMIPS_DMA_CS);
 		g_ifxmips_dma_int_status &= ~(1 << chan_no);
 		local_irq_restore(flag);
-		enable_ifxmips_irq(dma_chan[chan_no].irq);
+		ifxmips_enable_irq(dma_chan[chan_no].irq);
 	}
 }
 
@@ -276,7 +276,7 @@ dma_interrupt (int irq, void *dev_id)
 	ifxmips_w32(0, IFXMIPS_DMA_IRNEN);
 	g_ifxmips_dma_int_status |= 1 << chan_no;
 	ifxmips_w32(tmp, IFXMIPS_DMA_IRNEN);
-	mask_and_ack_ifxmips_irq(irq);
+	ifxmips_mask_and_ack_irq(irq);
 
     if (!g_ifxmips_dma_in_process)
 	{
@@ -387,7 +387,7 @@ dma_device_register(_dma_device_info *dev)
 			ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN);
 			ifxmips_w32(0x30000, IFXMIPS_DMA_CCTRL);
 			local_irq_restore(flag);
-			enable_ifxmips_irq(dma_chan[chan_no].irq);
+			ifxmips_enable_irq(dma_chan[chan_no].irq);
 		}
 	}
 }
@@ -438,7 +438,7 @@ dma_device_unregister (_dma_device_info *dev)
 	{
 		pCh = dev->rx_chan[i];
 		chan_no = (int)(dev->rx_chan[i] - dma_chan);
-		disable_ifxmips_irq(pCh->irq);
+		ifxmips_disable_irq(pCh->irq);
 
 		local_irq_save(flag);
 		g_ifxmips_dma_int_status &= ~(1 << chan_no);
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c b/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c
index 8beb0b820..931d3ac1d 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c
@@ -13,9 +13,10 @@
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
- *   Copyright (C) 2005 infineon
+ *   Copyright (C) 2004 btxu Generate from INCA-IP project
+ *   Copyright (C) 2005 Jin-Sze.Sow Comments edited
+ *   Copyright (C) 2006 Huang Xiaogang Modification & verification on Danube chip
  *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
- *
  */
 
 #include <linux/module.h>
@@ -43,10 +44,6 @@
 #define MAX_PORTS			2
 #define PINS_PER_PORT		16
 
-#define DRVNAME				"ifxmips_gpio"
-
-static unsigned int ifxmips_gpio_major = 0;
-
 #ifdef CONFIG_IFXMIPS_GPIO_RST_BTN
 #define IFXMIPS_RST_PIN 15
 #define IFXMIPS_RST_PORT 1
@@ -65,58 +62,51 @@ struct event_t {
 };
 #endif
 
-/* TODO do we need this ? */
-static struct semaphore port_sem;
-
-/* TODO do we really need this ? return in a define is forbidden by coding style */
 #define IFXMIPS_GPIO_SANITY		{if (port > MAX_PORTS || pin > PINS_PER_PORT) return -EINVAL; }
-
 int
-ifxmips_port_reserve_pin (unsigned int port, unsigned int pin)
+ifxmips_port_reserve_pin(unsigned int port, unsigned int pin)
 {
 	IFXMIPS_GPIO_SANITY;
 	printk("%s : call to obseleted function\n", __func__);
-
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_reserve_pin);
 
 int
-ifxmips_port_free_pin (unsigned int port, unsigned int pin)
+ifxmips_port_free_pin(unsigned int port, unsigned int pin)
 {
 	IFXMIPS_GPIO_SANITY;
 	printk("%s : call to obseleted function\n", __func__);
-
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_free_pin);
 
 int
-ifxmips_port_set_open_drain (unsigned int port, unsigned int pin)
+ifxmips_port_set_open_drain(unsigned int port, unsigned int pin)
 {
 	IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_OD + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) | (1 << pin),
+		IFXMIPS_GPIO_P0_OD + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_set_open_drain);
 
