Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm: (45 commits)
  [ARM] 3389/1: typo and grammar fix
  [ARM] 3386/1: AT91RM9200 Clock update
  [ARM] 3384/1: AT91RM9200: Timer
  [ARM] 3382/1: ixp2000: unify defconfigs
  [ARM] 3381/1: ixp2000: fix slowport write timing control register fields
  [ARM] 3380/1: ixp2000: simplify ixdp2x00_master_npu() check
  [ARM] 3379/1: ixp2000: use generic 8250 debug macros
  [ARM] 3378/1: ixp2000: fix gpio interrupt handling
  [ARM] Quieten spurious IRQ detection
  [ARM] Use kcalloc to allocate counter_config array rather than kmalloc
  [ARM] Oprofile: dynamically allocate counter_config
  [ARM] Oprofile: Convert semaphore to mutex
  [ARM] 3376/2: S3C2410 - update defconfig
  [ARM] 3375/1: S3C2440 - fix osiris machine build
  [ARM] 3374/1: ep93xx: gpio interrupt support
  [ARM] 3361/1: S3C24XX - add USB bus clock source
  [ARM] 3360/1: S3C2440 - add set rate methods and camera clock
  [ARM] 3359/1: S3C24XX - add support for clk_set_rate
  [ARM] Convert kmalloc+memset to kzalloc
  [ARM] 3373/1: move uengine loader to arch/arm/common
  ...

Documentation/arm/Samsung-S3C24XX/Overview.txt

@@ -10,6 +10,8 @@ Introduction
   by the 's3c2410' architecture of ARM Linux. Currently the S3C2410 and
   the S3C2440 are supported CPUs.
 
+  Support for the S3C2400 series is in progress.
+
 
 Configuration
 -------------
@@ -32,6 +34,11 @@ Machines
     A general purpose development board, see EB2410ITX.txt for further
     details
 
+  Simtec Electronics IM2440D20 (Osiris)
+
+    CPU Module from Simtec Electronics, with a S3C2440A CPU, nand flash
+    and a PCMCIA controller.
+
   Samsung SMDK2410
 
     Samsung's own development board, geared for PDA work.
@@ -85,6 +92,26 @@ Adding New Machines
   mailing list information.
 
 
+I2C
+---
+
+  The hardware I2C core in the CPU is supported in single master
+  mode, and can be configured via platform data.
+
+
+RTC
+---
+
+  Support for the onboard RTC unit, including alarm function.
+
+
+Watchdog
+--------
+
+  The onchip watchdog is available via the standard watchdog
+  interface.
+
+
 NAND
 ----
 
@@ -121,6 +148,15 @@ Clock Management
   various clock units
 
 
+Suspend to RAM
+--------------
+
+  For boards that provide support for suspend to RAM, the
+  system can be placed into low power suspend.
+
+  See Suspend.txt for more information.
+
+
 Platform Data
 -------------
 
@@ -158,6 +194,7 @@ Platform Data
 	exported outside arch/arm/mach-s3c2410/, or exported to
 	modules via EXPORT_SYMBOL() and related functions.
 
+
 Port Contributors
 -----------------
 
@@ -188,8 +225,11 @@ Document Changes
   08 Mar 2005 - BJD - Added LCVR to list of people, updated introduction
   08 Mar 2005 - BJD - Added section on adding machines
   09 Sep 2005 - BJD - Added section on platform data
+  11 Feb 2006 - BJD - Added I2C, RTC and Watchdog sections
+  11 Feb 2006 - BJD - Added Osiris machine, and S3C2400 information
+
 
 Document Author
 ---------------
 
-Ben Dooks, (c) 2004-2005 Simtec Electronics
+Ben Dooks, (c) 2004-2005,2006 Simtec Electronics

arch/arm/Kconfig

@@ -108,6 +108,13 @@ config ARCH_EBSA110
 	  Ethernet interface, two PCMCIA sockets, two serial ports and a
 	  parallel port.
 
+config ARCH_EP93XX
+	bool "EP93xx-based"
+	select ARM_AMBA
+	select ARM_VIC
+	help
+	  This enables support for the Cirrus EP93xx series of CPUs.
+
 config ARCH_FOOTBRIDGE
 	bool "FootBridge"
 	select FOOTBRIDGE
@@ -250,6 +257,8 @@ endchoice
 
 source "arch/arm/mach-clps711x/Kconfig"
 
+source "arch/arm/mach-ep93xx/Kconfig"
+
 source "arch/arm/mach-footbridge/Kconfig"
 
 source "arch/arm/mach-integrator/Kconfig"
@@ -434,6 +443,13 @@ config NO_IDLE_HZ
 	  Currently at least OMAP, PXA2xx and SA11x0 platforms are known
 	  to have accurate timekeeping with dynamic tick.
 
