Merge bk://bk.arm.linux.org.uk/linux-2.6-rmk

into ppc970.osdl.org:/home/torvalds/v2.6/linux

CREDITS

@@ -2936,10 +2936,10 @@ S: 03600 Karkkila
 S: Finland
 
 N: Deepak Saxena
-E: deepak@csociety.purdue.edu
+E: dsaxena@plexity.net
 D: I2O kernel layer (config, block, core, pci, net). I2O disk support for LILO
-D: XScale(IOP310) porting
-S: Tempe, Arizona
+D: XScale(IOP, IXP) porting and other random ARM bits
+S: Portland, OR
 
 N: Eric Schenk
 E: Eric.Schenk@dna.lth.se

MAINTAINERS

@@ -1988,6 +1988,20 @@ L:	linux-visws-devel@lists.sf.net
 W:	http://linux-visws.sf.net
 S:	Maintained for 2.6.
 
+SIMTEC EB110ATX (Chalice CATS)
+P:	Ben Dooks
+P:	Vincent Sanders
+M:	support@simtec.co.uk
+W:	http://www.simtec.co.uk/products/EB110ATX/
+S:	Supported
+
+SIMTEC EB2410ITX (BAST)
+P:	Ben Dooks
+P:	Vincent Sanders
+M:	support@simtec.co.uk
+W:	http://www.simtec.co.uk/products/EB2410ITX/
+S:	Supported
+
 SIS 5513 IDE CONTROLLER DRIVER
 P:	Lionel Bouton
 M:	Lionel.Bouton@inet6.fr

arch/arm/Kconfig

@@ -418,20 +418,6 @@ config XIP_PHYS_ADDR
 	  be linked for and stored to.  This address is dependent on your
 	  own flash usage.
 
-	  Please note that, if you're using MTD, you must use a flash chip
-	  that is NOT handled by MTD or the flash will be turned into non
-	  data mode for status and query purposes which will instantaneously
-	  crash the kernel.
-
-	  MTD can however be used with a XIP kernel on the same flash chip
-	  but only if the flash memory supports multiple partitions in
-	  hardware, like with the Intel K3 flash parts, and only if the
-	  kernel is not stored within the firrst hardware partition of the
-	  chip.
-
-	  In any case, make sure that MTD support is configured out for
-	  the first attempt.
-
 if (ARCH_SA1100 || ARCH_INTEGRATOR)
 
 source "drivers/cpufreq/Kconfig"

arch/arm/common/scoop.c

@@ -100,11 +100,13 @@ int __init scoop_probe(struct device *dev)
 	struct platform_device *pdev = to_platform_device(dev);
 	struct resource *mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
-	if (!mem) return -EINVAL;
+	if (!mem)
+		return -EINVAL;
 
 	inf = dev->platform_data;
 	scoop_io_base = ioremap(mem->start, 0x1000);
-	if (!scoop_io_base) return -ENOMEM;
+	if (!scoop_io_base)
+		return -ENOMEM;
 
 	SCOOP_REG(SCOOP_MCR) = 0x0140;
 

arch/arm/kernel/irq.c

@@ -32,6 +32,7 @@
 #include <linux/errno.h>
 #include <linux/list.h>
 #include <linux/kallsyms.h>
+#include <linux/proc_fs.h>
 
 #include <asm/irq.h>
 #include <asm/system.h>
@@ -85,6 +86,23 @@ static struct irqdesc bad_irq_desc = {
 	.disable_depth	= 1,
 };
 
+#ifdef CONFIG_SMP
+void synchronize_irq(unsigned int irq)
+{
+	struct irqdesc *desc = irq_desc + irq;
+
+	while (desc->running)
+		barrier();
+}
+EXPORT_SYMBOL(synchronize_irq);
+
+#define smp_set_running(desc)	do { desc->running = 1; } while (0)
+#define smp_clear_running(desc)	do { desc->running = 0; } while (0)
+#else
+#define smp_set_running(desc)	do { } while (0)
+#define smp_clear_running(desc)	do { } while (0)
+#endif
+
 /**
  *	disable_irq_nosync - disable an irq without waiting
  *	@irq: Interrupt to disable
@@ -231,6 +249,9 @@ int show_interrupts(struct seq_file *p, void *v)
 	} else if (i == NR_IRQS) {
 #ifdef CONFIG_ARCH_ACORN
 		show_fiq_list(p, v);
+#endif
+#ifdef CONFIG_SMP
+		show_ipi_list(p);
 #endif
 		seq_printf(p, "Err: %10lu\n", irq_err_count);
 	}
@@ -329,18 +350,22 @@ void
 do_simple_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
 {
 	struct irqaction *action;
-	const int cpu = smp_processor_id();
+	const unsigned int cpu = smp_processor_id();
 
 	desc->triggered = 1;
 
 	kstat_cpu(cpu).irqs[irq]++;
 
+	smp_set_running(desc);
+
 	action = desc->action;
 	if (action) {
 		int ret = __do_irq(irq, action, regs);
 		if (ret != IRQ_HANDLED)
 			report_bad_irq(irq, regs, desc, ret);
 	}
+
+	smp_clear_running(desc);
 }
 
 /*
@@ -350,7 +375,7 @@ do_simple_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
 void
 do_edge_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
 {
-	const int cpu = smp_processor_id();
+	const unsigned int cpu = smp_processor_id();
 
 	desc->triggered = 1;
 
@@ -414,7 +439,7 @@ void
 do_level_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
 {
 	struct irqaction *action;
-	const int cpu = smp_processor_id();
+	const unsigned int cpu = smp_processor_id();
 
 	desc->triggered = 1;
 
@@ -426,6 +451,8 @@ do_level_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
 	if (likely(!desc->disable_depth)) {
 		kstat_cpu(cpu).irqs[irq]++;
 
+		smp_set_running(desc);
+
 		/*
 		 * Return with this interrupt masked if no action
 		 */
@@ -440,6 +467,8 @@ do_level_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
 				   !check_irq_lock(desc, irq, regs)))
 				desc->chip->unmask(irq);
 		}
+
+		smp_clear_running(desc);
 	}
 }
 