 int
-ifxmips_port_clear_open_drain (unsigned int port, unsigned int pin)
+ifxmips_port_clear_open_drain(unsigned int port, unsigned int pin)
 {
 	IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_OD + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) & ~(1 << pin),
+		IFXMIPS_GPIO_P0_OD + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_clear_open_drain);
 
 int
-ifxmips_port_set_pudsel (unsigned int port, unsigned int pin)
+ifxmips_port_set_pudsel(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) | (1 << pin),
+		IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_set_pudsel);
@@ -125,97 +115,96 @@ int
 ifxmips_port_clear_pudsel (unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) & ~(1 << pin),
+		IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_clear_pudsel);
 
 int
-ifxmips_port_set_puden (unsigned int port, unsigned int pin)
+ifxmips_port_set_puden(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_PUDEN + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) | (1 << pin),
+		IFXMIPS_GPIO_P0_PUDEN + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_set_puden);
 
 int
-ifxmips_port_clear_puden (unsigned int port, unsigned int pin)
+ifxmips_port_clear_puden(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_PUDEN + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) & ~(1 << pin),
+		IFXMIPS_GPIO_P0_PUDEN + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_clear_puden);
 
 int
-ifxmips_port_set_stoff (unsigned int port, unsigned int pin)
+ifxmips_port_set_stoff(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_STOFF + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) | (1 << pin),
+		IFXMIPS_GPIO_P0_STOFF + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_set_stoff);
 
 int
-ifxmips_port_clear_stoff (unsigned int port, unsigned int pin)
+ifxmips_port_clear_stoff(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_STOFF + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) & ~(1 << pin),
+		IFXMIPS_GPIO_P0_STOFF + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_clear_stoff);
 
 int
-ifxmips_port_set_dir_out (unsigned int port, unsigned int pin)
+ifxmips_port_set_dir_out(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_DIR + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) | (1 << pin),
+		IFXMIPS_GPIO_P0_DIR + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_set_dir_out);
 
 int
-ifxmips_port_set_dir_in (unsigned int port, unsigned int pin)
+ifxmips_port_set_dir_in(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_DIR + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) & ~(1 << pin),
+		IFXMIPS_GPIO_P0_DIR + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_set_dir_in);
 
 int
-ifxmips_port_set_output (unsigned int port, unsigned int pin)
+ifxmips_port_set_output(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_OUT + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) | (1 << pin),
+		IFXMIPS_GPIO_P0_OUT + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_set_output);
 
 int
-ifxmips_port_clear_output (unsigned int port, unsigned int pin)
+ifxmips_port_clear_output(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_OUT + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) & ~(1 << pin),
+		IFXMIPS_GPIO_P0_OUT + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_clear_output);
 
 int
-ifxmips_port_get_input (unsigned int port, unsigned int pin)
+ifxmips_port_get_input(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-
 	if (ifxmips_r32(IFXMIPS_GPIO_P0_IN + (port * 0xC)) & (1 << pin))
 		return 0;
 	else
@@ -224,54 +213,56 @@ ifxmips_port_get_input (unsigned int port, unsigned int pin)
 EXPORT_SYMBOL(ifxmips_port_get_input);
 
 int
-ifxmips_port_set_altsel0 (unsigned int port, unsigned int pin)
+ifxmips_port_set_altsel0(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) | (1 << pin),
+		IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_set_altsel0);
 
 int
-ifxmips_port_clear_altsel0 (unsigned int port, unsigned int pin)
+ifxmips_port_clear_altsel0(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) & ~(1 << pin),
+		IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_clear_altsel0);
 
 int
-ifxmips_port_set_altsel1 (unsigned int port, unsigned int pin)
+ifxmips_port_set_altsel1(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) | (1 << pin),
+		IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_set_altsel1);
 
 int
-ifxmips_port_clear_altsel1 (unsigned int port, unsigned int pin)
+ifxmips_port_clear_altsel1(unsigned int port, unsigned int pin)
 {
     IFXMIPS_GPIO_SANITY;
-	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC));
-
+	ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) & ~(1 << pin),
+		IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC));
 	return 0;
 }
 EXPORT_SYMBOL(ifxmips_port_clear_altsel1);
 