+config HZ
+	int
+	default 128 if ARCH_L7200
+	default 200 if ARCH_EBSA110 || ARCH_S3C2410
+	default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
+	default 100
+
 config AEABI
 	bool "Use the ARM EABI to compile the kernel"
 	help

arch/arm/Makefile

@@ -105,6 +105,7 @@ endif
  machine-$(CONFIG_ARCH_AAEC2000)   := aaec2000
  machine-$(CONFIG_ARCH_REALVIEW)   := realview
  machine-$(CONFIG_ARCH_AT91RM9200) := at91rm9200
+ machine-$(CONFIG_ARCH_EP93XX)     := ep93xx
 
 ifeq ($(CONFIG_ARCH_EBSA110),y)
 # This is what happens if you forget the IOCS16 line.

arch/arm/common/Makefile

@@ -15,3 +15,4 @@ obj-$(CONFIG_SHARP_LOCOMO)	+= locomo.o
 obj-$(CONFIG_SHARP_PARAM)	+= sharpsl_param.o
 obj-$(CONFIG_SHARPSL_PM)	+= sharpsl_pm.o
 obj-$(CONFIG_SHARP_SCOOP)	+= scoop.o
+obj-$(CONFIG_ARCH_IXP2000)	+= uengine.o

arch/arm/common/dmabounce.c

@@ -5,7 +5,7 @@
  *  limited DMA windows. These functions utilize bounce buffers to
  *  copy data to/from buffers located outside the DMA region. This
  *  only works for systems in which DMA memory is at the bottom of
- *  RAM and the remainder of memory is at the top an the DMA memory
+ *  RAM, the remainder of memory is at the top and the DMA memory
  *  can be marked as ZONE_DMA. Anything beyond that such as discontigous
  *  DMA windows will require custom implementations that reserve memory
  *  areas at early bootup.

arch/arm/common/locomo.c

@@ -60,7 +60,7 @@ struct locomo {
 	unsigned long phys;
 	unsigned int irq;
 	spinlock_t lock;
-	void *base;
+	void __iomem *base;
 };
 
 struct locomo_dev_info {
@@ -162,7 +162,7 @@ static void locomo_handler(unsigned int irq, struct irqdesc *desc,
 {
 	int req, i;
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	/* Acknowledge the parent IRQ */
 	desc->chip->ack(irq);
@@ -189,7 +189,7 @@ static void locomo_ack_irq(unsigned int irq)
 
 static void locomo_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_ICR);
 	r &= ~(0x0010 << (irq - LOCOMO_IRQ_START));
@@ -198,7 +198,7 @@ static void locomo_mask_irq(unsigned int irq)
 
 static void locomo_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_ICR);
 	r |= (0x0010 << (irq - LOCOMO_IRQ_START));
@@ -215,7 +215,7 @@ static void locomo_key_handler(unsigned int irq, struct irqdesc *desc,
 			    struct pt_regs *regs)
 {
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	if (locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC) & 0x0001) {
 		d = irq_desc + LOCOMO_IRQ_KEY_START;
@@ -225,7 +225,7 @@ static void locomo_key_handler(unsigned int irq, struct irqdesc *desc,
 
 static void locomo_key_ack_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
 	r &= ~(0x0100 << (irq - LOCOMO_IRQ_KEY_START));
@@ -234,7 +234,7 @@ static void locomo_key_ack_irq(unsigned int irq)
 
 static void locomo_key_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
 	r &= ~(0x0010 << (irq - LOCOMO_IRQ_KEY_START));
@@ -243,7 +243,7 @@ static void locomo_key_mask_irq(unsigned int irq)
 
 static void locomo_key_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
 	r |= (0x0010 << (irq - LOCOMO_IRQ_KEY_START));
@@ -261,7 +261,7 @@ static void locomo_gpio_handler(unsigned int irq, struct irqdesc *desc,
 {
 	int req, i;
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	req = 	locomo_readl(mapbase + LOCOMO_GIR) &
 		locomo_readl(mapbase + LOCOMO_GPD) &
@@ -280,7 +280,7 @@ static void locomo_gpio_handler(unsigned int irq, struct irqdesc *desc,
 
 static void locomo_gpio_ack_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_GWE);
 	r |= (0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
@@ -297,7 +297,7 @@ static void locomo_gpio_ack_irq(unsigned int irq)
 
 static void locomo_gpio_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_GIE);
 	r &= ~(0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
@@ -306,7 +306,7 @@ static void locomo_gpio_mask_irq(unsigned int irq)
 
 static void locomo_gpio_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_GIE);
 	r |= (0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
@@ -323,7 +323,7 @@ static void locomo_lt_handler(unsigned int irq, struct irqdesc *desc,
 			   struct pt_regs *regs)
 {
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	if (locomo_readl(mapbase + LOCOMO_LTINT) & 0x0001) {
 		d = irq_desc + LOCOMO_IRQ_LT_START;
@@ -333,7 +333,7 @@ static void locomo_lt_handler(unsigned int irq, struct irqdesc *desc,
 
 static void locomo_lt_ack_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_LTINT);
 	r &= ~(0x0100 << (irq - LOCOMO_IRQ_LT_START));
@@ -342,7 +342,7 @@ static void locomo_lt_ack_irq(unsigned int irq)
 
 static void locomo_lt_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_LTINT);
 	r &= ~(0x0010 << (irq - LOCOMO_IRQ_LT_START));
@@ -351,7 +351,7 @@ static void locomo_lt_mask_irq(unsigned int irq)
 
