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Merge branch 'linus' into perf/core, to pick up fixes 

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2016-12-02 10:07:32 +01:00
parent 2471cece40 2caceb3294
commit 3782746a08
196 changed files with 1252 additions and 681 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
MAINTAINERS
View File

@ -77,6 +77,7 @@ Descriptions of section entries:
Q: Patchwork web based patch tracking system site
T: SCM tree type and location.
Type is one of: git, hg, quilt, stgit, topgit
B: Bug tracking system location.
S: Status, one of the following:
Supported: Someone is actually paid to look after this.
Maintained: Someone actually looks after it.
@ -281,6 +282,7 @@ L: linux-acpi@vger.kernel.org
W: https://01.org/linux-acpi
Q: https://patchwork.kernel.org/project/linux-acpi/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
B: https://bugzilla.kernel.org
S: Supported
F: drivers/acpi/
F: drivers/pnp/pnpacpi/
@ -304,6 +306,8 @@ W: https://acpica.org/
W: https://github.com/acpica/acpica/
Q: https://patchwork.kernel.org/project/linux-acpi/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
B: https://bugzilla.kernel.org
B: https://bugs.acpica.org
S: Supported
F: drivers/acpi/acpica/
F: include/acpi/
@ -313,6 +317,7 @@ ACPI FAN DRIVER
M: Zhang Rui <rui.zhang@intel.com>
L: linux-acpi@vger.kernel.org
W: https://01.org/linux-acpi
B: https://bugzilla.kernel.org
S: Supported
F: drivers/acpi/fan.c
@ -328,6 +333,7 @@ ACPI THERMAL DRIVER
M: Zhang Rui <rui.zhang@intel.com>
L: linux-acpi@vger.kernel.org
W: https://01.org/linux-acpi
B: https://bugzilla.kernel.org
S: Supported
F: drivers/acpi/*thermal*
@ -335,6 +341,7 @@ ACPI VIDEO DRIVER
M: Zhang Rui <rui.zhang@intel.com>
L: linux-acpi@vger.kernel.org
W: https://01.org/linux-acpi
B: https://bugzilla.kernel.org
S: Supported
F: drivers/acpi/acpi_video.c
@ -5663,6 +5670,7 @@ HIBERNATION (aka Software Suspend, aka swsusp)
M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
M: Pavel Machek <pavel@ucw.cz>
L: linux-pm@vger.kernel.org
B: https://bugzilla.kernel.org
S: Supported
F: arch/x86/power/
F: drivers/base/power/
@ -9624,6 +9632,7 @@ POWER MANAGEMENT CORE
M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
L: linux-pm@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
B: https://bugzilla.kernel.org
S: Supported
F: drivers/base/power/
F: include/linux/pm.h
@ -11613,6 +11622,7 @@ M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
M: Len Brown <len.brown@intel.com>
M: Pavel Machek <pavel@ucw.cz>
L: linux-pm@vger.kernel.org
B: https://bugzilla.kernel.org
S: Supported
F: Documentation/power/
F: arch/x86/kernel/acpi/

4
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 9
SUBLEVEL = 0
EXTRAVERSION = -rc6
EXTRAVERSION = -rc7
NAME = Psychotic Stoned Sheep
# *DOCUMENTATION*
@ -1019,8 +1019,6 @@ prepare2: prepare3 prepare-compiler-check outputmakefile asm-generic
prepare1: prepare2 $(version_h) include/generated/utsrelease.h \
include/config/auto.conf
$(cmd_crmodverdir)
$(Q)test -e include/generated/autoksyms.h || \
touch include/generated/autoksyms.h
archprepare: archheaders archscripts prepare1 scripts_basic

9
arch/arc/include/asm/delay.h
View File

@ -22,10 +22,11 @@
static inline void __delay(unsigned long loops)
{
__asm__ __volatile__(
" lp 1f \n"
" nop \n"
"1: \n"
: "+l"(loops));
" mov lp_count, %0 \n"
" lp 1f \n"
" nop \n"
"1: \n"
: : "r"(loops));
}
extern void __bad_udelay(void);

2
arch/arc/include/asm/pgtable.h
View File

@ -280,7 +280,7 @@ static inline void pmd_set(pmd_t *pmdp, pte_t *ptep)
#define pte_page(pte) pfn_to_page(pte_pfn(pte))
#define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot)
#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
#define pfn_pte(pfn, prot) __pte(__pfn_to_phys(pfn) | pgprot_val(prot))
/* Don't use virt_to_pfn for macros below: could cause truncations for PAE40*/
#define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT)

2
arch/arc/mm/cache.c
View File

@ -23,7 +23,7 @@
static int l2_line_sz;
static int ioc_exists;
int slc_enable = 1, ioc_enable = 1;
int slc_enable = 1, ioc_enable = 0;
unsigned long perip_base = ARC_UNCACHED_ADDR_SPACE; /* legacy value for boot */
unsigned long perip_end = 0xFFFFFFFF; /* legacy value */

1
arch/arm/include/asm/Kbuild
View File

@ -8,7 +8,6 @@ generic-y += early_ioremap.h
generic-y += emergency-restart.h
generic-y += errno.h
generic-y += exec.h
generic-y += export.h
generic-y += ioctl.h
generic-y += ipcbuf.h
generic-y += irq_regs.h

2
arch/arm/kernel/Makefile
View File

@ -33,7 +33,7 @@ endif
obj-$(CONFIG_CPU_IDLE) += cpuidle.o
obj-$(CONFIG_ISA_DMA_API) += dma.o
obj-$(CONFIG_FIQ) += fiq.o fiqasm.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_MODULES) += armksyms.o module.o
obj-$(CONFIG_ARM_MODULE_PLTS) += module-plts.o
obj-$(CONFIG_ISA_DMA) += dma-isa.o
obj-$(CONFIG_PCI) += bios32.o isa.o

183
arch/arm/kernel/armksyms.c Normal file
View File

@ -0,0 +1,183 @@
/*
* linux/arch/arm/kernel/armksyms.c
*
* Copyright (C) 2000 Russell King
*
* 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/export.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/cryptohash.h>
#include <linux/delay.h>
#include <linux/in6.h>
#include <linux/syscalls.h>
#include <linux/uaccess.h>
#include <linux/io.h>
#include <linux/arm-smccc.h>
#include <asm/checksum.h>
#include <asm/ftrace.h>
/*
* libgcc functions - functions that are used internally by the
* compiler... (prototypes are not correct though, but that
* doesn't really matter since they're not versioned).
*/
extern void __ashldi3(void);
extern void __ashrdi3(void);
extern void __divsi3(void);
extern void __lshrdi3(void);
extern void __modsi3(void);
extern void __muldi3(void);
extern void __ucmpdi2(void);
extern void __udivsi3(void);
extern void __umodsi3(void);
extern void __do_div64(void);
extern void __bswapsi2(void);
extern void __bswapdi2(void);
extern void __aeabi_idiv(void);
extern void __aeabi_idivmod(void);
extern void __aeabi_lasr(void);
extern void __aeabi_llsl(void);
extern void __aeabi_llsr(void);
extern void __aeabi_lmul(void);
extern void __aeabi_uidiv(void);
extern void __aeabi_uidivmod(void);
extern void __aeabi_ulcmp(void);
extern void fpundefinstr(void);
void mmioset(void *, unsigned int, size_t);
void mmiocpy(void *, const void *, size_t);
/* platform dependent support */
EXPORT_SYMBOL(arm_delay_ops);
/* networking */
EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(csum_partial_copy_from_user);
EXPORT_SYMBOL(csum_partial_copy_nocheck);
EXPORT_SYMBOL(__csum_ipv6_magic);
/* io */
#ifndef __raw_readsb
EXPORT_SYMBOL(__raw_readsb);
#endif
#ifndef __raw_readsw
EXPORT_SYMBOL(__raw_readsw);
#endif
#ifndef __raw_readsl
EXPORT_SYMBOL(__raw_readsl);
#endif
#ifndef __raw_writesb
EXPORT_SYMBOL(__raw_writesb);
#endif
#ifndef __raw_writesw
EXPORT_SYMBOL(__raw_writesw);
#endif
#ifndef __raw_writesl
EXPORT_SYMBOL(__raw_writesl);
#endif
/* string / mem functions */
EXPORT_SYMBOL(strchr);
EXPORT_SYMBOL(strrchr);
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(memchr);
EXPORT_SYMBOL(__memzero);
EXPORT_SYMBOL(mmioset);
EXPORT_SYMBOL(mmiocpy);
#ifdef CONFIG_MMU
EXPORT_SYMBOL(copy_page);
EXPORT_SYMBOL(arm_copy_from_user);
EXPORT_SYMBOL(arm_copy_to_user);
EXPORT_SYMBOL(arm_clear_user);
EXPORT_SYMBOL(__get_user_1);
EXPORT_SYMBOL(__get_user_2);
EXPORT_SYMBOL(__get_user_4);
EXPORT_SYMBOL(__get_user_8);
#ifdef __ARMEB__
EXPORT_SYMBOL(__get_user_64t_1);
EXPORT_SYMBOL(__get_user_64t_2);
EXPORT_SYMBOL(__get_user_64t_4);
EXPORT_SYMBOL(__get_user_32t_8);
#endif
EXPORT_SYMBOL(__put_user_1);
EXPORT_SYMBOL(__put_user_2);
EXPORT_SYMBOL(__put_user_4);
EXPORT_SYMBOL(__put_user_8);
#endif
/* gcc lib functions */
EXPORT_SYMBOL(__ashldi3);
EXPORT_SYMBOL(__ashrdi3);
EXPORT_SYMBOL(__divsi3);
EXPORT_SYMBOL(__lshrdi3);
EXPORT_SYMBOL(__modsi3);
EXPORT_SYMBOL(__muldi3);
EXPORT_SYMBOL(__ucmpdi2);
EXPORT_SYMBOL(__udivsi3);
EXPORT_SYMBOL(__umodsi3);
EXPORT_SYMBOL(__do_div64);
EXPORT_SYMBOL(__bswapsi2);
EXPORT_SYMBOL(__bswapdi2);
#ifdef CONFIG_AEABI
EXPORT_SYMBOL(__aeabi_idiv);
EXPORT_SYMBOL(__aeabi_idivmod);
EXPORT_SYMBOL(__aeabi_lasr);
EXPORT_SYMBOL(__aeabi_llsl);
EXPORT_SYMBOL(__aeabi_llsr);
EXPORT_SYMBOL(__aeabi_lmul);
EXPORT_SYMBOL(__aeabi_uidiv);
EXPORT_SYMBOL(__aeabi_uidivmod);
EXPORT_SYMBOL(__aeabi_ulcmp);
#endif
/* bitops */
EXPORT_SYMBOL(_set_bit);
EXPORT_SYMBOL(_test_and_set_bit);
EXPORT_SYMBOL(_clear_bit);
EXPORT_SYMBOL(_test_and_clear_bit);
EXPORT_SYMBOL(_change_bit);
EXPORT_SYMBOL(_test_and_change_bit);
EXPORT_SYMBOL(_find_first_zero_bit_le);
EXPORT_SYMBOL(_find_next_zero_bit_le);
EXPORT_SYMBOL(_find_first_bit_le);
EXPORT_SYMBOL(_find_next_bit_le);
#ifdef __ARMEB__
EXPORT_SYMBOL(_find_first_zero_bit_be);
EXPORT_SYMBOL(_find_next_zero_bit_be);
EXPORT_SYMBOL(_find_first_bit_be);
EXPORT_SYMBOL(_find_next_bit_be);
#endif
#ifdef CONFIG_FUNCTION_TRACER
#ifdef CONFIG_OLD_MCOUNT
EXPORT_SYMBOL(mcount);
#endif
EXPORT_SYMBOL(__gnu_mcount_nc);
#endif
#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
EXPORT_SYMBOL(__pv_phys_pfn_offset);
EXPORT_SYMBOL(__pv_offset);
#endif
#ifdef CONFIG_HAVE_ARM_SMCCC
EXPORT_SYMBOL(arm_smccc_smc);
EXPORT_SYMBOL(arm_smccc_hvc);
#endif

