Merge commit 'v2.6.35' into kbuild/kbuild

Conflicts:
	arch/powerpc/Makefile

17 files changed, 47 insertions, 84 deletions

diff --git a/arch/avr32/include/asm/atomic.h b/arch/avr32/include/asm/atomic.h
index b131c27..bbce6a1c 100644
--- a/arch/avr32/include/asm/atomic.h
+++ b/arch/avr32/include/asm/atomic.h
@@ -19,7 +19,7 @@
 
 #define ATOMIC_INIT(i)  { (i) }
 
-#define atomic_read(v)		((v)->counter)
+#define atomic_read(v)		(*(volatile int *)&(v)->counter)
 #define atomic_set(v, i)	(((v)->counter) = i)
 
 /*
diff --git a/arch/avr32/include/asm/ioctls.h b/arch/avr32/include/asm/ioctls.h
index 0cf2c0a..e6ac0b6 100644
--- a/arch/avr32/include/asm/ioctls.h
+++ b/arch/avr32/include/asm/ioctls.h
@@ -54,6 +54,9 @@
 #define TIOCGPTN	_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 #define TIOCSPTLCK	_IOW('T',0x31, int)  /* Lock/unlock Pty */
 
+#define TIOCGRS485      0x542E
+#define TIOCSRS485      0x542F
+
 #define FIONCLEX	0x5450
 #define FIOCLEX		0x5451
 #define FIOASYNC	0x5452
diff --git a/arch/avr32/include/asm/pgtable.h b/arch/avr32/include/asm/pgtable.h
index fecdda1..a9ae30c 100644
--- a/arch/avr32/include/asm/pgtable.h
+++ b/arch/avr32/include/asm/pgtable.h
@@ -325,7 +325,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 
 struct vm_area_struct;
 extern void update_mmu_cache(struct vm_area_struct * vma,
-			     unsigned long address, pte_t pte);
+			     unsigned long address, pte_t *ptep);
 
 /*
  * Encode and decode a swap entry
diff --git a/arch/avr32/include/asm/ptrace.h b/arch/avr32/include/asm/ptrace.h
index 9e2d44f..e53dd0d 100644
--- a/arch/avr32/include/asm/ptrace.h
+++ b/arch/avr32/include/asm/ptrace.h
@@ -124,6 +124,8 @@ struct pt_regs {
 
 #include <asm/ocd.h>
 
+#define arch_has_single_step()		(1)
+
 #define arch_ptrace_attach(child)       ocd_enable(child)
 
 #define user_mode(regs)                 (((regs)->sr & MODE_MASK) == MODE_USER)
diff --git a/arch/avr32/include/asm/scatterlist.h b/arch/avr32/include/asm/scatterlist.h
index 377320e..06394e5 100644
--- a/arch/avr32/include/asm/scatterlist.h
+++ b/arch/avr32/include/asm/scatterlist.h
@@ -1,25 +1,7 @@
 #ifndef __ASM_AVR32_SCATTERLIST_H
 #define __ASM_AVR32_SCATTERLIST_H
 
-#include <asm/types.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-   unsigned long	sg_magic;
-#endif
-    unsigned long	page_link;
-    unsigned int	offset;
-    dma_addr_t		dma_address;
-    unsigned int	length;
-};
-
-/* These macros should be used after a pci_map_sg call has been done
- * to get bus addresses of each of the SG entries and their lengths.
- * You should only work with the number of sg entries pci_map_sg
- * returns.
- */
-#define sg_dma_address(sg)	((sg)->dma_address)
-#define sg_dma_len(sg)		((sg)->length)
+#include <asm-generic/scatterlist.h>
 
 #define ISA_DMA_THRESHOLD (0xffffffff)
 
diff --git a/arch/avr32/include/asm/thread_info.h b/arch/avr32/include/asm/thread_info.h
index fd0c5d7..7a9c03d 100644
--- a/arch/avr32/include/asm/thread_info.h
+++ b/arch/avr32/include/asm/thread_info.h
@@ -81,7 +81,7 @@ static inline struct thread_info *current_thread_info(void)
 					   TIF_NEED_RESCHED */
 #define TIF_BREAKPOINT		4	/* enter monitor mode on return */
 #define TIF_SINGLE_STEP		5	/* single step in progress */
-#define TIF_MEMDIE		6
+#define TIF_MEMDIE		6	/* is terminating due to OOM killer */
 #define TIF_RESTORE_SIGMASK	7	/* restore signal mask in do_signal */
 #define TIF_CPU_GOING_TO_SLEEP	8	/* CPU is entering sleep 0 mode */
 #define TIF_NOTIFY_RESUME	9	/* callback before returning to user */
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index 93c0342..2d76515 100644
--- a/arch/avr32/kernel/process.c
+++ b/arch/avr32/kernel/process.c
@@ -11,6 +11,7 @@
 #include <linux/fs.h>
 #include <linux/pm.h>
 #include <linux/ptrace.h>
+#include <linux/slab.h>
 #include <linux/reboot.h>
 #include <linux/tick.h>
 #include <linux/uaccess.h>
diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c
index 1fed38f..5e73c25 100644
--- a/arch/avr32/kernel/ptrace.c
+++ b/arch/avr32/kernel/ptrace.c
@@ -28,9 +28,9 @@ static struct pt_regs *get_user_regs(struct task_struct *tsk)
 				  THREAD_SIZE - sizeof(struct pt_regs));
 }
 