 static void locomo_lt_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_LTINT);
 	r |= (0x0010 << (irq - LOCOMO_IRQ_LT_START));
@@ -369,7 +369,7 @@ static void locomo_spi_handler(unsigned int irq, struct irqdesc *desc,
 {
 	int req, i;
 	struct irqdesc *d;
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 
 	req = locomo_readl(mapbase + LOCOMO_SPIIR) & 0x000F;
 	if (req) {
@@ -386,7 +386,7 @@ static void locomo_spi_handler(unsigned int irq, struct irqdesc *desc,
 
 static void locomo_spi_ack_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_SPIWE);
 	r |= (0x0001 << (irq - LOCOMO_IRQ_SPI_START));
@@ -403,7 +403,7 @@ static void locomo_spi_ack_irq(unsigned int irq)
 
 static void locomo_spi_mask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_SPIIE);
 	r &= ~(0x0001 << (irq - LOCOMO_IRQ_SPI_START));
@@ -412,7 +412,7 @@ static void locomo_spi_mask_irq(unsigned int irq)
 
 static void locomo_spi_unmask_irq(unsigned int irq)
 {
-	void *mapbase = get_irq_chipdata(irq);
+	void __iomem *mapbase = get_irq_chipdata(irq);
 	unsigned int r;
 	r = locomo_readl(mapbase + LOCOMO_SPIIE);
 	r |= (0x0001 << (irq - LOCOMO_IRQ_SPI_START));
@@ -428,7 +428,7 @@ static struct irqchip locomo_spi_chip = {
 static void locomo_setup_irq(struct locomo *lchip)
 {
 	int irq;
-	void *irqbase = lchip->base;
+	void __iomem *irqbase = lchip->base;
 
 	/*
 	 * Install handler for IRQ_LOCOMO_HW.
@@ -501,12 +501,11 @@ locomo_init_one_child(struct locomo *lchip, struct locomo_dev_info *info)
 	struct locomo_dev *dev;
 	int ret;
 
-	dev = kmalloc(sizeof(struct locomo_dev), GFP_KERNEL);
+	dev = kzalloc(sizeof(struct locomo_dev), GFP_KERNEL);
 	if (!dev) {
 		ret = -ENOMEM;
 		goto out;
 	}
-	memset(dev, 0, sizeof(struct locomo_dev));
 
 	strncpy(dev->dev.bus_id,info->name,sizeof(dev->dev.bus_id));
 	/*
@@ -664,12 +663,10 @@ __locomo_probe(struct device *me, struct resource *mem, int irq)
 	unsigned long r;
 	int i, ret = -ENODEV;
 
-	lchip = kmalloc(sizeof(struct locomo), GFP_KERNEL);
+	lchip = kzalloc(sizeof(struct locomo), GFP_KERNEL);
 	if (!lchip)
 		return -ENOMEM;
 
-	memset(lchip, 0, sizeof(struct locomo));
-
 	spin_lock_init(&lchip->lock);
 
 	lchip->dev = me;

arch/arm/common/sa1111.c

@@ -26,6 +26,7 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/dma-mapping.h>
+#include <linux/clk.h>
 
 #include <asm/hardware.h>
 #include <asm/mach-types.h>
@@ -36,10 +37,6 @@
 
 #include <asm/hardware/sa1111.h>
 
-#ifdef CONFIG_ARCH_PXA
-#include <asm/arch/pxa-regs.h>
-#endif
-
 extern void __init sa1110_mb_enable(void);
 
 /*
@@ -51,6 +48,7 @@ extern void __init sa1110_mb_enable(void);
  */
 struct sa1111 {
 	struct device	*dev;
+	struct clk	*clk;
 	unsigned long	phys;
 	int		irq;
 	spinlock_t	lock;
@@ -451,19 +449,7 @@ static void sa1111_wake(struct sa1111 *sachip)
 
 	spin_lock_irqsave(&sachip->lock, flags);
 
-#ifdef CONFIG_ARCH_SA1100
-	/*
-	 * First, set up the 3.6864MHz clock on GPIO 27 for the SA-1111:
-	 * (SA-1110 Developer's Manual, section 9.1.2.1)
-	 */
-	GAFR |= GPIO_32_768kHz;
-	GPDR |= GPIO_32_768kHz;
-	TUCR = TUCR_3_6864MHz;
-#elif CONFIG_ARCH_PXA
-	pxa_gpio_mode(GPIO11_3_6MHz_MD);
-#else
-#error missing clock setup
-#endif
+	clk_enable(sachip->clk);
 
 	/*
 	 * Turn VCO on, and disable PLL Bypass.
@@ -555,12 +541,11 @@ sa1111_init_one_child(struct sa1111 *sachip, struct resource *parent,
 	struct sa1111_dev *dev;
 	int ret;
 
