diff options
81 files changed, 2089 insertions, 1427 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-ideapad-laptop b/Documentation/ABI/testing/sysfs-platform-ideapad-laptop index 807fca2ae2a..ff53183c384 100644 --- a/Documentation/ABI/testing/sysfs-platform-ideapad-laptop +++ b/Documentation/ABI/testing/sysfs-platform-ideapad-laptop @@ -4,3 +4,20 @@ KernelVersion: 2.6.37 Contact: "Ike Panhc <ike.pan@canonical.com>" Description: Control the power of camera module. 1 means on, 0 means off. + +What: /sys/devices/platform/ideapad/cfg +Date: Jun 2011 +KernelVersion: 3.1 +Contact: "Ike Panhc <ike.pan@canonical.com>" +Description: + Ideapad capability bits. + Bit 8-10: 1 - Intel graphic only + 2 - ATI graphic only + 3 - Nvidia graphic only + 4 - Intel and ATI graphic + 5 - Intel and Nvidia graphic + Bit 16: Bluetooth exist (1 for exist) + Bit 17: 3G exist (1 for exist) + Bit 18: Wifi exist (1 for exist) + Bit 19: Camera exist (1 for exist) + diff --git a/Documentation/CodingStyle b/Documentation/CodingStyle index fa6e25b94a5..c940239d967 100644 --- a/Documentation/CodingStyle +++ b/Documentation/CodingStyle @@ -80,22 +80,13 @@ available tools. The limit on the length of lines is 80 columns and this is a strongly preferred limit. -Statements longer than 80 columns will be broken into sensible chunks. -Descendants are always substantially shorter than the parent and are placed -substantially to the right. The same applies to function headers with a long -argument list. Long strings are as well broken into shorter strings. The -only exception to this is where exceeding 80 columns significantly increases -readability and does not hide information. - -void fun(int a, int b, int c) -{ - if (condition) - printk(KERN_WARNING "Warning this is a long printk with " - "3 parameters a: %u b: %u " - "c: %u \n", a, b, c); - else - next_statement; -} +Statements longer than 80 columns will be broken into sensible chunks, unless +exceeding 80 columns significantly increases readability and does not hide +information. Descendants are always substantially shorter than the parent and +are placed substantially to the right. The same applies to function headers +with a long argument list. However, never break user-visible strings such as +printk messages, because that breaks the ability to grep for them. + Chapter 3: Placing Braces and Spaces diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 43f48098220..c4a6e148732 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -581,3 +581,14 @@ Why: This driver has been superseded by g_mass_storage. Who: Alan Stern <stern@rowland.harvard.edu> ---------------------------- + +What: threeg and interface sysfs files in /sys/devices/platform/acer-wmi +When: 2012 +Why: In 3.0, we can now autodetect internal 3G device and already have + the threeg rfkill device. So, we plan to remove threeg sysfs support + for it's no longer necessary. + + We also plan to remove interface sysfs file that exposed which ACPI-WMI + interface that was used by acer-wmi driver. It will replaced by + information log when acer-wmi initial. +Who: Lee, Chun-Yi <jlee@novell.com> diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt index 14dd3c6ad97..4ce5450ab6e 100644 --- a/Documentation/power/runtime_pm.txt +++ b/Documentation/power/runtime_pm.txt @@ -54,11 +54,10 @@ referred to as subsystem-level callbacks in what follows. By default, the callbacks are always invoked in process context with interrupts enabled. However, subsystems can use the pm_runtime_irq_safe() helper function to tell the PM core that a device's ->runtime_suspend() and ->runtime_resume() -callbacks should be invoked in atomic context with interrupts disabled -(->runtime_idle() is still invoked the default way). This implies that these -callback routines must not block or sleep, but it also means that the -synchronous helper functions