@@ -878,8 +907,97 @@ int probe_irq_off(unsigned long irqs)
 
 EXPORT_SYMBOL(probe_irq_off);
 
+#ifdef CONFIG_SMP
+static void route_irq(struct irqdesc *desc, unsigned int irq, unsigned int cpu)
+{
+	pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->cpu, cpu);
+
+	spin_lock_irq(&irq_controller_lock);
+	desc->cpu = cpu;
+	desc->chip->set_cpu(desc, irq, cpu);
+	spin_unlock_irq(&irq_controller_lock);
+}
+
+#ifdef CONFIG_PROC_FS
+static int
+irq_affinity_read_proc(char *page, char **start, off_t off, int count,
+		       int *eof, void *data)
+{
+	struct irqdesc *desc = irq_desc + ((int)data);
+	int len = cpumask_scnprintf(page, count, desc->affinity);
+
+	if (count - len < 2)
+		return -EINVAL;
+	page[len++] = '\n';
+	page[len] = '\0';
+
+	return len;
+}
+
+static int
+irq_affinity_write_proc(struct file *file, const char __user *buffer,
+			unsigned long count, void *data)
+{
+	unsigned int irq = (unsigned int)data;
+	struct irqdesc *desc = irq_desc + irq;
+	cpumask_t affinity, tmp;
+	int ret = -EIO;
+
+	if (!desc->chip->set_cpu)
+		goto out;
+
+	ret = cpumask_parse(buffer, count, affinity);
+	if (ret)
+		goto out;
+
+	cpus_and(tmp, affinity, cpu_online_map);
+	if (cpus_empty(tmp)) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	desc->affinity = affinity;
+	route_irq(desc, irq, first_cpu(tmp));
+	ret = count;
+
+ out:
+	return ret;
+}
+#endif
+#endif
+
 void __init init_irq_proc(void)
 {
+#if defined(CONFIG_SMP) && defined(CONFIG_PROC_FS)
+	struct proc_dir_entry *dir;
+	int irq;
+
+	dir = proc_mkdir("irq", 0);
+	if (!dir)
+		return;
+
+	for (irq = 0; irq < NR_IRQS; irq++) {
+		struct proc_dir_entry *entry;
+		struct irqdesc *desc;
+		char name[16];
+
+		desc = irq_desc + irq;
+		memset(name, 0, sizeof(name));
+		snprintf(name, sizeof(name) - 1, "%u", irq);
+
+		desc->procdir = proc_mkdir(name, dir);
+		if (!desc->procdir)
+			continue;
+
+		entry = create_proc_entry("smp_affinity", 0600, desc->procdir);
+		if (entry) {
+			entry->nlink = 1;
+			entry->data = (void *)irq;
+			entry->read_proc = irq_affinity_read_proc;
+			entry->write_proc = irq_affinity_write_proc;
+		}
+	}
+#endif
 }
 
 void __init init_IRQ(void)
@@ -888,6 +1006,11 @@ void __init init_IRQ(void)
 	extern void init_dma(void);
 	int irq;
 
+#ifdef CONFIG_SMP
+	bad_irq_desc.affinity = CPU_MASK_ALL;
+	bad_irq_desc.cpu = smp_processor_id();
+#endif
+
 	for (irq = 0, desc = irq_desc; irq < NR_IRQS; irq++, desc++) {
 		*desc = bad_irq_desc;
 		INIT_LIST_HEAD(&desc->pend);

arch/arm/kernel/semaphore.c

@@ -178,7 +178,7 @@ int __down_trylock(struct semaphore * sem)
  * registers (r0 to r3 and lr), but not ip, as we use it as a return
  * value in some cases..
  */
-asm("	.section .sched.text			\n\
+asm("	.section .sched.text,\"ax\"		\n\
 	.align	5				\n\
 	.globl	__down_failed			\n\
 __down_failed:					\n\

arch/arm/kernel/smp.c

@@ -17,16 +17,16 @@
 #include <linux/profile.h>
 #include <linux/errno.h>
 #include <linux/mm.h>
+#include <linux/cpu.h>
+#include <linux/smp.h>
 #include <linux/seq_file.h>
 
 #include <asm/atomic.h>
+#include <asm/cacheflush.h>
 #include <asm/cpu.h>
 #include <asm/processor.h>
-#include <asm/smp.h>
-#include <asm/ptrace.h>
-
-#include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
+#include <asm/ptrace.h>
 
 /*
  * bitmask of present and online CPUs.
@@ -42,6 +42,7 @@ cpumask_t cpu_online_map;
  */
 struct ipi_data {
 	spinlock_t lock;
+	unsigned long ipi_count;
 	unsigned long bits;
 };
 
@@ -242,12 +243,12 @@ int smp_call_function(void (*func)(void *info), void *info, int retry,
 
 void show_ipi_list(struct seq_file *p)
 {
-	int cpu;
+	unsigned int cpu;
 
-	seq_printf(p, "IPI: ");
+	seq_puts(p, "IPI:");
 
 	for_each_online_cpu(cpu)
-		seq_printf(p, "%10lu ", per_cpu(cpu_data, cpu).ipi_count);
+		seq_printf(p, " %10lu", per_cpu(ipi_data, cpu).ipi_count);
 
 	seq_putc(p, '\n');
 }
@@ -316,12 +317,11 @@ static void ipi_cpu_stop(unsigned int cpu)
 void do_IPI(unsigned int ipimask, struct pt_regs *regs)
 {
 	unsigned int cpu = smp_processor_id();
+	struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
 
