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

* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] 3914/1: [Jornada7xx] - Typo Fix in cpu-sa1110.c (b != B)
  [ARM] 3913/1: n2100: fix IRQ routing for second ethernet port
  [ARM] Add KBUILD_IMAGE target support
  [ARM] Fix suspend oops caused by PXA2xx PCMCIA driver
  [ARM] Fix i2c-pxa slave mode support
  [ARM] 3900/1: Fix VFP Division by Zero exception handling.
  [ARM] 3899/1: Fix the normalization of the denormal double precision number.
  [ARM] 3909/1: Disable UWIND_INFO for ARM (again)
  [ARM] Add __must_check to uaccess functions
  [ARM] Add realview SMP default configuration
  [ARM] Fix SMP irqflags support

arch/arm/Makefile

@@ -174,11 +174,13 @@ libs-y				:= arch/arm/lib/ $(libs-y)
 
 # Default target when executing plain make
 ifeq ($(CONFIG_XIP_KERNEL),y)
-all: xipImage
+KBUILD_IMAGE := xipImage
 else
-all: zImage
+KBUILD_IMAGE := zImage
 endif
 
+all:	$(KBUILD_IMAGE)
+
 boot := arch/arm/boot
 
 #	Update machine arch and proc symlinks if something which affects

arch/arm/kernel/smp.c

@@ -7,6 +7,7 @@
  * 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/delay.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
@@ -19,6 +20,7 @@
 #include <linux/cpu.h>
 #include <linux/smp.h>
 #include <linux/seq_file.h>
+#include <linux/irq.h>
 
 #include <asm/atomic.h>
 #include <asm/cacheflush.h>
@@ -474,25 +476,26 @@ void show_local_irqs(struct seq_file *p)
 	seq_putc(p, '\n');
 }
 
-static void ipi_timer(struct pt_regs *regs)
+static void ipi_timer(void)
 {
-	int user = user_mode(regs);
-
 	irq_enter();
-	profile_tick(CPU_PROFILING, regs);
+	profile_tick(CPU_PROFILING);
-	update_process_times(user);
+	update_process_times(user_mode(get_irq_regs()));
 	irq_exit();
 }
 
 #ifdef CONFIG_LOCAL_TIMERS
 asmlinkage void do_local_timer(struct pt_regs *regs)
 {
+	struct pt_regs *old_regs = set_irq_regs(regs);
 	int cpu = smp_processor_id();
 
 	if (local_timer_ack()) {
 		irq_stat[cpu].local_timer_irqs++;
-		ipi_timer(regs);
+		ipi_timer();
 	}
+
+	set_irq_regs(old_regs);
 }
 #endif
 
@@ -551,6 +554,7 @@ asmlinkage void do_IPI(struct pt_regs *regs)
 {
 	unsigned int cpu = smp_processor_id();
 	struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
+	struct pt_regs *old_regs = set_irq_regs(regs);
 
 	ipi->ipi_count++;
 
@@ -574,7 +578,7 @@ asmlinkage void do_IPI(struct pt_regs *regs)
 
 			switch (nextmsg) {
 			case IPI_TIMER:
-				ipi_timer(regs);
+				ipi_timer();
 				break;
 
 			case IPI_RESCHEDULE:
@@ -599,6 +603,8 @@ asmlinkage void do_IPI(struct pt_regs *regs)
 			}
 		} while (msgs);
 	}
+
+	set_irq_regs(old_regs);
 }
 
 void smp_send_reschedule(int cpu)

arch/arm/kernel/time.c

@@ -327,13 +327,12 @@ EXPORT_SYMBOL(restore_time_delta);
  */
 void timer_tick(void)
 {
-	struct pt_regs *regs = get_irq_regs();
 	profile_tick(CPU_PROFILING);
 	do_leds();
 	do_set_rtc();
 	do_timer(1);
 #ifndef CONFIG_SMP
-	update_process_times(user_mode(regs));
+	update_process_times(user_mode(get_irq_regs()));
 #endif
 }
 

arch/arm/mach-iop32x/n2100.c

@@ -85,7 +85,7 @@ n2100_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 		irq = IRQ_IOP32X_XINT0;
 	} else if (PCI_SLOT(dev->devfn) == 2) {
 		/* RTL8110SB #2 */
-		irq = IRQ_IOP32X_XINT1;
+		irq = IRQ_IOP32X_XINT3;
 	} else if (PCI_SLOT(dev->devfn) == 3) {
 		/* Sil3512 */
 		irq = IRQ_IOP32X_XINT2;

