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提交 5b4bdac9 编写于 作者: R Rafael J. Wysocki
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Merge tag 'omap-pm-v3.10/cleanup/cpuidle-v2' of... 

Merge tag 'omap-pm-v3.10/cleanup/cpuidle-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into pm-cpuidle

OMAP CPUidle cleanups for v3.10 from Kevin Hilman
上级 1ca80944 db4f3dab
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Documentation/ABI/testing/sysfs-devices-lpss_ltr 0 → 100644
浏览文件 @ 5b4bdac9
What: /sys/devices/.../lpss_ltr/
Date: March 2013
Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Description:
The /sys/devices/.../lpss_ltr/ directory is only present for
devices included into the Intel Lynxpoint Low Power Subsystem
(LPSS). If present, it contains attributes containing the LTR
mode and the values of LTR registers of the device.
What: /sys/devices/.../lpss_ltr/ltr_mode
Date: March 2013
Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Description:
The /sys/devices/.../lpss_ltr/ltr_mode attribute contains an
integer number (0 or 1) indicating whether or not the devices'
LTR functionality is working in the software mode (1).
This attribute is read-only. If the device's runtime PM status
is not "active", attempts to read from this attribute cause
-EAGAIN to be returned.
What: /sys/devices/.../lpss_ltr/auto_ltr
Date: March 2013
Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Description:
The /sys/devices/.../lpss_ltr/auto_ltr attribute contains the
current value of the device's AUTO_LTR register (raw)
represented as an 8-digit hexadecimal number.
This attribute is read-only. If the device's runtime PM status
is not "active", attempts to read from this attribute cause
-EAGAIN to be returned.
What: /sys/devices/.../lpss_ltr/sw_ltr
Date: March 2013
Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Description:
The /sys/devices/.../lpss_ltr/auto_ltr attribute contains the
current value of the device's SW_LTR register (raw) represented
as an 8-digit hexadecimal number.
This attribute is read-only. If the device's runtime PM status
is not "active", attempts to read from this attribute cause
-EAGAIN to be returned.
Documentation/ABI/testing/sysfs-firmware-acpi
浏览文件 @ 5b4bdac9
......@@ -18,6 +18,32 @@ Description:
yoffset: The number of pixels between the top of the screen
and the top edge of the image.
What: /sys/firmware/acpi/hotplug/
Date: February 2013
Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Description:
There are separate hotplug profiles for different classes of
devices supported by ACPI, such as containers, memory modules,
processors, PCI root bridges etc. A hotplug profile for a given
class of devices is a collection of settings defining the way
that class of devices will be handled by the ACPI core hotplug
code. Those profiles are represented in sysfs as subdirectories
of /sys/firmware/acpi/hotplug/.
The following setting is available to user space for each
hotplug profile:
enabled: If set, the ACPI core will handle notifications of
hotplug events associated with the given class of
devices and will allow those devices to be ejected with
the help of the _EJ0 control method. Unsetting it
effectively disables hotplug for the correspoinding
class of devices.
The value of the above attribute is an integer number: 1 (set)
or 0 (unset). Attempts to write any other values to it will
cause -EINVAL to be returned.
What: /sys/firmware/acpi/interrupts/
Date: February 2008
Contact: Len Brown <lenb@kernel.org>
......
Documentation/sound/alsa/ALSA-Configuration.txt
浏览文件 @ 5b4bdac9
......@@ -890,9 +890,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
enable_msi - Enable Message Signaled Interrupt (MSI) (default = off)
power_save - Automatic power-saving timeout (in second, 0 =
disable)
power_save_controller - Support runtime D3 of HD-audio controller
(-1 = on for supported chip (default), false = off,
true = force to on even for unsupported hardware)
power_save_controller - Reset HD-audio controller in power-saving mode
(default = on)
align_buffer_size - Force rounding of buffer/period sizes to multiples
of 128 bytes. This is more efficient in terms of memory
access but isn't required by the HDA spec and prevents
......
MAINTAINERS
浏览文件 @ 5b4bdac9
......@@ -5065,9 +5065,8 @@ S: Maintained
F: drivers/net/ethernet/marvell/sk*
MARVELL LIBERTAS WIRELESS DRIVER
M: Dan Williams <dcbw@redhat.com>
L: libertas-dev@lists.infradead.org
S: Maintained
S: Orphan
F: drivers/net/wireless/libertas/
MARVELL MV643XX ETHERNET DRIVER
......@@ -5569,6 +5568,7 @@ F: include/uapi/linux/if_*
F: include/uapi/linux/netdevice.h
NETXEN (1/10) GbE SUPPORT
M: Manish Chopra <manish.chopra@qlogic.com>
M: Sony Chacko <sony.chacko@qlogic.com>
M: Rajesh Borundia <rajesh.borundia@qlogic.com>
L: netdev@vger.kernel.org
......
Makefile
浏览文件 @ 5b4bdac9
VERSION = 3
PATCHLEVEL = 9
SUBLEVEL = 0
EXTRAVERSION = -rc5
EXTRAVERSION = -rc6
NAME = Unicycling Gorilla
# *DOCUMENTATION*
......
arch/alpha/Makefile
浏览文件 @ 5b4bdac9
......@@ -12,7 +12,7 @@ NM := $(NM) -B
LDFLAGS_vmlinux := -static -N #-relax
CHECKFLAGS += -D__alpha__ -m64
cflags-y := -pipe -mno-fp-regs -ffixed-8 -msmall-data
cflags-y := -pipe -mno-fp-regs -ffixed-8
cflags-y += $(call cc-option, -fno-jump-tables)
cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4
......
arch/alpha/include/asm/floppy.h
浏览文件 @ 5b4bdac9
......@@ -26,7 +26,7 @@
#define fd_disable_irq() disable_irq(FLOPPY_IRQ)
#define fd_cacheflush(addr,size) /* nothing */
#define fd_request_irq() request_irq(FLOPPY_IRQ, floppy_interrupt,\
IRQF_DISABLED, "floppy", NULL)
0, "floppy", NULL)
#define fd_free_irq() free_irq(FLOPPY_IRQ, NULL)
#ifdef CONFIG_PCI
......
arch/alpha/kernel/irq.c
浏览文件 @ 5b4bdac9
......@@ -117,13 +117,6 @@ handle_irq(int irq)
return;
}
/*
* From here we must proceed with IPL_MAX. Note that we do not
* explicitly enable interrupts afterwards - some MILO PALcode
* (namely LX164 one) seems to have severe problems with RTI
* at IPL 0.
*/
local_irq_disable();
irq_enter();
generic_handle_irq_desc(irq, desc);
irq_exit();
......
arch/alpha/kernel/irq_alpha.c
浏览文件 @ 5b4bdac9
......@@ -45,6 +45,14 @@ do_entInt(unsigned long type, unsigned long vector,
unsigned long la_ptr, struct pt_regs *regs)
{
struct pt_regs *old_regs;
/*
* Disable interrupts during IRQ handling.
* Note that there is no matching local_irq_enable() due to
* severe problems with RTI at IPL0 and some MILO PALcode
* (namely LX164).
*/
local_irq_disable();
switch (type) {
case 0:
#ifdef CONFIG_SMP
......@@ -62,7 +70,6 @@ do_entInt(unsigned long type, unsigned long vector,
{
long cpu;
local_irq_disable();
smp_percpu_timer_interrupt(regs);
cpu = smp_processor_id();
if (cpu != boot_cpuid) {
......@@ -222,7 +229,6 @@ process_mcheck_info(unsigned long vector, unsigned long la_ptr,
struct irqaction timer_irqaction = {
.handler = timer_interrupt,
.flags = IRQF_DISABLED,
.name = "timer",
};
......
arch/alpha/kernel/sys_nautilus.c
浏览文件 @ 5b4bdac9
......@@ -188,6 +188,10 @@ nautilus_machine_check(unsigned long vector, unsigned long la_ptr)
extern void free_reserved_mem(void *, void *);
extern void pcibios_claim_one_bus(struct pci_bus *);
static struct resource irongate_io = {
.name = "Irongate PCI IO",
.flags = IORESOURCE_IO,
};
static struct resource irongate_mem = {
.name = "Irongate PCI MEM",
.flags = IORESOURCE_MEM,
......@@ -209,6 +213,7 @@ nautilus_init_pci(void)
irongate = pci_get_bus_and_slot(0, 0);
bus->self = irongate;
bus->resource[0] = &irongate_io;
bus->resource[1] = &irongate_mem;
pci_bus_size_bridges(bus);
......
arch/alpha/kernel/sys_titan.c
浏览文件 @ 5b4bdac9
......@@ -280,15 +280,15 @@ titan_late_init(void)
* all reported to the kernel as machine checks, so the handler
* is a nop so it can be called to count the individual events.
*/
titan_request_irq(63+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(63+16, titan_intr_nop, 0,
"CChip Error", NULL);
titan_request_irq(62+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(62+16, titan_intr_nop, 0,
"PChip 0 H_Error", NULL);
titan_request_irq(61+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(61+16, titan_intr_nop, 0,
"PChip 1 H_Error", NULL);
titan_request_irq(60+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(60+16, titan_intr_nop, 0,
"PChip 0 C_Error", NULL);
titan_request_irq(59+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(59+16, titan_intr_nop, 0,
"PChip 1 C_Error", NULL);
/*
......@@ -348,9 +348,9 @@ privateer_init_pci(void)
* Hook a couple of extra err interrupts that the
* common titan code won't.
*/
titan_request_irq(53+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(53+16, titan_intr_nop, 0,
"NMI", NULL);
titan_request_irq(50+16, titan_intr_nop, IRQF_DISABLED,
titan_request_irq(50+16, titan_intr_nop, 0,
"Temperature Warning", NULL);
/*
......
arch/arm/Kconfig
浏览文件 @ 5b4bdac9
......@@ -1183,9 +1183,9 @@ config ARM_NR_BANKS
default 8
config IWMMXT
bool "Enable iWMMXt support"
bool "Enable iWMMXt support" if !CPU_PJ4
depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
default y if PXA27x || PXA3xx || ARCH_MMP
default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4
help
Enable support for iWMMXt context switching at run time if
running on a CPU that supports it.
......@@ -1439,6 +1439,16 @@ config ARM_ERRATA_775420
to deadlock. This workaround puts DSB before executing ISB if
an abort may occur on cache maintenance.
config ARM_ERRATA_798181
bool "ARM errata: TLBI/DSB failure on Cortex-A15"
depends on CPU_V7 && SMP
help
On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not
adequately shooting down all use of the old entries. This
option enables the Linux kernel workaround for this erratum
which sends an IPI to the CPUs that are running the same ASID
as the one being invalidated.
endmenu
source "arch/arm/common/Kconfig"
......
arch/arm/boot/dts/armada-370-mirabox.dts
浏览文件 @ 5b4bdac9
......@@ -54,7 +54,7 @@
};
mvsdio@d00d4000 {
pinctrl-0 = <&sdio_pins2>;
pinctrl-0 = <&sdio_pins3>;
pinctrl-names = "default";
status = "okay";
/*
......
arch/arm/boot/dts/armada-370.dtsi
浏览文件 @ 5b4bdac9
......@@ -59,6 +59,12 @@
"mpp50", "mpp51", "mpp52";
marvell,function = "sd0";
};
sdio_pins3: sdio-pins3 {
marvell,pins = "mpp48", "mpp49", "mpp50",
"mpp51", "mpp52", "mpp53";
marvell,function = "sd0";
};
};
gpio0: gpio@d0018100 {
......
arch/arm/boot/dts/dbx5x0.dtsi
浏览文件 @ 5b4bdac9
......@@ -191,8 +191,8 @@
prcmu: prcmu@80157000 {
compatible = "stericsson,db8500-prcmu";
reg = <0x80157000 0x1000>;
reg-names = "prcmu";
reg = <0x80157000 0x1000>, <0x801b0000 0x8000>, <0x801b8000 0x1000>;
reg-names = "prcmu", "prcmu-tcpm", "prcmu-tcdm";
interrupts = <0 47 0x4>;
#address-cells = <1>;
#size-cells = <1>;
......
arch/arm/boot/dts/kirkwood-goflexnet.dts
浏览文件 @ 5b4bdac9
......@@ -77,6 +77,7 @@
};
nand@3000000 {
chip-delay = <40>;
status = "okay";
partition@0 {
......
arch/arm/boot/dts/orion5x.dtsi
浏览文件 @ 5b4bdac9
......@@ -13,6 +13,9 @@
compatible = "marvell,orion5x";
interrupt-parent = <&intc>;
aliases {
gpio0 = &gpio0;
};
intc: interrupt-controller {
compatible = "marvell,orion-intc", "marvell,intc";
interrupt-controller;
......@@ -32,7 +35,9 @@
#gpio-cells = <2>;
gpio-controller;
reg = <0x10100 0x40>;
ngpio = <32>;
ngpios = <32>;
interrupt-controller;
#interrupt-cells = <2>;
interrupts = <6>, <7>, <8>, <9>;
};
......@@ -91,7 +96,7 @@
reg = <0x90000 0x10000>,
<0xf2200000 0x800>;
reg-names = "regs", "sram";
interrupts = <22>;
interrupts = <28>;
status = "okay";
};
};
......
arch/arm/include/asm/delay.h
浏览文件 @ 5b4bdac9
......@@ -24,7 +24,7 @@ extern struct arm_delay_ops {
void (*delay)(unsigned long);
void (*const_udelay)(unsigned long);
void (*udelay)(unsigned long);
bool const_clock;
unsigned long ticks_per_jiffy;
} arm_delay_ops;
#define __delay(n) arm_delay_ops.delay(n)
......
arch/arm/include/asm/highmem.h
浏览文件 @ 5b4bdac9
......@@ -41,6 +41,13 @@ extern void kunmap_high(struct page *page);
#endif
#endif
/*
* Needed to be able to broadcast the TLB invalidation for kmap.
*/
#ifdef CONFIG_ARM_ERRATA_798181
#undef ARCH_NEEDS_KMAP_HIGH_GET
#endif
#ifdef ARCH_NEEDS_KMAP_HIGH_GET
extern void *kmap_high_get(struct page *page);
#else
......
arch/arm/include/asm/mmu_context.h
浏览文件 @ 5b4bdac9
......@@ -27,6 +27,8 @@ void __check_vmalloc_seq(struct mm_struct *mm);
void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk);
#define init_new_context(tsk,mm) ({ atomic64_set(&mm->context.id, 0); 0; })
DECLARE_PER_CPU(atomic64_t, active_asids);
#else /* !CONFIG_CPU_HAS_ASID */
#ifdef CONFIG_MMU
......
arch/arm/include/asm/tlbflush.h
浏览文件 @ 5b4bdac9
......@@ -450,6 +450,21 @@ static inline void local_flush_bp_all(void)
isb();
}
#ifdef CONFIG_ARM_ERRATA_798181
static inline void dummy_flush_tlb_a15_erratum(void)
{
/*
* Dummy TLBIMVAIS. Using the unmapped address 0 and ASID 0.
*/
asm("mcr p15, 0, %0, c8, c3, 1" : : "r" (0));
dsb();
}
#else
static inline void dummy_flush_tlb_a15_erratum(void)
{
}
#endif
/*
* flush_pmd_entry
*
......
arch/arm/kernel/entry-common.S
浏览文件 @ 5b4bdac9
......@@ -276,7 +276,13 @@ ENDPROC(ftrace_graph_caller_old)
*/
.macro mcount_enter
/*
* This pad compensates for the push {lr} at the call site. Note that we are
* unable to unwind through a function which does not otherwise save its lr.