-	per_cpu(cpu_data, cpu).ipi_count++;
+	ipi->ipi_count++;
 
 	if (ipimask & (1 << 0)) {
-		struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
-
 		for (;;) {
 			unsigned long msgs;
 

arch/arm/lib/io-readsw-armv4.S

@@ -18,25 +18,14 @@
 #endif
 		.endm
 
-.insw_bad_alignment:
-		adr	r0, .insw_bad_align_msg
-		mov	r2, lr
-		b	panic
-.insw_bad_align_msg:
-		.asciz	"insw: bad buffer alignment (0x%p, lr=0x%08lX)\n"
-		.align
-
-.insw_align:	tst	r1, #1
-		bne	.insw_bad_alignment
-
-		ldrh	r3, [r0]
-		strh	r3, [r1], #2
-
-		subs	r2, r2, #1
-		RETINSTR(moveq, pc, lr)
+.insw_align:	movs	ip, r1, lsl #31
+		bne	.insw_noalign
+		ldrh	ip, [r0]
+		sub	r2, r2, #1
+		strh	ip, [r1], #2
 
 ENTRY(__raw_readsw)
-		teq	r2, #0		@ do we have to check for the zero len?
+		teq	r2, #0
 		moveq	pc, lr
 		tst	r1, #3
 		bne	.insw_align
@@ -62,14 +51,10 @@ ENTRY(__raw_readsw)
 		ldrh	lr, [r0]
 		pack	ip, ip, lr
 
-		stmia	r1!, {r3 - r5, ip}
-
 		subs	r2, r2, #8
+		stmia	r1!, {r3 - r5, ip}
 		bpl	.insw_8_lp
 
-		tst	r2, #7
-		LOADREGS(eqfd, sp!, {r4, r5, pc})
-
 .no_insw_8:	tst	r2, #4
 		beq	.no_insw_4
 
@@ -83,17 +68,63 @@ ENTRY(__raw_readsw)
 
 		stmia	r1!, {r3, r4}
 
-.no_insw_4:	tst	r2, #2
-		beq	.no_insw_2
+.no_insw_4:	movs	r2, r2, lsl #31
+		bcc	.no_insw_2
 
 		ldrh	r3, [r0]
 		ldrh	ip, [r0]
 		pack	r3, r3, ip
-
 		str	r3, [r1], #4
 
-.no_insw_2:	tst	r2, #1
-		ldrneh	r3, [r0]
+.no_insw_2:	ldrneh	r3, [r0]
 		strneh	r3, [r1]
 
-		LOADREGS(fd, sp!, {r4, r5, pc})
+		ldmfd	sp!, {r4, r5, pc}
+
+#ifdef __ARMEB__
+#define _BE_ONLY_(code...)	code
+#define _LE_ONLY_(code...)
+#define push_hbyte0		lsr #8
+#define pull_hbyte1		lsl #24
+#else
+#define _BE_ONLY_(code...)
+#define _LE_ONLY_(code...) code
+#define push_hbyte0		lsl #24
+#define pull_hbyte1		lsr #8
+#endif
+
+.insw_noalign:	stmfd	sp!, {r4, lr}
+		ldrccb	ip, [r1, #-1]!
+		bcc	1f
+
+		ldrh	ip, [r0]
+		sub	r2, r2, #1
+   _BE_ONLY_(	mov	ip, ip, ror #8		)
+		strb	ip, [r1], #1
+   _LE_ONLY_(	mov	ip, ip, lsr #8		)
+   _BE_ONLY_(	mov	ip, ip, lsr #24		)
+
+1:		subs	r2, r2, #2
+		bmi	3f
+   _BE_ONLY_(	mov	ip, ip, lsl #24		)
+
+2:		ldrh	r3, [r0]
+		ldrh	r4, [r0]
+		subs	r2, r2, #2
+		orr	ip, ip, r3, lsl #8
+		orr	ip, ip, r4, push_hbyte0
+		str	ip, [r1], #4
+		mov	ip, r4, pull_hbyte1
+		bpl	2b
+
+   _BE_ONLY_(	mov	ip, ip, lsr #24		)
+
+3:		tst	r2, #1
+		strb	ip, [r1], #1
+		ldrneh	ip, [r0]
+   _BE_ONLY_(	movne	ip, ip, ror #8		)
+		strneb	ip, [r1], #1
+   _LE_ONLY_(	movne	ip, ip, lsr #8		)
+   _BE_ONLY_(	movne	ip, ip, lsr #24		)
+		strneb	ip, [r1]
+		ldmfd	sp!, {r4, pc}

arch/arm/lib/io-writesw-armv4.S

@@ -22,27 +22,17 @@
 #endif
 		.endm
 
-.outsw_bad_alignment:
-		adr	r0, .outsw_bad_align_msg
-		mov	r2, lr
-		b	panic
-.outsw_bad_align_msg:
-		.asciz	"outsw: bad buffer alignment (0x%p, lr=0x%08lX)\n"
-		.align
-
-.outsw_align:	tst	r1, #1
-		bne	.outsw_bad_alignment
+.outsw_align:	movs	ip, r1, lsl #31
+		bne	.outsw_noalign
 
 		ldrh	r3, [r1], #2
+		sub	r2, r2, #1
 		strh	r3, [r0]
 
-		subs	r2, r2, #1
-		RETINSTR(moveq, pc, lr)
-
 ENTRY(__raw_writesw)
-		teq	r2, #0		@ do we have to check for the zero len?
+		teq	r2, #0
 		moveq	pc, lr
-		tst	r1, #3
+		ands	r3, r1, #3
 		bne	.outsw_align
 
 		stmfd	sp!, {r4, r5, lr}
@@ -51,16 +41,13 @@ ENTRY(__raw_writesw)
 		bmi	.no_outsw_8
 
 .outsw_8_lp:	ldmia	r1!, {r3, r4, r5, ip}
+		subs	r2, r2, #8
 		outword	r3
 		outword	r4
 		outword	r5
 		outword	ip
-		subs	r2, r2, #8
 		bpl	.outsw_8_lp
 
-		tst	r2, #7
-		LOADREGS(eqfd, sp!, {r4, r5, pc})
-
 .no_outsw_8:	tst	r2, #4
 		beq	.no_outsw_4
 