 #ifdef CONFIG_IFXMIPS_GPIO_RST_BTN
-static inline void add_msg(struct sk_buff *skb, char *msg)
+static inline void
+add_msg(struct sk_buff *skb, char *msg)
 {
 	char *scratch;
 	scratch = skb_put(skb, strlen(msg) + 1);
 	sprintf(scratch, msg);
 }
 
-static void hotplug_button(struct work_struct *wq)
+static void
+hotplug_button(struct work_struct *wq)
 {
 	struct sk_buff *skb;
 	struct event_t *event;
@@ -280,21 +271,17 @@ static void hotplug_button(struct work_struct *wq)
 	char buf[128];
 
 	event = container_of(wq, struct event_t, wq);
-	if (!uevent_sock)
+	if(!uevent_sock)
 		goto done;
 
-	/* allocate message with the maximum possible size */
 	s = event->set ? "pressed" : "released";
 	len = strlen(s) + 2;
 	skb = alloc_skb(len + 2048, GFP_KERNEL);
-	if (!skb)
+	if(!skb)
 		goto done;
 
-	/* add header */
 	scratch = skb_put(skb, len);
 	sprintf(scratch, "%s@",s);
-
-	/* copy keys to our continuous event payload buffer */
 	add_msg(skb, "HOME=/");
 	add_msg(skb, "PATH=/sbin:/bin:/usr/sbin:/usr/bin");
 	add_msg(skb, "SUBSYSTEM=button");
@@ -307,12 +294,12 @@ static void hotplug_button(struct work_struct *wq)
 
 	NETLINK_CB(skb).dst_group = 1;
 	netlink_broadcast(uevent_sock, skb, 0, 1, GFP_KERNEL);
-
 done:
 	kfree(event);
 }
 
-static void reset_button_poll(unsigned long unused)
+static void
+reset_button_poll(unsigned long unused)
 {
 	struct event_t *event;
 
@@ -325,7 +312,7 @@ static void reset_button_poll(unsigned long unused)
 			pressed = 0;
 		else
 			pressed = 1;
-		printk("button was %s\n", (pressed ? "pressed" : "released"));
+		printk("reset button was %s\n", (pressed ? "pressed" : "released"));
 		event = (struct event_t *) kzalloc(sizeof(struct event_t), GFP_ATOMIC);
 		if (!event)
 		{
@@ -342,39 +329,30 @@ static void reset_button_poll(unsigned long unused)
 #endif
 
 static int
-ifxmips_gpio_probe (struct platform_device *dev)
+ifxmips_gpio_probe(struct platform_device *dev)
 {
 	int retval = 0;
 
-	sema_init (&port_sem, 1);
-
 #ifdef CONFIG_IFXMIPS_GPIO_RST_BTN
 	ifxmips_port_set_open_drain(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN);
 	ifxmips_port_clear_altsel0(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN);
 	ifxmips_port_clear_altsel1(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN);
 	ifxmips_port_set_dir_in(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN);
-
 	seen = jiffies;
-
 	init_timer(&rst_button_timer);
 	rst_button_timer.function = reset_button_poll;
 	rst_button_timer.expires = jiffies + HZ;
 	add_timer(&rst_button_timer);
 #endif
-
-	printk(KERN_INFO DRVNAME ": device successfully initialized #%d.\n", ifxmips_gpio_major);
-
 	return retval;
 }
 
 static int
-ifxmips_gpio_remove (struct platform_device *pdev)
+ifxmips_gpio_remove(struct platform_device *pdev)
 {
 #ifdef CONFIG_IFXMIPS_GPIO_RST_BTN
 	del_timer_sync(&rst_button_timer);
 #endif
-	unregister_chrdev(ifxmips_gpio_major, DRVNAME);
-
 	return 0;
 }
 