3
arch/arm/kernel/entry-ftrace.S
View File

@ -7,7 +7,6 @@
#include <asm/assembler.h>
#include <asm/ftrace.h>
#include <asm/unwind.h>
#include <asm/export.h>
#include "entry-header.S"
@ -154,7 +153,6 @@ ENTRY(mcount)
__mcount _old
#endif
ENDPROC(mcount)
EXPORT_SYMBOL(mcount)
#ifdef CONFIG_DYNAMIC_FTRACE
ENTRY(ftrace_caller_old)
@ -207,7 +205,6 @@ UNWIND(.fnstart)
#endif
UNWIND(.fnend)
ENDPROC(__gnu_mcount_nc)
EXPORT_SYMBOL(__gnu_mcount_nc)
#ifdef CONFIG_DYNAMIC_FTRACE
ENTRY(ftrace_caller)

3
arch/arm/kernel/head.S
View File

@ -22,7 +22,6 @@
#include <asm/memory.h>
#include <asm/thread_info.h>
#include <asm/pgtable.h>
#include <asm/export.h>
#if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_SEMIHOSTING)
#include CONFIG_DEBUG_LL_INCLUDE
@ -728,8 +727,6 @@ __pv_phys_pfn_offset:
__pv_offset:
.quad 0
.size __pv_offset, . -__pv_offset
EXPORT_SYMBOL(__pv_phys_pfn_offset)
EXPORT_SYMBOL(__pv_offset)
#endif
#include "head-common.S"

3
arch/arm/kernel/smccc-call.S
View File

@ -16,7 +16,6 @@
#include <asm/opcodes-sec.h>
#include <asm/opcodes-virt.h>
#include <asm/unwind.h>
#include <asm/export.h>
/*
* Wrap c macros in asm macros to delay expansion until after the
@ -52,7 +51,6 @@ UNWIND( .fnend)
ENTRY(arm_smccc_smc)
SMCCC SMCCC_SMC
ENDPROC(arm_smccc_smc)
EXPORT_SYMBOL(arm_smccc_smc)
/*
* void smccc_hvc(unsigned long a0, unsigned long a1, unsigned long a2,
@ -62,4 +60,3 @@ EXPORT_SYMBOL(arm_smccc_smc)
ENTRY(arm_smccc_hvc)
SMCCC SMCCC_HVC
ENDPROC(arm_smccc_hvc)
EXPORT_SYMBOL(arm_smccc_hvc)

3
arch/arm/lib/ashldi3.S
View File

@ -28,7 +28,6 @@ Boston, MA 02110-1301, USA. */
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
#ifdef __ARMEB__
#define al r1
@ -53,5 +52,3 @@ ENTRY(__aeabi_llsl)
ENDPROC(__ashldi3)
ENDPROC(__aeabi_llsl)
EXPORT_SYMBOL(__ashldi3)
EXPORT_SYMBOL(__aeabi_llsl)

3
arch/arm/lib/ashrdi3.S
View File

@ -28,7 +28,6 @@ Boston, MA 02110-1301, USA. */
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
#ifdef __ARMEB__
#define al r1
@ -53,5 +52,3 @@ ENTRY(__aeabi_lasr)
ENDPROC(__ashrdi3)
ENDPROC(__aeabi_lasr)
EXPORT_SYMBOL(__ashrdi3)
EXPORT_SYMBOL(__aeabi_lasr)

5
arch/arm/lib/bitops.h
View File

@ -1,6 +1,5 @@
#include <asm/assembler.h>
#include <asm/unwind.h>
#include <asm/export.h>
#if __LINUX_ARM_ARCH__ >= 6
.macro bitop, name, instr
@ -26,7 +25,6 @@ UNWIND( .fnstart )
bx lr
UNWIND( .fnend )
ENDPROC(\name )
EXPORT_SYMBOL(\name )
.endm
.macro testop, name, instr, store
@ -57,7 +55,6 @@ UNWIND( .fnstart )
2: bx lr
UNWIND( .fnend )
ENDPROC(\name )
EXPORT_SYMBOL(\name )
.endm
#else
.macro bitop, name, instr
@ -77,7 +74,6 @@ UNWIND( .fnstart )
ret lr
UNWIND( .fnend )
ENDPROC(\name )
EXPORT_SYMBOL(\name )
.endm
/**
@ -106,6 +102,5 @@ UNWIND( .fnstart )
ret lr
UNWIND( .fnend )
ENDPROC(\name )
EXPORT_SYMBOL(\name )
.endm
#endif

3
arch/arm/lib/bswapsdi2.S
View File

@ -1,6 +1,5 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
#if __LINUX_ARM_ARCH__ >= 6
ENTRY(__bswapsi2)
@ -36,5 +35,3 @@ ENTRY(__bswapdi2)
ret lr
ENDPROC(__bswapdi2)
#endif
EXPORT_SYMBOL(__bswapsi2)
EXPORT_SYMBOL(__bswapdi2)

4
arch/arm/lib/clear_user.S
View File

@ -10,7 +10,6 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/unwind.h>
#include <asm/export.h>
.text
@ -51,9 +50,6 @@ USER( strnebt r2, [r0])
UNWIND(.fnend)
ENDPROC(arm_clear_user)
ENDPROC(__clear_user_std)
#ifndef CONFIG_UACCESS_WITH_MEMCPY
EXPORT_SYMBOL(arm_clear_user)
#endif
.pushsection .text.fixup,"ax"
.align 0

2
arch/arm/lib/copy_from_user.S
View File

@ -13,7 +13,6 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/unwind.h>
#include <asm/export.h>
/*
* Prototype:
@ -95,7 +94,6 @@ ENTRY(arm_copy_from_user)
#include "copy_template.S"
ENDPROC(arm_copy_from_user)
EXPORT_SYMBOL(arm_copy_from_user)
.pushsection .fixup,"ax"
.align 0

2
arch/arm/lib/copy_page.S
View File

@ -13,7 +13,6 @@
#include <asm/assembler.h>
#include <asm/asm-offsets.h>
#include <asm/cache.h>
#include <asm/export.h>
#define COPY_COUNT (PAGE_SZ / (2 * L1_CACHE_BYTES) PLD( -1 ))
@ -46,4 +45,3 @@ ENTRY(copy_page)
PLD( beq 2b )
ldmfd sp!, {r4, pc} @ 3
ENDPROC(copy_page)
EXPORT_SYMBOL(copy_page)

4
arch/arm/lib/copy_to_user.S
View File

@ -13,7 +13,6 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/unwind.h>
#include <asm/export.h>
/*
* Prototype:
@ -100,9 +99,6 @@ WEAK(arm_copy_to_user)
ENDPROC(arm_copy_to_user)
ENDPROC(__copy_to_user_std)
#ifndef CONFIG_UACCESS_WITH_MEMCPY
EXPORT_SYMBOL(arm_copy_to_user)
#endif
.pushsection .text.fixup,"ax"
.align 0

3
arch/arm/lib/csumipv6.S
View File

@ -9,7 +9,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
.text
@ -31,4 +30,4 @@ ENTRY(__csum_ipv6_magic)
adcs r0, r0, #0
ldmfd sp!, {pc}
ENDPROC(__csum_ipv6_magic)
EXPORT_SYMBOL(__csum_ipv6_magic)

2
arch/arm/lib/csumpartial.S
View File

@ -9,7 +9,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
.text
@ -141,4 +140,3 @@ ENTRY(csum_partial)
bne 4b
b .Lless4
ENDPROC(csum_partial)
EXPORT_SYMBOL(csum_partial)

1
arch/arm/lib/csumpartialcopy.S
View File

@ -49,6 +49,5 @@
#define FN_ENTRY ENTRY(csum_partial_copy_nocheck)
#define FN_EXIT ENDPROC(csum_partial_copy_nocheck)
#define FN_EXPORT EXPORT_SYMBOL(csum_partial_copy_nocheck)
#include "csumpartialcopygeneric.S"

2
arch/arm/lib/csumpartialcopygeneric.S
View File

@ -8,7 +8,6 @@
* published by the Free Software Foundation.
*/
#include <asm/assembler.h>
#include <asm/export.h>
/*
* unsigned int
@ -332,4 +331,3 @@ FN_ENTRY
mov r5, r4, get_byte_1
b .Lexit
FN_EXIT
FN_EXPORT

1
arch/arm/lib/csumpartialcopyuser.S
View File

@ -73,7 +73,6 @@
#define FN_ENTRY ENTRY(csum_partial_copy_from_user)
#define FN_EXIT ENDPROC(csum_partial_copy_from_user)
#define FN_EXPORT EXPORT_SYMBOL(csum_partial_copy_from_user)
#include "csumpartialcopygeneric.S"

2
arch/arm/lib/delay.c
View File

@ -24,7 +24,6 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/export.h>
#include <linux/timex.h>
/*
@ -35,7 +34,6 @@ struct arm_delay_ops arm_delay_ops __ro_after_init = {
.const_udelay = __loop_const_udelay,
.udelay = __loop_udelay,
};
EXPORT_SYMBOL(arm_delay_ops);
static const struct delay_timer *delay_timer;
static bool delay_calibrated;

2
arch/arm/lib/div64.S
View File

@ -15,7 +15,6 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/unwind.h>
#include <asm/export.h>
#ifdef __ARMEB__
#define xh r0
@ -211,4 +210,3 @@ Ldiv0_64:
UNWIND(.fnend)
ENDPROC(__do_div64)
EXPORT_SYMBOL(__do_div64)

9
arch/arm/lib/findbit.S
View File

@ -15,7 +15,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
.text
/*
@ -38,7 +37,6 @@ ENTRY(_find_first_zero_bit_le)
3: mov r0, r1 @ no free bits
ret lr
ENDPROC(_find_first_zero_bit_le)
EXPORT_SYMBOL(_find_first_zero_bit_le)
/*
* Purpose : Find next 'zero' bit
@ -59,7 +57,6 @@ ENTRY(_find_next_zero_bit_le)
add r2, r2, #1 @ align bit pointer
b 2b @ loop for next bit
ENDPROC(_find_next_zero_bit_le)
EXPORT_SYMBOL(_find_next_zero_bit_le)
/*
* Purpose : Find a 'one' bit
@ -81,7 +78,6 @@ ENTRY(_find_first_bit_le)
3: mov r0, r1 @ no free bits
ret lr
ENDPROC(_find_first_bit_le)
EXPORT_SYMBOL(_find_first_bit_le)
/*
* Purpose : Find next 'one' bit
@ -101,7 +97,6 @@ ENTRY(_find_next_bit_le)
add r2, r2, #1 @ align bit pointer
b 2b @ loop for next bit
ENDPROC(_find_next_bit_le)
EXPORT_SYMBOL(_find_next_bit_le)
#ifdef __ARMEB__
@ -121,7 +116,6 @@ ENTRY(_find_first_zero_bit_be)
3: mov r0, r1 @ no free bits
ret lr
ENDPROC(_find_first_zero_bit_be)
EXPORT_SYMBOL(_find_first_zero_bit_be)
ENTRY(_find_next_zero_bit_be)
teq r1, #0
@ -139,7 +133,6 @@ ENTRY(_find_next_zero_bit_be)
add r2, r2, #1 @ align bit pointer
b 2b @ loop for next bit
ENDPROC(_find_next_zero_bit_be)
EXPORT_SYMBOL(_find_next_zero_bit_be)
ENTRY(_find_first_bit_be)
teq r1, #0
@ -157,7 +150,6 @@ ENTRY(_find_first_bit_be)
3: mov r0, r1 @ no free bits
ret lr
ENDPROC(_find_first_bit_be)
EXPORT_SYMBOL(_find_first_bit_be)
ENTRY(_find_next_bit_be)
teq r1, #0
@ -174,7 +166,6 @@ ENTRY(_find_next_bit_be)
add r2, r2, #1 @ align bit pointer
b 2b @ loop for next bit
ENDPROC(_find_next_bit_be)
EXPORT_SYMBOL(_find_next_bit_be)
#endif