arch/arm/mach-sa1100/cpu-sa1110.c

@@ -83,7 +83,7 @@ static struct sdram_params sdram_tbl[] __initdata = {
 		.refresh	= 64000,
 		.cas_latency	= 3,
 	}, {    /* Samsung K4S281632B-1H */
-	        .name           = "K4S281632b-1H",
+	        .name           = "K4S281632B-1H",
 		.rows           = 12,
 		.tck            = 10,
 		.trp            = 20,

arch/arm/vfp/vfpdouble.c

@@ -56,7 +56,7 @@ static void vfp_double_normalise_denormal(struct vfp_double *vd)
 {
 	int bits = 31 - fls(vd->significand >> 32);
 	if (bits == 31)
-		bits = 62 - fls(vd->significand);
+		bits = 63 - fls(vd->significand);
 
 	vfp_double_dump("normalise_denormal: in", vd);
 

arch/arm/vfp/vfpmodule.c

@@ -148,6 +148,7 @@ static void vfp_raise_exceptions(u32 exceptions, u32 inst, u32 fpscr, struct pt_
 	/*
 	 * These are arranged in priority order, least to highest.
 	 */
+	RAISE(FPSCR_DZC, FPSCR_DZE, FPE_FLTDIV);
 	RAISE(FPSCR_IXC, FPSCR_IXE, FPE_FLTRES);
 	RAISE(FPSCR_UFC, FPSCR_UFE, FPE_FLTUND);
 	RAISE(FPSCR_OFC, FPSCR_OFE, FPE_FLTOVF);

drivers/i2c/busses/i2c-pxa.c

@@ -272,7 +272,8 @@ static int i2c_pxa_wait_slave(struct pxa_i2c *i2c)
 			dev_dbg(&i2c->adap.dev, "%s: %ld: ISR=%08x, ICR=%08x, IBMR=%02x\n",
 				__func__, (long)jiffies, ISR, ICR, IBMR);
 
-		if ((ISR & (ISR_UB|ISR_IBB|ISR_SAD)) == ISR_SAD ||
+		if ((ISR & (ISR_UB|ISR_IBB)) == 0 ||
+		    (ISR & ISR_SAD) != 0 ||
 		    (ICR & ICR_SCLE) == 0) {
 			if (i2c_debug > 1)
 				dev_dbg(&i2c->adap.dev, "%s: done\n", __func__);
@@ -492,7 +493,10 @@ static void i2c_pxa_slave_txempty(struct pxa_i2c *i2c, u32 isr)
 	if (isr & ISR_BED) {
 		/* what should we do here? */
 	} else {
-		int ret = i2c->slave->read(i2c->slave->data);
+		int ret = 0;
+
+		if (i2c->slave != NULL)
+			ret = i2c->slave->read(i2c->slave->data);
 
 		IDBR = ret;
 		ICR |= ICR_TB;   /* allow next byte */

drivers/pcmcia/pxa2xx_base.c

@@ -166,7 +166,7 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt,
 }
 #endif
 
-int pxa2xx_drv_pcmcia_probe(struct device *dev)
+int __pxa2xx_drv_pcmcia_probe(struct device *dev)
 {
 	int ret;
 	struct pcmcia_low_level *ops;
@@ -203,35 +203,52 @@ int pxa2xx_drv_pcmcia_probe(struct device *dev)
 
 	return ret;
 }
-EXPORT_SYMBOL(pxa2xx_drv_pcmcia_probe);
+EXPORT_SYMBOL(__pxa2xx_drv_pcmcia_probe);
 
-static int pxa2xx_drv_pcmcia_resume(struct device *dev)
+
+static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev)
 {
-	struct pcmcia_low_level *ops = dev->platform_data;
+	return __pxa2xx_drv_pcmcia_probe(&dev->dev);
+}
+
+static int pxa2xx_drv_pcmcia_remove(struct platform_device *dev)
+{
+	return soc_common_drv_pcmcia_remove(&dev->dev);
+}
+
+static int pxa2xx_drv_pcmcia_suspend(struct platform_device *dev, pm_message_t state)
+{
+	return pcmcia_socket_dev_suspend(&dev->dev, state);
+}
+
+static int pxa2xx_drv_pcmcia_resume(struct platform_device *dev)
+{
+	struct pcmcia_low_level *ops = dev->dev.platform_data;
 	int nr = ops ? ops->nr : 0;
 
 	MECR = nr > 1 ? MECR_CIT | MECR_NOS : (nr > 0 ? MECR_CIT : 0);
 
-	return pcmcia_socket_dev_resume(dev);
+	return pcmcia_socket_dev_resume(&dev->dev);
 }
 
