---

yaml --- r: 223123 b: refs/heads/master c: 7103b71 h: refs/heads/master i: 223121: 9e43f7c 223119: 91963ff v: v3
git-mirror · Dec 14, 2010 · c6dd256 · c6dd256
1 parent 25e7369
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7182afea8d1afd432a17c18162cc3fd441d0da93
+refs/heads/master: 7103b71b0ff6a5d8d71438e63dfc539a6f0a61bd
diff --git a/trunk/Documentation/ABI/testing/sysfs-platform-asus-laptop b/trunk/Documentation/ABI/testing/sysfs-platform-asus-laptop
@@ -47,6 +47,20 @@ Date:		January 2007
 KernelVersion:	2.6.20
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
 Description:
-		Control the bluetooth device. 1 means on, 0 means off.
+		Control the wlan device. 1 means on, 0 means off.
 		This may control the led, the device or both.
 Users:		Lapsus
+
+What:		/sys/devices/platform/asus_laptop/wimax
+Date:		October 2010
+KernelVersion:	2.6.37
+Contact:	"Corentin Chary" <corentincj@iksaif.net>
+Description:
+		Control the wimax device. 1 means on, 0 means off.
+
+What:		/sys/devices/platform/asus_laptop/wwan
+Date:		October 2010
+KernelVersion:	2.6.37
+Contact:	"Corentin Chary" <corentincj@iksaif.net>
+Description:
+		Control the wwan (3G) device. 1 means on, 0 means off.
diff --git a/trunk/Documentation/ABI/testing/sysfs-platform-eeepc-wmi b/trunk/Documentation/ABI/testing/sysfs-platform-eeepc-wmi
@@ -0,0 +1,10 @@
+What:		/sys/devices/platform/eeepc-wmi/cpufv
+Date:		Oct 2010
+KernelVersion:	2.6.37
+Contact:	"Corentin Chary" <corentincj@iksaif.net>
+Description:
+		Change CPU clock configuration (write-only).
+		There are three available clock configuration:
+		    * 0 -> Super Performance Mode
+		    * 1 -> High Performance Mode
+		    * 2 -> Power Saving Mode
diff --git a/trunk/Documentation/filesystems/Locking b/trunk/Documentation/filesystems/Locking
@@ -173,12 +173,13 @@ prototypes:
 	sector_t (*bmap)(struct address_space *, sector_t);
 	int (*invalidatepage) (struct page *, unsigned long);
 	int (*releasepage) (struct page *, int);
+	void (*freepage)(struct page *);
 	int (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
 			loff_t offset, unsigned long nr_segs);
 	int (*launder_page) (struct page *);
 
 locking rules:
-	All except set_page_dirty may block
+	All except set_page_dirty and freepage may block
 
 			BKL	PageLocked(page)	i_mutex
 writepage:		no	yes, unlocks (see below)
@@ -193,6 +194,7 @@ perform_write:		no	n/a			yes
 bmap:			no
 invalidatepage:		no	yes
 releasepage:		no	yes
+freepage:		no	yes
 direct_IO:		no
 launder_page:		no	yes
 
@@ -288,6 +290,9 @@ buffers from the page in preparation for freeing it.  It returns zero to
 indicate that the buffers are (or may be) freeable.  If ->releasepage is zero,
 the kernel assumes that the fs has no private interest in the buffers.
 
+	->freepage() is called when the kernel is done dropping the page
+from the page cache.
+
 	->launder_page() may be called prior to releasing a page if
 it is still found to be dirty. It returns zero if the page was successfully
 cleaned, or an error value if not. Note that in order to prevent the page

diff --git a/trunk/Documentation/filesystems/vfs.txt b/trunk/Documentation/filesystems/vfs.txt
@@ -534,6 +534,7 @@ struct address_space_operations {
 	sector_t (*bmap)(struct address_space *, sector_t);
 	int (*invalidatepage) (struct page *, unsigned long);
 	int (*releasepage) (struct page *, int);
+	void (*freepage)(struct page *);
 	ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
 			loff_t offset, unsigned long nr_segs);
 	struct page* (*get_xip_page)(struct address_space *, sector_t,
@@ -678,6 +679,12 @@ struct address_space_operations {
         need to ensure this.  Possibly it can clear the PageUptodate
         bit if it cannot free private data yet.
 