9
arch/arm/lib/getuser.S
View File

@ -31,7 +31,6 @@
#include <asm/assembler.h>
#include <asm/errno.h>
#include <asm/domain.h>
#include <asm/export.h>
ENTRY(__get_user_1)
check_uaccess r0, 1, r1, r2, __get_user_bad
@ -39,7 +38,6 @@ ENTRY(__get_user_1)
mov r0, #0
ret lr
ENDPROC(__get_user_1)
EXPORT_SYMBOL(__get_user_1)
ENTRY(__get_user_2)
check_uaccess r0, 2, r1, r2, __get_user_bad
@ -60,7 +58,6 @@ rb .req r0
mov r0, #0
ret lr
ENDPROC(__get_user_2)
EXPORT_SYMBOL(__get_user_2)
ENTRY(__get_user_4)
check_uaccess r0, 4, r1, r2, __get_user_bad
@ -68,7 +65,6 @@ ENTRY(__get_user_4)
mov r0, #0
ret lr
ENDPROC(__get_user_4)
EXPORT_SYMBOL(__get_user_4)
ENTRY(__get_user_8)
check_uaccess r0, 8, r1, r2, __get_user_bad
@ -82,7 +78,6 @@ ENTRY(__get_user_8)
mov r0, #0
ret lr
ENDPROC(__get_user_8)
EXPORT_SYMBOL(__get_user_8)
#ifdef __ARMEB__
ENTRY(__get_user_32t_8)
@ -96,7 +91,6 @@ ENTRY(__get_user_32t_8)
mov r0, #0
ret lr
ENDPROC(__get_user_32t_8)
EXPORT_SYMBOL(__get_user_32t_8)
ENTRY(__get_user_64t_1)
check_uaccess r0, 1, r1, r2, __get_user_bad8
@ -104,7 +98,6 @@ ENTRY(__get_user_64t_1)
mov r0, #0
ret lr
ENDPROC(__get_user_64t_1)
EXPORT_SYMBOL(__get_user_64t_1)
ENTRY(__get_user_64t_2)
check_uaccess r0, 2, r1, r2, __get_user_bad8
@ -121,7 +114,6 @@ rb .req r0
mov r0, #0
ret lr
ENDPROC(__get_user_64t_2)
EXPORT_SYMBOL(__get_user_64t_2)
ENTRY(__get_user_64t_4)
check_uaccess r0, 4, r1, r2, __get_user_bad8
@ -129,7 +121,6 @@ ENTRY(__get_user_64t_4)
mov r0, #0
ret lr
ENDPROC(__get_user_64t_4)
EXPORT_SYMBOL(__get_user_64t_4)
#endif
__get_user_bad8:

2
arch/arm/lib/io-readsb.S
View File

@ -9,7 +9,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
.Linsb_align: rsb ip, ip, #4
cmp ip, r2
@ -122,4 +121,3 @@ ENTRY(__raw_readsb)
ldmfd sp!, {r4 - r6, pc}
ENDPROC(__raw_readsb)
EXPORT_SYMBOL(__raw_readsb)

2
arch/arm/lib/io-readsl.S
View File

@ -9,7 +9,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
ENTRY(__raw_readsl)
teq r2, #0 @ do we have to check for the zero len?
@ -78,4 +77,3 @@ ENTRY(__raw_readsl)
strb r3, [r1, #0]
ret lr
ENDPROC(__raw_readsl)
EXPORT_SYMBOL(__raw_readsl)

3
arch/arm/lib/io-readsw-armv3.S
View File

@ -9,7 +9,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
.Linsw_bad_alignment:
adr r0, .Linsw_bad_align_msg
@ -104,4 +103,4 @@ ENTRY(__raw_readsw)
ldmfd sp!, {r4, r5, r6, pc}
EXPORT_SYMBOL(__raw_readsw)

2
arch/arm/lib/io-readsw-armv4.S
View File

@ -9,7 +9,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
.macro pack, rd, hw1, hw2
#ifndef __ARMEB__
@ -130,4 +129,3 @@ ENTRY(__raw_readsw)
strneb ip, [r1]
ldmfd sp!, {r4, pc}
ENDPROC(__raw_readsw)
EXPORT_SYMBOL(__raw_readsw)

2
arch/arm/lib/io-writesb.S
View File

@ -9,7 +9,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
.macro outword, rd
#ifndef __ARMEB__
@ -93,4 +92,3 @@ ENTRY(__raw_writesb)
ldmfd sp!, {r4, r5, pc}
ENDPROC(__raw_writesb)
EXPORT_SYMBOL(__raw_writesb)

2
arch/arm/lib/io-writesl.S
View File

@ -9,7 +9,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
ENTRY(__raw_writesl)
teq r2, #0 @ do we have to check for the zero len?
@ -66,4 +65,3 @@ ENTRY(__raw_writesl)
bne 6b
ret lr
ENDPROC(__raw_writesl)
EXPORT_SYMBOL(__raw_writesl)

2
arch/arm/lib/io-writesw-armv3.S
View File

@ -9,7 +9,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
.Loutsw_bad_alignment:
adr r0, .Loutsw_bad_align_msg
@ -125,4 +124,3 @@ ENTRY(__raw_writesw)
strne ip, [r0]
ldmfd sp!, {r4, r5, r6, pc}
EXPORT_SYMBOL(__raw_writesw)

2
arch/arm/lib/io-writesw-armv4.S
View File

@ -9,7 +9,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
.macro outword, rd
#ifndef __ARMEB__
@ -99,4 +98,3 @@ ENTRY(__raw_writesw)
strneh ip, [r0]
ret lr
ENDPROC(__raw_writesw)
EXPORT_SYMBOL(__raw_writesw)

9
arch/arm/lib/lib1funcs.S
View File

@ -36,7 +36,6 @@ Boston, MA 02111-1307, USA. */
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/unwind.h>
#include <asm/export.h>
.macro ARM_DIV_BODY dividend, divisor, result, curbit
@ -239,8 +238,6 @@ UNWIND(.fnstart)
UNWIND(.fnend)
ENDPROC(__udivsi3)
ENDPROC(__aeabi_uidiv)
EXPORT_SYMBOL(__udivsi3)
EXPORT_SYMBOL(__aeabi_uidiv)
ENTRY(__umodsi3)
UNWIND(.fnstart)
@ -259,7 +256,6 @@ UNWIND(.fnstart)
UNWIND(.fnend)
ENDPROC(__umodsi3)
EXPORT_SYMBOL(__umodsi3)
#ifdef CONFIG_ARM_PATCH_IDIV
.align 3
@ -307,8 +303,6 @@ UNWIND(.fnstart)
UNWIND(.fnend)
ENDPROC(__divsi3)
ENDPROC(__aeabi_idiv)
EXPORT_SYMBOL(__divsi3)
EXPORT_SYMBOL(__aeabi_idiv)
ENTRY(__modsi3)
UNWIND(.fnstart)
@ -333,7 +327,6 @@ UNWIND(.fnstart)
UNWIND(.fnend)
ENDPROC(__modsi3)
EXPORT_SYMBOL(__modsi3)
#ifdef CONFIG_AEABI
@ -350,7 +343,6 @@ UNWIND(.save {r0, r1, ip, lr} )
UNWIND(.fnend)
ENDPROC(__aeabi_uidivmod)
EXPORT_SYMBOL(__aeabi_uidivmod)
ENTRY(__aeabi_idivmod)
UNWIND(.fnstart)
@ -364,7 +356,6 @@ UNWIND(.save {r0, r1, ip, lr} )
UNWIND(.fnend)
ENDPROC(__aeabi_idivmod)
EXPORT_SYMBOL(__aeabi_idivmod)
#endif

3
arch/arm/lib/lshrdi3.S
View File

@ -28,7 +28,6 @@ Boston, MA 02110-1301, USA. */
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
#ifdef __ARMEB__
#define al r1
@ -53,5 +52,3 @@ ENTRY(__aeabi_llsr)
ENDPROC(__lshrdi3)
ENDPROC(__aeabi_llsr)
EXPORT_SYMBOL(__lshrdi3)
EXPORT_SYMBOL(__aeabi_llsr)

2
arch/arm/lib/memchr.S
View File

@ -11,7 +11,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
.text
.align 5
@ -25,4 +24,3 @@ ENTRY(memchr)
2: movne r0, #0
ret lr
ENDPROC(memchr)
EXPORT_SYMBOL(memchr)

3
arch/arm/lib/memcpy.S
View File

@ -13,7 +13,6 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/unwind.h>
#include <asm/export.h>
#define LDR1W_SHIFT 0
#define STR1W_SHIFT 0
@ -69,5 +68,3 @@ ENTRY(memcpy)
ENDPROC(memcpy)
ENDPROC(mmiocpy)
EXPORT_SYMBOL(memcpy)
EXPORT_SYMBOL(mmiocpy)

2
arch/arm/lib/memmove.S
View File

@ -13,7 +13,6 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/unwind.h>
#include <asm/export.h>
.text
@ -226,4 +225,3 @@ ENTRY(memmove)
18: backward_copy_shift push=24 pull=8
ENDPROC(memmove)
EXPORT_SYMBOL(memmove)

3
arch/arm/lib/memset.S
View File

@ -12,7 +12,6 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/unwind.h>
#include <asm/export.h>
.text
.align 5
@ -136,5 +135,3 @@ UNWIND( .fnstart )
UNWIND( .fnend )
ENDPROC(memset)
ENDPROC(mmioset)
EXPORT_SYMBOL(memset)
EXPORT_SYMBOL(mmioset)

2
arch/arm/lib/memzero.S
View File

@ -10,7 +10,6 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/unwind.h>
#include <asm/export.h>
.text
.align 5
@ -136,4 +135,3 @@ UNWIND( .fnstart )
ret lr @ 1
UNWIND( .fnend )
ENDPROC(__memzero)
EXPORT_SYMBOL(__memzero)

3
arch/arm/lib/muldi3.S
View File

@ -12,7 +12,6 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
#ifdef __ARMEB__
#define xh r0
@ -47,5 +46,3 @@ ENTRY(__aeabi_lmul)
ENDPROC(__muldi3)
ENDPROC(__aeabi_lmul)
EXPORT_SYMBOL(__muldi3)
EXPORT_SYMBOL(__aeabi_lmul)

5
arch/arm/lib/putuser.S
View File

@ -31,7 +31,6 @@
#include <asm/assembler.h>
#include <asm/errno.h>
#include <asm/domain.h>
#include <asm/export.h>
ENTRY(__put_user_1)
check_uaccess r0, 1, r1, ip, __put_user_bad
@ -39,7 +38,6 @@ ENTRY(__put_user_1)
mov r0, #0
ret lr
ENDPROC(__put_user_1)
EXPORT_SYMBOL(__put_user_1)
ENTRY(__put_user_2)
check_uaccess r0, 2, r1, ip, __put_user_bad
@ -64,7 +62,6 @@ ENTRY(__put_user_2)
mov r0, #0
ret lr
ENDPROC(__put_user_2)
EXPORT_SYMBOL(__put_user_2)
ENTRY(__put_user_4)
check_uaccess r0, 4, r1, ip, __put_user_bad
@ -72,7 +69,6 @@ ENTRY(__put_user_4)
mov r0, #0
ret lr
ENDPROC(__put_user_4)
EXPORT_SYMBOL(__put_user_4)
ENTRY(__put_user_8)
check_uaccess r0, 8, r1, ip, __put_user_bad
@ -86,7 +82,6 @@ ENTRY(__put_user_8)
mov r0, #0
ret lr
ENDPROC(__put_user_8)
EXPORT_SYMBOL(__put_user_8)
__put_user_bad:
mov r0, #-EFAULT

2
arch/arm/lib/strchr.S
View File

@ -11,7 +11,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
.text
.align 5
@ -26,4 +25,3 @@ ENTRY(strchr)
subeq r0, r0, #1
ret lr
ENDPROC(strchr)
EXPORT_SYMBOL(strchr)

2
arch/arm/lib/strrchr.S
View File

@ -11,7 +11,6 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
.text
.align 5
@ -25,4 +24,3 @@ ENTRY(strrchr)
mov r0, r3
ret lr
ENDPROC(strrchr)
EXPORT_SYMBOL(strrchr)