-	dev = kmalloc(sizeof(struct sa1111_dev), GFP_KERNEL);
+	dev = kzalloc(sizeof(struct sa1111_dev), GFP_KERNEL);
 	if (!dev) {
 		ret = -ENOMEM;
 		goto out;
 	}
-	memset(dev, 0, sizeof(struct sa1111_dev));
 
 	snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id),
 		 "%4.4lx", info->offset);
@@ -635,11 +620,15 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq)
 	unsigned int has_devs, val;
 	int i, ret = -ENODEV;
 
-	sachip = kmalloc(sizeof(struct sa1111), GFP_KERNEL);
+	sachip = kzalloc(sizeof(struct sa1111), GFP_KERNEL);
 	if (!sachip)
 		return -ENOMEM;
 
-	memset(sachip, 0, sizeof(struct sa1111));
+	sachip->clk = clk_get(me, "GPIO27_CLK");
+	if (!sachip->clk) {
+		ret = PTR_ERR(sachip->clk);
+		goto err_free;
+	}
 
 	spin_lock_init(&sachip->lock);
 
@@ -656,7 +645,7 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq)
 	sachip->base = ioremap(mem->start, PAGE_SIZE * 2);
 	if (!sachip->base) {
 		ret = -ENOMEM;
-		goto out;
+		goto err_clkput;
 	}
 
 	/*
@@ -666,7 +655,7 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq)
 	if ((id & SKID_ID_MASK) != SKID_SA1111_ID) {
 		printk(KERN_DEBUG "SA1111 not detected: ID = %08lx\n", id);
 		ret = -ENODEV;
-		goto unmap;
+		goto err_unmap;
 	}
 
 	printk(KERN_INFO "SA1111 Microprocessor Companion Chip: "
@@ -726,9 +715,11 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq)
 
 	return 0;
 
- unmap:
+ err_unmap:
 	iounmap(sachip->base);
- out:
+ err_clkput:
+	clk_put(sachip->clk);
+ err_free:
 	kfree(sachip);
 	return ret;
 }
@@ -751,6 +742,8 @@ static void __sa1111_remove(struct sa1111 *sachip)
 	sa1111_writel(0, irqbase + SA1111_WAKEEN0);
 	sa1111_writel(0, irqbase + SA1111_WAKEEN1);
 
+	clk_disable(sachip->clk);
+
 	if (sachip->irq != NO_IRQ) {
 		set_irq_chained_handler(sachip->irq, NULL);
 		set_irq_data(sachip->irq, NULL);
@@ -759,6 +752,7 @@ static void __sa1111_remove(struct sa1111 *sachip)
 	}
 
 	iounmap(sachip->base);
+	clk_put(sachip->clk);
 	kfree(sachip);
 }
 
@@ -857,6 +851,8 @@ static int sa1111_suspend(struct platform_device *dev, pm_message_t state)
 	sa1111_writel(0, sachip->base + SA1111_SKPWM0);
 	sa1111_writel(0, sachip->base + SA1111_SKPWM1);
 
+	clk_disable(sachip->clk);
+
 	spin_unlock_irqrestore(&sachip->lock, flags);
 
 	return 0;

arch/arm/common/scoop.c

@@ -132,12 +132,10 @@ int __init scoop_probe(struct platform_device *pdev)
 	if (!mem)
 		return -EINVAL;
 
-	devptr = kmalloc(sizeof(struct scoop_dev), GFP_KERNEL);
-
+	devptr = kzalloc(sizeof(struct scoop_dev), GFP_KERNEL);
 	if (!devptr)
-		return  -ENOMEM;
+		return -ENOMEM;
 
-	memset(devptr, 0, sizeof(struct scoop_dev));
 	spin_lock_init(&devptr->scoop_lock);
 
 	inf = pdev->dev.platform_data;

arch/arm/mach-ixp2000/uengine.c → arch/arm/common/uengine.c

@@ -19,7 +19,7 @@
 #include <linux/string.h>
 #include <asm/hardware.h>
 #include <asm/arch/ixp2000-regs.h>
-#include <asm/arch/uengine.h>
+#include <asm/hardware/uengine.h>
 #include <asm/io.h>
 
 #define USTORE_ADDRESS			0x000

arch/arm/common/vic.c

@@ -22,22 +22,21 @@
 #include <linux/list.h>
 
 #include <asm/io.h>
-#include <asm/irq.h>
 #include <asm/mach/irq.h>
 #include <asm/hardware/vic.h>
 
-static void __iomem *vic_base;
-
 static void vic_mask_irq(unsigned int irq)
 {
-	irq -= IRQ_VIC_START;
-	writel(1 << irq, vic_base + VIC_INT_ENABLE_CLEAR);
+	void __iomem *base = get_irq_chipdata(irq);
+	irq &= 31;
+	writel(1 << irq, base + VIC_INT_ENABLE_CLEAR);
 }
 
 static void vic_unmask_irq(unsigned int irq)
 {
-	irq -= IRQ_VIC_START;
-	writel(1 << irq, vic_base + VIC_INT_ENABLE);
+	void __iomem *base = get_irq_chipdata(irq);
+	irq &= 31;
+	writel(1 << irq, base + VIC_INT_ENABLE);
 }
 
 static struct irqchip vic_chip = {
@@ -46,43 +45,49 @@ static struct irqchip vic_chip = {
 	.unmask	= vic_unmask_irq,
 };
 