*/
UNWIND(.pad #4)
stmdb sp!, {r0-r3, lr}
UNWIND(.save {r0-r3, lr})
.endm
.macro mcount_get_lr reg
......@@ -289,6 +295,7 @@ ENDPROC(ftrace_graph_caller_old)
.endm
ENTRY(__gnu_mcount_nc)
UNWIND(.fnstart)
#ifdef CONFIG_DYNAMIC_FTRACE
mov ip, lr
ldmia sp!, {lr}
......@@ -296,17 +303,22 @@ ENTRY(__gnu_mcount_nc)
#else
__mcount
#endif
UNWIND(.fnend)
ENDPROC(__gnu_mcount_nc)
#ifdef CONFIG_DYNAMIC_FTRACE
ENTRY(ftrace_caller)
UNWIND(.fnstart)
__ftrace_caller
UNWIND(.fnend)
ENDPROC(ftrace_caller)
#endif
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
ENTRY(ftrace_graph_caller)
UNWIND(.fnstart)
__ftrace_graph_caller
UNWIND(.fnend)
ENDPROC(ftrace_graph_caller)
#endif
......
arch/arm/kernel/head.S
浏览文件 @ 5b4bdac9
......@@ -267,7 +267,7 @@ __create_page_tables:
addne r6, r6, #1 << SECTION_SHIFT
strne r6, [r3]
#if defined(CONFIG_LPAE) && defined(CONFIG_CPU_ENDIAN_BE8)
#if defined(CONFIG_ARM_LPAE) && defined(CONFIG_CPU_ENDIAN_BE8)
sub r4, r4, #4 @ Fixup page table pointer
@ for 64-bit descriptors
#endif
......
arch/arm/kernel/hw_breakpoint.c
浏览文件 @ 5b4bdac9
......@@ -966,7 +966,7 @@ static void reset_ctrl_regs(void *unused)
}
if (err) {
pr_warning("CPU %d debug is powered down!\n", cpu);
pr_warn_once("CPU %d debug is powered down!\n", cpu);
cpumask_or(&debug_err_mask, &debug_err_mask, cpumask_of(cpu));
return;
}
......@@ -987,7 +987,7 @@ static void reset_ctrl_regs(void *unused)
isb();
if (cpumask_intersects(&debug_err_mask, cpumask_of(cpu))) {
pr_warning("CPU %d failed to disable vector catch\n", cpu);
pr_warn_once("CPU %d failed to disable vector catch\n", cpu);
return;
}
......@@ -1007,7 +1007,7 @@ static void reset_ctrl_regs(void *unused)
}
if (cpumask_intersects(&debug_err_mask, cpumask_of(cpu))) {
pr_warning("CPU %d failed to clear debug register pairs\n", cpu);
pr_warn_once("CPU %d failed to clear debug register pairs\n", cpu);
return;
}
......
arch/arm/kernel/setup.c
浏览文件 @ 5b4bdac9
......@@ -353,6 +353,23 @@ void __init early_print(const char *str, ...)
printk("%s", buf);
}
static void __init cpuid_init_hwcaps(void)
{
unsigned int divide_instrs;
if (cpu_architecture() < CPU_ARCH_ARMv7)
return;
divide_instrs = (read_cpuid_ext(CPUID_EXT_ISAR0) & 0x0f000000) >> 24;
switch (divide_instrs) {
case 2:
elf_hwcap |= HWCAP_IDIVA;
case 1:
elf_hwcap |= HWCAP_IDIVT;
}
}
static void __init feat_v6_fixup(void)
{
int id = read_cpuid_id();
......@@ -483,8 +500,11 @@ static void __init setup_processor(void)
snprintf(elf_platform, ELF_PLATFORM_SIZE, "%s%c",
list->elf_name, ENDIANNESS);
elf_hwcap = list->elf_hwcap;
cpuid_init_hwcaps();
#ifndef CONFIG_ARM_THUMB
elf_hwcap &= ~HWCAP_THUMB;
elf_hwcap &= ~(HWCAP_THUMB | HWCAP_IDIVT);
#endif
feat_v6_fixup();
......@@ -524,7 +544,7 @@ int __init arm_add_memory(phys_addr_t start, phys_addr_t size)
size -= start & ~PAGE_MASK;
bank->start = PAGE_ALIGN(start);
#ifndef CONFIG_LPAE
#ifndef CONFIG_ARM_LPAE
if (bank->start + size < bank->start) {
printk(KERN_CRIT "Truncating memory at 0x%08llx to fit in "
"32-bit physical address space\n", (long long)start);
......
arch/arm/kernel/smp.c
浏览文件 @ 5b4bdac9
......@@ -673,9 +673,6 @@ static int cpufreq_callback(struct notifier_block *nb,
if (freq->flags & CPUFREQ_CONST_LOOPS)
return NOTIFY_OK;
if (arm_delay_ops.const_clock)
return NOTIFY_OK;
if (!per_cpu(l_p_j_ref, cpu)) {
per_cpu(l_p_j_ref, cpu) =
per_cpu(cpu_data, cpu).loops_per_jiffy;
......
arch/arm/kernel/smp_tlb.c
浏览文件 @ 5b4bdac9
......@@ -12,6 +12,7 @@
#include <asm/smp_plat.h>
#include <asm/tlbflush.h>
#include <asm/mmu_context.h>
/**********************************************************************/
......@@ -69,12 +70,72 @@ static inline void ipi_flush_bp_all(void *ignored)
local_flush_bp_all();
}
#ifdef CONFIG_ARM_ERRATA_798181
static int erratum_a15_798181(void)
{
unsigned int midr = read_cpuid_id();
/* Cortex-A15 r0p0..r3p2 affected */
if ((midr & 0xff0ffff0) != 0x410fc0f0 || midr > 0x413fc0f2)
return 0;
return 1;
}
#else
static int erratum_a15_798181(void)
{
return 0;
}
#endif
static void ipi_flush_tlb_a15_erratum(void *arg)
{
dmb();
}
static void broadcast_tlb_a15_erratum(void)
{
if (!erratum_a15_798181())
return;
dummy_flush_tlb_a15_erratum();
smp_call_function_many(cpu_online_mask, ipi_flush_tlb_a15_erratum,
NULL, 1);
}
static void broadcast_tlb_mm_a15_erratum(struct mm_struct *mm)
{
int cpu;
cpumask_t mask = { CPU_BITS_NONE };
if (!erratum_a15_798181())
return;
dummy_flush_tlb_a15_erratum();
for_each_online_cpu(cpu) {
if (cpu == smp_processor_id())
continue;
/*
* We only need to send an IPI if the other CPUs are running
* the same ASID as the one being invalidated. There is no
* need for locking around the active_asids check since the
* switch_mm() function has at least one dmb() (as required by
* this workaround) in case a context switch happens on
* another CPU after the condition below.
*/
if (atomic64_read(&mm->context.id) ==
atomic64_read(&per_cpu(active_asids, cpu)))
cpumask_set_cpu(cpu, &mask);
}
smp_call_function_many(&mask, ipi_flush_tlb_a15_erratum, NULL, 1);
}
void flush_tlb_all(void)
{
if (tlb_ops_need_broadcast())
on_each_cpu(ipi_flush_tlb_all, NULL, 1);
else
local_flush_tlb_all();
broadcast_tlb_a15_erratum();
}
void flush_tlb_mm(struct mm_struct *mm)
......@@ -83,6 +144,7 @@ void flush_tlb_mm(struct mm_struct *mm)
on_each_cpu_mask(mm_cpumask(mm), ipi_flush_tlb_mm, mm, 1);
else
local_flush_tlb_mm(mm);
broadcast_tlb_mm_a15_erratum(mm);
}
void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
......@@ -95,6 +157,7 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
&ta, 1);
} else
local_flush_tlb_page(vma, uaddr);
broadcast_tlb_mm_a15_erratum(vma->vm_mm);
}
void flush_tlb_kernel_page(unsigned long kaddr)
......@@ -105,6 +168,7 @@ void flush_tlb_kernel_page(unsigned long kaddr)
on_each_cpu(ipi_flush_tlb_kernel_page, &ta, 1);
} else
local_flush_tlb_kernel_page(kaddr);
broadcast_tlb_a15_erratum();
}
void flush_tlb_range(struct vm_area_struct *vma,
......@@ -119,6 +183,7 @@ void flush_tlb_range(struct vm_area_struct *vma,
&ta, 1);
} else
local_flush_tlb_range(vma, start, end);
broadcast_tlb_mm_a15_erratum(vma->vm_mm);
}
void flush_tlb_kernel_range(unsigned long start, unsigned long end)
......@@ -130,6 +195,7 @@ void flush_tlb_kernel_range(unsigned long start, unsigned long end)
on_each_cpu(ipi_flush_tlb_kernel_range, &ta, 1);
} else
local_flush_tlb_kernel_range(start, end);
broadcast_tlb_a15_erratum();
}
void flush_bp_all(void)
......
arch/arm/kvm/vgic.c
浏览文件 @ 5b4bdac9
......@@ -883,8 +883,7 @@ static bool vgic_queue_irq(struct kvm_vcpu *vcpu, u8 sgi_source_id, int irq)
lr, irq, vgic_cpu->vgic_lr[lr]);
BUG_ON(!test_bit(lr, vgic_cpu->lr_used));
vgic_cpu->vgic_lr[lr] |= GICH_LR_PENDING_BIT;
goto out;
return true;
}
/* Try to use another LR for this interrupt */
......@@ -898,7 +897,6 @@ static bool vgic_queue_irq(struct kvm_vcpu *vcpu, u8 sgi_source_id, int irq)
vgic_cpu->vgic_irq_lr_map[irq] = lr;
set_bit(lr, vgic_cpu->lr_used);
out:
if (!vgic_irq_is_edge(vcpu, irq))
vgic_cpu->vgic_lr[lr] |= GICH_LR_EOI;
......@@ -1018,21 +1016,6 @@ static bool vgic_process_maintenance(struct kvm_vcpu *vcpu)
kvm_debug("MISR = %08x\n", vgic_cpu->vgic_misr);
/*
* We do not need to take the distributor lock here, since the only
* action we perform is clearing the irq_active_bit for an EOIed
* level interrupt. There is a potential race with
* the queuing of an interrupt in __kvm_vgic_flush_hwstate(), where we
* check if the interrupt is already active. Two possibilities:
*
* - The queuing is occurring on the same vcpu: cannot happen,
* as we're already in the context of this vcpu, and
* executing the handler
* - The interrupt has been migrated to another vcpu, and we
* ignore this interrupt for this run. Big deal. It is still
* pending though, and will get considered when this vcpu
* exits.
*/
if (vgic_cpu->vgic_misr & GICH_MISR_EOI) {
/*
* Some level interrupts have been EOIed. Clear their
......@@ -1054,6 +1037,13 @@ static bool vgic_process_maintenance(struct kvm_vcpu *vcpu)
} else {
vgic_cpu_irq_clear(vcpu, irq);
}
/*
* Despite being EOIed, the LR may not have
* been marked as empty.
*/
set_bit(lr, (unsigned long *)vgic_cpu->vgic_elrsr);
vgic_cpu->vgic_lr[lr] &= ~GICH_LR_ACTIVE_BIT;
}
}
......@@ -1064,9 +1054,8 @@ static bool vgic_process_maintenance(struct kvm_vcpu *vcpu)
}
/*
* Sync back the VGIC state after a guest run. We do not really touch
* the distributor here (the irq_pending_on_cpu bit is safe to set),
* so there is no need for taking its lock.
* Sync back the VGIC state after a guest run. The distributor lock is
* needed so we don't get preempted in the middle of the state processing.
*/
static void __kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu)
{
......@@ -1112,10 +1101,14 @@ void kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu)
void kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu)
{
struct vgic_dist *dist = &vcpu->kvm->arch.vgic;
if (!irqchip_in_kernel(vcpu->kvm))
return;
spin_lock(&dist->lock);
__kvm_vgic_sync_hwstate(vcpu);
spin_unlock(&dist->lock);
}
int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu)
......
arch/arm/lib/delay.c
浏览文件 @ 5b4bdac9
......@@ -58,7 +58,7 @@ static void __timer_delay(unsigned long cycles)
static void __timer_const_udelay(unsigned long xloops)
{
unsigned long long loops = xloops;
loops *= loops_per_jiffy;
loops *= arm_delay_ops.ticks_per_jiffy;
__timer_delay(loops >> UDELAY_SHIFT);
}
......@@ -73,11 +73,13 @@ void __init register_current_timer_delay(const struct delay_timer *timer)
pr_info("Switching to timer-based delay loop\n");
delay_timer = timer;
lpj_fine = timer->freq / HZ;
loops_per_jiffy = lpj_fine;
/* cpufreq may scale loops_per_jiffy, so keep a private copy */
arm_delay_ops.ticks_per_jiffy = lpj_fine;
arm_delay_ops.delay = __timer_delay;
arm_delay_ops.const_udelay = __timer_const_udelay;
arm_delay_ops.udelay = __timer_udelay;
arm_delay_ops.const_clock = true;
delay_calibrated = true;
} else {
pr_info("Ignoring duplicate/late registration of read_current_timer delay\n");
......
arch/arm/mach-cns3xxx/core.c
浏览文件 @ 5b4bdac9
......@@ -22,19 +22,9 @@
static struct map_desc cns3xxx_io_desc[] __initdata = {
{
.virtual = CNS3XXX_TC11MP_TWD_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_TC11MP_TWD_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_TC11MP_GIC_CPU_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_TC11MP_GIC_DIST_BASE),
.length = SZ_4K,
.virtual = CNS3XXX_TC11MP_SCU_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_TC11MP_SCU_BASE),
.length = SZ_8K,
.type = MT_DEVICE,
}, {
.virtual = CNS3XXX_TIMER1_2_3_BASE_VIRT,
......
arch/arm/mach-cns3xxx/include/mach/cns3xxx.h
浏览文件 @ 5b4bdac9
......@@ -94,10 +94,10 @@
#define RTC_INTR_STS_OFFSET 0x34
#define CNS3XXX_MISC_BASE 0x76000000 /* Misc Control */
#define CNS3XXX_MISC_BASE_VIRT 0xFFF07000 /* Misc Control */
#define CNS3XXX_MISC_BASE_VIRT 0xFB000000 /* Misc Control */
#define CNS3XXX_PM_BASE 0x77000000 /* Power Management Control */
#define CNS3XXX_PM_BASE_VIRT 0xFFF08000
#define CNS3XXX_PM_BASE_VIRT 0xFB001000
#define PM_CLK_GATE_OFFSET 0x00
#define PM_SOFT_RST_OFFSET 0x04
......@@ -109,7 +109,7 @@
#define PM_PLL_HM_PD_OFFSET 0x1C
#define CNS3XXX_UART0_BASE 0x78000000 /* UART 0 */
#define CNS3XXX_UART0_BASE_VIRT 0xFFF09000
#define CNS3XXX_UART0_BASE_VIRT 0xFB002000
#define CNS3XXX_UART1_BASE 0x78400000 /* UART 1 */
#define CNS3XXX_UART1_BASE_VIRT 0xFFF0A000
......@@ -130,7 +130,7 @@
#define CNS3XXX_I2S_BASE_VIRT 0xFFF10000
#define CNS3XXX_TIMER1_2_3_BASE 0x7C800000 /* Timer */
#define CNS3XXX_TIMER1_2_3_BASE_VIRT 0xFFF10800
#define CNS3XXX_TIMER1_2_3_BASE_VIRT 0xFB003000
#define TIMER1_COUNTER_OFFSET 0x00
#define TIMER1_AUTO_RELOAD_OFFSET 0x04
......@@ -227,16 +227,16 @@
* Testchip peripheral and fpga gic regions
*/
#define CNS3XXX_TC11MP_SCU_BASE 0x90000000 /* IRQ, Test chip */
#define CNS3XXX_TC11MP_SCU_BASE_VIRT 0xFF000000
#define CNS3XXX_TC11MP_SCU_BASE_VIRT 0xFB004000
#define CNS3XXX_TC11MP_GIC_CPU_BASE 0x90000100 /* Test chip interrupt controller CPU interface */
#define CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT 0xFF000100
#define CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT (CNS3XXX_TC11MP_SCU_BASE_VIRT + 0x100)
#define CNS3XXX_TC11MP_TWD_BASE 0x90000600
#define CNS3XXX_TC11MP_TWD_BASE_VIRT 0xFF000600
#define CNS3XXX_TC11MP_TWD_BASE_VIRT (CNS3XXX_TC11MP_SCU_BASE_VIRT + 0x600)
#define CNS3XXX_TC11MP_GIC_DIST_BASE 0x90001000 /* Test chip interrupt controller distributor */
#define CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT 0xFF001000
#define CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT (CNS3XXX_TC11MP_SCU_BASE_VIRT + 0x1000)
#define CNS3XXX_TC11MP_L220_BASE 0x92002000 /* L220 registers */
#define CNS3XXX_TC11MP_L220_BASE_VIRT 0xFF002000
......
arch/arm/mach-ep93xx/include/mach/uncompress.h
浏览文件 @ 5b4bdac9
......@@ -47,9 +47,13 @@ static void __raw_writel(unsigned int value, unsigned int ptr)
static inline void putc(int c)
{
/* Transmit fifo not full? */
while (__raw_readb(PHYS_UART_FLAG) & UART_FLAG_TXFF)
;
int i;
for (i = 0; i < 10000; i++) {
/* Transmit fifo not full? */
if (!(__raw_readb(PHYS_UART_FLAG) & UART_FLAG_TXFF))
break;
}
__raw_writeb(c, PHYS_UART_DATA);
}
......
arch/arm/mach-imx/common.h
浏览文件 @ 5b4bdac9
......@@ -110,6 +110,8 @@ void tzic_handle_irq(struct pt_regs *);
extern void imx_enable_cpu(int cpu, bool enable);
extern void imx_set_cpu_jump(int cpu, void *jump_addr);
extern u32 imx_get_cpu_arg(int cpu);
extern void imx_set_cpu_arg(int cpu, u32 arg);
extern void v7_cpu_resume(void);
extern u32 *pl310_get_save_ptr(void);
#ifdef CONFIG_SMP
......
arch/arm/mach-imx/hotplug.c
浏览文件 @ 5b4bdac9
......@@ -46,11 +46,23 @@ static inline void cpu_enter_lowpower(void)
void imx_cpu_die(unsigned int cpu)
{
cpu_enter_lowpower();
/*
* We use the cpu jumping argument register to sync with
* imx_cpu_kill() which is running on cpu0 and waiting for
* the register being cleared to kill the cpu.