3
arch/arm/lib/uaccess_with_memcpy.c
View File

@ -19,7 +19,6 @@
#include <linux/gfp.h>
#include <linux/highmem.h>
#include <linux/hugetlb.h>
#include <linux/export.h>
#include <asm/current.h>
#include <asm/page.h>
@ -157,7 +156,6 @@ arm_copy_to_user(void __user *to, const void *from, unsigned long n)
}
return n;
}
EXPORT_SYMBOL(arm_copy_to_user);
static unsigned long noinline
__clear_user_memset(void __user *addr, unsigned long n)
@ -215,7 +213,6 @@ unsigned long arm_clear_user(void __user *addr, unsigned long n)
}
return n;
}
EXPORT_SYMBOL(arm_clear_user);
#if 0

3
arch/arm/lib/ucmpdi2.S
View File

@ -12,7 +12,6 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
#ifdef __ARMEB__
#define xh r0
@ -36,7 +35,6 @@ ENTRY(__ucmpdi2)
ret lr
ENDPROC(__ucmpdi2)
EXPORT_SYMBOL(__ucmpdi2)
#ifdef CONFIG_AEABI
@ -50,7 +48,6 @@ ENTRY(__aeabi_ulcmp)
ret lr
ENDPROC(__aeabi_ulcmp)
EXPORT_SYMBOL(__aeabi_ulcmp)
#endif

1
arch/arm/mach-imx/Makefile
View File

@ -32,6 +32,7 @@ endif
ifdef CONFIG_SND_IMX_SOC
obj-y += ssi-fiq.o
obj-y += ssi-fiq-ksym.o
endif
# i.MX21 based machines

20
arch/arm/mach-imx/ssi-fiq-ksym.c Normal file
View File

@ -0,0 +1,20 @@
/*
* Exported ksyms for the SSI FIQ handler
*
* Copyright (C) 2009, Sascha Hauer <s.hauer@pengutronix.de>
*
* 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/platform_data/asoc-imx-ssi.h>
EXPORT_SYMBOL(imx_ssi_fiq_tx_buffer);
EXPORT_SYMBOL(imx_ssi_fiq_rx_buffer);
EXPORT_SYMBOL(imx_ssi_fiq_start);
EXPORT_SYMBOL(imx_ssi_fiq_end);
EXPORT_SYMBOL(imx_ssi_fiq_base);

7
arch/arm/mach-imx/ssi-fiq.S
View File

@ -8,7 +8,6 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/export.h>
/*
* r8 = bit 0-15: tx offset, bit 16-31: tx buffer size
@ -145,8 +144,4 @@ imx_ssi_fiq_tx_buffer:
.word 0x0
.L_imx_ssi_fiq_end:
imx_ssi_fiq_end:
EXPORT_SYMBOL(imx_ssi_fiq_tx_buffer)
EXPORT_SYMBOL(imx_ssi_fiq_rx_buffer)
EXPORT_SYMBOL(imx_ssi_fiq_start)
EXPORT_SYMBOL(imx_ssi_fiq_end)
EXPORT_SYMBOL(imx_ssi_fiq_base)

6
arch/mips/include/asm/mipsregs.h
View File

@ -214,6 +214,12 @@
#error Bad page size configuration for hugetlbfs!
#endif
/*
* Wired register bits
*/
#define MIPSR6_WIRED_LIMIT (_ULCAST_(0xffff) << 16)
#define MIPSR6_WIRED_WIRED (_ULCAST_(0xffff) << 0)
/*
* Values used for computation of new tlb entries
*/

13
arch/mips/include/asm/tlb.h
View File

@ -1,6 +1,9 @@
#ifndef __ASM_TLB_H
#define __ASM_TLB_H
#include <asm/cpu-features.h>
#include <asm/mipsregs.h>
/*
* MIPS doesn't need any special per-pte or per-vma handling, except
* we need to flush cache for area to be unmapped.
@ -22,6 +25,16 @@
((CKSEG0 + ((idx) << (PAGE_SHIFT + 1))) | \
(cpu_has_tlbinv ? MIPS_ENTRYHI_EHINV : 0))
static inline unsigned int num_wired_entries(void)
{
unsigned int wired = read_c0_wired();
if (cpu_has_mips_r6)
wired &= MIPSR6_WIRED_WIRED;
return wired;
}
#include <asm-generic/tlb.h>
#endif /* __ASM_TLB_H */

9
arch/mips/mm/fault.c
View File

@ -209,17 +209,18 @@ bad_area_nosemaphore:
if (show_unhandled_signals &&
unhandled_signal(tsk, SIGSEGV) &&
__ratelimit(&ratelimit_state)) {
pr_info("\ndo_page_fault(): sending SIGSEGV to %s for invalid %s %0*lx",
pr_info("do_page_fault(): sending SIGSEGV to %s for invalid %s %0*lx\n",
tsk->comm,
write ? "write access to" : "read access from",
field, address);
pr_info("epc = %0*lx in", field,
(unsigned long) regs->cp0_epc);
print_vma_addr(" ", regs->cp0_epc);
print_vma_addr(KERN_CONT " ", regs->cp0_epc);
pr_cont("\n");
pr_info("ra = %0*lx in", field,
(unsigned long) regs->regs[31]);
print_vma_addr(" ", regs->regs[31]);
pr_info("\n");
print_vma_addr(KERN_CONT " ", regs->regs[31]);
pr_cont("\n");
}
current->thread.trap_nr = (regs->cp0_cause >> 2) & 0x1f;
info.si_signo = SIGSEGV;

4
arch/mips/mm/init.c
View File

@ -118,7 +118,7 @@ static void *__kmap_pgprot(struct page *page, unsigned long addr, pgprot_t prot)
writex_c0_entrylo1(entrylo);
}
#endif
tlbidx = read_c0_wired();
tlbidx = num_wired_entries();
write_c0_wired(tlbidx + 1);
write_c0_index(tlbidx);
mtc0_tlbw_hazard();
@ -147,7 +147,7 @@ void kunmap_coherent(void)
local_irq_save(flags);
old_ctx = read_c0_entryhi();
wired = read_c0_wired() - 1;
wired = num_wired_entries() - 1;
write_c0_wired(wired);
write_c0_index(wired);
write_c0_entryhi(UNIQUE_ENTRYHI(wired));

6
arch/mips/mm/tlb-r4k.c
View File

@ -65,7 +65,7 @@ void local_flush_tlb_all(void)
write_c0_entrylo0(0);
write_c0_entrylo1(0);
entry = read_c0_wired();
entry = num_wired_entries();
/*
* Blast 'em all away.
@ -385,7 +385,7 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
old_ctx = read_c0_entryhi();
htw_stop();
old_pagemask = read_c0_pagemask();
wired = read_c0_wired();
wired = num_wired_entries();
write_c0_wired(wired + 1);
write_c0_index(wired);
tlbw_use_hazard(); /* What is the hazard here? */
@ -449,7 +449,7 @@ __init int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
htw_stop();
old_ctx = read_c0_entryhi();
old_pagemask = read_c0_pagemask();
wired = read_c0_wired();
wired = num_wired_entries();
if (--temp_tlb_entry < wired) {
printk(KERN_WARNING
"No TLB space left for add_temporary_entry\n");

4
arch/parisc/Kconfig
View File

@ -34,7 +34,9 @@ config PARISC
select HAVE_ARCH_HASH
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
select HAVE_UNSTABLE_SCHED_CLOCK if (SMP || !64BIT)
select GENERIC_SCHED_CLOCK
select HAVE_UNSTABLE_SCHED_CLOCK if SMP
select GENERIC_CLOCKEVENTS
select ARCH_NO_COHERENT_DMA_MMAP
select CPU_NO_EFFICIENT_FFS

31
arch/parisc/kernel/cache.c
View File

@ -369,6 +369,7 @@ void __init parisc_setup_cache_timing(void)
{
unsigned long rangetime, alltime;
unsigned long size, start;
unsigned long threshold;
alltime = mfctl(16);
flush_data_cache();
@ -382,17 +383,12 @@ void __init parisc_setup_cache_timing(void)
printk(KERN_DEBUG "Whole cache flush %lu cycles, flushing %lu bytes %lu cycles\n",
alltime, size, rangetime);
/* Racy, but if we see an intermediate value, it's ok too... */
parisc_cache_flush_threshold = size * alltime / rangetime;
parisc_cache_flush_threshold = L1_CACHE_ALIGN(parisc_cache_flush_threshold);
if (!parisc_cache_flush_threshold)
parisc_cache_flush_threshold = FLUSH_THRESHOLD;
if (parisc_cache_flush_threshold > cache_info.dc_size)
parisc_cache_flush_threshold = cache_info.dc_size;
printk(KERN_INFO "Setting cache flush threshold to %lu kB\n",
threshold = L1_CACHE_ALIGN(size * alltime / rangetime);
if (threshold > cache_info.dc_size)
threshold = cache_info.dc_size;
if (threshold)
parisc_cache_flush_threshold = threshold;
printk(KERN_INFO "Cache flush threshold set to %lu KiB\n",
parisc_cache_flush_threshold/1024);
/* calculate TLB flush threshold */
@ -401,7 +397,7 @@ void __init parisc_setup_cache_timing(void)
flush_tlb_all();
alltime = mfctl(16) - alltime;
size = PAGE_SIZE;
size = 0;
start = (unsigned long) _text;
rangetime = mfctl(16);
while (start < (unsigned long) _end) {
@ -414,13 +410,10 @@ void __init parisc_setup_cache_timing(void)
printk(KERN_DEBUG "Whole TLB flush %lu cycles, flushing %lu bytes %lu cycles\n",
alltime, size, rangetime);
parisc_tlb_flush_threshold = size * alltime / rangetime;
parisc_tlb_flush_threshold *= num_online_cpus();
parisc_tlb_flush_threshold = PAGE_ALIGN(parisc_tlb_flush_threshold);
if (!parisc_tlb_flush_threshold)
parisc_tlb_flush_threshold = FLUSH_TLB_THRESHOLD;
printk(KERN_INFO "Setting TLB flush threshold to %lu kB\n",
threshold = PAGE_ALIGN(num_online_cpus() * size * alltime / rangetime);
if (threshold)
parisc_tlb_flush_threshold = threshold;
printk(KERN_INFO "TLB flush threshold set to %lu KiB\n",
parisc_tlb_flush_threshold/1024);
}

8
arch/parisc/kernel/inventory.c
View File

@ -58,7 +58,7 @@ void __init setup_pdc(void)
status = pdc_system_map_find_mods(&module_result, &module_path, 0);
if (status == PDC_OK) {
pdc_type = PDC_TYPE_SYSTEM_MAP;
printk("System Map.\n");
pr_cont("System Map.\n");
return;
}
@ -77,7 +77,7 @@ void __init setup_pdc(void)
status = pdc_pat_cell_get_number(&cell_info);
if (status == PDC_OK) {
pdc_type = PDC_TYPE_PAT;
printk("64 bit PAT.\n");
pr_cont("64 bit PAT.\n");
return;
}
#endif
@ -97,12 +97,12 @@ void __init setup_pdc(void)
case 0xC: /* 715/64, at least */
pdc_type = PDC_TYPE_SNAKE;
printk("Snake.\n");
pr_cont("Snake.\n");
return;
default: /* Everything else */
printk("Unsupported.\n");
pr_cont("Unsupported.\n");
panic("If this is a 64-bit machine, please try a 64-bit kernel.\n");
}
}