-static struct device_driver pxa2xx_pcmcia_driver = {
+static struct platform_driver pxa2xx_pcmcia_driver = {
 	.probe		= pxa2xx_drv_pcmcia_probe,
-	.remove		= soc_common_drv_pcmcia_remove,
+	.remove		= pxa2xx_drv_pcmcia_remove,
-	.suspend 	= pcmcia_socket_dev_suspend,
+	.suspend 	= pxa2xx_drv_pcmcia_suspend,
 	.resume 	= pxa2xx_drv_pcmcia_resume,
+	.driver		= {
 		.name	= "pxa2xx-pcmcia",
-	.bus		= &platform_bus_type,
+	},
 };
 
 static int __init pxa2xx_pcmcia_init(void)
 {
-	return driver_register(&pxa2xx_pcmcia_driver);
+	return platform_driver_register(&pxa2xx_pcmcia_driver);
 }
 
 static void __exit pxa2xx_pcmcia_exit(void)
 {
-	driver_unregister(&pxa2xx_pcmcia_driver);
+	platform_driver_unregister(&pxa2xx_pcmcia_driver);
 }
 
 fs_initcall(pxa2xx_pcmcia_init);

drivers/pcmcia/pxa2xx_base.h

@@ -1,3 +1,3 @@
 /* temporary measure */
-extern int pxa2xx_drv_pcmcia_probe(struct device *);
+extern int __pxa2xx_drv_pcmcia_probe(struct device *);
 

drivers/pcmcia/pxa2xx_lubbock.c

@@ -260,7 +260,7 @@ int __init pcmcia_lubbock_init(struct sa1111_dev *sadev)
 		lubbock_set_misc_wr((1 << 15) | (1 << 14), 0);
 
 		sadev->dev.platform_data = &lubbock_pcmcia_ops;
-		ret = pxa2xx_drv_pcmcia_probe(&sadev->dev);
+		ret = __pxa2xx_drv_pcmcia_probe(&sadev->dev);
 	}
 
 	return ret;

include/asm-arm/uaccess.h

@@ -383,19 +383,19 @@ do {									\
 
 
 #ifdef CONFIG_MMU
-extern unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n);
+extern unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n);
-extern unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n);
+extern unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n);
-extern unsigned long __clear_user(void __user *addr, unsigned long n);
+extern unsigned long __must_check __clear_user(void __user *addr, unsigned long n);
 #else
 #define __copy_from_user(to,from,n)	(memcpy(to, (void __force *)from, n), 0)
 #define __copy_to_user(to,from,n)	(memcpy((void __force *)to, from, n), 0)
 #define __clear_user(addr,n)		(memset((void __force *)addr, 0, n), 0)
 #endif
 
-extern unsigned long __strncpy_from_user(char *to, const char __user *from, unsigned long count);
+extern unsigned long __must_check __strncpy_from_user(char *to, const char __user *from, unsigned long count);
-extern unsigned long __strnlen_user(const char __user *s, long n);
+extern unsigned long __must_check __strnlen_user(const char __user *s, long n);
 
-static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
+static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n)
 {
 	if (access_ok(VERIFY_READ, from, n))
 		n = __copy_from_user(to, from, n);
@@ -404,7 +404,7 @@ static inline unsigned long copy_from_user(void *to, const void __user *from, un
 	return n;
 }
 
-static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n)
+static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n)
 {
 	if (access_ok(VERIFY_WRITE, to, n))
 		n = __copy_to_user(to, from, n);
@@ -414,14 +414,14 @@ static inline unsigned long copy_to_user(void __user *to, const void *from, unsi
 #define __copy_to_user_inatomic __copy_to_user
 #define __copy_from_user_inatomic __copy_from_user
 
-static inline unsigned long clear_user(void __user *to, unsigned long n)
+static inline unsigned long __must_check clear_user(void __user *to, unsigned long n)
 {
 	if (access_ok(VERIFY_WRITE, to, n))
 		n = __clear_user(to, n);
 	return n;
 }
 
-static inline long strncpy_from_user(char *dst, const char __user *src, long count)
+static inline long __must_check strncpy_from_user(char *dst, const char __user *src, long count)
 {
 	long res = -EFAULT;
 	if (access_ok(VERIFY_READ, src, 1))
@@ -431,7 +431,7 @@ static inline long strncpy_from_user(char *dst, const char __user *src, long cou
 
 #define strlen_user(s)	strnlen_user(s, ~0UL >> 1)
 
-static inline long strnlen_user(const char __user *s, long n)
+static inline long __must_check strnlen_user(const char __user *s, long n)
 {
 	unsigned long res = 0;
 

lib/Kconfig.debug

@@ -341,7 +341,7 @@ config FRAME_POINTER
 
 config UNWIND_INFO
 	bool "Compile the kernel with frame unwind information"
-	depends on !IA64 && !PARISC
+	depends on !IA64 && !PARISC && !ARM
 	depends on !MODULES || !(MIPS || PPC || SUPERH || V850)
 	help
 	  If you say Y here the resulting kernel image will be slightly larger