-void __init vic_init(void __iomem *base, u32 vic_sources)
+/**
+ * vic_init - initialise a vectored interrupt controller
+ * @base: iomem base address
+ * @irq_start: starting interrupt number, must be muliple of 32
+ * @vic_sources: bitmask of interrupt sources to allow
+ */
+void __init vic_init(void __iomem *base, unsigned int irq_start,
+		     u32 vic_sources)
 {
 	unsigned int i;
 
-	vic_base = base;
-
 	/* Disable all interrupts initially. */
 
-	writel(0, vic_base + VIC_INT_SELECT);
-	writel(0, vic_base + VIC_INT_ENABLE);
-	writel(~0, vic_base + VIC_INT_ENABLE_CLEAR);
-	writel(0, vic_base + VIC_IRQ_STATUS);
-	writel(0, vic_base + VIC_ITCR);
-	writel(~0, vic_base + VIC_INT_SOFT_CLEAR);
+	writel(0, base + VIC_INT_SELECT);
+	writel(0, base + VIC_INT_ENABLE);
+	writel(~0, base + VIC_INT_ENABLE_CLEAR);
+	writel(0, base + VIC_IRQ_STATUS);
+	writel(0, base + VIC_ITCR);
+	writel(~0, base + VIC_INT_SOFT_CLEAR);
 
 	/*
 	 * Make sure we clear all existing interrupts
 	 */
-	writel(0, vic_base + VIC_VECT_ADDR);
+	writel(0, base + VIC_VECT_ADDR);
 	for (i = 0; i < 19; i++) {
 		unsigned int value;
 
-		value = readl(vic_base + VIC_VECT_ADDR);
-		writel(value, vic_base + VIC_VECT_ADDR);
+		value = readl(base + VIC_VECT_ADDR);
+		writel(value, base + VIC_VECT_ADDR);
 	}
 
 	for (i = 0; i < 16; i++) {
-		void __iomem *reg = vic_base + VIC_VECT_CNTL0 + (i * 4);
+		void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4);
 		writel(VIC_VECT_CNTL_ENABLE | i, reg);
 	}
 
-	writel(32, vic_base + VIC_DEF_VECT_ADDR);
+	writel(32, base + VIC_DEF_VECT_ADDR);
 
 	for (i = 0; i < 32; i++) {
-		unsigned int irq = IRQ_VIC_START + i;
+		unsigned int irq = irq_start + i;
 
 		set_irq_chip(irq, &vic_chip);
+		set_irq_chipdata(irq, base);
 
 		if (vic_sources & (1 << i)) {
 			set_irq_handler(irq, do_level_IRQ);

arch/arm/configs/ixdp2400_defconfig → arch/arm/configs/ixp2000_defconfig

 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.14-git13
-# Thu Nov 10 15:14:13 2005
+# Linux kernel version: 2.6.16-rc2
+# Wed Feb  8 04:49:11 2006
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
-CONFIG_UID16=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 
@@ -29,27 +28,31 @@ CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_BSD_PROCESS_ACCT_V3 is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
-# CONFIG_HOTPLUG is not set
-CONFIG_KOBJECT_UEVENT=y
 # CONFIG_IKCONFIG is not set
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_UID16=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_EMBEDDED=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+# CONFIG_HOTPLUG is not set
 CONFIG_PRINTK=y
 CONFIG_BUG=y
+CONFIG_ELF_CORE=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
-CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SHMEM=y
 CONFIG_CC_ALIGN_FUNCTIONS=0
 CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
+CONFIG_SLAB=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
+CONFIG_OBSOLETE_INTERMODULE=y
 
 #
 # Loadable module support
@@ -104,6 +107,7 @@ CONFIG_ARCH_IXP2000=y
 # CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_H720X is not set
 # CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_AT91RM9200 is not set
 CONFIG_ARCH_SUPPORTS_BIG_ENDIAN=y
 
 #
@@ -113,12 +117,13 @@ CONFIG_ARCH_SUPPORTS_BIG_ENDIAN=y
 #
 # IXP2400/2800 Platforms
 #
-# CONFIG_ARCH_ENP2611 is not set
+CONFIG_ARCH_ENP2611=y
 CONFIG_ARCH_IXDP2400=y
-# CONFIG_ARCH_IXDP2800 is not set
+CONFIG_ARCH_IXDP2800=y
 CONFIG_ARCH_IXDP2X00=y
-# CONFIG_ARCH_IXDP2401 is not set
-# CONFIG_ARCH_IXDP2801 is not set
+CONFIG_ARCH_IXDP2401=y
+CONFIG_ARCH_IXDP2801=y
+CONFIG_ARCH_IXDP2X01=y
 # CONFIG_IXP2000_SUPPORT_BROKEN_PCI_IO is not set
 