37
arch/parisc/kernel/pacache.S
View File

@ -96,7 +96,7 @@ fitmanyloop: /* Loop if LOOP >= 2 */
fitmanymiddle: /* Loop if LOOP >= 2 */
addib,COND(>) -1, %r31, fitmanymiddle /* Adjusted inner loop decr */
pitlbe 0(%sr1, %r28)
pitlbe %r0(%sr1, %r28)
pitlbe,m %arg1(%sr1, %r28) /* Last pitlbe and addr adjust */
addib,COND(>) -1, %r29, fitmanymiddle /* Middle loop decr */
copy %arg3, %r31 /* Re-init inner loop count */
@ -139,7 +139,7 @@ fdtmanyloop: /* Loop if LOOP >= 2 */
fdtmanymiddle: /* Loop if LOOP >= 2 */
addib,COND(>) -1, %r31, fdtmanymiddle /* Adjusted inner loop decr */
pdtlbe 0(%sr1, %r28)
pdtlbe %r0(%sr1, %r28)
pdtlbe,m %arg1(%sr1, %r28) /* Last pdtlbe and addr adjust */
addib,COND(>) -1, %r29, fdtmanymiddle /* Middle loop decr */
copy %arg3, %r31 /* Re-init inner loop count */
@ -626,12 +626,12 @@ ENTRY_CFI(copy_user_page_asm)
/* Purge any old translations */
#ifdef CONFIG_PA20
pdtlb,l 0(%r28)
pdtlb,l 0(%r29)
pdtlb,l %r0(%r28)
pdtlb,l %r0(%r29)
#else
tlb_lock %r20,%r21,%r22
pdtlb 0(%r28)
pdtlb 0(%r29)
pdtlb %r0(%r28)
pdtlb %r0(%r29)
tlb_unlock %r20,%r21,%r22
#endif
@ -774,10 +774,10 @@ ENTRY_CFI(clear_user_page_asm)
/* Purge any old translation */
#ifdef CONFIG_PA20
pdtlb,l 0(%r28)
pdtlb,l %r0(%r28)
#else
tlb_lock %r20,%r21,%r22
pdtlb 0(%r28)
pdtlb %r0(%r28)
tlb_unlock %r20,%r21,%r22
#endif
@ -858,10 +858,10 @@ ENTRY_CFI(flush_dcache_page_asm)
/* Purge any old translation */
#ifdef CONFIG_PA20
pdtlb,l 0(%r28)
pdtlb,l %r0(%r28)
#else
tlb_lock %r20,%r21,%r22
pdtlb 0(%r28)
pdtlb %r0(%r28)
tlb_unlock %r20,%r21,%r22
#endif
@ -898,10 +898,10 @@ ENTRY_CFI(flush_dcache_page_asm)
sync
#ifdef CONFIG_PA20
pdtlb,l 0(%r25)
pdtlb,l %r0(%r25)
#else
tlb_lock %r20,%r21,%r22
pdtlb 0(%r25)
pdtlb %r0(%r25)
tlb_unlock %r20,%r21,%r22
#endif
@ -931,13 +931,18 @@ ENTRY_CFI(flush_icache_page_asm)
depwi 0, 31,PAGE_SHIFT, %r28 /* Clear any offset bits */
#endif
/* Purge any old translation */
/* Purge any old translation. Note that the FIC instruction
* may use either the instruction or data TLB. Given that we
* have a flat address space, it's not clear which TLB will be
* used. So, we purge both entries. */
#ifdef CONFIG_PA20
pdtlb,l %r0(%r28)
pitlb,l %r0(%sr4,%r28)
#else
tlb_lock %r20,%r21,%r22
pitlb (%sr4,%r28)
pdtlb %r0(%r28)
pitlb %r0(%sr4,%r28)
tlb_unlock %r20,%r21,%r22
#endif
@ -976,10 +981,12 @@ ENTRY_CFI(flush_icache_page_asm)
sync
#ifdef CONFIG_PA20
pdtlb,l %r0(%r28)
pitlb,l %r0(%sr4,%r25)
#else
tlb_lock %r20,%r21,%r22
pitlb (%sr4,%r25)
pdtlb %r0(%r28)
pitlb %r0(%sr4,%r25)
tlb_unlock %r20,%r21,%r22
#endif

2
arch/parisc/kernel/pci-dma.c
View File

@ -95,8 +95,8 @@ static inline int map_pte_uncached(pte_t * pte,
if (!pte_none(*pte))
printk(KERN_ERR "map_pte_uncached: page already exists\n");
set_pte(pte, __mk_pte(*paddr_ptr, PAGE_KERNEL_UNC));
purge_tlb_start(flags);
set_pte(pte, __mk_pte(*paddr_ptr, PAGE_KERNEL_UNC));
pdtlb_kernel(orig_vaddr);
purge_tlb_end(flags);
vaddr += PAGE_SIZE;

4
arch/parisc/kernel/setup.c
View File

@ -334,6 +334,10 @@ static int __init parisc_init(void)
/* tell PDC we're Linux. Nevermind failure. */
pdc_stable_write(0x40, &osid, sizeof(osid));
/* start with known state */
flush_cache_all_local();
flush_tlb_all_local(NULL);
processor_init();
#ifdef CONFIG_SMP
pr_info("CPU(s): %d out of %d %s at %d.%06d MHz online\n",

57
arch/parisc/kernel/time.c
View File

@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/rtc.h>
#include <linux/sched.h>
#include <linux/sched_clock.h>
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/string.h>
@ -39,18 +40,6 @@
static unsigned long clocktick __read_mostly; /* timer cycles per tick */
#ifndef CONFIG_64BIT
/*
* The processor-internal cycle counter (Control Register 16) is used as time
* source for the sched_clock() function. This register is 64bit wide on a
* 64-bit kernel and 32bit on a 32-bit kernel. Since sched_clock() always
* requires a 64bit counter we emulate on the 32-bit kernel the higher 32bits
* with a per-cpu variable which we increase every time the counter
* wraps-around (which happens every ~4 secounds).
*/
static DEFINE_PER_CPU(unsigned long, cr16_high_32_bits);
#endif
/*
* We keep time on PA-RISC Linux by using the Interval Timer which is
* a pair of registers; one is read-only and one is write-only; both
@ -121,12 +110,6 @@ irqreturn_t __irq_entry timer_interrupt(int irq, void *dev_id)
*/
mtctl(next_tick, 16);
#if !defined(CONFIG_64BIT)
/* check for overflow on a 32bit kernel (every ~4 seconds). */
if (unlikely(next_tick < now))
this_cpu_inc(cr16_high_32_bits);
#endif
/* Skip one clocktick on purpose if we missed next_tick.
* The new CR16 must be "later" than current CR16 otherwise
* itimer would not fire until CR16 wrapped - e.g 4 seconds
@ -208,7 +191,7 @@ EXPORT_SYMBOL(profile_pc);
/* clock source code */
static cycle_t read_cr16(struct clocksource *cs)
static cycle_t notrace read_cr16(struct clocksource *cs)
{
return get_cycles();
}
@ -287,26 +270,9 @@ void read_persistent_clock(struct timespec *ts)
}
/*
* sched_clock() framework
*/
static u32 cyc2ns_mul __read_mostly;
static u32 cyc2ns_shift __read_mostly;
u64 sched_clock(void)
static u64 notrace read_cr16_sched_clock(void)
{
u64 now;
/* Get current cycle counter (Control Register 16). */
#ifdef CONFIG_64BIT
now = mfctl(16);
#else
now = mfctl(16) + (((u64) this_cpu_read(cr16_high_32_bits)) << 32);
#endif
/* return the value in ns (cycles_2_ns) */
return mul_u64_u32_shr(now, cyc2ns_mul, cyc2ns_shift);
return get_cycles();
}
@ -316,17 +282,16 @@ u64 sched_clock(void)
void __init time_init(void)
{
unsigned long current_cr16_khz;
unsigned long cr16_hz;
current_cr16_khz = PAGE0->mem_10msec/10; /* kHz */
clocktick = (100 * PAGE0->mem_10msec) / HZ;
/* calculate mult/shift values for cr16 */
clocks_calc_mult_shift(&cyc2ns_mul, &cyc2ns_shift, current_cr16_khz,
NSEC_PER_MSEC, 0);
start_cpu_itimer(); /* get CPU 0 started */
cr16_hz = 100 * PAGE0->mem_10msec; /* Hz */
/* register at clocksource framework */
clocksource_register_khz(&clocksource_cr16, current_cr16_khz);
clocksource_register_hz(&clocksource_cr16, cr16_hz);
/* register as sched_clock source */
sched_clock_register(read_cr16_sched_clock, BITS_PER_LONG, cr16_hz);
}

8
arch/powerpc/boot/main.c
View File

@ -232,8 +232,12 @@ void start(void)
console_ops.close();
kentry = (kernel_entry_t) vmlinux.addr;
if (ft_addr)
kentry(ft_addr, 0, NULL);
if (ft_addr) {
if(platform_ops.kentry)
platform_ops.kentry(ft_addr, vmlinux.addr);
else
kentry(ft_addr, 0, NULL);
}
else
kentry((unsigned long)initrd.addr, initrd.size,
loader_info.promptr);

13
arch/powerpc/boot/opal-calls.S
View File

@ -12,6 +12,19 @@
.text
.globl opal_kentry
opal_kentry:
/* r3 is the fdt ptr */
mtctr r4
li r4, 0
li r5, 0
li r6, 0
li r7, 0
ld r11,opal@got(r2)
ld r8,0(r11)
ld r9,8(r11)
bctr
#define OPAL_CALL(name, token) \
.globl name; \
name: \

11
arch/powerpc/boot/opal.c
View File

@ -23,14 +23,25 @@ struct opal {
static u32 opal_con_id;
/* see opal-wrappers.S */
int64_t opal_console_write(int64_t term_number, u64 *length, const u8 *buffer);
int64_t opal_console_read(int64_t term_number, uint64_t *length, u8 *buffer);
int64_t opal_console_write_buffer_space(uint64_t term_number, uint64_t *length);
int64_t opal_console_flush(uint64_t term_number);
int64_t opal_poll_events(uint64_t *outstanding_event_mask);
void opal_kentry(unsigned long fdt_addr, void *vmlinux_addr);
static int opal_con_open(void)
{
/*
* When OPAL loads the boot kernel it stashes the OPAL base and entry
* address in r8 and r9 so the kernel can use the OPAL console
* before unflattening the devicetree. While executing the wrapper will
* probably trash r8 and r9 so this kentry hook restores them before
* entering the decompressed kernel.
*/
platform_ops.kentry = opal_kentry;
return 0;
}

1
arch/powerpc/boot/ops.h
View File

@ -30,6 +30,7 @@ struct platform_ops {
void * (*realloc)(void *ptr, unsigned long size);
void (*exit)(void);
void * (*vmlinux_alloc)(unsigned long size);
void (*kentry)(unsigned long fdt_addr, void *vmlinux_addr);
};
extern struct platform_ops platform_ops;

12
arch/powerpc/include/asm/asm-prototypes.h
View File

@ -14,6 +14,10 @@
#include <linux/threads.h>
#include <linux/kprobes.h>
#include <asm/cacheflush.h>
#include <asm/checksum.h>
#include <asm/uaccess.h>
#include <asm/epapr_hcalls.h>
#include <uapi/asm/ucontext.h>
@ -109,4 +113,12 @@ void early_setup_secondary(void);
/* time */
void accumulate_stolen_time(void);
/* misc runtime */
extern u64 __bswapdi2(u64);
extern s64 __lshrdi3(s64, int);
extern s64 __ashldi3(s64, int);
extern s64 __ashrdi3(s64, int);
extern int __cmpdi2(s64, s64);
extern int __ucmpdi2(u64, u64);
#endif /* _ASM_POWERPC_ASM_PROTOTYPES_H */

14
arch/powerpc/include/asm/mmu.h
View File

@ -28,6 +28,12 @@
* Individual features below.
*/
/*
* Kernel read only support.
* We added the ppp value 0b110 in ISA 2.04.
*/
#define MMU_FTR_KERNEL_RO ASM_CONST(0x00004000)
/*
* We need to clear top 16bits of va (from the remaining 64 bits )in
* tlbie* instructions
@ -103,10 +109,10 @@
#define MMU_FTRS_POWER4 MMU_FTRS_DEFAULT_HPTE_ARCH_V2
#define MMU_FTRS_PPC970 MMU_FTRS_POWER4 | MMU_FTR_TLBIE_CROP_VA
#define MMU_FTRS_POWER5 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
#define MMU_FTRS_POWER6 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
#define MMU_FTRS_POWER7 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
#define MMU_FTRS_POWER8 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
#define MMU_FTRS_POWER9 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
#define MMU_FTRS_POWER6 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE | MMU_FTR_KERNEL_RO
#define MMU_FTRS_POWER7 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE | MMU_FTR_KERNEL_RO
#define MMU_FTRS_POWER8 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE | MMU_FTR_KERNEL_RO
#define MMU_FTRS_POWER9 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE | MMU_FTR_KERNEL_RO
#define MMU_FTRS_CELL MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \
MMU_FTR_CI_LARGE_PAGE
#define MMU_FTRS_PA6T MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \

1
arch/powerpc/include/asm/reg.h
View File

@ -355,6 +355,7 @@
#define LPCR_PECE0 ASM_CONST(0x0000000000004000) /* ext. exceptions can cause exit */
#define LPCR_PECE1 ASM_CONST(0x0000000000002000) /* decrementer can cause exit */
#define LPCR_PECE2 ASM_CONST(0x0000000000001000) /* machine check etc can cause exit */
#define LPCR_PECE_HVEE ASM_CONST(0x0000400000000000) /* P9 Wakeup on HV interrupts */
#define LPCR_MER ASM_CONST(0x0000000000000800) /* Mediated External Exception */
#define LPCR_MER_SH 11
#define LPCR_TC ASM_CONST(0x0000000000000200) /* Translation control */

8
arch/powerpc/kernel/cpu_setup_power.S
View File

@ -98,8 +98,8 @@ _GLOBAL(__setup_cpu_power9)
li r0,0
mtspr SPRN_LPID,r0
mfspr r3,SPRN_LPCR
ori r3, r3, LPCR_PECEDH
ori r3, r3, LPCR_HVICE
LOAD_REG_IMMEDIATE(r4, LPCR_PECEDH | LPCR_PECE_HVEE | LPCR_HVICE)
or r3, r3, r4
bl __init_LPCR
bl __init_HFSCR
bl __init_tlb_power9
@ -118,8 +118,8 @@ _GLOBAL(__restore_cpu_power9)
li r0,0
mtspr SPRN_LPID,r0
mfspr r3,SPRN_LPCR
ori r3, r3, LPCR_PECEDH
ori r3, r3, LPCR_HVICE
LOAD_REG_IMMEDIATE(r4, LPCR_PECEDH | LPCR_PECE_HVEE | LPCR_HVICE)
or r3, r3, r4
bl __init_LPCR
bl __init_HFSCR
bl __init_tlb_power9

8
arch/powerpc/mm/hash_utils_64.c
View File

@ -193,8 +193,12 @@ unsigned long htab_convert_pte_flags(unsigned long pteflags)
/*
* Kernel read only mapped with ppp bits 0b110
*/
if (!(pteflags & _PAGE_WRITE))
rflags |= (HPTE_R_PP0 | 0x2);
if (!(pteflags & _PAGE_WRITE)) {
if (mmu_has_feature(MMU_FTR_KERNEL_RO))
rflags |= (HPTE_R_PP0 | 0x2);
else
rflags |= 0x3;
}
} else {
if (pteflags & _PAGE_RWX)
rflags |= 0x2;

36
arch/x86/kvm/emulate.c
View File

@ -2105,16 +2105,10 @@ static int em_iret(struct x86_emulate_ctxt *ctxt)
static int em_jmp_far(struct x86_emulate_ctxt *ctxt)
{
int rc;
unsigned short sel, old_sel;
struct desc_struct old_desc, new_desc;
const struct x86_emulate_ops *ops = ctxt->ops;
unsigned short sel;
struct desc_struct new_desc;
u8 cpl = ctxt->ops->cpl(ctxt);
/* Assignment of RIP may only fail in 64-bit mode */
if (ctxt->mode == X86EMUL_MODE_PROT64)
ops->get_segment(ctxt, &old_sel, &old_desc, NULL,
VCPU_SREG_CS);
memcpy(&sel, ctxt->src.valptr + ctxt->op_bytes, 2);
rc = __load_segment_descriptor(ctxt, sel, VCPU_SREG_CS, cpl,
@ -2124,12 +2118,10 @@ static int em_jmp_far(struct x86_emulate_ctxt *ctxt)
return rc;
rc = assign_eip_far(ctxt, ctxt->src.val, &new_desc);
if (rc != X86EMUL_CONTINUE) {
WARN_ON(ctxt->mode != X86EMUL_MODE_PROT64);
/* assigning eip failed; restore the old cs */
ops->set_segment(ctxt, old_sel, &old_desc, 0, VCPU_SREG_CS);
return rc;
}
/* Error handling is not implemented. */
if (rc != X86EMUL_CONTINUE)
return X86EMUL_UNHANDLEABLE;
return rc;
}
@ -2189,14 +2181,8 @@ static int em_ret_far(struct x86_emulate_ctxt *ctxt)
{
int rc;
unsigned long eip, cs;
u16 old_cs;
int cpl = ctxt->ops->cpl(ctxt);
struct desc_struct old_desc, new_desc;
const struct x86_emulate_ops *ops = ctxt->ops;
if (ctxt->mode == X86EMUL_MODE_PROT64)
ops->get_segment(ctxt, &old_cs, &old_desc, NULL,
VCPU_SREG_CS);
struct desc_struct new_desc;
rc = emulate_pop(ctxt, &eip, ctxt->op_bytes);
if (rc != X86EMUL_CONTINUE)
@ -2213,10 +2199,10 @@ static int em_ret_far(struct x86_emulate_ctxt *ctxt)
if (rc != X86EMUL_CONTINUE)
return rc;
rc = assign_eip_far(ctxt, eip, &new_desc);
if (rc != X86EMUL_CONTINUE) {
WARN_ON(ctxt->mode != X86EMUL_MODE_PROT64);
ops->set_segment(ctxt, old_cs, &old_desc, 0, VCPU_SREG_CS);
}
/* Error handling is not implemented. */
if (rc != X86EMUL_CONTINUE)
return X86EMUL_UNHANDLEABLE;
return rc;
}

2
arch/x86/kvm/ioapic.c
View File

@ -94,7 +94,7 @@ static unsigned long ioapic_read_indirect(struct kvm_ioapic *ioapic,
static void rtc_irq_eoi_tracking_reset(struct kvm_ioapic *ioapic)
{
ioapic->rtc_status.pending_eoi = 0;
bitmap_zero(ioapic->rtc_status.dest_map.map, KVM_MAX_VCPUS);
bitmap_zero(ioapic->rtc_status.dest_map.map, KVM_MAX_VCPU_ID);
}
static void kvm_rtc_eoi_tracking_restore_all(struct kvm_ioapic *ioapic);

4
arch/x86/kvm/ioapic.h
View File

@ -42,13 +42,13 @@ struct kvm_vcpu;
struct dest_map {
/* vcpu bitmap where IRQ has been sent */
DECLARE_BITMAP(map, KVM_MAX_VCPUS);
DECLARE_BITMAP(map, KVM_MAX_VCPU_ID);
/*
* Vector sent to a given vcpu, only valid when
* the vcpu's bit in map is set
*/
u8 vectors[KVM_MAX_VCPUS];
u8 vectors[KVM_MAX_VCPU_ID];
};

13
arch/x86/kvm/irq_comm.c
View File

@ -41,6 +41,15 @@ static int kvm_set_pic_irq(struct kvm_kernel_irq_routing_entry *e,
bool line_status)
{
struct kvm_pic *pic = pic_irqchip(kvm);
/*
* XXX: rejecting pic routes when pic isn't in use would be better,
* but the default routing table is installed while kvm->arch.vpic is
* NULL and KVM_CREATE_IRQCHIP can race with KVM_IRQ_LINE.
*/
if (!pic)
return -1;
return kvm_pic_set_irq(pic, e->irqchip.pin, irq_source_id, level);
}
@ -49,6 +58,10 @@ static int kvm_set_ioapic_irq(struct kvm_kernel_irq_routing_entry *e,
bool line_status)
{
struct kvm_ioapic *ioapic = kvm->arch.vioapic;
if (!ioapic)
return -1;
return kvm_ioapic_set_irq(ioapic, e->irqchip.pin, irq_source_id, level,
line_status);
}

2
arch/x86/kvm/lapic.c
View File

@ -138,7 +138,7 @@ static inline bool kvm_apic_map_get_logical_dest(struct kvm_apic_map *map,
*mask = dest_id & 0xff;
return true;
case KVM_APIC_MODE_XAPIC_CLUSTER:
*cluster = map->xapic_cluster_map[dest_id >> 4];
*cluster = map->xapic_cluster_map[(dest_id >> 4) & 0xf];
*mask = dest_id & 0xf;
return true;
default:

1
crypto/asymmetric_keys/x509_cert_parser.c
View File

@ -133,7 +133,6 @@ struct x509_certificate *x509_cert_parse(const void *data, size_t datalen)
return cert;
error_decode:
kfree(cert->pub->key);
kfree(ctx);
error_no_ctx:
x509_free_certificate(cert);

29
drivers/acpi/sleep.c
View File

@ -47,32 +47,15 @@ static void acpi_sleep_tts_switch(u32 acpi_state)
}
}
static void acpi_sleep_pts_switch(u32 acpi_state)
{
acpi_status status;
status = acpi_execute_simple_method(NULL, "\\_PTS", acpi_state);
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
/*
* OS can't evaluate the _PTS object correctly. Some warning
* message will be printed. But it won't break anything.
*/
printk(KERN_NOTICE "Failure in evaluating _PTS object\n");
}
}
static int sleep_notify_reboot(struct notifier_block *this,
static int tts_notify_reboot(struct notifier_block *this,
unsigned long code, void *x)
{
acpi_sleep_tts_switch(ACPI_STATE_S5);
acpi_sleep_pts_switch(ACPI_STATE_S5);
return NOTIFY_DONE;
}
static struct notifier_block sleep_notifier = {
.notifier_call = sleep_notify_reboot,
static struct notifier_block tts_notifier = {
.notifier_call = tts_notify_reboot,
.next = NULL,
.priority = 0,
};
@ -916,9 +899,9 @@ int __init acpi_sleep_init(void)
pr_info(PREFIX "(supports%s)\n", supported);
/*
* Register the sleep_notifier to reboot notifier list so that the _TTS
* and _PTS object can also be evaluated when the system enters S5.
* Register the tts_notifier to reboot notifier list so that the _TTS
* object can also be evaluated when the system enters S5.
*/
register_reboot_notifier(&sleep_notifier);
register_reboot_notifier(&tts_notifier);
return 0;
}

7
drivers/ata/ahci.c
View File

@ -1436,13 +1436,6 @@ static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports,
"ahci: MRSM is on, fallback to single MSI\n");
pci_free_irq_vectors(pdev);
}
/*
* -ENOSPC indicated we don't have enough vectors. Don't bother
* trying a single vectors for any other error:
*/
if (nvec < 0 && nvec != -ENOSPC)
return nvec;
}
/*

2
drivers/ata/libata-scsi.c
View File

@ -1088,7 +1088,7 @@ static void ata_gen_passthru_sense(struct ata_queued_cmd *qc)
desc[1] = tf->command; /* status */
desc[2] = tf->device;
desc[3] = tf->nsect;
desc[0] = 0;
desc[7] = 0;
if (tf->flags & ATA_TFLAG_LBA48) {
desc[8] |= 0x80;
if (tf->hob_nsect)

3
drivers/block/zram/zram_drv.c
View File

@ -1403,7 +1403,8 @@ static ssize_t hot_remove_store(struct class *class,
zram = idr_find(&zram_index_idr, dev_id);
if (zram) {
ret = zram_remove(zram);
idr_remove(&zram_index_idr, dev_id);
if (!ret)
idr_remove(&zram_index_idr, dev_id);
} else {
ret = -ENODEV;
}

2
drivers/clk/bcm/Kconfig
View File

@ -20,7 +20,7 @@ config CLK_BCM_KONA
config COMMON_CLK_IPROC
bool "Broadcom iProc clock support"
depends on ARCH_BCM_IPROC || COMPILE_TEST
depends on ARCH_BCM_IPROC || ARCH_BCM_63XX || COMPILE_TEST
depends on COMMON_CLK
default ARCH_BCM_IPROC
help

2
drivers/clk/sunxi-ng/ccu-sun6i-a31.c
View File

@ -143,7 +143,7 @@ static SUNXI_CCU_NKM_WITH_MUX_GATE_LOCK(pll_mipi_clk, "pll-mipi",
4, 2, /* K */
0, 4, /* M */
21, 0, /* mux */
BIT(31), /* gate */
BIT(31) | BIT(23) | BIT(22), /* gate */
BIT(28), /* lock */
CLK_SET_RATE_UNGATE);