@@ -383,22 +361,22 @@ platform_driver ifxmips_gpio_driver = {
 	.probe = ifxmips_gpio_probe,
 	.remove = ifxmips_gpio_remove,
 	.driver = {
-		.name = DRVNAME,
+		.name = "ifxmips_gpio",
 		.owner = THIS_MODULE,
 	},
 };
 
 int __init
-ifxmips_gpio_init (void)
+ifxmips_gpio_init(void)
 {
 	int ret = platform_driver_register(&ifxmips_gpio_driver);
 	if (ret)
-		printk(KERN_INFO DRVNAME ": Error registering platfom driver!");
+		printk(KERN_INFO "ifxmips_gpio : Error registering platfom driver!");
 	return ret;
 }
 
 void __exit
-ifxmips_gpio_exit (void)
+ifxmips_gpio_exit(void)
 {
 	platform_driver_unregister(&ifxmips_gpio_driver);
 }
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/gptu.c b/target/linux/ifxmips/files/arch/mips/ifxmips/gptu.c
index 28424d045..738f42003 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/gptu.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/gptu.c
@@ -817,7 +817,7 @@ ifxmips_gptu_init(void)
 }
 
 void __exit
-ifxmips_gptu_exit (void)
+ifxmips_gptu_exit(void)
 {
 	unsigned int i;
 
@@ -827,9 +827,7 @@ ifxmips_gptu_exit (void)
 			disable_irq (timer_dev.timer[i].irq);
 		free_irq(timer_dev.timer[i].irq, &timer_dev.timer[i]);
 	}
-
 	ifxmips_disable_gptu();
-
 	misc_deregister(&gptu_miscdev);
 }
 
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/interrupt.c b/target/linux/ifxmips/files/arch/mips/ifxmips/interrupt.c
index c30a7830c..e7557cef6 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/interrupt.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/interrupt.c
@@ -1,6 +1,4 @@
 /*
- *   arch/mips/ifxmips/interrupt.c
- *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 2 of the License, or
@@ -16,12 +14,7 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
  *   Copyright (C) 2005 Wu Qi Ming infineon
- *
- *   Rewrite of Infineon IFXMips code, thanks to infineon for the support,
- *   software and hardware
- *
  *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
- *
  */
 
 #include <linux/init.h>
@@ -37,17 +30,16 @@
 #include <asm/ifxmips/ifxmips_irq.h>
 #include <asm/irq_cpu.h>
 
-
 void
-disable_ifxmips_irq (unsigned int irq_nr)
+ifxmips_disable_irq(unsigned int irq_nr)
 {
 	int i;
 	u32 *ifxmips_ier = IFXMIPS_ICU_IM0_IER;
 
 	irq_nr -= INT_NUM_IRQ0;
-	for (i = 0; i <= 4; i++)
+	for(i = 0; i <= 4; i++)
 	{
-		if (irq_nr < INT_NUM_IM_OFFSET){
+		if(irq_nr < INT_NUM_IM_OFFSET){
 			ifxmips_w32(ifxmips_r32(ifxmips_ier) & ~(1 << irq_nr ), ifxmips_ier);
 			return;
 		}
@@ -55,19 +47,19 @@ disable_ifxmips_irq (unsigned int irq_nr)
 		irq_nr -= INT_NUM_IM_OFFSET;
 	}
 }
-EXPORT_SYMBOL (disable_ifxmips_irq);
+EXPORT_SYMBOL(ifxmips_disable_irq);
 
 void
-mask_and_ack_ifxmips_irq (unsigned int irq_nr)
+ifxmips_mask_and_ack_irq(unsigned int irq_nr)
 {
 	int i;
 	u32 *ifxmips_ier = IFXMIPS_ICU_IM0_IER;
 	u32 *ifxmips_isr = IFXMIPS_ICU_IM0_ISR;
 