@@ -68,14 +55,41 @@ ENTRY(__raw_writesw)
 		outword	r3
 		outword	ip
 
-.no_outsw_4:	tst	r2, #2
-		beq	.no_outsw_2
+.no_outsw_4:	movs	r2, r2, lsl #31
+		bcc	.no_outsw_2
 
 		ldr	r3, [r1], #4
 		outword	r3
 
-.no_outsw_2:	tst	r2, #1
-		ldrneh	r3, [r1]
+.no_outsw_2:	ldrneh	r3, [r1]
 		strneh	r3, [r0]
 
-		LOADREGS(fd, sp!, {r4, r5, pc})
+		ldmfd	sp!, {r4, r5, pc}
+
+#ifdef __ARMEB__
+#define pull_hbyte0	lsl #8
+#define push_hbyte1	lsr #24
+#else
+#define pull_hbyte0	lsr #24
+#define push_hbyte1	lsl #8
+#endif
+
+.outsw_noalign:	ldr	r3, [r1, -r3]!
+		subcs	r2, r2, #1
+		bcs	2f
+		subs	r2, r2, #2
+		bmi	3f
+
+1:		mov	ip, r3, lsr #8
+		strh	ip, [r0]
+2:		mov	ip, r3, pull_hbyte0
+		ldr	r3, [r1, #4]!
+		subs	r2, r2, #2
+		orr	ip, ip, r3, push_hbyte1
+		strh	ip, [r0]
+		bpl	2b
+
+3:		tst	r2, #1
+2:		movne	ip, r3, lsr #8
+		strneh	ip, [r0]
+		mov	pc, lr

arch/arm/mach-ixp4xx/coyote-pci.c

@@ -14,6 +14,7 @@
  *
  */
 
+#include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/init.h>
 

arch/arm/mach-ixp4xx/coyote-setup.c

@@ -8,6 +8,7 @@
  * Author: Deepak Saxena <dsaxena@plexity.net>
  */
 
+#include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/device.h>
 #include <linux/serial.h>

arch/arm/mach-ixp4xx/ixdp425-pci.c

@@ -14,6 +14,7 @@
  *
  */
 
+#include <linux/kernel.h>
 #include <linux/config.h>
 #include <linux/pci.h>
 #include <linux/init.h>

arch/arm/mach-ixp4xx/ixdp425-setup.c

@@ -8,6 +8,7 @@
  * Author: Deepak Saxena <dsaxena@plexity.net>
  */
 
+#include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/device.h>
 #include <linux/serial.h>

arch/arm/mach-ixp4xx/ixdpg425-pci.c

@@ -13,6 +13,7 @@
  *
  */
 
+#include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/init.h>
 

arch/arm/mach-ixp4xx/prpmc1100-pci.c

@@ -19,6 +19,7 @@
  *
  */
 
+#include <linux/kernel.h>
 #include <linux/config.h>
 #include <linux/pci.h>
 #include <linux/init.h>

arch/arm/mach-ixp4xx/prpmc1100-setup.c

@@ -8,6 +8,7 @@
  * Author: Deepak Saxena <dsaxena@plexity.net>
  */
 
+#include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/device.h>
 #include <linux/serial.h>

arch/arm/mach-pxa/Makefile

@@ -11,7 +11,7 @@ obj-$(CONFIG_PXA27x) += pxa27x.o
 obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
 obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
 obj-$(CONFIG_ARCH_PXA_IDP) += idp.o
-obj-$(CONFIG_PXA_SHARPSL)	+= corgi.o
+obj-$(CONFIG_PXA_SHARPSL)	+= corgi.o corgi_ssp.o ssp.o
 
 # Support for blinky lights
 led-y := leds.o

arch/arm/mach-pxa/corgi.c

@@ -68,8 +68,14 @@ static struct platform_device corgiscoop_device = {
 	.resource	= corgi_scoop_resources,
 };
 
+static struct platform_device corgissp_device = {
+	.name		= "corgi-ssp",
+	.id		= -1,
+};
+
 static struct platform_device *devices[] __initdata = {
 	&corgiscoop_device,
+	&corgissp_device,
 };
 
 static struct sharpsl_flash_param_info sharpsl_flash_param;