2
drivers/clk/sunxi-ng/ccu-sun8i-a33.c
View File

@ -131,7 +131,7 @@ static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_mipi_clk, "pll-mipi",
8, 4, /* N */
4, 2, /* K */
0, 4, /* M */
BIT(31), /* gate */
BIT(31) | BIT(23) | BIT(22), /* gate */
BIT(28), /* lock */
CLK_SET_RATE_UNGATE);

4
drivers/dax/dax.c
View File

@ -270,8 +270,8 @@ static int check_vma(struct dax_dev *dax_dev, struct vm_area_struct *vma,
if (!dax_dev->alive)
return -ENXIO;
/* prevent private / writable mappings from being established */
if ((vma->vm_flags & (VM_NORESERVE|VM_SHARED|VM_WRITE)) == VM_WRITE) {
/* prevent private mappings from being established */
if ((vma->vm_flags & VM_SHARED) != VM_SHARED) {
dev_info(dev, "%s: %s: fail, attempted private mapping\n",
current->comm, func);
return -EINVAL;

4
drivers/dax/pmem.c
View File

@ -78,7 +78,9 @@ static int dax_pmem_probe(struct device *dev)
nsio = to_nd_namespace_io(&ndns->dev);
/* parse the 'pfn' info block via ->rw_bytes */
devm_nsio_enable(dev, nsio);
rc = devm_nsio_enable(dev, nsio);
if (rc)
return rc;
altmap = nvdimm_setup_pfn(nd_pfn, &res, &__altmap);
if (IS_ERR(altmap))
return PTR_ERR(altmap);

9
drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
View File

@ -34,6 +34,7 @@ struct amdgpu_atpx {
static struct amdgpu_atpx_priv {
bool atpx_detected;
bool bridge_pm_usable;
/* handle for device - and atpx */
acpi_handle dhandle;
acpi_handle other_handle;
@ -205,7 +206,11 @@ static int amdgpu_atpx_validate(struct amdgpu_atpx *atpx)
atpx->is_hybrid = false;
if (valid_bits & ATPX_MS_HYBRID_GFX_SUPPORTED) {
printk("ATPX Hybrid Graphics\n");
atpx->functions.power_cntl = false;
/*
* Disable legacy PM methods only when pcie port PM is usable,
* otherwise the device might fail to power off or power on.
*/
atpx->functions.power_cntl = !amdgpu_atpx_priv.bridge_pm_usable;
atpx->is_hybrid = true;
}
@ -480,6 +485,7 @@ static int amdgpu_atpx_power_state(enum vga_switcheroo_client_id id,
*/
static bool amdgpu_atpx_pci_probe_handle(struct pci_dev *pdev)
{
struct pci_dev *parent_pdev = pci_upstream_bridge(pdev);
acpi_handle dhandle, atpx_handle;
acpi_status status;
@ -494,6 +500,7 @@ static bool amdgpu_atpx_pci_probe_handle(struct pci_dev *pdev)
}
amdgpu_atpx_priv.dhandle = dhandle;
amdgpu_atpx_priv.atpx.handle = atpx_handle;
amdgpu_atpx_priv.bridge_pm_usable = parent_pdev && parent_pdev->bridge_d3;
return true;
}

12
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
View File

@ -2984,19 +2984,19 @@ static int smu7_get_pp_table_entry_callback_func_v0(struct pp_hwmgr *hwmgr,
if (!(data->mc_micro_code_feature & DISABLE_MC_LOADMICROCODE) && memory_clock > data->highest_mclk)
data->highest_mclk = memory_clock;
performance_level = &(ps->performance_levels
[ps->performance_level_count++]);
PP_ASSERT_WITH_CODE(
(ps->performance_level_count < smum_get_mac_definition(hwmgr->smumgr, SMU_MAX_LEVELS_GRAPHICS)),
"Performance levels exceeds SMC limit!",
return -EINVAL);
PP_ASSERT_WITH_CODE(
(ps->performance_level_count <=
(ps->performance_level_count <
hwmgr->platform_descriptor.hardwareActivityPerformanceLevels),
"Performance levels exceeds Driver limit!",
return -EINVAL);
"Performance levels exceeds Driver limit, Skip!",
return 0);
performance_level = &(ps->performance_levels
[ps->performance_level_count++]);
/* Performance levels are arranged from low to high. */
performance_level->memory_clock = memory_clock;

5
drivers/gpu/drm/arm/hdlcd_crtc.c
View File

@ -150,15 +150,14 @@ static void hdlcd_crtc_enable(struct drm_crtc *crtc)
clk_prepare_enable(hdlcd->clk);
hdlcd_crtc_mode_set_nofb(crtc);
hdlcd_write(hdlcd, HDLCD_REG_COMMAND, 1);
drm_crtc_vblank_on(crtc);
}
static void hdlcd_crtc_disable(struct drm_crtc *crtc)
{
struct hdlcd_drm_private *hdlcd = crtc_to_hdlcd_priv(crtc);
if (!crtc->state->active)
return;
drm_crtc_vblank_off(crtc);
hdlcd_write(hdlcd, HDLCD_REG_COMMAND, 0);
clk_disable_unprepare(hdlcd->clk);
}

5
drivers/gpu/drm/exynos/exynos_hdmi.c
View File

@ -1907,6 +1907,8 @@ err_disable_pm_runtime:
err_hdmiphy:
if (hdata->hdmiphy_port)
put_device(&hdata->hdmiphy_port->dev);
if (hdata->regs_hdmiphy)
iounmap(hdata->regs_hdmiphy);
err_ddc:
put_device(&hdata->ddc_adpt->dev);
@ -1929,6 +1931,9 @@ static int hdmi_remove(struct platform_device *pdev)
if (hdata->hdmiphy_port)
put_device(&hdata->hdmiphy_port->dev);
if (hdata->regs_hdmiphy)
iounmap(hdata->regs_hdmiphy);
put_device(&hdata->ddc_adpt->dev);
return 0;

14
drivers/gpu/drm/mediatek/mtk_disp_ovl.c
View File

@ -251,13 +251,6 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
if (irq < 0)
return irq;
ret = devm_request_irq(dev, irq, mtk_disp_ovl_irq_handler,
IRQF_TRIGGER_NONE, dev_name(dev), priv);
if (ret < 0) {
dev_err(dev, "Failed to request irq %d: %d\n", irq, ret);
return ret;
}
comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DISP_OVL);
if (comp_id < 0) {
dev_err(dev, "Failed to identify by alias: %d\n", comp_id);
@ -273,6 +266,13 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, priv);
ret = devm_request_irq(dev, irq, mtk_disp_ovl_irq_handler,
IRQF_TRIGGER_NONE, dev_name(dev), priv);
if (ret < 0) {
dev_err(dev, "Failed to request irq %d: %d\n", irq, ret);
return ret;
}
ret = component_add(dev, &mtk_disp_ovl_component_ops);
if (ret)
dev_err(dev, "Failed to add component: %d\n", ret);

2
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
View File

@ -123,7 +123,7 @@ static void mtk_od_config(struct mtk_ddp_comp *comp, unsigned int w,
unsigned int bpc)
{
writel(w << 16 | h, comp->regs + DISP_OD_SIZE);
writel(OD_RELAYMODE, comp->regs + OD_RELAYMODE);
writel(OD_RELAYMODE, comp->regs + DISP_OD_CFG);
mtk_dither_set(comp, bpc, DISP_OD_CFG);
}

68
drivers/gpu/drm/mediatek/mtk_dsi.c
View File

@ -86,7 +86,7 @@
#define DSI_PHY_TIMECON0 0x110
#define LPX (0xff << 0)
#define HS_PRPR (0xff << 8)
#define HS_PREP (0xff << 8)
#define HS_ZERO (0xff << 16)
#define HS_TRAIL (0xff << 24)
@ -102,10 +102,16 @@
#define CLK_TRAIL (0xff << 24)
#define DSI_PHY_TIMECON3 0x11c
#define CLK_HS_PRPR (0xff << 0)
#define CLK_HS_PREP (0xff << 0)
#define CLK_HS_POST (0xff << 8)
#define CLK_HS_EXIT (0xff << 16)
#define T_LPX 5
#define T_HS_PREP 6
#define T_HS_TRAIL 8
#define T_HS_EXIT 7
#define T_HS_ZERO 10
#define NS_TO_CYCLE(n, c) ((n) / (c) + (((n) % (c)) ? 1 : 0))
struct phy;
@ -161,20 +167,18 @@ static void mtk_dsi_mask(struct mtk_dsi *dsi, u32 offset, u32 mask, u32 data)
static void dsi_phy_timconfig(struct mtk_dsi *dsi)
{
u32 timcon0, timcon1, timcon2, timcon3;
unsigned int ui, cycle_time;
unsigned int lpx;
u32 ui, cycle_time;
ui = 1000 / dsi->data_rate + 0x01;
cycle_time = 8000 / dsi->data_rate + 0x01;
lpx = 5;
timcon0 = (8 << 24) | (0xa << 16) | (0x6 << 8) | lpx;
timcon1 = (7 << 24) | (5 * lpx << 16) | ((3 * lpx) / 2) << 8 |
(4 * lpx);
timcon0 = T_LPX | T_HS_PREP << 8 | T_HS_ZERO << 16 | T_HS_TRAIL << 24;
timcon1 = 4 * T_LPX | (3 * T_LPX / 2) << 8 | 5 * T_LPX << 16 |
T_HS_EXIT << 24;
timcon2 = ((NS_TO_CYCLE(0x64, cycle_time) + 0xa) << 24) |
(NS_TO_CYCLE(0x150, cycle_time) << 16);
timcon3 = (2 * lpx) << 16 | NS_TO_CYCLE(80 + 52 * ui, cycle_time) << 8 |
NS_TO_CYCLE(0x40, cycle_time);
timcon3 = NS_TO_CYCLE(0x40, cycle_time) | (2 * T_LPX) << 16 |
NS_TO_CYCLE(80 + 52 * ui, cycle_time) << 8;
writel(timcon0, dsi->regs + DSI_PHY_TIMECON0);
writel(timcon1, dsi->regs + DSI_PHY_TIMECON1);
@ -202,19 +206,47 @@ static int mtk_dsi_poweron(struct mtk_dsi *dsi)
{
struct device *dev = dsi->dev;
int ret;
u64 pixel_clock, total_bits;
u32 htotal, htotal_bits, bit_per_pixel, overhead_cycles, overhead_bits;
if (++dsi->refcount != 1)
return 0;
/**
* data_rate = (pixel_clock / 1000) * pixel_dipth * mipi_ratio;
* pixel_clock unit is Khz, data_rata unit is MHz, so need divide 1000.
* mipi_ratio is mipi clk coefficient for balance the pixel clk in mipi.
* we set mipi_ratio is 1.05.
*/
dsi->data_rate = dsi->vm.pixelclock * 3 * 21 / (1 * 1000 * 10);
switch (dsi->format) {
case MIPI_DSI_FMT_RGB565:
bit_per_pixel = 16;
break;
case MIPI_DSI_FMT_RGB666_PACKED:
bit_per_pixel = 18;
break;
case MIPI_DSI_FMT_RGB666:
case MIPI_DSI_FMT_RGB888:
default:
bit_per_pixel = 24;
break;
}
ret = clk_set_rate(dsi->hs_clk, dsi->data_rate * 1000000);
/**
* vm.pixelclock is in kHz, pixel_clock unit is Hz, so multiply by 1000
* htotal_time = htotal * byte_per_pixel / num_lanes
* overhead_time = lpx + hs_prepare + hs_zero + hs_trail + hs_exit
* mipi_ratio = (htotal_time + overhead_time) / htotal_time
* data_rate = pixel_clock * bit_per_pixel * mipi_ratio / num_lanes;
*/
pixel_clock = dsi->vm.pixelclock * 1000;
htotal = dsi->vm.hactive + dsi->vm.hback_porch + dsi->vm.hfront_porch +
dsi->vm.hsync_len;
htotal_bits = htotal * bit_per_pixel;
overhead_cycles = T_LPX + T_HS_PREP + T_HS_ZERO + T_HS_TRAIL +
T_HS_EXIT;
overhead_bits = overhead_cycles * dsi->lanes * 8;
total_bits = htotal_bits + overhead_bits;
dsi->data_rate = DIV_ROUND_UP_ULL(pixel_clock * total_bits,
htotal * dsi->lanes);
ret = clk_set_rate(dsi->hs_clk, dsi->data_rate);
if (ret < 0) {
dev_err(dev, "Failed to set data rate: %d\n", ret);
goto err_refcount;