*/
imx_set_cpu_arg(cpu, ~0);
cpu_do_idle();
}
int imx_cpu_kill(unsigned int cpu)
{
unsigned long timeout = jiffies + msecs_to_jiffies(50);
while (imx_get_cpu_arg(cpu) == 0)
if (time_after(jiffies, timeout))
return 0;
imx_enable_cpu(cpu, false);
imx_set_cpu_arg(cpu, 0);
return 1;
}
arch/arm/mach-imx/src.c
浏览文件 @ 5b4bdac9
......@@ -43,6 +43,18 @@ void imx_set_cpu_jump(int cpu, void *jump_addr)
src_base + SRC_GPR1 + cpu * 8);
}
u32 imx_get_cpu_arg(int cpu)
{
cpu = cpu_logical_map(cpu);
return readl_relaxed(src_base + SRC_GPR1 + cpu * 8 + 4);
}
void imx_set_cpu_arg(int cpu, u32 arg)
{
cpu = cpu_logical_map(cpu);
writel_relaxed(arg, src_base + SRC_GPR1 + cpu * 8 + 4);
}
void imx_src_prepare_restart(void)
{
u32 val;
......
arch/arm/mach-kirkwood/guruplug-setup.c
浏览文件 @ 5b4bdac9
......@@ -53,6 +53,8 @@ static struct mv_sata_platform_data guruplug_sata_data = {
static struct mvsdio_platform_data guruplug_mvsdio_data = {
/* unfortunately the CD signal has not been connected */
.gpio_card_detect = -1,
.gpio_write_protect = -1,
};
static struct gpio_led guruplug_led_pins[] = {
......
arch/arm/mach-kirkwood/openrd-setup.c
浏览文件 @ 5b4bdac9
......@@ -55,6 +55,7 @@ static struct mv_sata_platform_data openrd_sata_data = {
static struct mvsdio_platform_data openrd_mvsdio_data = {
.gpio_card_detect = 29, /* MPP29 used as SD card detect */
.gpio_write_protect = -1,
};
static unsigned int openrd_mpp_config[] __initdata = {
......
arch/arm/mach-kirkwood/rd88f6281-setup.c
浏览文件 @ 5b4bdac9
......@@ -69,6 +69,7 @@ static struct mv_sata_platform_data rd88f6281_sata_data = {
static struct mvsdio_platform_data rd88f6281_mvsdio_data = {
.gpio_card_detect = 28,
.gpio_write_protect = -1,
};
static unsigned int rd88f6281_mpp_config[] __initdata = {
......
arch/arm/mach-msm/timer.c
浏览文件 @ 5b4bdac9
......@@ -62,7 +62,10 @@ static int msm_timer_set_next_event(unsigned long cycles,
{
u32 ctrl = readl_relaxed(event_base + TIMER_ENABLE);
writel_relaxed(0, event_base + TIMER_CLEAR);
ctrl &= ~TIMER_ENABLE_EN;
writel_relaxed(ctrl, event_base + TIMER_ENABLE);
writel_relaxed(ctrl, event_base + TIMER_CLEAR);
writel_relaxed(cycles, event_base + TIMER_MATCH_VAL);
writel_relaxed(ctrl | TIMER_ENABLE_EN, event_base + TIMER_ENABLE);
return 0;
......
arch/arm/mach-mvebu/irq-armada-370-xp.c
浏览文件 @ 5b4bdac9
......@@ -44,6 +44,8 @@
#define ARMADA_370_XP_MAX_PER_CPU_IRQS (28)
#define ARMADA_370_XP_TIMER0_PER_CPU_IRQ (5)
#define ACTIVE_DOORBELLS (8)
static DEFINE_RAW_SPINLOCK(irq_controller_lock);
......@@ -62,7 +64,7 @@ static void armada_370_xp_irq_mask(struct irq_data *d)
#ifdef CONFIG_SMP
irq_hw_number_t hwirq = irqd_to_hwirq(d);
if (hwirq > ARMADA_370_XP_MAX_PER_CPU_IRQS)
if (hwirq != ARMADA_370_XP_TIMER0_PER_CPU_IRQ)
writel(hwirq, main_int_base +
ARMADA_370_XP_INT_CLEAR_ENABLE_OFFS);
else
......@@ -79,7 +81,7 @@ static void armada_370_xp_irq_unmask(struct irq_data *d)
#ifdef CONFIG_SMP
irq_hw_number_t hwirq = irqd_to_hwirq(d);
if (hwirq > ARMADA_370_XP_MAX_PER_CPU_IRQS)
if (hwirq != ARMADA_370_XP_TIMER0_PER_CPU_IRQ)
writel(hwirq, main_int_base +
ARMADA_370_XP_INT_SET_ENABLE_OFFS);
else
......@@ -147,7 +149,7 @@ static int armada_370_xp_mpic_irq_map(struct irq_domain *h,
writel(hw, main_int_base + ARMADA_370_XP_INT_SET_ENABLE_OFFS);
irq_set_status_flags(virq, IRQ_LEVEL);
if (hw < ARMADA_370_XP_MAX_PER_CPU_IRQS) {
if (hw == ARMADA_370_XP_TIMER0_PER_CPU_IRQ) {
irq_set_percpu_devid(virq);
irq_set_chip_and_handler(virq, &armada_370_xp_irq_chip,
handle_percpu_devid_irq);
......
arch/arm/mach-omap1/clock_data.c
浏览文件 @ 5b4bdac9
......@@ -538,15 +538,6 @@ static struct clk usb_hhc_ck16xx = {
};
static struct clk usb_dc_ck = {
.name = "usb_dc_ck",
.ops = &clkops_generic,
/* Direct from ULPD, no parent */
.rate = 48000000,
.enable_reg = OMAP1_IO_ADDRESS(SOFT_REQ_REG),
.enable_bit = USB_REQ_EN_SHIFT,
};
static struct clk usb_dc_ck7xx = {
.name = "usb_dc_ck",
.ops = &clkops_generic,
/* Direct from ULPD, no parent */
......@@ -727,8 +718,7 @@ static struct omap_clk omap_clks[] = {
CLK(NULL, "usb_clko", &usb_clko, CK_16XX | CK_1510 | CK_310),
CLK(NULL, "usb_hhc_ck", &usb_hhc_ck1510, CK_1510 | CK_310),
CLK(NULL, "usb_hhc_ck", &usb_hhc_ck16xx, CK_16XX),
CLK(NULL, "usb_dc_ck", &usb_dc_ck, CK_16XX),
CLK(NULL, "usb_dc_ck", &usb_dc_ck7xx, CK_7XX),
CLK(NULL, "usb_dc_ck", &usb_dc_ck, CK_16XX | CK_7XX),
CLK(NULL, "mclk", &mclk_1510, CK_1510 | CK_310),
CLK(NULL, "mclk", &mclk_16xx, CK_16XX),
CLK(NULL, "bclk", &bclk_1510, CK_1510 | CK_310),
......
arch/arm/mach-omap2/cclock44xx_data.c
浏览文件 @ 5b4bdac9
......@@ -52,6 +52,13 @@
*/
#define OMAP4_DPLL_ABE_DEFFREQ 98304000
/*
* OMAP4 USB DPLL default frequency. In OMAP4430 TRM version V, section
* "3.6.3.9.5 DPLL_USB Preferred Settings" shows that the preferred
* locked frequency for the USB DPLL is 960MHz.
*/
#define OMAP4_DPLL_USB_DEFFREQ 960000000
/* Root clocks */
DEFINE_CLK_FIXED_RATE(extalt_clkin_ck, CLK_IS_ROOT, 59000000, 0x0);
......@@ -1011,6 +1018,10 @@ DEFINE_CLK_OMAP_MUX(hsmmc2_fclk, "l3_init_clkdm", hsmmc1_fclk_sel,
OMAP4430_CM_L3INIT_MMC2_CLKCTRL, OMAP4430_CLKSEL_MASK,
hsmmc1_fclk_parents, func_dmic_abe_gfclk_ops);
DEFINE_CLK_GATE(ocp2scp_usb_phy_phy_48m, "func_48m_fclk", &func_48m_fclk, 0x0,
OMAP4430_CM_L3INIT_USBPHYOCP2SCP_CLKCTRL,
OMAP4430_OPTFCLKEN_PHY_48M_SHIFT, 0x0, NULL);
DEFINE_CLK_GATE(sha2md5_fck, "l3_div_ck", &l3_div_ck, 0x0,
OMAP4430_CM_L4SEC_SHA2MD51_CLKCTRL,
OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL);
......@@ -1538,6 +1549,7 @@ static struct omap_clk omap44xx_clks[] = {
CLK(NULL, "per_mcbsp4_gfclk", &per_mcbsp4_gfclk, CK_443X),
CLK(NULL, "hsmmc1_fclk", &hsmmc1_fclk, CK_443X),
CLK(NULL, "hsmmc2_fclk", &hsmmc2_fclk, CK_443X),
CLK(NULL, "ocp2scp_usb_phy_phy_48m", &ocp2scp_usb_phy_phy_48m, CK_443X),
CLK(NULL, "sha2md5_fck", &sha2md5_fck, CK_443X),
CLK(NULL, "slimbus1_fclk_1", &slimbus1_fclk_1, CK_443X),
CLK(NULL, "slimbus1_fclk_0", &slimbus1_fclk_0, CK_443X),
......@@ -1705,5 +1717,13 @@ int __init omap4xxx_clk_init(void)
if (rc)
pr_err("%s: failed to configure ABE DPLL!\n", __func__);
/*
* Lock USB DPLL on OMAP4 devices so that the L3INIT power
* domain can transition to retention state when not in use.
*/
rc = clk_set_rate(&dpll_usb_ck, OMAP4_DPLL_USB_DEFFREQ);
if (rc)
pr_err("%s: failed to configure USB DPLL!\n", __func__);
return 0;
}
arch/arm/mach-omap2/common.h
浏览文件 @ 5b4bdac9
......@@ -249,7 +249,6 @@ extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state);
extern int omap4_finish_suspend(unsigned long cpu_state);
extern void omap4_cpu_resume(void);
extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state);
extern u32 omap4_mpuss_read_prev_context_state(void);
#else
static inline int omap4_enter_lowpower(unsigned int cpu,
unsigned int power_state)
......@@ -277,10 +276,6 @@ static inline int omap4_finish_suspend(unsigned long cpu_state)
static inline void omap4_cpu_resume(void)
{}
static inline u32 omap4_mpuss_read_prev_context_state(void)
{
return 0;
}
#endif
struct omap_sdrc_params;
......@@ -293,5 +288,8 @@ extern void omap_reserve(void);
struct omap_hwmod;
extern int omap_dss_reset(struct omap_hwmod *);
/* SoC specific clock initializer */
extern int (*omap_clk_init)(void);
#endif /* __ASSEMBLER__ */
#endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */
arch/arm/mach-omap2/cpuidle34xx.c
浏览文件 @ 5b4bdac9
......@@ -359,7 +359,10 @@ int __init omap3_idle_init(void)
if (!mpu_pd || !core_pd || !per_pd || !cam_pd)
return -ENODEV;
cpuidle_register_driver(&omap3_idle_driver);
if (cpuidle_register_driver(&omap3_idle_driver)) {
pr_err("%s: CPUidle driver register failed\n", __func__);
return -EIO;
}
dev = &per_cpu(omap3_idle_dev, smp_processor_id());
dev->cpu = 0;
......@@ -367,6 +370,7 @@ int __init omap3_idle_init(void)
if (cpuidle_register_device(dev)) {
printk(KERN_ERR "%s: CPUidle register device failed\n",
__func__);
cpuidle_unregister_driver(&omap3_idle_driver);
return -EIO;
}
......
arch/arm/mach-omap2/cpuidle44xx.c
浏览文件 @ 5b4bdac9
/*
* OMAP4 CPU idle Routines
* OMAP4+ CPU idle Routines
*
* Copyright (C) 2011 Texas Instruments, Inc.
* Copyright (C) 2011-2013 Texas Instruments, Inc.
* Santosh Shilimkar <santosh.shilimkar@ti.com>
* Rajendra Nayak <rnayak@ti.com>
*
......@@ -23,13 +23,13 @@
#include "clockdomain.h"
/* Machine specific information */
struct omap4_idle_statedata {
struct idle_statedata {
u32 cpu_state;
u32 mpu_logic_state;
u32 mpu_state;
};
static struct omap4_idle_statedata omap4_idle_data[] = {
static struct idle_statedata omap4_idle_data[] = {
{
.cpu_state = PWRDM_POWER_ON,
.mpu_state = PWRDM_POWER_ON,
......@@ -52,11 +52,12 @@ static struct clockdomain *cpu_clkdm[NR_CPUS];
static atomic_t abort_barrier;
static bool cpu_done[NR_CPUS];
static struct idle_statedata *state_ptr = &omap4_idle_data[0];
/* Private functions */
/**
* omap4_enter_idle_coupled_[simple/coupled] - OMAP4 cpuidle entry functions
* omap_enter_idle_[simple/coupled] - OMAP4PLUS cpuidle entry functions
* @dev: cpuidle device
* @drv: cpuidle driver
* @index: the index of state to be entered
......@@ -65,7 +66,7 @@ static bool cpu_done[NR_CPUS];
* specified low power state selected by the governor.
* Returns the amount of time spent in the low power state.
*/
static int omap4_enter_idle_simple(struct cpuidle_device *dev,
static int omap_enter_idle_simple(struct cpuidle_device *dev,
struct cpuidle_driver *drv,
int index)
{
......@@ -76,11 +77,11 @@ static int omap4_enter_idle_simple(struct cpuidle_device *dev,
return index;
}
static int omap4_enter_idle_coupled(struct cpuidle_device *dev,
static int omap_enter_idle_coupled(struct cpuidle_device *dev,
struct cpuidle_driver *drv,
int index)
{
struct omap4_idle_statedata *cx = &omap4_idle_data[index];
struct idle_statedata *cx = state_ptr + index;
local_fiq_disable();
......@@ -145,7 +146,8 @@ static int omap4_enter_idle_coupled(struct cpuidle_device *dev,
* Call idle CPU cluster PM exit notifier chain
* to restore GIC and wakeupgen context.
*/
if (omap4_mpuss_read_prev_context_state())
if ((cx->mpu_state == PWRDM_POWER_RET) &&
(cx->mpu_logic_state == PWRDM_POWER_OFF))
cpu_cluster_pm_exit();
fail:
......@@ -157,7 +159,7 @@ static int omap4_enter_idle_coupled(struct cpuidle_device *dev,
return index;
}
static DEFINE_PER_CPU(struct cpuidle_device, omap4_idle_dev);
static DEFINE_PER_CPU(struct cpuidle_device, omap_idle_dev);
static struct cpuidle_driver omap4_idle_driver = {
.name = "omap4_idle",
......@@ -169,9 +171,9 @@ static struct cpuidle_driver omap4_idle_driver = {
.exit_latency = 2 + 2,
.target_residency = 5,
.flags = CPUIDLE_FLAG_TIME_VALID,
.enter = omap4_enter_idle_simple,
.enter = omap_enter_idle_simple,
.name = "C1",
.desc = "MPUSS ON"
.desc = "CPUx ON, MPUSS ON"
},
{
/* C2 - CPU0 OFF + CPU1 OFF + MPU CSWR */
......@@ -179,9 +181,9 @@ static struct cpuidle_driver omap4_idle_driver = {
.target_residency = 960,
.flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED |
CPUIDLE_FLAG_TIMER_STOP,
.enter = omap4_enter_idle_coupled,
.enter = omap_enter_idle_coupled,
.name = "C2",
.desc = "MPUSS CSWR",
.desc = "CPUx OFF, MPUSS CSWR",
},
{
/* C3 - CPU0 OFF + CPU1 OFF + MPU OSWR */
......@@ -189,9 +191,9 @@ static struct cpuidle_driver omap4_idle_driver = {
.target_residency = 1100,
.flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED |
CPUIDLE_FLAG_TIMER_STOP,
.enter = omap4_enter_idle_coupled,
.enter = omap_enter_idle_coupled,
.name = "C3",
.desc = "MPUSS OSWR",
.desc = "CPUx OFF, MPUSS OSWR",
},
},
.state_count = ARRAY_SIZE(omap4_idle_data),
......@@ -201,9 +203,9 @@ static struct cpuidle_driver omap4_idle_driver = {
/* Public functions */
/**
* omap4_idle_init - Init routine for OMAP4 idle
* omap4_idle_init - Init routine for OMAP4+ idle
*
* Registers the OMAP4 specific cpuidle driver to the cpuidle
* Registers the OMAP4+ specific cpuidle driver to the cpuidle
* framework with the valid set of states.