arch/arm/mach-pxa/corgi_ssp.c

+/*
+ *  SSP control code for Sharp Corgi devices
+ *
+ *  Copyright (c) 2004 Richard Purdie
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <asm/hardware.h>
+
+#include <asm/arch/ssp.h>
+#include <asm/arch/corgi.h>
+#include <asm/arch/pxa-regs.h>
+
+static spinlock_t corgi_ssp_lock = SPIN_LOCK_UNLOCKED;
+static struct ssp_dev corgi_ssp_dev;
+static struct ssp_state corgi_ssp_state;
+
+/*
+ * There are three devices connected to the SSP interface:
+ *   1. A touchscreen controller (TI ADS7846 compatible)
+ *   2. An LCD contoller (with some Backlight functionality)
+ *   3. A battery moinitoring IC (Maxim MAX1111)
+ *
+ * Each device uses a different speed/mode of communication.
+ *
+ * The touchscreen is very sensitive and the most frequently used
+ * so the port is left configured for this.
+ *
+ * Devices are selected using Chip Selects on GPIOs.
+ */
+
+/*
+ *  ADS7846 Routines
+ */
+unsigned long corgi_ssp_ads7846_putget(ulong data)
+{
+	unsigned long ret,flag;
+
+	spin_lock_irqsave(&corgi_ssp_lock, flag);
+	GPCR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS);
+
+	ssp_write_word(&corgi_ssp_dev,data);
+	ret = ssp_read_word(&corgi_ssp_dev);
+
+	GPSR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS);
+	spin_unlock_irqrestore(&corgi_ssp_lock, flag);
+
+	return ret;
+}
+
+/*
+ * NOTE: These functions should always be called in interrupt context
+ * and use the _lock and _unlock functions. They are very time sensitive.
+ */
+void corgi_ssp_ads7846_lock(void)
+{
+	spin_lock(&corgi_ssp_lock);
+	GPCR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS);
+}
+
+void corgi_ssp_ads7846_unlock(void)
+{
+	GPSR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS);
+	spin_unlock(&corgi_ssp_lock);
+}
+
+void corgi_ssp_ads7846_put(ulong data)
+{
+	ssp_write_word(&corgi_ssp_dev,data);
+}
+
+unsigned long corgi_ssp_ads7846_get(void)
+{
+	return ssp_read_word(&corgi_ssp_dev);
+}
+
+EXPORT_SYMBOL(corgi_ssp_ads7846_putget);
+EXPORT_SYMBOL(corgi_ssp_ads7846_lock);
+EXPORT_SYMBOL(corgi_ssp_ads7846_unlock);
+EXPORT_SYMBOL(corgi_ssp_ads7846_put);
+EXPORT_SYMBOL(corgi_ssp_ads7846_get);
+
+
+/*
+ *  LCD/Backlight Routines
+ */
+unsigned long corgi_ssp_dac_put(ulong data)
+{
+	unsigned long flag;
+
+	spin_lock_irqsave(&corgi_ssp_lock, flag);
+	GPCR0 = GPIO_bit(CORGI_GPIO_LCDCON_CS);
+
+	ssp_disable(&corgi_ssp_dev);
+	ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), SSCR1_SPH, 0, SSCR0_SerClkDiv(76));
+	ssp_enable(&corgi_ssp_dev);
+
+	ssp_write_word(&corgi_ssp_dev,data);
+	/* Read null data back from device to prevent SSP overflow */
+	ssp_read_word(&corgi_ssp_dev);
+
+	ssp_disable(&corgi_ssp_dev);
+	ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(2));
+	ssp_enable(&corgi_ssp_dev);
+	GPSR0 = GPIO_bit(CORGI_GPIO_LCDCON_CS);
+	spin_unlock_irqrestore(&corgi_ssp_lock, flag);
+
+	return 0;
+}
+
+void corgi_ssp_lcdtg_send(u8 adrs, u8 data)
+{
+	corgi_ssp_dac_put(((adrs & 0x07) << 5) | (data & 0x1f));
+}
+
+void corgi_ssp_blduty_set(int duty)
+{
+	corgi_ssp_lcdtg_send(0x02,duty);
+}
+
+EXPORT_SYMBOL(corgi_ssp_lcdtg_send);
+EXPORT_SYMBOL(corgi_ssp_blduty_set);
+
+/*
+ *  Max1111 Routines
+ */
+int corgi_ssp_max1111_get(ulong data)
+{
+	unsigned long flag;
+	int voltage,voltage1,voltage2;
+
+	spin_lock_irqsave(&corgi_ssp_lock, flag);
+	GPCR0 = GPIO_bit(CORGI_GPIO_MAX1111_CS);
+	ssp_disable(&corgi_ssp_dev);
+	ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), 0, 0, SSCR0_SerClkDiv(8));
+	ssp_enable(&corgi_ssp_dev);
+
+	udelay(1);
+
+	/* TB1/RB1 */
+	ssp_write_word(&corgi_ssp_dev,data);
+	ssp_read_word(&corgi_ssp_dev); /* null read */
+
+	/* TB12/RB2 */
+	ssp_write_word(&corgi_ssp_dev,0);
+	voltage1=ssp_read_word(&corgi_ssp_dev);
+
+	/* TB13/RB3*/
+	ssp_write_word(&corgi_ssp_dev,0);
+	voltage2=ssp_read_word(&corgi_ssp_dev);
+
+	ssp_disable(&corgi_ssp_dev);
+	ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(2));
+	ssp_enable(&corgi_ssp_dev);
+	GPSR0 = GPIO_bit(CORGI_GPIO_MAX1111_CS);
+	spin_unlock_irqrestore(&corgi_ssp_lock, flag);
+
+	if (voltage1 & 0xc0 || voltage2 & 0x3f)
+		voltage = -1;
+	else
+		voltage = ((voltage1 << 2) & 0xfc) | ((voltage2 >> 6) & 0x03);
+
+	return voltage;
+}
+
+EXPORT_SYMBOL(corgi_ssp_max1111_get);
+
+/*
+ *  Support Routines
+ */
+int __init corgi_ssp_probe(struct device *dev)
+{
+	int ret;
+
+	/* Chip Select - Disable All */
+	GPDR0 |= GPIO_bit(CORGI_GPIO_LCDCON_CS); /* output */
+	GPSR0 = GPIO_bit(CORGI_GPIO_LCDCON_CS);  /* High - Disable LCD Control/Timing Gen */
+	GPDR0 |= GPIO_bit(CORGI_GPIO_MAX1111_CS); /* output */
+	GPSR0 = GPIO_bit(CORGI_GPIO_MAX1111_CS);  /* High - Disable MAX1111*/
+	GPDR0 |= GPIO_bit(CORGI_GPIO_ADS7846_CS);  /* output */
+	GPSR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS);   /* High - Disable ADS7846*/
+
+	ret=ssp_init(&corgi_ssp_dev,1);
+
+	if (ret)
+		printk(KERN_ERR "Unable to register SSP handler!\n");
+	else {
+		ssp_disable(&corgi_ssp_dev);
+		ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(2));
+		ssp_enable(&corgi_ssp_dev);
+	}
+
+	return ret;
+}
+
+static int corgi_ssp_remove(struct device *dev)
+{
+	ssp_exit(&corgi_ssp_dev);
+	return 0;
+}
+
+static int corgi_ssp_suspend(struct device *dev, u32 state, u32 level)
+{
+	if (level == SUSPEND_POWER_DOWN) {
+		ssp_save_state(&corgi_ssp_dev,&corgi_ssp_state);
+	}
+	return 0;
+}
+
+static int corgi_ssp_resume(struct device *dev, u32 level)
+{
+	if (level == RESUME_POWER_ON) {
+		GPSR0 = GPIO_bit(CORGI_GPIO_LCDCON_CS);  /* High - Disable LCD Control/Timing Gen */
+		GPSR0 = GPIO_bit(CORGI_GPIO_MAX1111_CS); /* High - Disable MAX1111*/
+		GPSR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS); /* High - Disable ADS7846*/
+		ssp_restore_state(&corgi_ssp_dev,&corgi_ssp_state);
+		ssp_enable(&corgi_ssp_dev);
+	}
+	return 0;
+}
+
+static struct device_driver corgissp_driver = {
+	.name		= "corgi-ssp",
+	.bus		= &platform_bus_type,
+	.probe		= corgi_ssp_probe,
+	.remove		= corgi_ssp_remove,
+	.suspend	= corgi_ssp_suspend,
+	.resume		= corgi_ssp_resume,
+};
+
+int __init corgi_ssp_init(void)
+{
+	return driver_register(&corgissp_driver);
+}
+
+arch_initcall(corgi_ssp_init);