 #
@@ -141,7 +146,6 @@ CONFIG_XSCALE_PMU=y
 #
 # Bus support
 #
-CONFIG_ISA_DMA_API=y
 CONFIG_PCI=y
 CONFIG_PCI_LEGACY_PROC=y
 # CONFIG_PCI_DEBUG is not set
@@ -156,6 +160,7 @@ CONFIG_PCI_LEGACY_PROC=y
 #
 # CONFIG_PREEMPT is not set
 # CONFIG_NO_IDLE_HZ is not set
+# CONFIG_AEABI is not set
 # CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
@@ -198,6 +203,7 @@ CONFIG_BINFMT_ELF=y
 # Power management options
 #
 # CONFIG_PM is not set
+# CONFIG_APM is not set
 
 #
 # Networking
@@ -243,6 +249,11 @@ CONFIG_TCP_CONG_BIC=y
 # SCTP Configuration (EXPERIMENTAL)
 #
 # CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_VLAN_8021Q is not set
@@ -260,7 +271,6 @@ CONFIG_TCP_CONG_BIC=y
 # QoS and/or fair queueing
 #
 # CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
 
 #
 # Network testing
@@ -283,6 +293,11 @@ CONFIG_STANDALONE=y
 # CONFIG_FW_LOADER is not set
 # CONFIG_DEBUG_DRIVER is not set
 
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+
 #
 # Memory Technology Devices (MTD)
 #
@@ -331,6 +346,7 @@ CONFIG_MTD_CFI_UTIL=y
 # CONFIG_MTD_RAM is not set
 # CONFIG_MTD_ROM is not set
 # CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_OBSOLETE_CHIPS is not set
 # CONFIG_MTD_XIP is not set
 
 #
@@ -466,6 +482,7 @@ CONFIG_NET_PCI=y
 # CONFIG_ADAPTEC_STARFIRE is not set
 # CONFIG_B44 is not set
 # CONFIG_FORCEDETH is not set
+CONFIG_CS89x0=y
 # CONFIG_DGRS is not set
 CONFIG_EEPRO100=y
 # CONFIG_E100 is not set
@@ -486,12 +503,14 @@ CONFIG_EEPRO100=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
 # CONFIG_E1000 is not set
+CONFIG_ENP2611_MSF_NET=y
 # CONFIG_NS83820 is not set
 # CONFIG_HAMACHI is not set
 # CONFIG_YELLOWFIN is not set
 # CONFIG_R8169 is not set
 # CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
+# CONFIG_SKY2 is not set
 # CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 # CONFIG_TIGON3 is not set
@@ -595,7 +614,8 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 #
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=1
+CONFIG_SERIAL_8250_NR_UARTS=3
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 # CONFIG_SERIAL_8250_EXTENDED is not set
 
 #
@@ -603,7 +623,6 @@ CONFIG_SERIAL_8250_NR_UARTS=1
 #
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
-# CONFIG_SERIAL_JSM is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
@@ -704,6 +723,12 @@ CONFIG_SENSORS_EEPROM=y
 # CONFIG_I2C_DEBUG_BUS is not set
 # CONFIG_I2C_DEBUG_CHIP is not set
 
+#
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+
 #
 # Hardware Monitoring support
 #
@@ -738,6 +763,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_VIA686A is not set
+# CONFIG_SENSORS_VT8231 is not set
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83792D is not set
 # CONFIG_SENSORS_W83L785TS is not set
@@ -813,6 +839,7 @@ CONFIG_FS_MBCACHE=y
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
 # CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
 CONFIG_INOTIFY=y
@@ -844,6 +871,7 @@ CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_RELAYFS_FS is not set
+# CONFIG_CONFIGFS_FS is not set
 
 #
 # Miscellaneous filesystems
@@ -912,6 +940,7 @@ CONFIG_MSDOS_PARTITION=y
 # CONFIG_SGI_PARTITION is not set
 # CONFIG_ULTRIX_PARTITION is not set
 # CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
 # CONFIG_EFI_PARTITION is not set
 
 #
@@ -928,12 +957,13 @@ CONFIG_MSDOS_PARTITION=y
 # Kernel hacking
 #
 # CONFIG_PRINTK_TIME is not set
-CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
+CONFIG_DEBUG_MUTEXES=y
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
@@ -942,6 +972,7 @@ CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_FS is not set
 # CONFIG_DEBUG_VM is not set
 CONFIG_FRAME_POINTER=y
+CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_WAITQ is not set