 	irq_nr -= INT_NUM_IRQ0;
-	for (i = 0; i <= 4; i++)
+	for(i = 0; i <= 4; i++)
 	{
-		if (irq_nr < INT_NUM_IM_OFFSET)
+		if(irq_nr < INT_NUM_IM_OFFSET)
 		{
 			ifxmips_w32(ifxmips_r32(ifxmips_ier) & ~(1 << irq_nr ), ifxmips_ier);
 			ifxmips_w32((1 << irq_nr ), ifxmips_isr);
@@ -78,18 +70,18 @@ mask_and_ack_ifxmips_irq (unsigned int irq_nr)
 		irq_nr -= INT_NUM_IM_OFFSET;
 	}
 }
-EXPORT_SYMBOL (mask_and_ack_ifxmips_irq);
+EXPORT_SYMBOL(ifxmips_mask_and_ack_irq);
 
 void
-enable_ifxmips_irq (unsigned int irq_nr)
+ifxmips_enable_irq(unsigned int irq_nr)
 {
 	int i;
 	u32 *ifxmips_ier = IFXMIPS_ICU_IM0_IER;
 
 	irq_nr -= INT_NUM_IRQ0;
-	for (i = 0; i <= 4; i++)
+	for(i = 0; i <= 4; i++)
 	{
-		if (irq_nr < INT_NUM_IM_OFFSET)
+		if(irq_nr < INT_NUM_IM_OFFSET)
 		{
 			ifxmips_w32(ifxmips_r32(ifxmips_ier) | (1 << irq_nr ), ifxmips_ier);
 			return;
@@ -98,78 +90,79 @@ enable_ifxmips_irq (unsigned int irq_nr)
 		irq_nr -= INT_NUM_IM_OFFSET;
 	}
 }
-EXPORT_SYMBOL (enable_ifxmips_irq);
+EXPORT_SYMBOL(ifxmips_enable_irq);
 
 static unsigned int
-startup_ifxmips_irq (unsigned int irq)
+ifxmips_startup_irq(unsigned int irq)
 {
-	enable_ifxmips_irq (irq);
+	ifxmips_enable_irq(irq);
 	return 0;
 }
 
 static void
-end_ifxmips_irq (unsigned int irq)
+ifxmips_end_irq(unsigned int irq)
 {
-	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-		enable_ifxmips_irq (irq);
+	if(!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+		ifxmips_enable_irq (irq);
 }
 
-static struct hw_interrupt_type ifxmips_irq_type = {
+static struct hw_interrupt_type
+ifxmips_irq_type = {
 	"IFXMIPS",
-	.startup = startup_ifxmips_irq,
-	.enable = enable_ifxmips_irq,
-	.disable = disable_ifxmips_irq,
-	.unmask = enable_ifxmips_irq,
-	.ack = end_ifxmips_irq,
-	.mask = disable_ifxmips_irq,
-	.mask_ack = mask_and_ack_ifxmips_irq,
-	.end = end_ifxmips_irq,
+	.startup = ifxmips_startup_irq,
+	.enable = ifxmips_enable_irq,
+	.disable = ifxmips_disable_irq,
+	.unmask = ifxmips_enable_irq,
+	.ack = ifxmips_end_irq,
+	.mask = ifxmips_disable_irq,
+	.mask_ack = ifxmips_mask_and_ack_irq,
+	.end = ifxmips_end_irq,
 };
 
 static inline int
 ls1bit32(unsigned long x)
 {
 	__asm__ (
-		"       .set    push                                    \n"
-		"       .set    mips32                                  \n"
-		"       clz     %0, %1                                  \n"
-		"       .set    pop                                     \n"
+		".set push \n"
+		".set mips32 \n"
+		"clz %0, %1 \n"
+		".set pop \n"
 		: "=r" (x)
 		: "r" (x));
-
-		return 31 - x;
+	return 31 - x;
 }
 
 void
-ifxmips_hw_irqdispatch (int module)
+ifxmips_hw_irqdispatch(int module)
 {
 	u32 irq;
 
 	irq = ifxmips_r32(IFXMIPS_ICU_IM0_IOSR + (module * IFXMIPS_ICU_OFFSET));
-	if (irq == 0)
+	if(irq == 0)
 		return;
 