+  freepage: freepage is called once the page is no longer visible in
+        the page cache in order to allow the cleanup of any private
+	data. Since it may be called by the memory reclaimer, it
+	should not assume that the original address_space mapping still
+	exists, and it should not block.
+
   direct_IO: called by the generic read/write routines to perform
         direct_IO - that is IO requests which bypass the page cache
         and transfer data directly between the storage and the

diff --git a/trunk/Makefile b/trunk/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 37
-EXTRAVERSION = -rc4
+EXTRAVERSION = -rc5
 NAME = Flesh-Eating Bats with Fangs
 
 # *DOCUMENTATION*

diff --git a/trunk/arch/arm/Kconfig b/trunk/arch/arm/Kconfig
@@ -9,7 +9,7 @@ config ARM
 	select GENERIC_ATOMIC64 if (!CPU_32v6K || !AEABI)
 	select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
 	select HAVE_ARCH_KGDB
-	select HAVE_KPROBES if (!XIP_KERNEL)
+	select HAVE_KPROBES if (!XIP_KERNEL && !THUMB2_KERNEL)
 	select HAVE_KRETPROBES if (HAVE_KPROBES)
 	select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
 	select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL)

diff --git a/trunk/arch/arm/boot/Makefile b/trunk/arch/arm/boot/Makefile
@@ -70,12 +70,7 @@ else
 $(obj)/uImage: LOADADDR=$(ZRELADDR)
 endif
 
-ifeq ($(CONFIG_THUMB2_KERNEL),y)
-# Set bit 0 to 1 so that "mov pc, rx" switches to Thumb-2 mode
-$(obj)/uImage: STARTADDR=$(shell echo $(LOADADDR) | sed -e "s/.$$/1/")
-else
 $(obj)/uImage: STARTADDR=$(LOADADDR)
-endif
 
 $(obj)/uImage:	$(obj)/zImage FORCE
 	$(call if_changed,uimage)

diff --git a/trunk/arch/arm/boot/bootp/init.S b/trunk/arch/arm/boot/bootp/init.S
@@ -73,6 +73,8 @@ move:		ldmia	r4!, {r7 - r10}		@ move 32-bytes at a time
 
 		.size	_start, . - _start
 
+		.align
+
 		.type	data,#object
 data:		.word	initrd_start		@ source initrd address
 		.word	initrd_phys		@ destination initrd address

diff --git a/trunk/arch/arm/boot/compressed/head.S b/trunk/arch/arm/boot/compressed/head.S
@@ -125,16 +125,21 @@ wait:		mrc	p14, 0, pc, c0, c1, 0
  * sort out different calling conventions
  */
 		.align
+		.arm				@ Always enter in ARM state
 start:
 		.type	start,#function
-		.rept	8
+ THUMB(		adr	r12, BSYM(1f)	)
+ THUMB(		bx	r12		)
+ THUMB(		.rept	6		)
+ ARM(		.rept	8		)
 		mov	r0, r0
 		.endr
 
 		b	1f
 		.word	0x016f2818		@ Magic numbers to help the loader
 		.word	start			@ absolute load/run zImage address
 		.word	_edata			@ zImage end address
+ THUMB(		.thumb			)
 1:		mov	r7, r1			@ save architecture ID
 		mov	r8, r2			@ save atags pointer
 
@@ -174,7 +179,8 @@ not_angel:
 		ldr	sp, [r0, #28]
 #ifdef CONFIG_AUTO_ZRELADDR
 		@ determine final kernel image address
-		and	r4, pc, #0xf8000000
+		mov	r4, pc
+		and	r4, r4, #0xf8000000
 		add	r4, r4, #TEXT_OFFSET
 #else
 		ldr	r4, =zreladdr
@@ -445,7 +451,8 @@ __setup_mmu:	sub	r3, r4, #16384		@ Page directory size
  */
 		mov	r1, #0x1e
 		orr	r1, r1, #3 << 10
-		mov	r2, pc, lsr #20
+		mov	r2, pc
+		mov	r2, r2, lsr #20
 		orr	r1, r1, r2, lsl #20
 		add	r0, r3, r2, lsl #2
 		str	r1, [r0], #4

diff --git a/trunk/arch/arm/common/gic.c b/trunk/arch/arm/common/gic.c
@@ -146,9 +146,15 @@ static int gic_set_cpu(unsigned int irq, const struct cpumask *mask_val)
 	unsigned int shift = (irq % 4) * 8;
 	unsigned int cpu = cpumask_first(mask_val);
 	u32 val;
+	struct irq_desc *desc;
 
 	spin_lock(&irq_controller_lock);
-	irq_desc[irq].node = cpu;
+	desc = irq_to_desc(irq);
+	if (desc == NULL) {
+		spin_unlock(&irq_controller_lock);
+		return -EINVAL;
+	}
+	desc->node = cpu;
 	val = readl(reg) & ~(0xff << shift);
 	val |= 1 << (cpu + shift);
 	writel(val, reg);
@@ -210,7 +216,7 @@ void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq)
 void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
 			  unsigned int irq_start)
 {
-	unsigned int max_irq, i;
+	unsigned int gic_irqs, irq_limit, i;
 	u32 cpumask = 1 << smp_processor_id();
 
 	if (gic_nr >= MAX_GIC_NR)
@@ -226,47 +232,49 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
 