*/
int __init omap4_idle_init(void)
......@@ -222,16 +224,20 @@ int __init omap4_idle_init(void)
if (!cpu_clkdm[0] || !cpu_clkdm[1])
return -ENODEV;
if (cpuidle_register_driver(&omap4_idle_driver)) {
pr_err("%s: CPUidle driver register failed\n", __func__);
return -EIO;
}
for_each_cpu(cpu_id, cpu_online_mask) {
dev = &per_cpu(omap4_idle_dev, cpu_id);
dev = &per_cpu(omap_idle_dev, cpu_id);
dev->cpu = cpu_id;
#ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED
dev->coupled_cpus = *cpu_online_mask;
#endif
cpuidle_register_driver(&omap4_idle_driver);
if (cpuidle_register_device(dev)) {
pr_err("%s: CPUidle register failed\n", __func__);
cpuidle_unregister_driver(&omap4_idle_driver);
return -EIO;
}
}
......
arch/arm/mach-omap2/io.c
浏览文件 @ 5b4bdac9
......@@ -54,6 +54,12 @@
#include "prm3xxx.h"
#include "prm44xx.h"
/*
* omap_clk_init: points to a function that does the SoC-specific
* clock initializations
*/
int (*omap_clk_init)(void);
/*
* The machine specific code may provide the extra mapping besides the
* default mapping provided here.
......@@ -397,7 +403,7 @@ void __init omap2420_init_early(void)
omap242x_clockdomains_init();
omap2420_hwmod_init();
omap_hwmod_init_postsetup();
omap2420_clk_init();
omap_clk_init = omap2420_clk_init;
}
void __init omap2420_init_late(void)
......@@ -427,7 +433,7 @@ void __init omap2430_init_early(void)
omap243x_clockdomains_init();
omap2430_hwmod_init();
omap_hwmod_init_postsetup();
omap2430_clk_init();
omap_clk_init = omap2430_clk_init;
}
void __init omap2430_init_late(void)
......@@ -462,7 +468,7 @@ void __init omap3_init_early(void)
omap3xxx_clockdomains_init();
omap3xxx_hwmod_init();
omap_hwmod_init_postsetup();
omap3xxx_clk_init();
omap_clk_init = omap3xxx_clk_init;
}
void __init omap3430_init_early(void)
......@@ -500,7 +506,7 @@ void __init ti81xx_init_early(void)
omap3xxx_clockdomains_init();
omap3xxx_hwmod_init();
omap_hwmod_init_postsetup();
omap3xxx_clk_init();
omap_clk_init = omap3xxx_clk_init;
}
void __init omap3_init_late(void)
......@@ -568,7 +574,7 @@ void __init am33xx_init_early(void)
am33xx_clockdomains_init();
am33xx_hwmod_init();
omap_hwmod_init_postsetup();
am33xx_clk_init();
omap_clk_init = am33xx_clk_init;
}
#endif
......@@ -593,7 +599,7 @@ void __init omap4430_init_early(void)
omap44xx_clockdomains_init();
omap44xx_hwmod_init();
omap_hwmod_init_postsetup();
omap4xxx_clk_init();
omap_clk_init = omap4xxx_clk_init;
}
void __init omap4430_init_late(void)
......
arch/arm/mach-omap2/omap-mpuss-lowpower.c
浏览文件 @ 5b4bdac9
......@@ -139,20 +139,6 @@ static inline void cpu_clear_prev_logic_pwrst(unsigned int cpu_id)
}
}
/**
* omap4_mpuss_read_prev_context_state:
* Function returns the MPUSS previous context state
*/
u32 omap4_mpuss_read_prev_context_state(void)
{
u32 reg;
reg = omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION,
OMAP4430_PRM_MPU_INST, OMAP4_RM_MPU_MPU_CONTEXT_OFFSET);
reg &= OMAP4430_LOSTCONTEXT_DFF_MASK;
return reg;
}
/*
* Store the CPU cluster state for L2X0 low power operations.
*/
......
arch/arm/mach-omap2/omap_hwmod.c
浏览文件 @ 5b4bdac9
......@@ -1368,7 +1368,9 @@ static void _enable_sysc(struct omap_hwmod *oh)
}
if (sf & SYSC_HAS_MIDLEMODE) {
if (oh->flags & HWMOD_SWSUP_MSTANDBY) {
if (oh->flags & HWMOD_FORCE_MSTANDBY) {
idlemode = HWMOD_IDLEMODE_FORCE;
} else if (oh->flags & HWMOD_SWSUP_MSTANDBY) {
idlemode = HWMOD_IDLEMODE_NO;
} else {
if (sf & SYSC_HAS_ENAWAKEUP)
......@@ -1440,7 +1442,8 @@ static void _idle_sysc(struct omap_hwmod *oh)
}
if (sf & SYSC_HAS_MIDLEMODE) {
if (oh->flags & HWMOD_SWSUP_MSTANDBY) {
if ((oh->flags & HWMOD_SWSUP_MSTANDBY) ||
(oh->flags & HWMOD_FORCE_MSTANDBY)) {
idlemode = HWMOD_IDLEMODE_FORCE;
} else {
if (sf & SYSC_HAS_ENAWAKEUP)
......
arch/arm/mach-omap2/omap_hwmod.h
浏览文件 @ 5b4bdac9
......@@ -427,8 +427,8 @@ struct omap_hwmod_omap4_prcm {
*
* HWMOD_SWSUP_SIDLE: omap_hwmod code should manually bring module in and out
* of idle, rather than relying on module smart-idle
* HWMOD_SWSUP_MSTDBY: omap_hwmod code should manually bring module in and out
* of standby, rather than relying on module smart-standby
* HWMOD_SWSUP_MSTANDBY: omap_hwmod code should manually bring module in and
* out of standby, rather than relying on module smart-standby
* HWMOD_INIT_NO_RESET: don't reset this module at boot - important for
* SDRAM controller, etc. XXX probably belongs outside the main hwmod file
* XXX Should be HWMOD_SETUP_NO_RESET
......@@ -459,6 +459,10 @@ struct omap_hwmod_omap4_prcm {
* correctly, or this is being abused to deal with some PM latency
* issues -- but we're currently suffering from a shortage of
* folks who are able to track these issues down properly.
* HWMOD_FORCE_MSTANDBY: Always keep MIDLEMODE bits cleared so that device
* is kept in force-standby mode. Failing to do so causes PM problems
* with musb on OMAP3630 at least. Note that musb has a dedicated register
* to control MSTANDBY signal when MIDLEMODE is set to force-standby.
*/
#define HWMOD_SWSUP_SIDLE (1 << 0)
#define HWMOD_SWSUP_MSTANDBY (1 << 1)
......@@ -471,6 +475,7 @@ struct omap_hwmod_omap4_prcm {
#define HWMOD_16BIT_REG (1 << 8)
#define HWMOD_EXT_OPT_MAIN_CLK (1 << 9)
#define HWMOD_BLOCK_WFI (1 << 10)
#define HWMOD_FORCE_MSTANDBY (1 << 11)
/*
* omap_hwmod._int_flags definitions
......
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
浏览文件 @ 5b4bdac9
......@@ -1707,9 +1707,14 @@ static struct omap_hwmod omap3xxx_usbhsotg_hwmod = {
* Erratum ID: i479 idle_req / idle_ack mechanism potentially
* broken when autoidle is enabled
* workaround is to disable the autoidle bit at module level.
*
* Enabling the device in any other MIDLEMODE setting but force-idle
* causes core_pwrdm not enter idle states at least on OMAP3630.
* Note that musb has OTG_FORCESTDBY register that controls MSTANDBY
* signal when MIDLEMODE is set to force-idle.
*/
.flags = HWMOD_NO_OCP_AUTOIDLE | HWMOD_SWSUP_SIDLE
| HWMOD_SWSUP_MSTANDBY,
| HWMOD_FORCE_MSTANDBY,
};
/* usb_otg_hs */
......
arch/arm/mach-omap2/omap_hwmod_44xx_data.c
浏览文件 @ 5b4bdac9
......@@ -2714,6 +2714,10 @@ static struct omap_ocp2scp_dev ocp2scp_dev_attr[] = {
{ }
};
static struct omap_hwmod_opt_clk ocp2scp_usb_phy_opt_clks[] = {
{ .role = "48mhz", .clk = "ocp2scp_usb_phy_phy_48m" },
};
/* ocp2scp_usb_phy */
static struct omap_hwmod omap44xx_ocp2scp_usb_phy_hwmod = {
.name = "ocp2scp_usb_phy",
......@@ -2728,6 +2732,8 @@ static struct omap_hwmod omap44xx_ocp2scp_usb_phy_hwmod = {
},
},
.dev_attr = ocp2scp_dev_attr,
.opt_clks = ocp2scp_usb_phy_opt_clks,
.opt_clks_cnt = ARRAY_SIZE(ocp2scp_usb_phy_opt_clks),
};
/*
......
arch/arm/mach-omap2/timer.c
浏览文件 @ 5b4bdac9
......@@ -547,6 +547,8 @@ static inline void __init realtime_counter_init(void)
clksrc_nr, clksrc_src) \
void __init omap##name##_gptimer_timer_init(void) \
{ \
if (omap_clk_init) \
omap_clk_init(); \
omap_dmtimer_init(); \
omap2_gp_clockevent_init((clkev_nr), clkev_src, clkev_prop); \
omap2_gptimer_clocksource_init((clksrc_nr), clksrc_src); \
......@@ -556,6 +558,8 @@ void __init omap##name##_gptimer_timer_init(void) \
clksrc_nr, clksrc_src) \
void __init omap##name##_sync32k_timer_init(void) \
{ \
if (omap_clk_init) \
omap_clk_init(); \
omap_dmtimer_init(); \
omap2_gp_clockevent_init((clkev_nr), clkev_src, clkev_prop); \
/* Enable the use of clocksource="gp_timer" kernel parameter */ \
......
arch/arm/mach-ux500/board-mop500-sdi.c
浏览文件 @ 5b4bdac9
......@@ -81,7 +81,6 @@ static struct stedma40_chan_cfg mop500_sdi0_dma_cfg_tx = {
#endif
struct mmci_platform_data mop500_sdi0_data = {
.ios_handler = mop500_sdi0_ios_handler,
.ocr_mask = MMC_VDD_29_30,
.f_max = 50000000,
.capabilities = MMC_CAP_4_BIT_DATA |
......
arch/arm/mach-ux500/board-mop500.c
浏览文件 @ 5b4bdac9
......@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/platform_data/i2c-nomadik.h>
......@@ -439,6 +440,15 @@ static void mop500_prox_deactivate(struct device *dev)
regulator_put(prox_regulator);
}
void mop500_snowball_ethernet_clock_enable(void)
{
struct clk *clk;
clk = clk_get_sys("fsmc", NULL);
if (!IS_ERR(clk))
clk_prepare_enable(clk);
}
static struct cryp_platform_data u8500_cryp1_platform_data = {
.mem_to_engine = {
.dir = STEDMA40_MEM_TO_PERIPH,
......@@ -683,6 +693,8 @@ static void __init snowball_init_machine(void)
mop500_audio_init(parent);
mop500_uart_init(parent);
mop500_snowball_ethernet_clock_enable();
/* This board has full regulator constraints */
regulator_has_full_constraints();
}
......
arch/arm/mach-ux500/board-mop500.h
浏览文件 @ 5b4bdac9
......@@ -104,6 +104,7 @@ void __init mop500_pinmaps_init(void);
void __init snowball_pinmaps_init(void);
void __init hrefv60_pinmaps_init(void);
void mop500_audio_init(struct device *parent);
void mop500_snowball_ethernet_clock_enable(void);
int __init mop500_uib_init(void);
void mop500_uib_i2c_add(int busnum, struct i2c_board_info *info,
......
arch/arm/mach-ux500/cpu-db8500.c
浏览文件 @ 5b4bdac9
......@@ -312,9 +312,10 @@ static void __init u8500_init_machine(void)
/* Pinmaps must be in place before devices register */
if (of_machine_is_compatible("st-ericsson,mop500"))
mop500_pinmaps_init();
else if (of_machine_is_compatible("calaosystems,snowball-a9500"))
else if (of_machine_is_compatible("calaosystems,snowball-a9500")) {
snowball_pinmaps_init();
else if (of_machine_is_compatible("st-ericsson,hrefv60+"))
mop500_snowball_ethernet_clock_enable();
} else if (of_machine_is_compatible("st-ericsson,hrefv60+"))
hrefv60_pinmaps_init();
else if (of_machine_is_compatible("st-ericsson,ccu9540")) {}
/* TODO: Add pinmaps for ccu9540 board. */
......
arch/arm/mm/cache-l2x0.c
浏览文件 @ 5b4bdac9
......@@ -299,7 +299,7 @@ static void l2x0_unlock(u32 cache_id)
int lockregs;
int i;
switch (cache_id) {
switch (cache_id & L2X0_CACHE_ID_PART_MASK) {
case L2X0_CACHE_ID_PART_L310:
lockregs = 8;
break;
......@@ -333,15 +333,14 @@ void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask)
if (cache_id_part_number_from_dt)
cache_id = cache_id_part_number_from_dt;
else
cache_id = readl_relaxed(l2x0_base + L2X0_CACHE_ID)
& L2X0_CACHE_ID_PART_MASK;
cache_id = readl_relaxed(l2x0_base + L2X0_CACHE_ID);
aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL);
aux &= aux_mask;
aux |= aux_val;
/* Determine the number of ways */
switch (cache_id) {
switch (cache_id & L2X0_CACHE_ID_PART_MASK) {
case L2X0_CACHE_ID_PART_L310:
if (aux & (1 << 16))
ways = 16;
......@@ -725,7 +724,6 @@ static const struct l2x0_of_data pl310_data = {
.flush_all = l2x0_flush_all,
.inv_all = l2x0_inv_all,
.disable = l2x0_disable,
.set_debug = pl310_set_debug,
},
};
......@@ -814,9 +812,8 @@ int __init l2x0_of_init(u32 aux_val, u32 aux_mask)
data->save();
of_init = true;
l2x0_init(l2x0_base, aux_val, aux_mask);
memcpy(&outer_cache, &data->outer_cache, sizeof(outer_cache));
l2x0_init(l2x0_base, aux_val, aux_mask);
return 0;
}
......
arch/arm/mm/context.c
浏览文件 @ 5b4bdac9
......@@ -48,7 +48,7 @@ static DEFINE_RAW_SPINLOCK(cpu_asid_lock);
static atomic64_t asid_generation = ATOMIC64_INIT(ASID_FIRST_VERSION);
static DECLARE_BITMAP(asid_map, NUM_USER_ASIDS);
static DEFINE_PER_CPU(atomic64_t, active_asids);
DEFINE_PER_CPU(atomic64_t, active_asids);
static DEFINE_PER_CPU(u64, reserved_asids);
static cpumask_t tlb_flush_pending;
......@@ -215,6 +215,7 @@ void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk)
if (cpumask_test_and_clear_cpu(cpu, &tlb_flush_pending)) {
local_flush_bp_all();
local_flush_tlb_all();
dummy_flush_tlb_a15_erratum();
}
atomic64_set(&per_cpu(active_asids, cpu), asid);
......
arch/arm/mm/mmu.c
浏览文件 @ 5b4bdac9
......@@ -598,39 +598,60 @@ static void __init alloc_init_pte(pmd_t *pmd, unsigned long addr,
} while (pte++, addr += PAGE_SIZE, addr != end);
}
static void __init alloc_init_section(pud_t *pud, unsigned long addr,
unsigned long end, phys_addr_t phys,
const struct mem_type *type)
static void __init map_init_section(pmd_t *pmd, unsigned long addr,
unsigned long end, phys_addr_t phys,
const struct mem_type *type)
{
pmd_t *pmd = pmd_offset(pud, addr);
#ifndef CONFIG_ARM_LPAE
/*
* Try a section mapping - end, addr and phys must all be aligned
* to a section boundary. Note that PMDs refer to the individual
* L1 entries, whereas PGDs refer to a group of L1 entries making
* up one logical pointer to an L2 table.
* In classic MMU format, puds and pmds are folded in to
* the pgds. pmd_offset gives the PGD entry. PGDs refer to a
* group of L1 entries making up one logical pointer to
* an L2 table (2MB), where as PMDs refer to the individual
* L1 entries (1MB). Hence increment to get the correct
* offset for odd 1MB sections.
* (See arch/arm/include/asm/pgtable-2level.h)
*/
if (type->prot_sect && ((addr | end | phys) & ~SECTION_MASK) == 0) {
pmd_t *p = pmd;
#ifndef CONFIG_ARM_LPAE
if (addr & SECTION_SIZE)
pmd++;
if (addr & SECTION_SIZE)
pmd++;
#endif
do {
*pmd = __pmd(phys | type->prot_sect);
phys += SECTION_SIZE;
} while (pmd++, addr += SECTION_SIZE, addr != end);
do {
*pmd = __pmd(phys | type->prot_sect);
phys += SECTION_SIZE;
} while (pmd++, addr += SECTION_SIZE, addr != end);
flush_pmd_entry(pmd);
}
flush_pmd_entry(p);
} else {
static void __init alloc_init_pmd(pud_t *pud, unsigned long addr,
unsigned long end, phys_addr_t phys,
const struct mem_type *type)
{
pmd_t *pmd = pmd_offset(pud, addr);
unsigned long next;
do {
/*
* No need to loop; pte's aren't interested in the
* individual L1 entries.