-	irq = ls1bit32 (irq);
-	do_IRQ ((int) irq + INT_NUM_IM0_IRL0 + (INT_NUM_IM_OFFSET * module));
+	irq = ls1bit32(irq);
+	do_IRQ((int)irq + INT_NUM_IM0_IRL0 + (INT_NUM_IM_OFFSET * module));
 
-	if ((irq == 22) && (module == 0)){
+	if((irq == 22) && (module == 0)){
 		ifxmips_w32(ifxmips_r32(IFXMIPS_EBU_PCC_ISTAT) | 0x10, IFXMIPS_EBU_PCC_ISTAT);
 	}
 }
 
 asmlinkage void
-plat_irq_dispatch (void)
+plat_irq_dispatch(void)
 {
 	unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
 	unsigned int i;
 
-	if (pending & CAUSEF_IP7){
+	if(pending & CAUSEF_IP7)
+	{
 		do_IRQ(MIPS_CPU_TIMER_IRQ);
 		goto out;
 	} else {
-		for (i = 0; i < 5; i++)
+		for(i = 0; i < 5; i++)
 		{
-			if (pending & (CAUSEF_IP2 << i))
+			if(pending & (CAUSEF_IP2 << i))
 			{
 				ifxmips_hw_irqdispatch(i);
 				goto out;
@@ -182,7 +175,8 @@ out:
 	return;
 }
 
-static struct irqaction cascade = {
+static struct irqaction
+cascade = {
 	.handler = no_action,
 	.flags = IRQF_DISABLED,
 	.name = "cascade",
@@ -193,27 +187,16 @@ arch_init_irq(void)
 {
 	int i;
 
-	for (i = 0; i < 5; i++)
-	{
+	for(i = 0; i < 5; i++)
 		ifxmips_w32(0, IFXMIPS_ICU_IM0_IER + (i * IFXMIPS_ICU_OFFSET));
-	}
 
 	mips_cpu_irq_init();
 
-	for (i = 2; i <= 6; i++)
-	{
+	for(i = 2; i <= 6; i++)
 		setup_irq(i, &cascade);
-	}
 
-	for (i = INT_NUM_IRQ0; i <= (INT_NUM_IRQ0 + (5 * INT_NUM_IM_OFFSET)); i++)
-	{
-#if 0
-		irq_desc[i].status = IRQ_DISABLED;
-		irq_desc[i].action = NULL;
-		irq_desc[i].depth = 1;
-#endif
+	for(i = INT_NUM_IRQ0; i <= (INT_NUM_IRQ0 + (5 * INT_NUM_IM_OFFSET)); i++)
 		set_irq_chip_and_handler(i, &ifxmips_irq_type, handle_level_irq);
-	}
 
-	set_c0_status (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5);
+	set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5);
 }
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/pmu.c b/target/linux/ifxmips/files/arch/mips/ifxmips/pmu.c
index 080656fd8..2831182ab 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/pmu.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/pmu.c
@@ -1,6 +1,4 @@
 /*
- *   arch/mips/ifxmips/pmu.c
- *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 2 of the License, or
@@ -16,7 +14,6 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
  *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
- *
  */
 
 #include <linux/kernel.h>
@@ -25,7 +22,7 @@
 #include <asm/ifxmips/ifxmips.h>
 
 void
-ifxmips_pmu_enable (unsigned int module)
+ifxmips_pmu_enable(unsigned int module)
 {
 	int err = 1000000;
 