arch/arm/mach-s3c2410/cpu.h

@@ -13,6 +13,7 @@
  *     24-Aug-2004 BJD  Start of generic S3C24XX support
  *     18-Oct-2004 BJD  Moved board struct into this file
  *     04-Jan-2005 BJD  New uart initialisation
+ *     10-Jan-2005 BJD  Moved generic init here, specific to cpu headers
 */
 
 #define IODESC_ENT(x) { S3C2410_VA_##x, S3C2410_PA_##x, S3C2410_SZ_##x, MT_DEVICE }
@@ -26,25 +27,9 @@
 /* forward declaration */
 struct s3c2410_uartcfg;
 
-#ifdef CONFIG_CPU_S3C2410
-extern  int s3c2410_init(void);
-extern void s3c2410_map_io(struct map_desc *mach_desc, int size);
-extern void s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-#else
-#define s3c2410_init_uarts NULL
-#define s3c2410_map_io NULL
-#define s3c2410_init NULL
-#endif
+/* core initialisation functions */
 
-#ifdef CONFIG_CPU_S3C2440
-extern  int s3c2440_init(void);
-extern void s3c2440_map_io(struct map_desc *mach_desc, int size);
-extern void s3c2440_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-#else
-#define s3c2440_init_uarts NULL
-#define s3c2440_map_io NULL
-#define s3c2440_init NULL
-#endif
+extern void s3c24xx_init_irq(void);
 
 extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
 
@@ -65,3 +50,8 @@ struct s3c24xx_board {
 };
 
 extern void s3c24xx_set_board(struct s3c24xx_board *board);
+
+/* timer for 2410/2440 */
+
+struct sys_timer;
+extern struct sys_timer s3c24xx_timer;

arch/arm/mach-s3c2410/irq.c

@@ -628,12 +628,12 @@ s3c_irq_demux_uart2(unsigned int irq,
 	s3c_irq_demux_uart(IRQ_S3CUART_RX2, regs);
 }
 
-/* s3c2410_init_irq
+/* s3c24xx_init_irq
  *
  * Initialise S3C2410 IRQ system
 */
 
-void __init s3c2410_init_irq(void)
+void __init s3c24xx_init_irq(void)
 {
 	unsigned long pend;
 	unsigned long last;

arch/arm/mach-s3c2410/mach-bast.c

@@ -20,7 +20,8 @@
  *     18-Jan-2003 BJD  Added serial port configuration
  *     05-Oct-2004 BJD  Power management code
  *     04-Nov-2004 BJD  Updated serial port clocks
- *     04-Jan-2004 BJD  New uart init call
+ *     04-Jan-2006 BJD  New uart init call
+ *     10-Jan-2005 BJD  Removed include of s3c2410.h
 */
 
 #include <linux/kernel.h>
@@ -48,7 +49,6 @@
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-mem.h>
 
-#include "s3c2410.h"
 #include "clock.h"
 #include "devs.h"
 #include "cpu.h"
@@ -270,7 +270,7 @@ void __init bast_map_io(void)
 
 void __init bast_init_irq(void)
 {
-	s3c2410_init_irq();
+	s3c24xx_init_irq();
 }
 
 #ifdef CONFIG_PM
@@ -307,5 +307,5 @@ MACHINE_START(BAST, "Simtec-BAST")
      MAPIO(bast_map_io)
      INITIRQ(bast_init_irq)
 	.init_machine	= bast_init_machine,
-     .timer		= &s3c2410_timer,
+	.timer		= &s3c24xx_timer,
 MACHINE_END

arch/arm/mach-s3c2410/mach-h1940.c

@@ -21,6 +21,7 @@
  *     18-Oct-2004 BJD  Updated new board structure name
  *     04-Nov-2004 BJD  Change for new serial clock
  *     04-Jan-2005 BJD  Updated uart init call
+ *     10-Jan-2005 BJD  Removed include of s3c2410.h
 */
 
 #include <linux/kernel.h>
@@ -45,7 +46,6 @@
 
 #include <linux/serial_core.h>
 
-#include "s3c2410.h"
 #include "clock.h"
 #include "devs.h"
 #include "cpu.h"
@@ -109,7 +109,7 @@ void __init h1940_map_io(void)
 
 void __init h1940_init_irq(void)
 {
-	s3c2410_init_irq();
+	s3c24xx_init_irq();
 
 }
 
@@ -119,5 +119,5 @@ MACHINE_START(H1940, "IPAQ-H1940")
      BOOT_PARAMS(S3C2410_SDRAM_PA + 0x100)
      MAPIO(h1940_map_io)
      INITIRQ(h1940_init_irq)
-     .timer		= &s3c2410_timer,
+	.timer		= &s3c24xx_timer,
 MACHINE_END

arch/arm/mach-s3c2410/mach-rx3715.c

@@ -12,6 +12,7 @@
  * Modifications:
  *	16-Sep-2004 BJD Copied from mach-h1940.c
  *	25-Oct-2004 BJD Updates for 2.6.10-rc1
+ *	10-Jan-2005 BJD Removed include of s3c2410.h s3c2440.h
 */
 