-static void ptrace_single_step(struct task_struct *tsk)
+void user_enable_single_step(struct task_struct *tsk)
 {
-	pr_debug("ptrace_single_step: pid=%u, PC=0x%08lx, SR=0x%08lx\n",
+	pr_debug("user_enable_single_step: pid=%u, PC=0x%08lx, SR=0x%08lx\n",
 		 tsk->pid, task_pt_regs(tsk)->pc, task_pt_regs(tsk)->sr);
 
 	/*
@@ -49,6 +49,11 @@ static void ptrace_single_step(struct task_struct *tsk)
 	set_tsk_thread_flag(tsk, TIF_SINGLE_STEP);
 }
 
+void user_disable_single_step(struct task_struct *child)
+{
+	/* XXX(hch): a no-op here seems wrong.. */
+}
+
 /*
  * Called by kernel/ptrace.c when detaching
  *
@@ -167,50 +172,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		ret = ptrace_write_user(child, addr, data);
 		break;
 
-	/* continue and stop at next (return from) syscall */
-	case PTRACE_SYSCALL:
-	/* restart after signal */
-	case PTRACE_CONT:
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		if (request == PTRACE_SYSCALL)
-			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		else
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		child->exit_code = data;
-		/* XXX: Are we sure no breakpoints are active here? */
-		wake_up_process(child);
-		ret = 0;
-		break;
-
-	/*
-	 * Make the child exit. Best I can do is send it a
-	 * SIGKILL. Perhaps it should be put in the status that it
-	 * wants to exit.
-	 */
-	case PTRACE_KILL:
-		ret = 0;
-		if (child->exit_state == EXIT_ZOMBIE)
-			break;
-		child->exit_code = SIGKILL;
-		wake_up_process(child);
-		break;
-
-	/*
-	 * execute single instruction.
-	 */
-	case PTRACE_SINGLESTEP:
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		ptrace_single_step(child);
-		child->exit_code = data;
-		wake_up_process(child);
-		ret = 0;
-		break;
-
 	case PTRACE_GETREGS:
 		ret = ptrace_getregs(child, (void __user *)data);
 		break;
diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c
index f27aa3b..668ed28 100644
--- a/arch/avr32/kernel/time.c
+++ b/arch/avr32/kernel/time.c
@@ -110,17 +110,17 @@ static struct clock_event_device comparator = {
 	.set_mode	= comparator_mode,
 };
 
+void read_persistent_clock(struct timespec *ts)
+{
+	ts->tv_sec = mktime(2007, 1, 1, 0, 0, 0);
+	ts->tv_nsec = 0;
+}
+
 void __init time_init(void)
 {
 	unsigned long counter_hz;
 	int ret;
 
-	xtime.tv_sec = mktime(2007, 1, 1, 0, 0, 0);
-	xtime.tv_nsec = 0;
-
-	set_normalized_timespec(&wall_to_monotonic,
-				-xtime.tv_sec, -xtime.tv_nsec);
-
 	/* figure rate for counter */
 	counter_hz = clk_get_rate(boot_cpu_data.clk);
 	counter.mult = clocksource_hz2mult(counter_hz, counter.shift);
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 1aa1ea5..e67c999 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -12,6 +12,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/slab.h>
 #include <linux/gpio.h>
 #include <linux/spi/spi.h>
 #include <linux/usb/atmel_usba_udc.h>
@@ -1325,7 +1326,7 @@ struct platform_device *__init
 at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 {
 	struct platform_device		*pdev;
-	struct mci_dma_slave		*slave;
+	struct mci_dma_data	        *slave;
 	u32				pioa_mask;
 	u32				piob_mask;
 
@@ -1344,7 +1345,9 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 				ARRAY_SIZE(atmel_mci0_resource)))
 		goto fail;
 
-	slave = kzalloc(sizeof(struct mci_dma_slave), GFP_KERNEL);
+	slave = kzalloc(sizeof(struct mci_dma_data), GFP_KERNEL);
+	if (!slave)
+		goto fail;
 
 	slave->sdata.dma_dev = &dw_dmac0_device.dev;
 	slave->sdata.reg_width = DW_DMA_SLAVE_WIDTH_32BIT;
@@ -1357,7 +1360,7 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 
 	if (platform_device_add_data(pdev, data,
 				sizeof(struct mci_platform_data)))
-		goto fail;
+		goto fail_free;
 