@@ -38,7 +35,7 @@ ifxmips_pmu_enable (unsigned int module)
 EXPORT_SYMBOL(ifxmips_pmu_enable);
 
 void
-ifxmips_pmu_disable (unsigned int module)
+ifxmips_pmu_disable(unsigned int module)
 {
 	ifxmips_w32(ifxmips_r32(IFXMIPS_PMU_PWDCR) | module, IFXMIPS_PMU_PWDCR);
 }
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c b/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c
index 41e111c69..010d488ae 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c
@@ -1,6 +1,4 @@
 /*
- *   arch/mips/ifxmips/prom.c
- *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 2 of the License, or
@@ -16,12 +14,7 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
  *   Copyright (C) 2005 Wu Qi Ming infineon
- *
- *   Rewrite of Infineon IFXMips code, thanks to infineon for the support,
- *   software and hardware
- *
  *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
- *
  */
 
 #include <linux/init.h>
@@ -29,10 +22,9 @@
 #include <asm/bootinfo.h>
 #include <asm/ifxmips/ifxmips.h>
 
-
 static char buf[1024];
-u32 *prom_cp1_base = NULL;
-u32 prom_cp1_size = 0;
+unsigned int *prom_cp1_base = NULL;
+unsigned int prom_cp1_size = 0;
 
 void
 prom_free_prom_memory(void)
@@ -62,17 +54,15 @@ prom_printf(const char * fmt, ...)
 	buf_end = buf + l;
 
 	for(p = buf; p < buf_end; p++)
-	{
 		prom_putchar(*p);
-	}
 }
 
-u32 *prom_get_cp1_base(void)
+unsigned int *prom_get_cp1_base(void)
 {
 	return prom_cp1_base;
 }
 
-u32 prom_get_cp1_size(void)
+unsigned int prom_get_cp1_size(void)
 {
 	return prom_cp1_size;
 }
@@ -117,13 +107,15 @@ prom_init(void)
 
 	prom_cp1_size = 2;
 	memsize -= prom_cp1_size;
-	prom_cp1_base = (u32*)(0xA0000000 + (memsize * 1024 * 1024));
+	prom_cp1_base = (unsigned int*)(0xA0000000 + (memsize * 1024 * 1024));
 
-	prom_printf(KERN_INFO "Using %dMB Ram and reserving %dMB for cp1\n", memsize, prom_cp1_size);
+	prom_printf(KERN_INFO "Using %dMB Ram and reserving %dMB for cp1\n",
+		memsize, prom_cp1_size);
 	memsize *= 1024 * 1024;
 
 	if(!*arcs_cmdline)
-		strcpy(&(arcs_cmdline[0]), "console=ttyS0,115200 rootfstype=squashfs,jffs2 init=/etc/preinit");
+		strcpy(&(arcs_cmdline[0]),
+			"console=ttyS0,115200 rootfstype=squashfs,jffs2 init=/etc/preinit");
 
 	add_memory_region(0x00000000, memsize, BOOT_MEM_RAM);
 }
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/reset.c b/target/linux/ifxmips/files/arch/mips/ifxmips/reset.c
index 1b2aef327..d94d8ac81 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/reset.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/reset.c
@@ -1,6 +1,4 @@
 /*
- *   arch/mips/ifxmips/prom.c
- *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 2 of the License, or
@@ -15,13 +13,7 @@
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
- *   Copyright (C) 2005 infineon
- *
- *   Rewrite of Infineon IFXMips code, thanks to infineon for the support,
- *   software and hardware
- *
  *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
- *
  */
 
 #include <linux/kernel.h>
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c b/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c
index 19b6c307d..7093b7f7e 100644
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c
@@ -1,6 +1,4 @@
 /*
- *   arch/mips/ifxmips/setup.c
- *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 2 of the License, or
@@ -16,12 +14,7 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
  *   Copyright (C) 2004 peng.liu@infineon.com 
- *
- *   Rewrite of Infineon IFXMips code, thanks to infineon for the support,
- *   software and hardware
- *
  *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
- *
  */
 
 #include <linux/init.h>
@@ -30,26 +23,21 @@
 #include <asm/traps.h>
 #include <asm/cpu.h>
 #include <asm/irq.h>
+#include <asm/bootinfo.h>
 #include <asm/ifxmips/ifxmips.h>
 #include <asm/ifxmips/ifxmips_irq.h>
 #include <asm/ifxmips/ifxmips_pmu.h>
+#include <asm/ifxmips/ifxmips_prom.h>
 