* With LPAE, we must loop over to map
* all the pmds for the given range.
*/
alloc_init_pte(pmd, addr, end, __phys_to_pfn(phys), type);
}
next = pmd_addr_end(addr, end);
/*
* Try a section mapping - addr, next and phys must all be
* aligned to a section boundary.
*/
if (type->prot_sect &&
((addr | next | phys) & ~SECTION_MASK) == 0) {
map_init_section(pmd, addr, next, phys, type);
} else {
alloc_init_pte(pmd, addr, next,
__phys_to_pfn(phys), type);
}
phys += next - addr;
} while (pmd++, addr = next, addr != end);
}
static void __init alloc_init_pud(pgd_t *pgd, unsigned long addr,
......@@ -641,7 +662,7 @@ static void __init alloc_init_pud(pgd_t *pgd, unsigned long addr,
do {
next = pud_addr_end(addr, end);
alloc_init_section(pud, addr, next, phys, type);
alloc_init_pmd(pud, addr, next, phys, type);
phys += next - addr;
} while (pud++, addr = next, addr != end);
}
......
arch/arm/mm/proc-v7.S
浏览文件 @ 5b4bdac9
......@@ -420,7 +420,7 @@ __v7_pj4b_proc_info:
__v7_ca7mp_proc_info:
.long 0x410fc070
.long 0xff0ffff0
__v7_proc __v7_ca7mp_setup, hwcaps = HWCAP_IDIV
__v7_proc __v7_ca7mp_setup
.size __v7_ca7mp_proc_info, . - __v7_ca7mp_proc_info
/*
......@@ -430,9 +430,24 @@ __v7_ca7mp_proc_info:
__v7_ca15mp_proc_info:
.long 0x410fc0f0
.long 0xff0ffff0
__v7_proc __v7_ca15mp_setup, hwcaps = HWCAP_IDIV
__v7_proc __v7_ca15mp_setup
.size __v7_ca15mp_proc_info, . - __v7_ca15mp_proc_info
/*
* Qualcomm Inc. Krait processors.
*/
.type __krait_proc_info, #object
__krait_proc_info:
.long 0x510f0400 @ Required ID value
.long 0xff0ffc00 @ Mask for ID
/*
* Some Krait processors don't indicate support for SDIV and UDIV
* instructions in the ARM instruction set, even though they actually
* do support them.
*/
__v7_proc __v7_setup, hwcaps = HWCAP_IDIV
.size __krait_proc_info, . - __krait_proc_info
/*
* Match any ARMv7 processor core.
*/
......
arch/mips/Kconfig
浏览文件 @ 5b4bdac9
......@@ -18,7 +18,7 @@ config MIPS
select HAVE_KRETPROBES
select HAVE_DEBUG_KMEMLEAK
select ARCH_BINFMT_ELF_RANDOMIZE_PIE
select HAVE_ARCH_TRANSPARENT_HUGEPAGE
select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
select RTC_LIB if !MACH_LOONGSON
select GENERIC_ATOMIC64 if !64BIT
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
......@@ -657,7 +657,7 @@ config SNI_RM
bool "SNI RM200/300/400"
select FW_ARC if CPU_LITTLE_ENDIAN
select FW_ARC32 if CPU_LITTLE_ENDIAN
select SNIPROM if CPU_BIG_ENDIAN
select FW_SNIPROM if CPU_BIG_ENDIAN
select ARCH_MAY_HAVE_PC_FDC
select BOOT_ELF32
select CEVT_R4K
......@@ -1144,7 +1144,7 @@ config DEFAULT_SGI_PARTITION
config FW_ARC32
bool
config SNIPROM
config FW_SNIPROM
bool
config BOOT_ELF32
......@@ -1493,7 +1493,6 @@ config CPU_XLP
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
select CPU_HAS_LLSC
select WEAK_ORDERING
select WEAK_REORDERING_BEYOND_LLSC
select CPU_HAS_PREFETCH
......
arch/mips/bcm63xx/boards/board_bcm963xx.c
浏览文件 @ 5b4bdac9
......@@ -745,10 +745,7 @@ void __init board_prom_init(void)
strcpy(cfe_version, "unknown");
printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
if (bcm63xx_nvram_init(boot_addr + BCM963XX_NVRAM_OFFSET)) {
printk(KERN_ERR PFX "invalid nvram checksum\n");
return;
}
bcm63xx_nvram_init(boot_addr + BCM963XX_NVRAM_OFFSET);
board_name = bcm63xx_nvram_get_name();
/* find board by name */
......
arch/mips/bcm63xx/nvram.c
浏览文件 @ 5b4bdac9
......@@ -38,7 +38,7 @@ struct bcm963xx_nvram {
static struct bcm963xx_nvram nvram;
static int mac_addr_used;
int __init bcm63xx_nvram_init(void *addr)
void __init bcm63xx_nvram_init(void *addr)
{
unsigned int check_len;
u32 crc, expected_crc;
......@@ -60,9 +60,8 @@ int __init bcm63xx_nvram_init(void *addr)
crc = crc32_le(~0, (u8 *)&nvram, check_len);
if (crc != expected_crc)
return -EINVAL;
return 0;
pr_warn("nvram checksum failed, contents may be invalid (expected %08x, got %08x)\n",
expected_crc, crc);
}
u8 *bcm63xx_nvram_get_name(void)
......
arch/mips/bcm63xx/setup.c
浏览文件 @ 5b4bdac9
......@@ -157,4 +157,4 @@ int __init bcm63xx_register_devices(void)
return board_register_devices();
}
device_initcall(bcm63xx_register_devices);
arch_initcall(bcm63xx_register_devices);
arch/mips/cavium-octeon/setup.c
浏览文件 @ 5b4bdac9
......@@ -174,7 +174,10 @@ static int octeon_kexec_prepare(struct kimage *image)
static void octeon_generic_shutdown(void)
{
int cpu, i;
int i;
#ifdef CONFIG_SMP
int cpu;
#endif
struct cvmx_bootmem_desc *bootmem_desc;
void *named_block_array_ptr;
......
arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
浏览文件 @ 5b4bdac9
......@@ -9,10 +9,8 @@
*
* Initialized the local nvram copy from the target address and checks
* its checksum.
*
* Returns 0 on success.
*/
int __init bcm63xx_nvram_init(void *nvram);
void bcm63xx_nvram_init(void *nvram);
/**
* bcm63xx_nvram_get_name() - returns the board name according to nvram
......
arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h
浏览文件 @ 5b4bdac9
......@@ -28,11 +28,7 @@
/* #define cpu_has_prefetch ? */
#define cpu_has_mcheck 1
/* #define cpu_has_ejtag ? */
#ifdef CONFIG_CPU_HAS_LLSC
#define cpu_has_llsc 1
#else
#define cpu_has_llsc 0
#endif
/* #define cpu_has_vtag_icache ? */
/* #define cpu_has_dc_aliases ? */
/* #define cpu_has_ic_fills_f_dc ? */
......
arch/mips/include/asm/mipsregs.h
浏览文件 @ 5b4bdac9
......@@ -1166,7 +1166,10 @@ do { \
unsigned int __dspctl; \
\
__asm__ __volatile__( \
" .set push \n" \
" .set dsp \n" \
" rddsp %0, %x1 \n" \
" .set pop \n" \
: "=r" (__dspctl) \
: "i" (mask)); \
__dspctl; \
......@@ -1175,30 +1178,198 @@ do { \
#define wrdsp(val, mask) \
do { \
__asm__ __volatile__( \
" .set push \n" \
" .set dsp \n" \
" wrdsp %0, %x1 \n" \
" .set pop \n" \
: \
: "r" (val), "i" (mask)); \
} while (0)
#define mflo0() ({ long mflo0; __asm__("mflo %0, $ac0" : "=r" (mflo0)); mflo0;})
#define mflo1() ({ long mflo1; __asm__("mflo %0, $ac1" : "=r" (mflo1)); mflo1;})
#define mflo2() ({ long mflo2; __asm__("mflo %0, $ac2" : "=r" (mflo2)); mflo2;})
#define mflo3() ({ long mflo3; __asm__("mflo %0, $ac3" : "=r" (mflo3)); mflo3;})
#define mfhi0() ({ long mfhi0; __asm__("mfhi %0, $ac0" : "=r" (mfhi0)); mfhi0;})
#define mfhi1() ({ long mfhi1; __asm__("mfhi %0, $ac1" : "=r" (mfhi1)); mfhi1;})
#define mfhi2() ({ long mfhi2; __asm__("mfhi %0, $ac2" : "=r" (mfhi2)); mfhi2;})
#define mfhi3() ({ long mfhi3; __asm__("mfhi %0, $ac3" : "=r" (mfhi3)); mfhi3;})
#define mtlo0(x) __asm__("mtlo %0, $ac0" ::"r" (x))
#define mtlo1(x) __asm__("mtlo %0, $ac1" ::"r" (x))
#define mtlo2(x) __asm__("mtlo %0, $ac2" ::"r" (x))
#define mtlo3(x) __asm__("mtlo %0, $ac3" ::"r" (x))
#define mthi0(x) __asm__("mthi %0, $ac0" ::"r" (x))
#define mthi1(x) __asm__("mthi %0, $ac1" ::"r" (x))
#define mthi2(x) __asm__("mthi %0, $ac2" ::"r" (x))
#define mthi3(x) __asm__("mthi %0, $ac3" ::"r" (x))
#define mflo0() \
({ \
long mflo0; \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mflo %0, $ac0 \n" \
" .set pop \n" \
: "=r" (mflo0)); \
mflo0; \
})
#define mflo1() \
({ \
long mflo1; \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mflo %0, $ac1 \n" \
" .set pop \n" \
: "=r" (mflo1)); \
mflo1; \
})
#define mflo2() \
({ \
long mflo2; \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mflo %0, $ac2 \n" \
" .set pop \n" \
: "=r" (mflo2)); \
mflo2; \
})
#define mflo3() \
({ \
long mflo3; \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mflo %0, $ac3 \n" \
" .set pop \n" \
: "=r" (mflo3)); \
mflo3; \
})
#define mfhi0() \
({ \
long mfhi0; \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mfhi %0, $ac0 \n" \
" .set pop \n" \
: "=r" (mfhi0)); \
mfhi0; \
})
#define mfhi1() \
({ \
long mfhi1; \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mfhi %0, $ac1 \n" \
" .set pop \n" \
: "=r" (mfhi1)); \
mfhi1; \
})
#define mfhi2() \
({ \
long mfhi2; \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mfhi %0, $ac2 \n" \
" .set pop \n" \
: "=r" (mfhi2)); \
mfhi2; \
})
#define mfhi3() \
({ \
long mfhi3; \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mfhi %0, $ac3 \n" \
" .set pop \n" \
: "=r" (mfhi3)); \
mfhi3; \
})
#define mtlo0(x) \
({ \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mtlo %0, $ac0 \n" \
" .set pop \n" \
: \
: "r" (x)); \
})
#define mtlo1(x) \
({ \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mtlo %0, $ac1 \n" \
" .set pop \n" \
: \
: "r" (x)); \
})
#define mtlo2(x) \
({ \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mtlo %0, $ac2 \n" \
" .set pop \n" \
: \
: "r" (x)); \
})
#define mtlo3(x) \
({ \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mtlo %0, $ac3 \n" \
" .set pop \n" \
: \
: "r" (x)); \
})
#define mthi0(x) \
({ \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mthi %0, $ac0 \n" \
" .set pop \n" \
: \
: "r" (x)); \
})
#define mthi1(x) \
({ \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mthi %0, $ac1 \n" \
" .set pop \n" \
: \
: "r" (x)); \
})
#define mthi2(x) \
({ \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mthi %0, $ac2 \n" \
" .set pop \n" \
: \
: "r" (x)); \
})
#define mthi3(x) \
({ \
__asm__( \
" .set push \n" \
" .set dsp \n" \
" mthi %0, $ac3 \n" \
" .set pop \n" \
: \
: "r" (x)); \
})
#else
......
arch/mips/include/asm/signal.h
浏览文件 @ 5b4bdac9
......@@ -21,6 +21,6 @@
#include <asm/sigcontext.h>
#include <asm/siginfo.h>
#define __ARCH_HAS_ODD_SIGACTION
#define __ARCH_HAS_IRIX_SIGACTION
#endif /* _ASM_SIGNAL_H */
arch/mips/include/uapi/asm/signal.h
浏览文件 @ 5b4bdac9
......@@ -72,6 +72,12 @@ typedef unsigned long old_sigset_t; /* at least 32 bits */
*
* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
* Unix names RESETHAND and NODEFER respectively.
*
* SA_RESTORER used to be defined as 0x04000000 but only the O32 ABI ever
* supported its use and no libc was using it, so the entire sa-restorer
* functionality was removed with lmo commit 39bffc12c3580ab for 2.5.48
* retaining only the SA_RESTORER definition as a reminder to avoid
* accidental reuse of the mask bit.
*/
#define SA_ONSTACK 0x08000000
#define SA_RESETHAND 0x80000000
......@@ -84,8 +90,6 @@ typedef unsigned long old_sigset_t; /* at least 32 bits */
#define SA_NOMASK SA_NODEFER
#define SA_ONESHOT SA_RESETHAND
#define SA_RESTORER 0x04000000 /* Only for o32 */
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
......
arch/mips/kernel/Makefile
浏览文件 @ 5b4bdac9
......@@ -100,29 +100,16 @@ obj-$(CONFIG_HW_PERF_EVENTS) += perf_event_mipsxx.o
obj-$(CONFIG_JUMP_LABEL) += jump_label.o
#
# DSP ASE supported for MIPS32 or MIPS64 Release 2 cores only. It is safe
# to enable DSP assembler support here even if the MIPS Release 2 CPU we
# are targetting does not support DSP because all code-paths making use of
# it properly check that the running CPU *actually does* support these
# instructions.
# DSP ASE supported for MIPS32 or MIPS64 Release 2 cores only. It is not
# safe to unconditionnaly use the assembler -mdsp / -mdspr2 switches
# here because the compiler may use DSP ASE instructions (such as lwx) in
# code paths where we cannot check that the CPU we are running on supports it.
# Proper abstraction using HAVE_AS_DSP and macros is done in
# arch/mips/include/asm/mipsregs.h.
#
ifeq ($(CONFIG_CPU_MIPSR2), y)
CFLAGS_DSP = -DHAVE_AS_DSP
#
# Check if assembler supports DSP ASE
#
ifeq ($(call cc-option-yn,-mdsp), y)
CFLAGS_DSP += -mdsp
endif
#
# Check if assembler supports DSP ASE Rev2
#
ifeq ($(call cc-option-yn,-mdspr2), y)
CFLAGS_DSP += -mdspr2
endif
CFLAGS_signal.o = $(CFLAGS_DSP)
CFLAGS_signal32.o = $(CFLAGS_DSP)
CFLAGS_process.o = $(CFLAGS_DSP)
......
arch/mips/kernel/cpu-probe.c
浏览文件 @ 5b4bdac9
......@@ -580,6 +580,9 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
c->tlbsize = 48;
break;
case PRID_IMP_VR41XX:
set_isa(c, MIPS_CPU_ISA_III);
c->options = R4K_OPTS;
c->tlbsize = 32;
switch (c->processor_id & 0xf0) {
case PRID_REV_VR4111:
c->cputype = CPU_VR4111;
......@@ -604,6 +607,7 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
__cpu_name[cpu] = "NEC VR4131";
} else {
c->cputype = CPU_VR4133;
c->options |= MIPS_CPU_LLSC;
__cpu_name[cpu] = "NEC VR4133";
}
break;
......@@ -613,9 +617,6 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
__cpu_name[cpu] = "NEC Vr41xx";
break;
}
set_isa(c, MIPS_CPU_ISA_III);
c->options = R4K_OPTS;
c->tlbsize = 32;
break;
case PRID_IMP_R4300:
c->cputype = CPU_R4300;
......@@ -1226,10 +1227,8 @@ __cpuinit void cpu_probe(void)
if (c->options & MIPS_CPU_FPU) {
c->fpu_id = cpu_get_fpu_id();
if (c->isa_level == MIPS_CPU_ISA_M32R1 ||
c->isa_level == MIPS_CPU_ISA_M32R2 ||
c->isa_level == MIPS_CPU_ISA_M64R1 ||
c->isa_level == MIPS_CPU_ISA_M64R2) {
if (c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 |
MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2)) {
if (c->fpu_id & MIPS_FPIR_3D)
c->ases |= MIPS_ASE_MIPS3D;
}
......