listed at the end of Section 4 can be used within -an interrupt handler or in an atomic context. +callbacks should be invoked in atomic context with interrupts disabled. +This implies that these callback routines must not block or sleep, but it also +means that the synchronous helper functions listed at the end of Section 4 can +be used within an interrupt handler or in an atomic context. The subsystem-level suspend callback is _entirely_ _responsible_ for handling the suspend of the device as appropriate, which may, but need not include @@ -483,6 +482,7 @@ pm_runtime_suspend() pm_runtime_autosuspend() pm_runtime_resume() pm_runtime_get_sync() +pm_runtime_put_sync() pm_runtime_put_sync_suspend() 5. Runtime PM Initialization, Device Probing and Removal diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c index acca35aebe2..aeef960ff79 100644 --- a/arch/arm/kernel/armksyms.c +++ b/arch/arm/kernel/armksyms.c @@ -112,9 +112,6 @@ EXPORT_SYMBOL(__put_user_4); EXPORT_SYMBOL(__put_user_8); #endif - /* crypto hash */ -EXPORT_SYMBOL(sha_transform); - /* gcc lib functions */ EXPORT_SYMBOL(__ashldi3); EXPORT_SYMBOL(__ashrdi3); diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index 59ff42ddf0a..cf73a7f742d 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -12,7 +12,7 @@ lib-y := backtrace.o changebit.o csumipv6.o csumpartial.o \ strchr.o strrchr.o \ testchangebit.o testclearbit.o testsetbit.o \ ashldi3.o ashrdi3.o lshrdi3.o muldi3.o \ - ucmpdi2.o lib1funcs.o div64.o sha1.o \ + ucmpdi2.o lib1funcs.o div64.o \ io-readsb.o io-writesb.o io-readsl.o io-writesl.o mmu-y := clear_user.o copy_page.o getuser.o putuser.o diff --git a/arch/arm/lib/sha1.S b/arch/arm/lib/sha1.S deleted file mode 100644 index eb0edb80d7b..00000000000 --- a/arch/arm/lib/sha1.S +++ /dev/null @@ -1,211 +0,0 @@ -/* - * linux/arch/arm/lib/sha1.S - * - * SHA transform optimized for ARM - * - * Copyright: (C) 2005 by Nicolas Pitre <nico@fluxnic.net> - * Created: September 17, 2005 - * - * 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. - * - * The reference implementation for this code is linux/lib/sha1.c - */ - -#include <linux/linkage.h> - - .text - - -/* - * void sha_transform(__u32 *digest, const char *in, __u32 *W) - * - * Note: the "in" ptr may be unaligned. - */ - -ENTRY(sha_transform) - - stmfd sp!, {r4 - r8, lr} - - @ for (i = 0; i < 16; i++) - @ W[i] = be32_to_cpu(in[i]); - -#ifdef __ARMEB__ - mov r4, r0 - mov r0, r2 - mov r2, #64 - bl memcpy - mov r2, r0 - mov r0, r4 -#else - mov r3, r2 - mov lr, #16 -1: ldrb r4, [r1], #1 - ldrb r5, [r1], #1 - ldrb r6, [r1], #1 - ldrb r7, [r1], #1 - subs lr, lr, #1 - orr r5, r5, r4, lsl #8 - orr r6, r6, r5, lsl #8 - orr r7, r7, r6, lsl #8 - str r7, [r3], #4 - bne 1b -#endif - - @ for (i = 0; i < 64; i++) - @ W[i+16] = ror(W[i+13] ^ W[i+8] ^ W[i+2] ^ W[i], 31); - - sub r3, r2, #4 - mov lr, #64 -2: ldr r4, [r3, #4]! - subs lr, lr, #1 - ldr r5, [r3, #8] - ldr r6, [r3, #32] - ldr r7, [r3, #52] - eor r4, r4, r5 - eor r4, r4, r6 - eor r4, r4, r7 - mov r4, r4, ror #31 - str r4, [r3, #64] - bne 2b - - /* - * The SHA functions are: - * - * f1(B,C,D) = (D ^ (B & (C ^ D))) - * f2(B,C,D) = (B ^ C ^ D) - * f3(B,C,D) = ((B & C) | (D & (B | C))) - * - * Then the sub-blocks are processed as follows: - * - * A' = ror(A, 27) + f(B,C,D) + E + K + *W++ - * B' = A - * C' = ror(B, 2) - * D' = C - * E' = D - * - * We therefore unroll each loop 5 times to avoid register shuffling. - * Also the ror for C (and also D and E which are successivelyderived - * from it) is applied in place to cut on an additional mov insn for - * each round. - */ - - .macro sha_f1, A, B, C, D, E - ldr r3, [r2], #4 - eor ip, \C, \D - add \E, r1, \E, ror #2 - and ip, \B, ip, ror #2 - add \E, \E, \A, ror #27 - eor ip, ip, \D, ror #2 - add \E, \E, r3 - add \E, \E, ip - .endm - - .macro sha_f2, A, B, C, D, E - ldr r3, [r2], #4 - add \E, r1, \E, ror #2 - eor ip, \B, \C, ror #2 - add \E, \E, \A, ror #27 - eor ip, ip, \D, ror #2 - add \E, \E, r3 - add \E, \E, ip - .endm - - .macro sha_f3, A, B, C, D, E - ldr r3, [r2], #4 - add \E, r1, \E, ror #2 - orr ip, \B, \C, ror #2 - add \E, \E, \A, ror #27 - and ip, ip, \D, ror #2 - add \E, \E, r3 - and r3, \B, \C, ror #2 - orr ip, ip, r3 - add \E, \E, ip - .endm - - ldmia r0, {r4 - r8} - - mov lr, #4 - ldr r1, .L_sha_K + 0 - - /* adjust initial values */ - mov r6, r6, ror #30 - mov r7, r7, ror #30 - mov r8, r8, ror #30 - -3: subs lr, lr, #1 - sha_f1 r4, r5, r6, r7, r8 - sha_f1 r8, r4, r5, r6, r7 - sha_f1 r7, r8, r4, r5, r6 - sha_f1 r6, r7, r8, r4, r5 - sha_f1 r5, r6, r7, r8, r4 - bne 3b - - ldr r1, .L_sha_K + 4 - mov lr, #4 - -4: subs lr, lr, #1 - sha_f2 r4, r5, r6, r7, r8 - sha_f2 r8, r4, r5, r6, r7 - sha_f2 r7, r8, r4, r5, r6 - sha_f2 r6, r7, r8, r4, r5 - sha_f2 r5, r6, r7, r8, r4 - bne 4b - - ldr r1, .L_sha_K + 8 - mov lr, #4 - -5: subs lr, lr, #1 - sha_f3 r4, r5, r6, r7, r8 - sha_f3 r8, r4, r5, r6, r7 - sha_f3 r7, r8, r4, r5, r6 - sha_f3 r6, r7, r8, r4, r5 - sha_f3 r5, r6, r7, r8, r4 - bne 5b - - ldr r1, .L_sha_K + 12 - mov lr, #4 - -6: subs lr, lr, #1 - sha_f2 r4, r5, r6, r7, r8 - sha_f2 r8, r4, r5, r6, r7 - sha_f2 r7, r8, r4, r5, r6 - sha_f2 r6, r7, r8, r4, r5 - sha_f2 r5, r6, r7, r8, r4 - bne 6b - - ldmia r0, {r1, r2, r3, ip, lr} - add r4, r1, r4 - add r5, r2, r5 - add r6, r3, r6, ror #2 - add r7, ip, r7, ror #2 - add r8, lr, r8, ror #2 - stmia r0, {r4 - r8} - - ldmfd sp!, {r4 - r8, pc} - -ENDPROC(sha_transform) - - .align 2 -.L_sha_K: - .word 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6 - - -/* - * void sha_init(__u32 *buf) - */ - - .align 2 -.L_sha_initial_digest: - .word 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 - -ENTRY(sha_init) - - str lr, [sp, #-4]! - adr r1, .L_sha_initial_digest - ldmia r1, {r1, r2, r3, ip, lr} - stmia r0, {r1, r2, r3, ip, lr} - ldr pc, [sp], #4 - -ENDPROC(sha_init) diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index 45e94aca5bc..3326204e251 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -15,7 +15,7 @@ obj-y := enlighten.o setup.o multicalls.o mmu.o irq.o \ grant-table.o suspend.o platform-pci-unplug.o \ p2m.o -obj-$(CONFIG_FUNCTION_TRACER) += trace.o +obj-$(CONFIG_FTRACE) += trace.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= spinlock.o diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index a9627e2e329..df118a825f3 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -93,8 +93,6 @@ static unsigned long __init xen_release_chunk(phys_addr_t start_addr, if (end <= start) return 0; - printk(KERN_INFO "xen_release_chunk: looking at area pfn %lx-%lx: ", - start, end); for(pfn = start; pfn < end; pfn++) { unsigned long mfn = pfn_to_mfn(pfn); @@ -107,14 +105,14 @@ static unsigned long __init xen_release_chunk(phys_addr_t start_addr, ret = HYPERVISOR_memory_op(XENMEM_decrease_reservation, &reservation); - WARN(ret != 1, "Failed to release memory %lx-%lx err=%d\n", - start, end, ret); + WARN(ret != 1, "Failed to release pfn %lx err=%d\n", pfn, ret); if (ret == 1) { __set_phys_to_machine(pfn, INVALID_P2M_ENTRY); len++; } } - printk(KERN_CONT "%ld pages freed\n", len); + printk(KERN_INFO "Freeing %lx-%lx pfn range: %lu pages freed\n", + start, end, len); return len; } @@ -140,7 +138,7 @@ static unsigned long __init xen_return_unused_memory(unsigned long max_pfn, if (last_end < max_addr) released += xen_release_chunk(last_end, max_addr); - printk(KERN_INFO "released %ld pages of unused memory\n", released); + printk(KERN_INFO "released %lu pages of unused memory\n", released); return released; } diff --git a/arch/x86/xen/trace.c b/arch/x86/xen/trace.c index 734beba2a08..520022d1a18 100644 --- a/arch/x86/xen/trace.c +++ b/arch/x86/xen/trace.c @@ -1,4 +1,5 @@ #include <linux/ftrace.h> +#include <xen/interface/xen.h> #define N(x) |