arch/arm/configs/s3c2410_defconfig

 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc2
-# Mon Feb  6 11:17:23 2006
+# Linux kernel version: 2.6.16
+# Mon Mar 20 20:36:02 2006
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
@@ -12,7 +12,6 @@ CONFIG_GENERIC_CALIBRATE_DELAY=y
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 
@@ -87,6 +86,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
 # CONFIG_ARCH_CLPS711X is not set
 # CONFIG_ARCH_CO285 is not set
 # CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
 # CONFIG_ARCH_FOOTBRIDGE is not set
 # CONFIG_ARCH_INTEGRATOR is not set
 # CONFIG_ARCH_IOP3XX is not set
@@ -111,6 +111,7 @@ CONFIG_ARCH_S3C2410=y
 # S3C24XX Implementations
 #
 CONFIG_MACH_ANUBIS=y
+CONFIG_MACH_OSIRIS=y
 CONFIG_ARCH_BAST=y
 CONFIG_BAST_PC104_IRQ=y
 CONFIG_ARCH_H1940=y
@@ -175,6 +176,7 @@ CONFIG_ISA=y
 #
 # CONFIG_PREEMPT is not set
 # CONFIG_NO_IDLE_HZ is not set
+CONFIG_HZ=200
 # CONFIG_AEABI is not set
 # CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
 CONFIG_SELECT_MEMORY_MODEL=y
@@ -230,6 +232,7 @@ CONFIG_NET=y
 #
 # Networking options
 #
+# CONFIG_NETDEBUG is not set
 # CONFIG_PACKET is not set
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
@@ -364,7 +367,6 @@ CONFIG_MTD_CFI_UTIL=y
 CONFIG_MTD_ROM=y
 # CONFIG_MTD_ABSENT is not set
 # CONFIG_MTD_OBSOLETE_CHIPS is not set
-# CONFIG_MTD_XIP is not set
 
 #
 # Mapping drivers for chip access
@@ -431,6 +433,7 @@ CONFIG_PARPORT_1284=y
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
 CONFIG_BLK_DEV_NBD=m
+# CONFIG_BLK_DEV_UB is not set
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
@@ -623,7 +626,6 @@ CONFIG_SERIAL_NONSTANDARD=y
 # CONFIG_MOXA_SMARTIO is not set
 # CONFIG_ISI is not set
 # CONFIG_SYNCLINKMP is not set
-# CONFIG_SYNCLINK_GT is not set
 # CONFIG_N_HDLC is not set
 # CONFIG_RISCOM8 is not set
 # CONFIG_SPECIALIX is not set
@@ -686,6 +688,11 @@ CONFIG_S3C2410_WATCHDOG=y
 # CONFIG_PCWATCHDOG is not set
 # CONFIG_MIXCOMWD is not set
 # CONFIG_WDT is not set
+
+#
+# USB-based Watchdog Cards
+#
+# CONFIG_USBPCWATCHDOG is not set
 # CONFIG_NVRAM is not set
 # CONFIG_RTC is not set
 CONFIG_S3C2410_RTC=y
@@ -750,6 +757,11 @@ CONFIG_SENSORS_EEPROM=m
 # CONFIG_SPI is not set
 # CONFIG_SPI_MASTER is not set
 
+#
+# Dallas's 1-wire bus
+#
+# CONFIG_W1 is not set
+
 #
 # Hardware Monitoring support
 #
@@ -763,6 +775,7 @@ CONFIG_HWMON_VID=m
 # CONFIG_SENSORS_ASB100 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
+# CONFIG_SENSORS_F71805F is not set
 # CONFIG_SENSORS_FSCHER is not set
 # CONFIG_SENSORS_FSCPOS is not set
 # CONFIG_SENSORS_GL518SM is not set
@@ -850,16 +863,138 @@ CONFIG_FONT_8x16=y
 #
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
-# CONFIG_USB is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+# CONFIG_USB_BANDWIDTH is not set
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_SUSPEND is not set
+# CONFIG_USB_OTG is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_ISP116X_HCD is not set
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+# CONFIG_USB_SL811_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
 
+#
+# may also be needed; see USB_STORAGE Help for more information
+#
+# CONFIG_USB_STORAGE is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Input Devices
+#
+# CONFIG_USB_HID is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+# CONFIG_USB_KBD is not set
+# CONFIG_USB_MOUSE is not set
+# CONFIG_USB_AIPTEK is not set
+# CONFIG_USB_WACOM is not set
+# CONFIG_USB_ACECAD is not set
+# CONFIG_USB_KBTAB is not set
+# CONFIG_USB_POWERMATE is not set
+# CONFIG_USB_MTOUCH is not set
+# CONFIG_USB_ITMTOUCH is not set
+# CONFIG_USB_EGALAX is not set
+# CONFIG_USB_YEALINK is not set
+# CONFIG_USB_XPAD is not set
+# CONFIG_USB_ATI_REMOTE is not set
+# CONFIG_USB_ATI_REMOTE2 is not set
+# CONFIG_USB_KEYSPAN_REMOTE is not set
+# CONFIG_USB_APPLETOUCH is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+
+#
+# USB Multimedia devices
+#
+# CONFIG_USB_DABUSB is not set
+
+#
+# Video4Linux support is needed for USB Multimedia device support
+#
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+CONFIG_USB_MON=y
+
+#
+# USB port drivers
+#
+# CONFIG_USB_USS720 is not set
+
+#
+# USB Serial Converter support
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGETKIT is not set
+# CONFIG_USB_PHIDGETSERVO is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TEST is not set
+
+#
+# USB DSL modem support
+#
+
 #
 # USB Gadget Support
 #
 # CONFIG_USB_GADGET is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA2XX is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+# CONFIG_USB_ZERO is not set
+# CONFIG_USB_ETH is not set
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
 
 #
 # MMC/SD Card support

arch/arm/kernel/apm.c

@@ -357,10 +357,8 @@ static int apm_open(struct inode * inode, struct file * filp)
 {
 	struct apm_user *as;
 