 	/*
 	 * Find out how many interrupts are supported.
-	 */
-	max_irq = readl(base + GIC_DIST_CTR) & 0x1f;
-	max_irq = (max_irq + 1) * 32;
-
-	/*
 	 * The GIC only supports up to 1020 interrupt sources.
-	 * Limit this to either the architected maximum, or the
-	 * platform maximum.
 	 */
-	if (max_irq > max(1020, NR_IRQS))
-		max_irq = max(1020, NR_IRQS);
+	gic_irqs = readl(base + GIC_DIST_CTR) & 0x1f;
+	gic_irqs = (gic_irqs + 1) * 32;
+	if (gic_irqs > 1020)
+		gic_irqs = 1020;
 
 	/*
 	 * Set all global interrupts to be level triggered, active low.
 	 */
-	for (i = 32; i < max_irq; i += 16)
+	for (i = 32; i < gic_irqs; i += 16)
 		writel(0, base + GIC_DIST_CONFIG + i * 4 / 16);
 
 	/*
 	 * Set all global interrupts to this CPU only.
 	 */
-	for (i = 32; i < max_irq; i += 4)
+	for (i = 32; i < gic_irqs; i += 4)
 		writel(cpumask, base + GIC_DIST_TARGET + i * 4 / 4);
 
 	/*
 	 * Set priority on all global interrupts.
 	 */
-	for (i = 32; i < max_irq; i += 4)
+	for (i = 32; i < gic_irqs; i += 4)
 		writel(0xa0a0a0a0, base + GIC_DIST_PRI + i * 4 / 4);
 
 	/*
 	 * Disable all interrupts.  Leave the PPI and SGIs alone
 	 * as these enables are banked registers.
 	 */
-	for (i = 32; i < max_irq; i += 32)
+	for (i = 32; i < gic_irqs; i += 32)
 		writel(0xffffffff, base + GIC_DIST_ENABLE_CLEAR + i * 4 / 32);
 
+	/*
+	 * Limit number of interrupts registered to the platform maximum
+	 */
+	irq_limit = gic_data[gic_nr].irq_offset + gic_irqs;
+	if (WARN_ON(irq_limit > NR_IRQS))
+		irq_limit = NR_IRQS;
+
 	/*
 	 * Setup the Linux IRQ subsystem.
 	 */
-	for (i = irq_start; i < gic_data[gic_nr].irq_offset + max_irq; i++) {
+	for (i = irq_start; i < irq_limit; i++) {
 		set_irq_chip(i, &gic_chip);
 		set_irq_chip_data(i, &gic_data[gic_nr]);
 		set_irq_handler(i, handle_level_irq);

diff --git a/trunk/arch/arm/kernel/entry-armv.S b/trunk/arch/arm/kernel/entry-armv.S
@@ -911,7 +911,7 @@ __kuser_cmpxchg:				@ 0xffff0fc0
 	 * A special ghost syscall is used for that (see traps.c).
 	 */
 	stmfd	sp!, {r7, lr}
-	ldr	r7, =1f			@ it's 20 bits
+	ldr	r7, 1f			@ it's 20 bits
 	swi	__ARM_NR_cmpxchg
 	ldmfd	sp!, {r7, pc}
 1:	.word	__ARM_NR_cmpxchg

diff --git a/trunk/arch/arm/kernel/head.S b/trunk/arch/arm/kernel/head.S
@@ -85,9 +85,11 @@ ENTRY(stext)
 	mrc	p15, 0, r9, c0, c0		@ get processor id
 	bl	__lookup_processor_type		@ r5=procinfo r9=cpuid
 	movs	r10, r5				@ invalid processor (r5=0)?
+ THUMB( it	eq )		@ force fixup-able long branch encoding
 	beq	__error_p			@ yes, error 'p'
 	bl	__lookup_machine_type		@ r5=machinfo
 	movs	r8, r5				@ invalid machine (r5=0)?
+ THUMB( it	eq )		@ force fixup-able long branch encoding
 	beq	__error_a			@ yes, error 'a'
 	bl	__vet_atags
 #ifdef CONFIG_SMP_ON_UP
@@ -262,6 +264,7 @@ __create_page_tables:
 	mov	pc, lr
 ENDPROC(__create_page_tables)
 	.ltorg
+	.align
 __enable_mmu_loc:
 	.long	.
 	.long	__enable_mmu
@@ -282,6 +285,7 @@ ENTRY(secondary_startup)
 	bl	__lookup_processor_type
 	movs	r10, r5				@ invalid processor?
 	moveq	r0, #'p'			@ yes, error 'p'
+ THUMB( it	eq )		@ force fixup-able long branch encoding
 	beq	__error_p
 