arch/mips/kernel/linux32.c
浏览文件 @ 5b4bdac9
......@@ -171,7 +171,7 @@ SYSCALL_DEFINE6(32_ipc, u32, call, long, first, long, second, long, third,
err = compat_sys_shmctl(first, second, compat_ptr(ptr));
break;
default:
err = -EINVAL;
err = -ENOSYS;
break;
}
......
arch/mips/kernel/mcount.S
浏览文件 @ 5b4bdac9
......@@ -46,10 +46,9 @@
PTR_L a5, PT_R9(sp)
PTR_L a6, PT_R10(sp)
PTR_L a7, PT_R11(sp)
#else
PTR_ADDIU sp, PT_SIZE
#endif
.endm
PTR_ADDIU sp, PT_SIZE
.endm
.macro RETURN_BACK
jr ra
......@@ -68,7 +67,11 @@ NESTED(ftrace_caller, PT_SIZE, ra)
.globl _mcount
_mcount:
b ftrace_stub
addiu sp,sp,8
#ifdef CONFIG_32BIT
addiu sp,sp,8
#else
nop
#endif
/* When tracing is activated, it calls ftrace_caller+8 (aka here) */
lw t1, function_trace_stop
......
arch/mips/kernel/proc.c
浏览文件 @ 5b4bdac9
......@@ -67,7 +67,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
if (cpu_has_mips_r) {
seq_printf(m, "isa\t\t\t:");
if (cpu_has_mips_1)
seq_printf(m, "%s", "mips1");
seq_printf(m, "%s", " mips1");
if (cpu_has_mips_2)
seq_printf(m, "%s", " mips2");
if (cpu_has_mips_3)
......
arch/mips/kernel/traps.c
浏览文件 @ 5b4bdac9
......@@ -1571,7 +1571,7 @@ void __cpuinit per_cpu_trap_init(bool is_boot_cpu)
#ifdef CONFIG_64BIT
status_set |= ST0_FR|ST0_KX|ST0_SX|ST0_UX;
#endif
if (current_cpu_data.isa_level == MIPS_CPU_ISA_IV)
if (current_cpu_data.isa_level & MIPS_CPU_ISA_IV)
status_set |= ST0_XX;
if (cpu_has_dsp)
status_set |= ST0_MX;
......
arch/mips/lib/bitops.c
浏览文件 @ 5b4bdac9
......@@ -90,12 +90,12 @@ int __mips_test_and_set_bit(unsigned long nr,
unsigned bit = nr & SZLONG_MASK;
unsigned long mask;
unsigned long flags;
unsigned long res;
int res;
a += nr >> SZLONG_LOG;
mask = 1UL << bit;
raw_local_irq_save(flags);
res = (mask & *a);
res = (mask & *a) != 0;
*a |= mask;
raw_local_irq_restore(flags);
return res;
......@@ -116,12 +116,12 @@ int __mips_test_and_set_bit_lock(unsigned long nr,
unsigned bit = nr & SZLONG_MASK;
unsigned long mask;
unsigned long flags;
unsigned long res;
int res;
a += nr >> SZLONG_LOG;
mask = 1UL << bit;
raw_local_irq_save(flags);
res = (mask & *a);
res = (mask & *a) != 0;
*a |= mask;
raw_local_irq_restore(flags);
return res;
......@@ -141,12 +141,12 @@ int __mips_test_and_clear_bit(unsigned long nr, volatile unsigned long *addr)
unsigned bit = nr & SZLONG_MASK;
unsigned long mask;
unsigned long flags;
unsigned long res;
int res;
a += nr >> SZLONG_LOG;
mask = 1UL << bit;
raw_local_irq_save(flags);
res = (mask & *a);
res = (mask & *a) != 0;
*a &= ~mask;
raw_local_irq_restore(flags);
return res;
......@@ -166,12 +166,12 @@ int __mips_test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
unsigned bit = nr & SZLONG_MASK;
unsigned long mask;
unsigned long flags;
unsigned long res;
int res;
a += nr >> SZLONG_LOG;
mask = 1UL << bit;
raw_local_irq_save(flags);
res = (mask & *a);
res = (mask & *a) != 0;
*a ^= mask;
raw_local_irq_restore(flags);
return res;
......
arch/mips/lib/csum_partial.S
浏览文件 @ 5b4bdac9
......@@ -270,7 +270,7 @@ LEAF(csum_partial)
#endif
/* odd buffer alignment? */
#ifdef CPU_MIPSR2
#ifdef CONFIG_CPU_MIPSR2
wsbh v1, sum
movn sum, v1, t7
#else
......@@ -670,7 +670,7 @@ EXC( sb t0, NBYTES-2(dst), .Ls_exc)
addu sum, v1
#endif
#ifdef CPU_MIPSR2
#ifdef CONFIG_CPU_MIPSR2
wsbh v1, sum
movn sum, v1, odd
#else
......
arch/mips/mm/c-r4k.c
浏览文件 @ 5b4bdac9
......@@ -1247,10 +1247,8 @@ static void __cpuinit setup_scache(void)
return;
default:
if (c->isa_level == MIPS_CPU_ISA_M32R1 ||
c->isa_level == MIPS_CPU_ISA_M32R2 ||
c->isa_level == MIPS_CPU_ISA_M64R1 ||
c->isa_level == MIPS_CPU_ISA_M64R2) {
if (c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 |
MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2)) {
#ifdef CONFIG_MIPS_CPU_SCACHE
if (mips_sc_init ()) {
scache_size = c->scache.ways * c->scache.sets * c->scache.linesz;
......
arch/mips/mm/sc-mips.c
浏览文件 @ 5b4bdac9
......@@ -98,10 +98,8 @@ static inline int __init mips_sc_probe(void)
c->scache.flags |= MIPS_CACHE_NOT_PRESENT;
/* Ignore anything but MIPSxx processors */
if (c->isa_level != MIPS_CPU_ISA_M32R1 &&
c->isa_level != MIPS_CPU_ISA_M32R2 &&
c->isa_level != MIPS_CPU_ISA_M64R1 &&
c->isa_level != MIPS_CPU_ISA_M64R2)
if (!(c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 |
MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2)))
return 0;
/* Does this MIPS32/MIPS64 CPU have a config2 register? */
......
arch/mips/pci/pci-alchemy.c
浏览文件 @ 5b4bdac9
......@@ -19,7 +19,7 @@
#include <asm/mach-au1x00/au1000.h>
#include <asm/tlbmisc.h>
#ifdef CONFIG_DEBUG_PCI
#ifdef CONFIG_PCI_DEBUG
#define DBG(x...) printk(KERN_DEBUG x)
#else
#define DBG(x...) do {} while (0)
......@@ -162,7 +162,7 @@ static int config_access(unsigned char access_type, struct pci_bus *bus,
if (status & (1 << 29)) {
*data = 0xffffffff;
error = -1;
DBG("alchemy-pci: master abort on cfg access %d bus %d dev %d",
DBG("alchemy-pci: master abort on cfg access %d bus %d dev %d\n",
access_type, bus->number, device);
} else if ((status >> 28) & 0xf) {
DBG("alchemy-pci: PCI ERR detected: dev %d, status %lx\n",
......
arch/s390/include/asm/pgtable.h
浏览文件 @ 5b4bdac9
......@@ -344,6 +344,7 @@ extern unsigned long MODULES_END;
#define _REGION3_ENTRY_CO 0x100 /* change-recording override */
/* Bits in the segment table entry */
#define _SEGMENT_ENTRY_ORIGIN_LARGE ~0xfffffUL /* large page address */
#define _SEGMENT_ENTRY_ORIGIN ~0x7ffUL/* segment table origin */
#define _SEGMENT_ENTRY_RO 0x200 /* page protection bit */
#define _SEGMENT_ENTRY_INV 0x20 /* invalid segment table entry */
......@@ -1531,7 +1532,8 @@ extern int s390_enable_sie(void);
/*
* No page table caches to initialise
*/
#define pgtable_cache_init() do { } while (0)
static inline void pgtable_cache_init(void) { }
static inline void check_pgt_cache(void) { }
#include <asm-generic/pgtable.h>
......
arch/s390/lib/uaccess_pt.c
浏览文件 @ 5b4bdac9
......@@ -77,42 +77,69 @@ static size_t copy_in_kernel(size_t count, void __user *to,
* >= -4095 (IS_ERR_VALUE(x) returns true), a fault has occured and the address
* contains the (negative) exception code.
*/
static __always_inline unsigned long follow_table(struct mm_struct *mm,
unsigned long addr, int write)
#ifdef CONFIG_64BIT
static unsigned long follow_table(struct mm_struct *mm,
unsigned long address, int write)
{
pgd_t *pgd;
pud_t *pud;
pmd_t *pmd;
pte_t *ptep;
unsigned long *table = (unsigned long *)__pa(mm->pgd);
switch (mm->context.asce_bits & _ASCE_TYPE_MASK) {
case _ASCE_TYPE_REGION1:
table = table + ((address >> 53) & 0x7ff);
if (unlikely(*table & _REGION_ENTRY_INV))
return -0x39UL;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
case _ASCE_TYPE_REGION2:
table = table + ((address >> 42) & 0x7ff);
if (unlikely(*table & _REGION_ENTRY_INV))
return -0x3aUL;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
case _ASCE_TYPE_REGION3:
table = table + ((address >> 31) & 0x7ff);
if (unlikely(*table & _REGION_ENTRY_INV))
return -0x3bUL;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
case _ASCE_TYPE_SEGMENT:
table = table + ((address >> 20) & 0x7ff);
if (unlikely(*table & _SEGMENT_ENTRY_INV))
return -0x10UL;
if (unlikely(*table & _SEGMENT_ENTRY_LARGE)) {
if (write && (*table & _SEGMENT_ENTRY_RO))
return -0x04UL;
return (*table & _SEGMENT_ENTRY_ORIGIN_LARGE) +
(address & ~_SEGMENT_ENTRY_ORIGIN_LARGE);
}
table = (unsigned long *)(*table & _SEGMENT_ENTRY_ORIGIN);
}
table = table + ((address >> 12) & 0xff);
if (unlikely(*table & _PAGE_INVALID))
return -0x11UL;
if (write && (*table & _PAGE_RO))
return -0x04UL;
return (*table & PAGE_MASK) + (address & ~PAGE_MASK);
}
pgd = pgd_offset(mm, addr);
if (pgd_none(*pgd) || unlikely(pgd_bad(*pgd)))
return -0x3aUL;
#else /* CONFIG_64BIT */
pud = pud_offset(pgd, addr);
if (pud_none(*pud) || unlikely(pud_bad(*pud)))
return -0x3bUL;
static unsigned long follow_table(struct mm_struct *mm,
unsigned long address, int write)
{
unsigned long *table = (unsigned long *)__pa(mm->pgd);
pmd = pmd_offset(pud, addr);
if (pmd_none(*pmd))
table = table + ((address >> 20) & 0x7ff);
if (unlikely(*table & _SEGMENT_ENTRY_INV))
return -0x10UL;
if (pmd_large(*pmd)) {
if (write && (pmd_val(*pmd) & _SEGMENT_ENTRY_RO))
return -0x04UL;
return (pmd_val(*pmd) & HPAGE_MASK) + (addr & ~HPAGE_MASK);
}
if (unlikely(pmd_bad(*pmd)))
return -0x10UL;
ptep = pte_offset_map(pmd, addr);
if (!pte_present(*ptep))
table = (unsigned long *)(*table & _SEGMENT_ENTRY_ORIGIN);
table = table + ((address >> 12) & 0xff);
if (unlikely(*table & _PAGE_INVALID))
return -0x11UL;
if (write && (!pte_write(*ptep) || !pte_dirty(*ptep)))
if (write && (*table & _PAGE_RO))
return -0x04UL;
return (pte_val(*ptep) & PAGE_MASK) + (addr & ~PAGE_MASK);
return (*table & PAGE_MASK) + (address & ~PAGE_MASK);
}
#endif /* CONFIG_64BIT */
static __always_inline size_t __user_copy_pt(unsigned long uaddr, void *kptr,
size_t n, int write_user)
{
......@@ -197,7 +224,7 @@ size_t copy_to_user_pt(size_t n, void __user *to, const void *from)
static size_t clear_user_pt(size_t n, void __user *to)
{
void *zpage = &empty_zero_page;
void *zpage = (void *) empty_zero_page;
long done, size, ret;
done = 0;
......
arch/tile/kernel/setup.c
浏览文件 @ 5b4bdac9
......@@ -1004,15 +1004,8 @@ void __cpuinit setup_cpu(int boot)
#ifdef CONFIG_BLK_DEV_INITRD
/*
* Note that the kernel can potentially support other compression
* techniques than gz, though we don't do so by default. If we ever
* decide to do so we can either look for other filename extensions,
* or just allow a file with this name to be compressed with an
* arbitrary compressor (somewhat counterintuitively).
*/
static int __initdata set_initramfs_file;
static char __initdata initramfs_file[128] = "initramfs.cpio.gz";
static char __initdata initramfs_file[128] = "initramfs";
static int __init setup_initramfs_file(char *str)
{
......@@ -1026,9 +1019,9 @@ static int __init setup_initramfs_file(char *str)
early_param("initramfs_file", setup_initramfs_file);
/*
* We look for an "initramfs.cpio.gz" file in the hvfs.
* If there is one, we allocate some memory for it and it will be
* unpacked to the initramfs.
* We look for a file called "initramfs" in the hvfs. If there is one, we
* allocate some memory for it and it will be unpacked to the initramfs.
* If it's compressed, the initd code will uncompress it first.
*/
static void __init load_hv_initrd(void)
{
......@@ -1038,10 +1031,16 @@ static void __init load_hv_initrd(void)
fd = hv_fs_findfile((HV_VirtAddr) initramfs_file);
if (fd == HV_ENOENT) {
if (set_initramfs_file)
if (set_initramfs_file) {
pr_warning("No such hvfs initramfs file '%s'\n",
initramfs_file);
return;
return;
} else {
/* Try old backwards-compatible name. */
fd = hv_fs_findfile((HV_VirtAddr)"initramfs.cpio.gz");
if (fd == HV_ENOENT)
return;
}
}
BUG_ON(fd < 0);
stat = hv_fs_fstat(fd);
......
arch/x86/boot/compressed/Makefile
浏览文件 @ 5b4bdac9
......@@ -4,7 +4,7 @@
# create a compressed vmlinux image from the original vmlinux
#
targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo head_$(BITS).o misc.o string.o cmdline.o early_serial_console.o piggy.o
targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo
KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
KBUILD_CFLAGS += -fno-strict-aliasing -fPIC
......@@ -29,7 +29,6 @@ VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \
$(obj)/piggy.o
$(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone
$(obj)/efi_stub_$(BITS).o: KBUILD_CLFAGS += -fshort-wchar -mno-red-zone
ifeq ($(CONFIG_EFI_STUB), y)
VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o
......@@ -43,7 +42,7 @@ OBJCOPYFLAGS_vmlinux.bin := -R .comment -S
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
targets += vmlinux.bin.all vmlinux.relocs
targets += $(patsubst $(obj)/%,%,$(VMLINUX_OBJS)) vmlinux.bin.all vmlinux.relocs
CMD_RELOCS = arch/x86/tools/relocs
quiet_cmd_relocs = RELOCS $@
......
arch/x86/include/asm/syscall.h
浏览文件 @ 5b4bdac9
......@@ -29,13 +29,13 @@ extern const unsigned long sys_call_table[];
*/
static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
{
return regs->orig_ax & __SYSCALL_MASK;
return regs->orig_ax;
}
static inline void syscall_rollback(struct task_struct *task,
struct pt_regs *regs)
{
regs->ax = regs->orig_ax & __SYSCALL_MASK;
regs->ax = regs->orig_ax;
}
static inline long syscall_get_error(struct task_struct *task,
......
arch/x86/kvm/lapic.c
浏览文件 @ 5b4bdac9
......@@ -1857,7 +1857,7 @@ int kvm_lapic_enable_pv_eoi(struct kvm_vcpu *vcpu, u64 data)
if (!pv_eoi_enabled(vcpu))
return 0;
return kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.pv_eoi.data,
addr);
addr, sizeof(u8));
}
void kvm_lapic_init(void)
......
arch/x86/kvm/x86.c
浏览文件 @ 5b4bdac9
......@@ -1823,7 +1823,8 @@ static int kvm_pv_enable_async_pf(struct kvm_vcpu *vcpu, u64 data)
return 0;
}
if (kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.apf.data, gpa))
if (kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.apf.data, gpa,
sizeof(u32)))
return 1;
vcpu->arch.apf.send_user_only = !(data & KVM_ASYNC_PF_SEND_ALWAYS);
......@@ -1952,12 +1953,9 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
gpa_offset = data & ~(PAGE_MASK | 1);
/* Check that the address is 32-byte aligned. */
if (gpa_offset & (sizeof(struct pvclock_vcpu_time_info) - 1))
break;
if (kvm_gfn_to_hva_cache_init(vcpu->kvm,
&vcpu->arch.pv_time, data & ~1ULL))
&vcpu->arch.pv_time, data & ~1ULL,
sizeof(struct pvclock_vcpu_time_info)))
vcpu->arch.pv_time_enabled = false;
else
vcpu->arch.pv_time_enabled = true;
......@@ -1977,7 +1975,8 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
return 1;
if (kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.st.stime,
data & KVM_STEAL_VALID_BITS))
data & KVM_STEAL_VALID_BITS,
sizeof(struct kvm_steal_time)))
return 1;
vcpu->arch.st.msr_val = data;
......
drivers/acpi/Kconfig
浏览文件 @ 5b4bdac9
......@@ -334,7 +334,7 @@ config X86_PM_TIMER
config ACPI_CONTAINER
bool "Container and Module Devices"
default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO)
default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU)
help
This driver supports ACPI Container and Module devices (IDs
ACPI0004, PNP0A05, and PNP0A06).