 	/* CLK line is common to both slots */
 	pioa_mask = 1 << 10;
@@ -1381,7 +1384,7 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 		/* Slot is unused */
 		break;
 	default:
-		goto fail;
+		goto fail_free;
 	}
 
 	select_peripheral(PIOA, pioa_mask, PERIPH_A, 0);
@@ -1408,7 +1411,7 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 		break;
 	default:
 		if (!data->slot[0].bus_width)
-			goto fail;
+			goto fail_free;
 
 		data->slot[1].bus_width = 0;
 		break;
@@ -1419,9 +1422,10 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 	platform_device_add(pdev);
 	return pdev;
 
+fail_free:
+	kfree(slave);
 fail:
 	data->dma_slave = NULL;
-	kfree(slave);
 	platform_device_put(pdev);
 	return NULL;
 }
@@ -1767,10 +1771,13 @@ at32_add_device_usba(unsigned int id, struct usba_platform_data *data)
 					  ARRAY_SIZE(usba0_resource)))
 		goto out_free_pdev;
 
-	if (data)
+	if (data) {
 		usba_data.pdata.vbus_pin = data->vbus_pin;
-	else
+		usba_data.pdata.vbus_pin_inverted = data->vbus_pin_inverted;
+	} else {
 		usba_data.pdata.vbus_pin = -EINVAL;
+		usba_data.pdata.vbus_pin_inverted = -EINVAL;
+	}
 
 	data = &usba_data.pdata;
 	data->num_ep = ARRAY_SIZE(at32_usba_ep);
diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
index 310477b..e9d1205 100644
--- a/arch/avr32/mach-at32ap/extint.c
+++ b/arch/avr32/mach-at32ap/extint.c
@@ -14,6 +14,7 @@
 #include <linux/irq.h>
 #include <linux/platform_device.h>
 #include <linux/random.h>
+#include <linux/slab.h>
 
 #include <asm/io.h>
 
diff --git a/arch/avr32/mach-at32ap/hsmc.c b/arch/avr32/mach-at32ap/hsmc.c
index 2875c11..f7672d3 100644
--- a/arch/avr32/mach-at32ap/hsmc.c
+++ b/arch/avr32/mach-at32ap/hsmc.c
@@ -12,6 +12,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/slab.h>
 
 #include <asm/io.h>
 #include <mach/smc.h>
diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h
index c7f25bb..6174020 100644
--- a/arch/avr32/mach-at32ap/include/mach/board.h
+++ b/arch/avr32/mach-at32ap/include/mach/board.h
@@ -5,6 +5,7 @@
 #define __ASM_ARCH_BOARD_H
 
 #include <linux/types.h>
+#include <linux/serial.h>
 
 #define GPIO_PIN_NONE	(-1)
 
@@ -35,6 +36,7 @@ struct atmel_uart_data {
 	short		use_dma_tx;	/* use transmit DMA? */
 	short		use_dma_rx;	/* use receive DMA? */
 	void __iomem	*regs;		/* virtual base address, if any */
+	struct serial_rs485	rs485;		/* rs485 settings */
 };
 void at32_map_usart(unsigned int hw_id, unsigned int line, int flags);
 struct platform_device *at32_add_device_usart(unsigned int id);
diff --git a/arch/avr32/mm/dma-coherent.c b/arch/avr32/mm/dma-coherent.c
index 6d8c794..3c00422 100644
--- a/arch/avr32/mm/dma-coherent.c
+++ b/arch/avr32/mm/dma-coherent.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/dma-mapping.h>
+#include <linux/gfp.h>
 
 #include <asm/addrspace.h>
 #include <asm/cacheflush.h>
diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c
index 9492564..a7314d4 100644
--- a/arch/avr32/mm/init.c
+++ b/arch/avr32/mm/init.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/gfp.h>
 #include <linux/mm.h>
 #include <linux/swap.h>
 #include <linux/init.h>
diff --git a/arch/avr32/mm/ioremap.c b/arch/avr32/mm/ioremap.c
index f03b79f..7def0d8 100644
--- a/arch/avr32/mm/ioremap.c
+++ b/arch/avr32/mm/ioremap.c
@@ -9,6 +9,7 @@
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/io.h>
+#include <linux/slab.h>
 
 #include <asm/pgtable.h>
 #include <asm/addrspace.h>
diff --git a/arch/avr32/mm/tlb.c b/arch/avr32/mm/tlb.c
index 06677be..0da2310 100644
--- a/arch/avr32/mm/tlb.c
+++ b/arch/avr32/mm/tlb.c
@@ -101,7 +101,7 @@ static void update_dtlb(unsigned long address, pte_t pte)
 }
 
 void update_mmu_cache(struct vm_area_struct *vma,
-		      unsigned long address, pte_t pte)
+		      unsigned long address, pte_t *ptep)
 {
 	unsigned long flags;
 
@@ -110,7 +110,7 @@ void update_mmu_cache(struct vm_area_struct *vma,
 		return;
 
 	local_irq_save(flags);
-	update_dtlb(address, pte);
+	update_dtlb(address, *ptep);
 	local_irq_restore(flags);
 }