 	/*
@@ -308,6 +312,8 @@ ENTRY(__secondary_switched)
 	b	secondary_start_kernel
 ENDPROC(__secondary_switched)
 
+	.align
+
 	.type	__secondary_data, %object
 __secondary_data:
 	.long	.
@@ -413,6 +419,7 @@ __fixup_smp_on_up:
 	mov	pc, lr
 ENDPROC(__fixup_smp)
 
+	.align
 1:	.word	.
 	.word	__smpalt_begin
 	.word	__smpalt_end

diff --git a/trunk/arch/arm/kernel/relocate_kernel.S b/trunk/arch/arm/kernel/relocate_kernel.S
@@ -59,6 +59,8 @@ relocate_new_kernel:
 	ldr r2,kexec_boot_atags
 	mov pc,lr
 
+	.align
+
 	.globl kexec_start_address
 kexec_start_address:
 	.long	0x0

diff --git a/trunk/arch/arm/mach-cns3xxx/pcie.c b/trunk/arch/arm/mach-cns3xxx/pcie.c
@@ -369,7 +369,7 @@ static int __init cns3xxx_pcie_init(void)
 {
 	int i;
 
-	hook_fault_code(16 + 6, cns3xxx_pcie_abort_handler, SIGBUS,
+	hook_fault_code(16 + 6, cns3xxx_pcie_abort_handler, SIGBUS, 0,
 			"imprecise external abort");
 
 	for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) {

diff --git a/trunk/arch/arm/mach-realview/headsmp.S b/trunk/arch/arm/mach-realview/headsmp.S
@@ -35,5 +35,6 @@ pen:	ldr	r7, [r6]
 	 */
 	b	secondary_startup
 
+	.align
 1:	.long	.
 	.long	pen_release
diff --git a/trunk/arch/arm/mach-s3c2412/Kconfig b/trunk/arch/arm/mach-s3c2412/Kconfig
@@ -16,7 +16,7 @@ config CPU_S3C2412
 config CPU_S3C2412_ONLY
 	bool
 	depends on ARCH_S3C2410 && !CPU_S3C2400 && !CPU_S3C2410 && \
-		   !CPU_2416 && !CPU_S3C2440 && !CPU_S3C2442 && \
+		   !CPU_S3C2416 && !CPU_S3C2440 && !CPU_S3C2442 && \
 		   !CPU_S3C2443 && CPU_S3C2412
 	default y if CPU_S3C2412
 

diff --git a/trunk/arch/arm/mach-s3c2416/Kconfig b/trunk/arch/arm/mach-s3c2416/Kconfig
@@ -35,9 +35,12 @@ menu "S3C2416 Machines"
 config MACH_SMDK2416
 	bool "SMDK2416"
 	select CPU_S3C2416
+	select MACH_SMDK
 	select S3C_DEV_FB
 	select S3C_DEV_HSMMC
 	select S3C_DEV_HSMMC1
+	select S3C_DEV_NAND
+	select S3C_DEV_USB_HOST
 	select S3C2416_PM if PM
 	help
 	  Say Y here if you are using an SMDK2416

diff --git a/trunk/arch/arm/mach-s3c2440/Kconfig b/trunk/arch/arm/mach-s3c2440/Kconfig
@@ -18,6 +18,7 @@ config CPU_S3C2440
 config CPU_S3C2442
 	bool
 	select CPU_ARM920T
+	select S3C_GPIO_PULL_DOWN
 	select S3C2410_CLOCK
 	select S3C2410_GPIO
 	select S3C2410_PM if PM
@@ -178,6 +179,9 @@ config MACH_MINI2440
 	bool "MINI2440 development board"
 	select CPU_S3C2440
 	select EEPROM_AT24
+	select NEW_LEDS
+	select LEDS_CLASS
+	select LEDS_TRIGGER
 	select LEDS_TRIGGER_BACKLIGHT
 	select S3C_DEV_NAND
 	select S3C_DEV_USB_HOST