......@@ -345,9 +345,8 @@ config ACPI_CONTAINER
the module will be called container.
config ACPI_HOTPLUG_MEMORY
tristate "Memory Hotplug"
bool "Memory Hotplug"
depends on MEMORY_HOTPLUG
default n
help
This driver supports ACPI memory hotplug. The driver
fields notifications on ACPI memory devices (PNP0C80),
......@@ -396,7 +395,7 @@ config ACPI_CUSTOM_METHOD
config ACPI_BGRT
bool "Boottime Graphics Resource Table support"
depends on EFI
depends on EFI && X86
help
This driver adds support for exposing the ACPI Boottime Graphics
Resource Table, which allows the operating system to obtain
......
drivers/acpi/Makefile
浏览文件 @ 5b4bdac9
......@@ -39,6 +39,7 @@ acpi-y += ec.o
acpi-$(CONFIG_ACPI_DOCK) += dock.o
acpi-y += pci_root.o pci_link.o pci_irq.o
acpi-y += csrt.o
acpi-$(CONFIG_X86_INTEL_LPSS) += acpi_lpss.o
acpi-y += acpi_platform.o
acpi-y += power.o
acpi-y += event.o
......
drivers/acpi/acpi_i2c.c
浏览文件 @ 5b4bdac9
......@@ -90,7 +90,7 @@ void acpi_i2c_register_devices(struct i2c_adapter *adapter)
acpi_handle handle;
acpi_status status;
handle = ACPI_HANDLE(&adapter->dev);
handle = ACPI_HANDLE(adapter->dev.parent);
if (!handle)
return;
......
drivers/acpi/acpi_lpss.c 0 → 100644
浏览文件 @ 5b4bdac9
/*
* ACPI support for Intel Lynxpoint LPSS.
*
* Copyright (C) 2013, Intel Corporation
* Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
* Rafael J. Wysocki <rafael.j.wysocki@intel.com>
*
* 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/acpi.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/platform_data/clk-lpss.h>
#include <linux/pm_runtime.h>
#include "internal.h"
ACPI_MODULE_NAME("acpi_lpss");
#define LPSS_CLK_SIZE 0x04
#define LPSS_LTR_SIZE 0x18
/* Offsets relative to LPSS_PRIVATE_OFFSET */
#define LPSS_GENERAL 0x08
#define LPSS_GENERAL_LTR_MODE_SW BIT(2)
#define LPSS_SW_LTR 0x10
#define LPSS_AUTO_LTR 0x14
struct lpss_device_desc {
bool clk_required;
const char *clk_parent;
bool ltr_required;
unsigned int prv_offset;
};
struct lpss_private_data {
void __iomem *mmio_base;
resource_size_t mmio_size;
struct clk *clk;
const struct lpss_device_desc *dev_desc;
};
static struct lpss_device_desc lpt_dev_desc = {
.clk_required = true,
.clk_parent = "lpss_clk",
.prv_offset = 0x800,
.ltr_required = true,
};
static struct lpss_device_desc lpt_sdio_dev_desc = {
.prv_offset = 0x1000,
.ltr_required = true,
};
static const struct acpi_device_id acpi_lpss_device_ids[] = {
/* Lynxpoint LPSS devices */
{ "INT33C0", (unsigned long)&lpt_dev_desc },
{ "INT33C1", (unsigned long)&lpt_dev_desc },
{ "INT33C2", (unsigned long)&lpt_dev_desc },
{ "INT33C3", (unsigned long)&lpt_dev_desc },
{ "INT33C4", (unsigned long)&lpt_dev_desc },
{ "INT33C5", (unsigned long)&lpt_dev_desc },
{ "INT33C6", (unsigned long)&lpt_sdio_dev_desc },
{ "INT33C7", },
{ }
};
static int is_memory(struct acpi_resource *res, void *not_used)
{
struct resource r;
return !acpi_dev_resource_memory(res, &r);
}
/* LPSS main clock device. */
static struct platform_device *lpss_clk_dev;
static inline void lpt_register_clock_device(void)
{
lpss_clk_dev = platform_device_register_simple("clk-lpt", -1, NULL, 0);
}
static int register_device_clock(struct acpi_device *adev,
struct lpss_private_data *pdata)
{
const struct lpss_device_desc *dev_desc = pdata->dev_desc;
if (!lpss_clk_dev)
lpt_register_clock_device();
if (!dev_desc->clk_parent || !pdata->mmio_base
|| pdata->mmio_size < dev_desc->prv_offset + LPSS_CLK_SIZE)
return -ENODATA;
pdata->clk = clk_register_gate(NULL, dev_name(&adev->dev),
dev_desc->clk_parent, 0,
pdata->mmio_base + dev_desc->prv_offset,
0, 0, NULL);
if (IS_ERR(pdata->clk))
return PTR_ERR(pdata->clk);
clk_register_clkdev(pdata->clk, NULL, dev_name(&adev->dev));
return 0;
}
static int acpi_lpss_create_device(struct acpi_device *adev,
const struct acpi_device_id *id)
{
struct lpss_device_desc *dev_desc;
struct lpss_private_data *pdata;
struct resource_list_entry *rentry;
struct list_head resource_list;
int ret;
dev_desc = (struct lpss_device_desc *)id->driver_data;
if (!dev_desc)
return acpi_create_platform_device(adev, id);
pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
INIT_LIST_HEAD(&resource_list);
ret = acpi_dev_get_resources(adev, &resource_list, is_memory, NULL);
if (ret < 0)
goto err_out;
list_for_each_entry(rentry, &resource_list, node)
if (resource_type(&rentry->res) == IORESOURCE_MEM) {
pdata->mmio_size = resource_size(&rentry->res);
pdata->mmio_base = ioremap(rentry->res.start,
pdata->mmio_size);
pdata->dev_desc = dev_desc;
break;
}
acpi_dev_free_resource_list(&resource_list);
if (dev_desc->clk_required) {
ret = register_device_clock(adev, pdata);
if (ret) {
/*
* Skip the device, but don't terminate the namespace
* scan.
*/
kfree(pdata);
return 0;
}
}
adev->driver_data = pdata;
ret = acpi_create_platform_device(adev, id);
if (ret > 0)
return ret;
adev->driver_data = NULL;
err_out:
kfree(pdata);
return ret;
}
static int lpss_reg_read(struct device *dev, unsigned int reg, u32 *val)
{
struct acpi_device *adev;
struct lpss_private_data *pdata;
unsigned long flags;
int ret;
ret = acpi_bus_get_device(ACPI_HANDLE(dev), &adev);
if (WARN_ON(ret))
return ret;
spin_lock_irqsave(&dev->power.lock, flags);
if (pm_runtime_suspended(dev)) {
ret = -EAGAIN;
goto out;
}
pdata = acpi_driver_data(adev);
if (WARN_ON(!pdata || !pdata->mmio_base)) {
ret = -ENODEV;
goto out;
}
*val = readl(pdata->mmio_base + pdata->dev_desc->prv_offset + reg);
out:
spin_unlock_irqrestore(&dev->power.lock, flags);
return ret;
}
static ssize_t lpss_ltr_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
u32 ltr_value = 0;
unsigned int reg;
int ret;
reg = strcmp(attr->attr.name, "auto_ltr") ? LPSS_SW_LTR : LPSS_AUTO_LTR;
ret = lpss_reg_read(dev, reg, &ltr_value);
if (ret)
return ret;
return snprintf(buf, PAGE_SIZE, "%08x\n", ltr_value);
}
static ssize_t lpss_ltr_mode_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
u32 ltr_mode = 0;
char *outstr;
int ret;
ret = lpss_reg_read(dev, LPSS_GENERAL, &ltr_mode);
if (ret)
return ret;
outstr = (ltr_mode & LPSS_GENERAL_LTR_MODE_SW) ? "sw" : "auto";
return sprintf(buf, "%s\n", outstr);
}
static DEVICE_ATTR(auto_ltr, S_IRUSR, lpss_ltr_show, NULL);
static DEVICE_ATTR(sw_ltr, S_IRUSR, lpss_ltr_show, NULL);
static DEVICE_ATTR(ltr_mode, S_IRUSR, lpss_ltr_mode_show, NULL);
static struct attribute *lpss_attrs[] = {
&dev_attr_auto_ltr.attr,
&dev_attr_sw_ltr.attr,
&dev_attr_ltr_mode.attr,
NULL,
};
static struct attribute_group lpss_attr_group = {
.attrs = lpss_attrs,
.name = "lpss_ltr",
};
static int acpi_lpss_platform_notify(struct notifier_block *nb,
unsigned long action, void *data)
{
struct platform_device *pdev = to_platform_device(data);
struct lpss_private_data *pdata;
struct acpi_device *adev;
const struct acpi_device_id *id;
int ret = 0;
id = acpi_match_device(acpi_lpss_device_ids, &pdev->dev);
if (!id || !id->driver_data)
return 0;
if (acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev))
return 0;
pdata = acpi_driver_data(adev);
if (!pdata || !pdata->mmio_base || !pdata->dev_desc->ltr_required)
return 0;
if (pdata->mmio_size < pdata->dev_desc->prv_offset + LPSS_LTR_SIZE) {
dev_err(&pdev->dev, "MMIO size insufficient to access LTR\n");
return 0;
}
if (action == BUS_NOTIFY_ADD_DEVICE)
ret = sysfs_create_group(&pdev->dev.kobj, &lpss_attr_group);
else if (action == BUS_NOTIFY_DEL_DEVICE)
sysfs_remove_group(&pdev->dev.kobj, &lpss_attr_group);
return ret;
}
static struct notifier_block acpi_lpss_nb = {
.notifier_call = acpi_lpss_platform_notify,
};
static struct acpi_scan_handler lpss_handler = {
.ids = acpi_lpss_device_ids,
.attach = acpi_lpss_create_device,
};
void __init acpi_lpss_init(void)
{
if (!lpt_clk_init()) {
bus_register_notifier(&platform_bus_type, &acpi_lpss_nb);
acpi_scan_add_handler(&lpss_handler);
}
}
drivers/acpi/acpi_memhotplug.c
浏览文件 @ 5b4bdac9
/*
* Copyright (C) 2004 Intel Corporation <naveen.b.s@intel.com>
* Copyright (C) 2004, 2013 Intel Corporation
* Author: Naveen B S <naveen.b.s@intel.com>
* Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
*
* All rights reserved.
*
......@@ -25,14 +27,10 @@
* ranges.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/memory_hotplug.h>
#include <linux/slab.h>
#include <linux/acpi.h>
#include <acpi/acpi_drivers.h>
#include <linux/memory_hotplug.h>
#include "internal.h"
#define ACPI_MEMORY_DEVICE_CLASS "memory"
#define ACPI_MEMORY_DEVICE_HID "PNP0C80"
......@@ -44,32 +42,28 @@
#define PREFIX "ACPI:memory_hp:"
ACPI_MODULE_NAME("acpi_memhotplug");
MODULE_AUTHOR("Naveen B S <naveen.b.s@intel.com>");
MODULE_DESCRIPTION("Hotplug Mem Driver");
MODULE_LICENSE("GPL");
/* Memory Device States */
#define MEMORY_INVALID_STATE 0
#define MEMORY_POWER_ON_STATE 1
#define MEMORY_POWER_OFF_STATE 2
static int acpi_memory_device_add(struct acpi_device *device);
static int acpi_memory_device_remove(struct acpi_device *device);
static int acpi_memory_device_add(struct acpi_device *device,
const struct acpi_device_id *not_used);
static void acpi_memory_device_remove(struct acpi_device *device);
static const struct acpi_device_id memory_device_ids[] = {
{ACPI_MEMORY_DEVICE_HID, 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, memory_device_ids);
static struct acpi_driver acpi_memory_device_driver = {
.name = "acpi_memhotplug",
.class = ACPI_MEMORY_DEVICE_CLASS,
static struct acpi_scan_handler memory_device_handler = {
.ids = memory_device_ids,
.ops = {
.add = acpi_memory_device_add,
.remove = acpi_memory_device_remove,
},
.attach = acpi_memory_device_add,
.detach = acpi_memory_device_remove,
.hotplug = {
.enabled = true,
},
};
struct acpi_memory_info {
......@@ -79,7 +73,6 @@ struct acpi_memory_info {
unsigned short caching; /* memory cache attribute */
unsigned short write_protect; /* memory read/write attribute */
unsigned int enabled:1;
unsigned int failed:1;
};
struct acpi_memory_device {
......@@ -153,48 +146,6 @@ acpi_memory_get_device_resources(struct acpi_memory_device *mem_device)
return 0;
}
static int acpi_memory_get_device(acpi_handle handle,
struct acpi_memory_device **mem_device)
{
struct acpi_device *device = NULL;
int result = 0;
acpi_scan_lock_acquire();
acpi_bus_get_device(handle, &device);
if (device)
goto end;
/*
* Now add the notified device. This creates the acpi_device
* and invokes .add function
*/
result = acpi_bus_scan(handle);
if (result) {
acpi_handle_warn(handle, "ACPI namespace scan failed\n");
result = -EINVAL;
goto out;
}
result = acpi_bus_get_device(handle, &device);
if (result) {
acpi_handle_warn(handle, "Missing device object\n");
result = -EINVAL;
goto out;
}
end:
*mem_device = acpi_driver_data(device);
if (!(*mem_device)) {
dev_err(&device->dev, "driver data not found\n");
result = -ENODEV;
goto out;
}
out:
acpi_scan_lock_release();
return result;
}
static int acpi_memory_check_device(struct acpi_memory_device *mem_device)
{
unsigned long long current_status;
......@@ -249,13 +200,11 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
* returns -EEXIST. If add_memory() returns the other error, it
* means that this memory block is not used by the kernel.
*/
if (result && result != -EEXIST) {
info->failed = 1;
if (result && result != -EEXIST)
continue;
}
if (!result)
info->enabled = 1;
info->enabled = 1;
/*
* Add num_enable even if add_memory() returns -EEXIST, so the
* device is bound to this driver.
......@@ -286,16 +235,8 @@ static int acpi_memory_remove_memory(struct acpi_memory_device *mem_device)
nid = acpi_get_node(mem_device->device->handle);
list_for_each_entry_safe(info, n, &mem_device->res_list, list) {
if (info->failed)
/* The kernel does not use this memory block */
continue;
if (!info->enabled)
/*
* The kernel uses this memory block, but it may be not
* managed by us.