9
drivers/gpu/drm/radeon/radeon_atpx_handler.c
View File

@ -34,6 +34,7 @@ struct radeon_atpx {
static struct radeon_atpx_priv {
bool atpx_detected;
bool bridge_pm_usable;
/* handle for device - and atpx */
acpi_handle dhandle;
struct radeon_atpx atpx;
@ -203,7 +204,11 @@ static int radeon_atpx_validate(struct radeon_atpx *atpx)
atpx->is_hybrid = false;
if (valid_bits & ATPX_MS_HYBRID_GFX_SUPPORTED) {
printk("ATPX Hybrid Graphics\n");
atpx->functions.power_cntl = false;
/*
* Disable legacy PM methods only when pcie port PM is usable,
* otherwise the device might fail to power off or power on.
*/
atpx->functions.power_cntl = !radeon_atpx_priv.bridge_pm_usable;
atpx->is_hybrid = true;
}
@ -474,6 +479,7 @@ static int radeon_atpx_power_state(enum vga_switcheroo_client_id id,
*/
static bool radeon_atpx_pci_probe_handle(struct pci_dev *pdev)
{
struct pci_dev *parent_pdev = pci_upstream_bridge(pdev);
acpi_handle dhandle, atpx_handle;
acpi_status status;
@ -487,6 +493,7 @@ static bool radeon_atpx_pci_probe_handle(struct pci_dev *pdev)
radeon_atpx_priv.dhandle = dhandle;
radeon_atpx_priv.atpx.handle = atpx_handle;
radeon_atpx_priv.bridge_pm_usable = parent_pdev && parent_pdev->bridge_d3;
return true;
}

115
drivers/hid/hid-cp2112.c
View File

@ -32,6 +32,11 @@
#include <linux/usb/ch9.h>
#include "hid-ids.h"
#define CP2112_REPORT_MAX_LENGTH 64
#define CP2112_GPIO_CONFIG_LENGTH 5
#define CP2112_GPIO_GET_LENGTH 2
#define CP2112_GPIO_SET_LENGTH 3
enum {
CP2112_GPIO_CONFIG = 0x02,
CP2112_GPIO_GET = 0x03,
@ -161,6 +166,8 @@ struct cp2112_device {
atomic_t read_avail;
atomic_t xfer_avail;
struct gpio_chip gc;
u8 *in_out_buffer;
spinlock_t lock;
};
static int gpio_push_pull = 0xFF;
@ -171,62 +178,86 @@ static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
struct cp2112_device *dev = gpiochip_get_data(chip);
struct hid_device *hdev = dev->hdev;
u8 buf[5];
u8 *buf = dev->in_out_buffer;
unsigned long flags;
int ret;
spin_lock_irqsave(&dev->lock, flags);
ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
sizeof(buf), HID_FEATURE_REPORT,
HID_REQ_GET_REPORT);
if (ret != sizeof(buf)) {
CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
HID_REQ_GET_REPORT);
if (ret != CP2112_GPIO_CONFIG_LENGTH) {
hid_err(hdev, "error requesting GPIO config: %d\n", ret);
return ret;
goto exit;
}
buf[1] &= ~(1 << offset);
buf[2] = gpio_push_pull;
ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
HID_REQ_SET_REPORT);
if (ret < 0) {
hid_err(hdev, "error setting GPIO config: %d\n", ret);
return ret;
goto exit;
}
return 0;
ret = 0;
exit:
spin_unlock_irqrestore(&dev->lock, flags);
return ret <= 0 ? ret : -EIO;
}
static void cp2112_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct cp2112_device *dev = gpiochip_get_data(chip);
struct hid_device *hdev = dev->hdev;
u8 buf[3];
u8 *buf = dev->in_out_buffer;
unsigned long flags;
int ret;
spin_lock_irqsave(&dev->lock, flags);
buf[0] = CP2112_GPIO_SET;
buf[1] = value ? 0xff : 0;
buf[2] = 1 << offset;
ret = hid_hw_raw_request(hdev, CP2112_GPIO_SET, buf, sizeof(buf),
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
ret = hid_hw_raw_request(hdev, CP2112_GPIO_SET, buf,
CP2112_GPIO_SET_LENGTH, HID_FEATURE_REPORT,
HID_REQ_SET_REPORT);
if (ret < 0)
hid_err(hdev, "error setting GPIO values: %d\n", ret);
spin_unlock_irqrestore(&dev->lock, flags);
}
static int cp2112_gpio_get(struct gpio_chip *chip, unsigned offset)
{
struct cp2112_device *dev = gpiochip_get_data(chip);
struct hid_device *hdev = dev->hdev;
u8 buf[2];
u8 *buf = dev->in_out_buffer;
unsigned long flags;
int ret;
ret = hid_hw_raw_request(hdev, CP2112_GPIO_GET, buf, sizeof(buf),
HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
if (ret != sizeof(buf)) {
spin_lock_irqsave(&dev->lock, flags);
ret = hid_hw_raw_request(hdev, CP2112_GPIO_GET, buf,
CP2112_GPIO_GET_LENGTH, HID_FEATURE_REPORT,
HID_REQ_GET_REPORT);
if (ret != CP2112_GPIO_GET_LENGTH) {
hid_err(hdev, "error requesting GPIO values: %d\n", ret);
return ret;
ret = ret < 0 ? ret : -EIO;
goto exit;
}
return (buf[1] >> offset) & 1;
ret = (buf[1] >> offset) & 1;
exit:
spin_unlock_irqrestore(&dev->lock, flags);
return ret;
}
static int cp2112_gpio_direction_output(struct gpio_chip *chip,
@ -234,27 +265,33 @@ static int cp2112_gpio_direction_output(struct gpio_chip *chip,
{
struct cp2112_device *dev = gpiochip_get_data(chip);
struct hid_device *hdev = dev->hdev;
u8 buf[5];
u8 *buf = dev->in_out_buffer;
unsigned long flags;
int ret;
spin_lock_irqsave(&dev->lock, flags);
ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
sizeof(buf), HID_FEATURE_REPORT,
HID_REQ_GET_REPORT);
if (ret != sizeof(buf)) {
CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
HID_REQ_GET_REPORT);
if (ret != CP2112_GPIO_CONFIG_LENGTH) {
hid_err(hdev, "error requesting GPIO config: %d\n", ret);
return ret;
goto fail;
}
buf[1] |= 1 << offset;
buf[2] = gpio_push_pull;
ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
HID_REQ_SET_REPORT);
if (ret < 0) {
hid_err(hdev, "error setting GPIO config: %d\n", ret);
return ret;
goto fail;
}
spin_unlock_irqrestore(&dev->lock, flags);
/*
* Set gpio value when output direction is already set,
* as specified in AN495, Rev. 0.2, cpt. 4.4
@ -262,6 +299,10 @@ static int cp2112_gpio_direction_output(struct gpio_chip *chip,
cp2112_gpio_set(chip, offset, value);
return 0;
fail:
spin_unlock_irqrestore(&dev->lock, flags);
return ret < 0 ? ret : -EIO;
}
static int cp2112_hid_get(struct hid_device *hdev, unsigned char report_number,
@ -1007,6 +1048,17 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)
struct cp2112_smbus_config_report config;
int ret;
dev = devm_kzalloc(&hdev->dev, sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
dev->in_out_buffer = devm_kzalloc(&hdev->dev, CP2112_REPORT_MAX_LENGTH,
GFP_KERNEL);
if (!dev->in_out_buffer)
return -ENOMEM;
spin_lock_init(&dev->lock);
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
@ -1063,12 +1115,6 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)
goto err_power_normal;
}
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev) {
ret = -ENOMEM;
goto err_power_normal;
}
hid_set_drvdata(hdev, (void *)dev);
dev->hdev = hdev;
dev->adap.owner = THIS_MODULE;
@ -1087,7 +1133,7 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (ret) {
hid_err(hdev, "error registering i2c adapter\n");
goto err_free_dev;
goto err_power_normal;
}
hid_dbg(hdev, "adapter registered\n");
@ -1123,8 +1169,6 @@ err_gpiochip_remove:
gpiochip_remove(&dev->gc);
err_free_i2c:
i2c_del_adapter(&dev->adap);
err_free_dev:
kfree(dev);
err_power_normal:
hid_hw_power(hdev, PM_HINT_NORMAL);
err_hid_close:
@ -1149,7 +1193,6 @@ static void cp2112_remove(struct hid_device *hdev)
*/
hid_hw_close(hdev);
hid_hw_stop(hdev);
kfree(dev);
}
static int cp2112_raw_event(struct hid_device *hdev, struct hid_report *report,

14
drivers/hid/hid-lg.c
View File

@ -756,11 +756,16 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
/* Setup wireless link with Logitech Wii wheel */
if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
unsigned char buf[] = { 0x00, 0xAF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
const unsigned char cbuf[] = { 0x00, 0xAF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
u8 *buf = kmemdup(cbuf, sizeof(cbuf), GFP_KERNEL);
ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
if (!buf) {
ret = -ENOMEM;
goto err_free;
}
ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
if (ret >= 0) {
/* insert a little delay of 10 jiffies ~ 40ms */
wait_queue_head_t wait;
@ -772,9 +777,10 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
buf[1] = 0xB2;
get_random_bytes(&buf[2], 2);
ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(cbuf),
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
}
kfree(buf);
}
if (drv_data->quirks & LG_FF)

12
drivers/hid/hid-magicmouse.c
View File

@ -493,7 +493,8 @@ static int magicmouse_input_configured(struct hid_device *hdev,
static int magicmouse_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
__u8 feature[] = { 0xd7, 0x01 };
const u8 feature[] = { 0xd7, 0x01 };
u8 *buf;
struct magicmouse_sc *msc;
struct hid_report *report;
int ret;
@ -544,6 +545,12 @@ static int magicmouse_probe(struct hid_device *hdev,
}
report->size = 6;
buf = kmemdup(feature, sizeof(feature), GFP_KERNEL);
if (!buf) {
ret = -ENOMEM;
goto err_stop_hw;
}
/*
* Some devices repond with 'invalid report id' when feature
* report switching it into multitouch mode is sent to it.
@ -552,8 +559,9 @@ static int magicmouse_probe(struct hid_device *hdev,
* but there seems to be no other way of switching the mode.
* Thus the super-ugly hacky success check below.
*/
ret = hid_hw_raw_request(hdev, feature[0], feature, sizeof(feature),
ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(feature),
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
kfree(buf);
if (ret != -EIO && ret != sizeof(feature)) {
hid_err(hdev, "unable to request touch data (%d)\n", ret);
goto err_stop_hw;

10
drivers/hid/hid-rmi.c
View File

@ -188,10 +188,16 @@ static int rmi_set_page(struct hid_device *hdev, u8 page)
static int rmi_set_mode(struct hid_device *hdev, u8 mode)
{
int ret;
u8 txbuf[2] = {RMI_SET_RMI_MODE_REPORT_ID, mode};
const u8 txbuf[2] = {RMI_SET_RMI_MODE_REPORT_ID, mode};
u8 *buf;
ret = hid_hw_raw_request(hdev, RMI_SET_RMI_MODE_REPORT_ID, txbuf,
buf = kmemdup(txbuf, sizeof(txbuf), GFP_KERNEL);
if (!buf)
return -ENOMEM;
ret = hid_hw_raw_request(hdev, RMI_SET_RMI_MODE_REPORT_ID, buf,
sizeof(txbuf), HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
kfree(buf);
if (ret < 0) {
dev_err(&hdev->dev, "unable to set rmi mode to %d (%d)\n", mode,
ret);

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