 #include <linux/kernel.h>
@@ -38,8 +39,6 @@
 #include <asm/arch/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 
-#include "s3c2410.h"
-#include "s3c2440.h"
 #include "clock.h"
 #include "devs.h"
 #include "cpu.h"
@@ -101,7 +100,7 @@ void __init rx3715_map_io(void)
 
 void __init rx3715_init_irq(void)
 {
-	s3c2410_init_irq();
+	s3c24xx_init_irq();
 }
 
 #ifdef CONFIG_PM
@@ -120,5 +119,5 @@ MACHINE_START(RX3715, "IPAQ-RX3715")
      MAPIO(rx3715_map_io)
      INITIRQ(rx3715_init_irq)
      INIT_MACHINE(rx3715_init_machine)
-     .timer		= &s3c2410_timer,
+	.timer		= &s3c24xx_timer,
 MACHINE_END

arch/arm/mach-s3c2410/mach-smdk2410.c

@@ -46,7 +46,6 @@
 
 #include <asm/arch/regs-serial.h>
 
-#include "s3c2410.h"
 #include "devs.h"
 #include "cpu.h"
 
@@ -104,7 +103,7 @@ void __init smdk2410_map_io(void)
 
 void __init smdk2410_init_irq(void)
 {
-	s3c2410_init_irq();
+	s3c24xx_init_irq();
 }
 
 MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switch
@@ -114,7 +113,7 @@ MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switc
      BOOT_PARAMS(S3C2410_SDRAM_PA + 0x100)
      MAPIO(smdk2410_map_io)
      INITIRQ(smdk2410_init_irq)
-     .timer		= &s3c2410_timer,
+	.timer		= &s3c24xx_timer,
 MACHINE_END
 
 

arch/arm/mach-s3c2410/mach-vr1000.c

@@ -18,7 +18,8 @@
  *     05-Apr-2004 BJD  Copied to make mach-vr1000.c
  *     18-Oct-2004 BJD  Updated board struct
  *     04-Nov-2004 BJD  Clock and serial configuration update
- *     04-Jan-2004 BJD  Updated uart init call
+ *     04-Jan-2005 BJD  Updated uart init call
+ *     10-Jan-2005 BJD  Removed include of s3c2410.h
 */
 
 #include <linux/kernel.h>
@@ -43,7 +44,6 @@
 //#include <asm/debug-ll.h>
 #include <asm/arch/regs-serial.h>
 
-#include "s3c2410.h"
 #include "clock.h"
 #include "devs.h"
 #include "cpu.h"
@@ -212,7 +212,7 @@ void __init vr1000_map_io(void)
 
 void __init vr1000_init_irq(void)
 {
-	s3c2410_init_irq();
+	s3c24xx_init_irq();
 }
 
 MACHINE_START(VR1000, "Thorcom-VR1000")
@@ -221,5 +221,5 @@ MACHINE_START(VR1000, "Thorcom-VR1000")
      BOOT_PARAMS(S3C2410_SDRAM_PA + 0x100)
      MAPIO(vr1000_map_io)
      INITIRQ(vr1000_init_irq)
-     .timer		= &s3c2410_timer,
+	.timer		= &s3c24xx_timer,
 MACHINE_END

arch/arm/mach-s3c2410/s3c2410.h

@@ -15,13 +15,19 @@
  *     04-Sep-2004 BJD  Added s3c2410_init_uarts() call
  *     17-Oct-2004 BJD  Moved board out to cpu
  *     04-Jan-2005 BJD  Changed uart init
+ *     10-Jan-2005 BJD  Removed timer to cpu.h, moved 2410 specific bits here
 */
 
-extern void s3c2410_map_io(struct map_desc *, int count);
+#ifdef CONFIG_CPU_S3C2410
 
-extern void s3c2410_init_irq(void);
+extern  int s3c2410_init(void);
 
-struct sys_timer;
-extern struct sys_timer s3c2410_timer;
+extern void s3c2410_map_io(struct map_desc *mach_desc, int size);
 
+extern void s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no);
 
+#else
+#define s3c2410_init_uarts NULL
+#define s3c2410_map_io NULL
+#define s3c2410_init NULL
+#endif

arch/arm/mach-s3c2410/s3c2440-dsc.c

 /* linux/arch/arm/mach-s3c2410/s3c2440-dsc.c
  *
- * Copyright (c) 2004 Simtec Electronics
+ * Copyright (c) 2004-2005 Simtec Electronics
  *   Ben Dooks <ben@simtec.co.uk>
  *
  * Samsung S3C2440 Drive Strength Control support
@@ -12,6 +12,7 @@
  * Modifications:
  *     29-Aug-2004 BJD  Start of drive-strength control
  *     09-Nov-2004 BJD  Added symbol export
+ *     11-Jan-2005 BJD  Include fix
 */
 
 #include <linux/kernel.h>
@@ -31,8 +32,8 @@
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-dsc.h>
 
-#include "s3c2440.h"
 #include "cpu.h"
+#include "s3c2440.h"
 
 int s3c2440_set_dsc(unsigned int pin, unsigned int value)
 {

arch/arm/mach-s3c2410/s3c2440.h

 /* arch/arm/mach-s3c2410/s3c2440.h
  *
- * Copyright (c) 2004 Simtec Electronics
+ * Copyright (c) 2004-2005 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
  *
  * Header file for s3c2440 cpu support
@@ -12,9 +12,20 @@
  * Modifications:
  *	24-Aug-2004 BJD  Start of S3C2440 CPU support
  *	04-Nov-2004 BJD  Added s3c2440_init_uarts()
- *	04-Jan-2004 BJD  Moved uart init to cpu code
+ *	04-Jan-2005 BJD  Moved uart init to cpu code
+ *	10-Jan-2005 BJD  Moved 2440 specific init here
 */
 