-static unsigned int r4k_offset; /* Amount to increment compare reg each time */
-static unsigned int r4k_cur;    /* What counter should be at next timer irq */
-
-extern void ifxmips_reboot_setup (void);
-void prom_printf (const char * fmt, ...);
+static unsigned int r4k_offset;
+static unsigned int r4k_cur;
 
-void
-__init bus_error_init (void)
-{
-		/* nothing yet */
-}
+extern void ifxmips_reboot_setup(void);
 
 unsigned int
-ifxmips_get_ddr_hz (void)
+ifxmips_get_ddr_hz(void)
 {
-	switch (ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3)
+	switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3)
 	{
 	case 0:
 		return CLOCK_167M;
@@ -63,10 +51,10 @@ ifxmips_get_ddr_hz (void)
 EXPORT_SYMBOL(ifxmips_get_ddr_hz);
 
 unsigned int
-ifxmips_get_cpu_hz (void)
+ifxmips_get_cpu_hz(void)
 {
 	unsigned int ddr_clock = ifxmips_get_ddr_hz();
-	switch (ifxmips_r32(IFXMIPS_CGU_SYS) & 0xc)
+	switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0xc)
 	{
 	case 0:
 		return CLOCK_333M;
@@ -78,25 +66,24 @@ ifxmips_get_cpu_hz (void)
 EXPORT_SYMBOL(ifxmips_get_cpu_hz);
 
 unsigned int
-ifxmips_get_fpi_hz (void)
+ifxmips_get_fpi_hz(void)
 {
 	unsigned int ddr_clock = ifxmips_get_ddr_hz();
-	if (ifxmips_r32(IFXMIPS_CGU_SYS) & 0x40)
-	{
+	if(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x40)
 		return ddr_clock >> 1;
-	}
 	return ddr_clock;
 }
 EXPORT_SYMBOL(ifxmips_get_fpi_hz);
 
 unsigned int
-ifxmips_get_cpu_ver (void)
+ifxmips_get_cpu_ver(void)
 {
 	return ifxmips_r32(IFXMIPS_MCD_CHIPID) & 0xFFFFF000;
 }
 EXPORT_SYMBOL(ifxmips_get_cpu_ver);
 
-static __inline__ u32 get_counter_resolution(void)
+static __inline__ u32
+ifxmips_get_counter_resolution(void)
 {
 	u32 res;
 	__asm__ __volatile__(
@@ -123,9 +110,9 @@ ifxmips_be_handler(struct pt_regs *regs, int is_fixup)
 }
 
 void __init
-plat_time_init (void)
+plat_time_init(void)
 {
-	mips_hpt_frequency = ifxmips_get_cpu_hz()/get_counter_resolution();
+	mips_hpt_frequency = ifxmips_get_cpu_hz() / ifxmips_get_counter_resolution();
 	r4k_cur = (read_c0_count() + r4k_offset);
 	write_c0_compare(r4k_cur);
 	ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_GPT | IFXMIPS_PMU_PWDCR_FPI);
@@ -136,23 +123,17 @@ plat_time_init (void)
 	ifxmips_w32(0x80C0, IFXMIPS_GPTU_GPT_T6CON);
 }
 
-extern const char* get_system_type (void);
-
-//void (*board_time_init)(void);
 void __init
-plat_mem_setup (void)
+plat_mem_setup(void)
 {
 	u32 status;
 	prom_printf("This %s has a cpu rev of 0x%X\n", get_system_type(), ifxmips_get_cpu_ver());
 
-	//TODO WHY ???
-	/* clear RE bit*/
 	status = read_c0_status();
 	status &= (~(1<<25));
 	write_c0_status(status);
 
 	ifxmips_reboot_setup();
-//	board_time_init = ifxmips_time_init;
 	board_be_handler = &ifxmips_be_handler;
 
 	ioport_resource.start = IOPORT_RESOURCE_START;