-	as = (struct apm_user *)kmalloc(sizeof(*as), GFP_KERNEL);
+	as = (struct apm_user *)kzalloc(sizeof(*as), GFP_KERNEL);
 	if (as) {
-		memset(as, 0, sizeof(*as));
-
 		/*
 		 * XXX - this is a tiny bit broken, when we consider BSD
 		 * process accounting. If the device is opened by root, we

arch/arm/kernel/bios32.c

@@ -540,12 +540,10 @@ static void __init pcibios_init_hw(struct hw_pci *hw)
 	int nr, busnr;
 
 	for (nr = busnr = 0; nr < hw->nr_controllers; nr++) {
-		sys = kmalloc(sizeof(struct pci_sys_data), GFP_KERNEL);
+		sys = kzalloc(sizeof(struct pci_sys_data), GFP_KERNEL);
 		if (!sys)
 			panic("PCI: unable to allocate sys data!");
 
-		memset(sys, 0, sizeof(struct pci_sys_data));
-
 		sys->hw      = hw;
 		sys->busnr   = busnr;
 		sys->swizzle = hw->swizzle;

arch/arm/kernel/debug.S

@@ -11,7 +11,6 @@
  */
 #include <linux/config.h>
 #include <linux/linkage.h>
-#include <asm/hardware.h>
 
 		.text
 

arch/arm/kernel/ecard.c

@@ -807,14 +807,12 @@ static struct expansion_card *__init ecard_alloc_card(int type, int slot)
 	unsigned long base;
 	int i;
 
-	ec = kmalloc(sizeof(ecard_t), GFP_KERNEL);
+	ec = kzalloc(sizeof(ecard_t), GFP_KERNEL);
 	if (!ec) {
 		ec = ERR_PTR(-ENOMEM);
 		goto nomem;
 	}
 
-	memset(ec, 0, sizeof(ecard_t));
-
 	ec->slot_no = slot;
 	ec->type = type;
 	ec->irq = NO_IRQ;

arch/arm/kernel/entry-armv.S

@@ -484,7 +484,6 @@ call_fpe:
 	movcss	r7, r5, lsr #(TIF_USING_IWMMXT + 1)
 	bcs	iwmmxt_task_enable
 #endif
-	enable_irq
 	add	pc, pc, r8, lsr #6
 	mov	r0, r0
 
@@ -511,6 +510,7 @@ call_fpe:
 	mov	pc, lr				@ CP#15 (Control)
 
 do_fpe:
+	enable_irq
 	ldr	r4, .LCfp
 	add	r10, r10, #TI_FPSTATE		@ r10 = workspace
 	ldr	pc, [r4]			@ Call FP module USR entry point

arch/arm/kernel/head.S

@@ -28,10 +28,9 @@
 #define PROCINFO_INITFUNC	12
 
 #define MACHINFO_TYPE		0
-#define MACHINFO_PHYSRAM	4
-#define MACHINFO_PHYSIO		8
-#define MACHINFO_PGOFFIO	12
-#define MACHINFO_NAME		16
+#define MACHINFO_PHYSIO		4
+#define MACHINFO_PGOFFIO	8
+#define MACHINFO_NAME		12
 
 #define KERNEL_RAM_ADDR	(PAGE_OFFSET + TEXT_OFFSET)
 

arch/arm/kernel/irq.c

@@ -305,14 +305,19 @@ report_bad_irq(unsigned int irq, struct pt_regs *regs, struct irqdesc *desc, int
 	static int count = 100;
 	struct irqaction *action;
 
-	if (!count || noirqdebug)
+	if (noirqdebug)
 		return;
 
-	count--;
-
 	if (ret != IRQ_HANDLED && ret != IRQ_NONE) {
+		if (!count)
+			return;
+		count--;
 		printk("irq%u: bogus retval mask %x\n", irq, ret);
 	} else {
+		desc->irqs_unhandled++;
+		if (desc->irqs_unhandled <= 99900)
+			return;
+		desc->irqs_unhandled = 0;
 		printk("irq%u: nobody cared\n", irq);
 	}
 	show_regs(regs);

arch/arm/lib/io-acorn.S

@@ -12,7 +12,6 @@
  */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/hardware.h>
 
 		.text
 		.align

arch/arm/mach-at91rm9200/time.c

@@ -71,11 +71,11 @@ static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id, struct pt_r
 	if (at91_sys_read(AT91_ST_SR) & AT91_ST_PITS) {	/* This is a shared interrupt */
 		write_seqlock(&xtime_lock);
 
-		do {
+		while (((read_CRTR() - at91_sys_read(AT91_ST_RTAR)) & AT91_ST_ALMV) >= LATCH) {
 			timer_tick(regs);
 			rtar = (at91_sys_read(AT91_ST_RTAR) + LATCH) & AT91_ST_ALMV;
 			at91_sys_write(AT91_ST_RTAR, rtar);
-		} while (((read_CRTR() - at91_sys_read(AT91_ST_RTAR)) & AT91_ST_ALMV) >= LATCH);
+		}
 
 		write_sequnlock(&xtime_lock);