-extern void s3c2440_init_irq(void);
+#ifdef CONFIG_CPU_S3C2440
 
-extern void s3c2440_init_time(void);
+extern  int s3c2440_init(void);
+
+extern void s3c2440_map_io(struct map_desc *mach_desc, int size);
+
+extern void s3c2440_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+
+#else
+#define s3c2440_init_uarts NULL
+#define s3c2440_map_io NULL
+#define s3c2440_init NULL
+#endif

arch/arm/mach-s3c2410/time.c

@@ -232,7 +232,7 @@ static void __init s3c2410_timer_init (void)
 	setup_irq(IRQ_TIMER4, &s3c2410_timer_irq);
 }
 
-struct sys_timer s3c2410_timer = {
+struct sys_timer s3c24xx_timer = {
 	.init		= s3c2410_timer_init,
 	.offset		= s3c2410_gettimeoffset,
 	.resume		= s3c2410_timer_setup

include/asm-arm/arch-pxa/corgi.h

@@ -15,29 +15,31 @@
 
 
 /*
- * Corgi GPIO definitions
+ * Corgi (Non Standard) GPIO Definitions
  */
-#define CORGI_GPIO_KEY_INT			(0)	/* key interrupt */
+#define CORGI_GPIO_KEY_INT			(0)	/* Keyboard Interrupt */
 #define CORGI_GPIO_AC_IN			(1)
 #define CORGI_GPIO_WAKEUP			(3)
-#define CORGI_GPIO_AK_INT			(4)	// Remote Controller
-#define CORGI_GPIO_TP_INT			(5)	/* Touch Panel interrupt */
-#define CORGI_GPIO_nSD_CLK			(6)
+#define CORGI_GPIO_AK_INT			(4)	/* IR Controller Interrupt */
+#define CORGI_GPIO_TP_INT			(5)	/* Touch Panel Interrupt */
 #define CORGI_GPIO_nSD_WP			(7)
-#define CORGI_GPIO_nSD_DETECT		(9)
+#define CORGI_GPIO_nSD_DETECT		(9) /* MMC/SD Card Detect */
 #define CORGI_GPIO_nSD_INT			(10)
 #define CORGI_GPIO_MAIN_BAT_LOW		(11)
 #define CORGI_GPIO_BAT_COVER		(11)
 #define CORGI_GPIO_LED_ORANGE		(13)
-#define CORGI_GPIO_CF_CD			(14)
+#define CORGI_GPIO_CF_CD			(14) /* Compact Flash Card Detect */
 #define CORGI_GPIO_CHRG_FULL		(16)
-#define CORGI_GPIO_CF_IRQ			(17)
+#define CORGI_GPIO_CF_IRQ			(17) /* Compact Flash Interrupt */
+#define CORGI_GPIO_LCDCON_CS		(19) /* LCD Control Chip Select */
+#define CORGI_GPIO_MAX1111_CS		(20) /* MAX111 Chip Select */
 #define CORGI_GPIO_ADC_TEMP_ON		(21)
 #define CORGI_GPIO_IR_ON			(22)
-#define CORGI_GPIO_SD_PWR			(33)
+#define CORGI_GPIO_ADS7846_CS		(24) /* ADS7846 Chip Select */
+#define CORGI_GPIO_SD_PWR			(33) /* MMC/SD Power */
 #define CORGI_GPIO_CHRG_ON			(38)
 #define CORGI_GPIO_DISCHARGE_ON		(42)
-#define CORGI_GPIO_HSYNC			(44)
+#define CORGI_GPIO_HSYNC			(44) /* LCD HSync Pulse */
 #define CORGI_GPIO_USB_PULLUP		(45)
 
 

include/asm-arm/cpu.h

@@ -17,7 +17,6 @@ struct cpuinfo_arm {
 	struct cpu	cpu;
 #ifdef CONFIG_SMP
 	unsigned int	loops_per_jiffy;
-	unsigned long	ipi_count;
 #endif
 };
 

include/asm-arm/mach/irq.h

@@ -47,6 +47,13 @@ struct irqchip {
 	 * Set wakeup-enable on the selected IRQ
 	 */
 	int (*wake)(unsigned int, unsigned int);
+
+#ifdef CONFIG_SMP
+	/*
+	 * Route an interrupt to a CPU
+	 */
+	void (*set_cpu)(struct irqdesc *desc, unsigned int irq, unsigned int cpu);
+#endif
 };
 
 struct irqdesc {
@@ -67,6 +74,13 @@ struct irqdesc {
 	unsigned int	noautoenable : 1;	/* don't automatically enable IRQ */
 	unsigned int	unused   :25;
 
+	struct proc_dir_entry *procdir;
+
+#ifdef CONFIG_SMP
+	cpumask_t	affinity;
+	unsigned int	cpu;
+#endif
+
 	/*
 	 * IRQ lock detection
 	 */

include/asm-arm/processor.h

@@ -19,7 +19,6 @@
 
 #ifdef __KERNEL__
 
-#include <asm/atomic.h>
 #include <asm/ptrace.h>
 #include <asm/procinfo.h>
 #include <asm/types.h>

include/asm-arm/smp.h

@@ -32,6 +32,13 @@ extern cpumask_t cpu_present_mask;
  */
 #define PROC_CHANGE_PENALTY		15
 
+struct seq_file;
+
+/*
+ * generate IPI list text
+ */
+extern void show_ipi_list(struct seq_file *p);
+
 /*
  * Move global data into per-processor storage.
  */
@@ -46,6 +53,6 @@ extern void smp_cross_call(cpumask_t callmap);
  * Boot a secondary CPU, and assign it the specified idle task.
  * This also gives us the initial stack to use for this CPU.
  */
-extern int __init boot_secondary(unsigned int cpu, struct task_struct *);
+extern int boot_secondary(unsigned int cpu, struct task_struct *);
 
 #endif /* ifndef __ASM_ARM_SMP_H */

include/asm-arm/tlb.h

@@ -91,4 +91,6 @@ tlb_is_full_mm(struct mmu_gather *tlb)
 #define pte_free_tlb(tlb,ptep)		pte_free(ptep)
 #define pmd_free_tlb(tlb,pmdp)		pmd_free(pmdp)
 
+#define tlb_migrate_finish(mm)		do { } while (0)
+
 #endif