*/
return -EBUSY;
continue;
if (nid < 0)
nid = memory_add_physaddr_to_nid(info->start_addr);
......@@ -310,95 +251,21 @@ static int acpi_memory_remove_memory(struct acpi_memory_device *mem_device)
return result;
}
static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
{
struct acpi_memory_device *mem_device;
struct acpi_device *device;
struct acpi_eject_event *ej_event = NULL;
u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */
acpi_status status;
switch (event) {
case ACPI_NOTIFY_BUS_CHECK:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"\nReceived BUS CHECK notification for device\n"));
/* Fall Through */
case ACPI_NOTIFY_DEVICE_CHECK:
if (event == ACPI_NOTIFY_DEVICE_CHECK)
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"\nReceived DEVICE CHECK notification for device\n"));
if (acpi_memory_get_device(handle, &mem_device)) {
acpi_handle_err(handle, "Cannot find driver data\n");
break;
}
ost_code = ACPI_OST_SC_SUCCESS;
break;
case ACPI_NOTIFY_EJECT_REQUEST:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"\nReceived EJECT REQUEST notification for device\n"));
status = AE_ERROR;
acpi_scan_lock_acquire();
if (acpi_bus_get_device(handle, &device)) {
acpi_handle_err(handle, "Device doesn't exist\n");
goto unlock;
}
mem_device = acpi_driver_data(device);
if (!mem_device) {
acpi_handle_err(handle, "Driver Data is NULL\n");
goto unlock;
}
ej_event = kmalloc(sizeof(*ej_event), GFP_KERNEL);
if (!ej_event) {
pr_err(PREFIX "No memory, dropping EJECT\n");
goto unlock;
}
get_device(&device->dev);
ej_event->device = device;
ej_event->event = ACPI_NOTIFY_EJECT_REQUEST;
/* The eject is carried out asynchronously. */
status = acpi_os_hotplug_execute(acpi_bus_hot_remove_device,
ej_event);
if (ACPI_FAILURE(status)) {
put_device(&device->dev);
kfree(ej_event);
}
unlock:
acpi_scan_lock_release();
if (ACPI_SUCCESS(status))
return;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Unsupported event [0x%x]\n", event));
/* non-hotplug event; possibly handled by other handler */
return;
}
/* Inform firmware that the hotplug operation has completed */
(void) acpi_evaluate_hotplug_ost(handle, event, ost_code, NULL);
}
static void acpi_memory_device_free(struct acpi_memory_device *mem_device)
{
if (!mem_device)
return;
acpi_memory_free_device_resources(mem_device);
mem_device->device->driver_data = NULL;
kfree(mem_device);
}
static int acpi_memory_device_add(struct acpi_device *device)
static int acpi_memory_device_add(struct acpi_device *device,
const struct acpi_device_id *not_used)
{
struct acpi_memory_device *mem_device;
int result;
struct acpi_memory_device *mem_device = NULL;
if (!device)
return -EINVAL;
......@@ -423,147 +290,36 @@ static int acpi_memory_device_add(struct acpi_device *device)
/* Set the device state */
mem_device->state = MEMORY_POWER_ON_STATE;
pr_debug("%s\n", acpi_device_name(device));
result = acpi_memory_check_device(mem_device);
if (result) {
acpi_memory_device_free(mem_device);
return 0;
}
if (!acpi_memory_check_device(mem_device)) {
/* call add_memory func */
result = acpi_memory_enable_device(mem_device);
if (result) {
dev_err(&device->dev,
"Error in acpi_memory_enable_device\n");
acpi_memory_device_free(mem_device);
}
result = acpi_memory_enable_device(mem_device);
if (result) {
dev_err(&device->dev, "acpi_memory_enable_device() error\n");
acpi_memory_device_free(mem_device);
return -ENODEV;
}
return result;
dev_dbg(&device->dev, "Memory device configured by ACPI\n");
return 1;
}
static int acpi_memory_device_remove(struct acpi_device *device)
static void acpi_memory_device_remove(struct acpi_device *device)
{
struct acpi_memory_device *mem_device = NULL;
int result;
struct acpi_memory_device *mem_device;
if (!device || !acpi_driver_data(device))
return -EINVAL;
return;
mem_device = acpi_driver_data(device);
result = acpi_memory_remove_memory(mem_device);
if (result)
return result;
acpi_memory_remove_memory(mem_device);
acpi_memory_device_free(mem_device);
return 0;
}
/*
* Helper function to check for memory device
*/
static acpi_status is_memory_device(acpi_handle handle)
{
char *hardware_id;
acpi_status status;
struct acpi_device_info *info;
status = acpi_get_object_info(handle, &info);
if (ACPI_FAILURE(status))
return status;
if (!(info->valid & ACPI_VALID_HID)) {
kfree(info);
return AE_ERROR;
}
hardware_id = info->hardware_id.string;
if ((hardware_id == NULL) ||
(strcmp(hardware_id, ACPI_MEMORY_DEVICE_HID)))
status = AE_ERROR;
kfree(info);
return status;
}
static acpi_status
acpi_memory_register_notify_handler(acpi_handle handle,
u32 level, void *ctxt, void **retv)
{
acpi_status status;
status = is_memory_device(handle);
if (ACPI_FAILURE(status))
return AE_OK; /* continue */
status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
acpi_memory_device_notify, NULL);
/* continue */
return AE_OK;
}
static acpi_status
acpi_memory_deregister_notify_handler(acpi_handle handle,
u32 level, void *ctxt, void **retv)
{
acpi_status status;
status = is_memory_device(handle);
if (ACPI_FAILURE(status))
return AE_OK; /* continue */
status = acpi_remove_notify_handler(handle,
ACPI_SYSTEM_NOTIFY,
acpi_memory_device_notify);
return AE_OK; /* continue */
}
static int __init acpi_memory_device_init(void)
{
int result;
acpi_status status;
result = acpi_bus_register_driver(&acpi_memory_device_driver);
if (result < 0)
return -ENODEV;
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
acpi_memory_register_notify_handler, NULL,
NULL, NULL);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "walk_namespace failed"));
acpi_bus_unregister_driver(&acpi_memory_device_driver);
return -ENODEV;
}
return 0;
}
static void __exit acpi_memory_device_exit(void)
void __init acpi_memory_hotplug_init(void)
{
acpi_status status;
/*
* Adding this to un-install notification handlers for all the device
* handles.
*/
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
acpi_memory_deregister_notify_handler, NULL,
NULL, NULL);
if (ACPI_FAILURE(status))
ACPI_EXCEPTION((AE_INFO, status, "walk_namespace failed"));
acpi_bus_unregister_driver(&acpi_memory_device_driver);
return;
acpi_scan_add_handler_with_hotplug(&memory_device_handler, "memory");
}
module_init(acpi_memory_device_init);
module_exit(acpi_memory_device_exit);
drivers/acpi/acpi_pad.c
浏览文件 @ 5b4bdac9
......@@ -236,7 +236,7 @@ static int create_power_saving_task(void)
ps_tsks[ps_tsk_num] = kthread_run(power_saving_thread,
(void *)(unsigned long)ps_tsk_num,
"acpi_pad/%d", ps_tsk_num);
rc = IS_ERR(ps_tsks[ps_tsk_num]) ? PTR_ERR(ps_tsks[ps_tsk_num]) : 0;
rc = PTR_RET(ps_tsks[ps_tsk_num]);
if (!rc)
ps_tsk_num++;
else
......
drivers/acpi/acpi_platform.c
浏览文件 @ 5b4bdac9
......@@ -22,9 +22,6 @@
ACPI_MODULE_NAME("platform");
/* Flags for acpi_create_platform_device */
#define ACPI_PLATFORM_CLK BIT(0)
/*
* The following ACPI IDs are known to be suitable for representing as
* platform devices.
......@@ -33,33 +30,9 @@ static const struct acpi_device_id acpi_platform_device_ids[] = {
{ "PNP0D40" },
/* Haswell LPSS devices */
{ "INT33C0", ACPI_PLATFORM_CLK },
{ "INT33C1", ACPI_PLATFORM_CLK },
{ "INT33C2", ACPI_PLATFORM_CLK },
{ "INT33C3", ACPI_PLATFORM_CLK },
{ "INT33C4", ACPI_PLATFORM_CLK },
{ "INT33C5", ACPI_PLATFORM_CLK },
{ "INT33C6", ACPI_PLATFORM_CLK },
{ "INT33C7", ACPI_PLATFORM_CLK },
{ }
};
static int acpi_create_platform_clks(struct acpi_device *adev)
{
static struct platform_device *pdev;
/* Create Lynxpoint LPSS clocks */
if (!pdev && !strncmp(acpi_device_hid(adev), "INT33C", 6)) {
pdev = platform_device_register_simple("clk-lpt", -1, NULL, 0);
if (IS_ERR(pdev))
return PTR_ERR(pdev);
}
return 0;
}
/**
* acpi_create_platform_device - Create platform device for ACPI device node
* @adev: ACPI device node to create a platform device for.
......@@ -71,10 +44,9 @@ static int acpi_create_platform_clks(struct acpi_device *adev)
*
* Name of the platform device will be the same as @adev's.
*/
static int acpi_create_platform_device(struct acpi_device *adev,
const struct acpi_device_id *id)
int acpi_create_platform_device(struct acpi_device *adev,
const struct acpi_device_id *id)
{
unsigned long flags = id->driver_data;
struct platform_device *pdev = NULL;
struct acpi_device *acpi_parent;
struct platform_device_info pdevinfo;
......@@ -83,14 +55,6 @@ static int acpi_create_platform_device(struct acpi_device *adev,
struct resource *resources;
int count;
if (flags & ACPI_PLATFORM_CLK) {
int ret = acpi_create_platform_clks(adev);
if (ret) {
dev_err(&adev->dev, "failed to create clocks\n");
return ret;
}
}
/* If the ACPI node already has a physical device attached, skip it. */
if (adev->physical_node_count)
return 0;
......
drivers/acpi/acpica/Makefile
浏览文件 @ 5b4bdac9
......@@ -83,6 +83,7 @@ acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o
acpi-y += \
nsaccess.o \
nsalloc.o \
nsconvert.o \
nsdump.o \
nseval.o \
nsinit.o \
......
drivers/acpi/acpica/acglobal.h
浏览文件 @ 5b4bdac9
......@@ -413,10 +413,12 @@ ACPI_EXTERN u8 acpi_gbl_db_output_flags;
#ifdef ACPI_DISASSEMBLER
u8 ACPI_INIT_GLOBAL(acpi_gbl_ignore_noop_operator, FALSE);
ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_ignore_noop_operator, FALSE);
ACPI_EXTERN u8 acpi_gbl_db_opt_disasm;
ACPI_EXTERN u8 acpi_gbl_db_opt_verbose;
ACPI_EXTERN u8 acpi_gbl_num_external_methods;
ACPI_EXTERN u32 acpi_gbl_resolved_external_methods;
ACPI_EXTERN struct acpi_external_list *acpi_gbl_external_list;
ACPI_EXTERN struct acpi_external_file *acpi_gbl_external_file_list;
#endif
......
drivers/acpi/acpica/aclocal.h
浏览文件 @ 5b4bdac9
......@@ -363,6 +363,7 @@ struct acpi_predefined_data {
union acpi_operand_object *parent_package;
struct acpi_namespace_node *node;
u32 flags;
u32 return_btype;
u8 node_flags;
};
......@@ -371,6 +372,20 @@ struct acpi_predefined_data {
#define ACPI_OBJECT_REPAIRED 1
#define ACPI_OBJECT_WRAPPED 2
/* Return object auto-repair info */
typedef acpi_status(*acpi_object_converter) (union acpi_operand_object
*original_object,
union acpi_operand_object
**converted_object);
struct acpi_simple_repair_info {
char name[ACPI_NAME_SIZE];
u32 unexpected_btypes;
u32 package_index;
acpi_object_converter object_converter;
};
/*
* Bitmapped return value types
* Note: the actual data types must be contiguous, a loop in nspredef.c
......@@ -1037,6 +1052,7 @@ struct acpi_external_list {
u16 length;
u8 type;
u8 flags;
u8 resolved;
};
/* Values for Flags field above */
......
drivers/acpi/acpica/acmacros.h
浏览文件 @ 5b4bdac9
......@@ -322,10 +322,12 @@
* where a pointer to an object of type union acpi_operand_object can also
* appear. This macro is used to distinguish them.
*
* The "Descriptor" field is the first field in both structures.
* The "DescriptorType" field is the second field in both structures.
*/
#define ACPI_GET_DESCRIPTOR_PTR(d) (((union acpi_descriptor *)(void *)(d))->common.common_pointer)
#define ACPI_SET_DESCRIPTOR_PTR(d, p) (((union acpi_descriptor *)(void *)(d))->common.common_pointer = (p))
#define ACPI_GET_DESCRIPTOR_TYPE(d) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type)
#define ACPI_SET_DESCRIPTOR_TYPE(d, t) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = t)
#define ACPI_SET_DESCRIPTOR_TYPE(d, t) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = (t))
/*
* Macros for the master AML opcode table
......
drivers/acpi/acpica/acnamesp.h
浏览文件 @ 5b4bdac9
......@@ -166,6 +166,29 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent);
int acpi_ns_compare_names(char *name1, char *name2);
/*
* nsconvert - Dynamic object conversion routines
*/
acpi_status
acpi_ns_convert_to_integer(union acpi_operand_object *original_object,
union acpi_operand_object **return_object);
acpi_status
acpi_ns_convert_to_string(union acpi_operand_object *original_object,
union acpi_operand_object **return_object);
acpi_status
acpi_ns_convert_to_buffer(union acpi_operand_object *original_object,
union acpi_operand_object **return_object);
acpi_status
acpi_ns_convert_to_unicode(union acpi_operand_object *original_object,
union acpi_operand_object **return_object);
acpi_status
acpi_ns_convert_to_resource(union acpi_operand_object *original_object,
union acpi_operand_object **return_object);
/*
* nsdump - Namespace dump/print utilities
*/
......@@ -289,7 +312,7 @@ acpi_ns_get_attached_data(struct acpi_namespace_node *node,
* predefined methods/objects
*/
acpi_status
acpi_ns_repair_object(struct acpi_predefined_data *data,
acpi_ns_simple_repair(struct acpi_predefined_data *data,
u32 expected_btypes,
u32 package_index,
union acpi_operand_object **return_object_ptr);
......
drivers/acpi/acpica/acutils.h
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drivers/acpi/acpica/exprep.c
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drivers/acpi/acpica/exutils.c
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drivers/acpi/acpica/hwacpi.c
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drivers/acpi/acpica/nsconvert.c 0 → 100644
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drivers/acpi/acpica/nspredef.c
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drivers/acpi/acpica/nsprepkg.c
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drivers/acpi/acpica/nsrepair.c
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drivers/acpi/acpica/nsrepair2.c
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drivers/acpi/acpica/nsutils.c
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drivers/acpi/acpica/psargs.c
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drivers/acpi/acpica/utexcep.c
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drivers/acpi/acpica/utglobal.c
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drivers/acpi/battery.c
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drivers/acpi/bus.c
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drivers/acpi/button.c
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drivers/acpi/device_pm.c
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drivers/acpi/osl.c
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drivers/acpi/pci_link.c
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drivers/acpi/pci_root.c
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drivers/acpi/power.c
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drivers/acpi/processor_throttling.c
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drivers/acpi/sysfs.c
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drivers/acpi/video.c
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drivers/acpi/video_detect.c
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drivers/base/power/qos.c
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drivers/clk/x86/Makefile
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drivers/net/ethernet/broadcom/tg3.c
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drivers/net/ethernet/marvell/sky2.c
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drivers/net/ethernet/marvell/sky2.h
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drivers/net/ethernet/ti/cpsw.c
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drivers/net/usb/smsc75xx.c
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drivers/net/wireless/b43/dma.c
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drivers/net/wireless/b43/phy_n.c
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drivers/net/wireless/mwifiex/pcie.c
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drivers/nfc/microread/mei.c
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drivers/pci/pci-acpi.c
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drivers/pci/pci-driver.c
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drivers/pci/pcie/portdrv_pci.c
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drivers/pci/rom.c
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drivers/platform/x86/sony-laptop.c
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drivers/pnp/pnpacpi/rsparser.c
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drivers/rtc/rtc-at91rm9200.c
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drivers/rtc/rtc-at91rm9200.h
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drivers/s390/block/scm_blk.c
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drivers/s390/block/scm_drv.c
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drivers/s390/char/tty3270.c
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drivers/scsi/bnx2fc/bnx2fc_fcoe.c
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drivers/scsi/fcoe/fcoe.c
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drivers/scsi/fcoe/fcoe_ctlr.c
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drivers/scsi/libfc/fc_disc.c
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drivers/spi/Kconfig
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drivers/spi/spi-bcm63xx.c
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drivers/spi/spi-mpc512x-psc.c
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drivers/spi/spi-pxa2xx.c
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drivers/spi/spi-s3c64xx.c
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drivers/spi/spi-tegra20-slink.c
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drivers/spi/spi.c
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drivers/usb/core/port.c
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drivers/video/fbmon.c
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drivers/video/sh_mobile_lcdcfb.c
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drivers/video/uvesafb.c
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firmware/Makefile
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fs/block_dev.c
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fs/ext4/extents.c
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fs/ext4/indirect.c
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fs/gfs2/file.c
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fs/gfs2/incore.h
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fs/gfs2/lock_dlm.c
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fs/gfs2/rgrp.c
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fs/nfsd/nfs4xdr.c
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fs/reiserfs/xattr.c
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fs/ubifs/super.c
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include/acpi/acexcep.h
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include/acpi/acoutput.h
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include/acpi/acpi_bus.h
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include/acpi/acpi_drivers.h
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include/acpi/acpixf.h
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include/acpi/actbl2.h
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include/acpi/actbl3.h
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include/acpi/actypes.h
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include/linux/acpi.h
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include/linux/compat.h
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include/linux/devfreq.h
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include/linux/kvm_host.h
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include/linux/kvm_types.h
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include/linux/netdevice.h
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include/linux/pci.h
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include/linux/signal.h
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include/linux/skbuff.h
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include/scsi/libfc.h
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include/sound/max98090.h 100755 → 100644
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include/sound/soc-dapm.h
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ipc/msg.c
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mm/mmap.c
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mm/nommu.c
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net/core/dev.c
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net/core/dev_addr_lists.c
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net/core/flow.c
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net/core/rtnetlink.c
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net/ipv4/devinet.c
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net/ipv6/addrconf.c
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net/ipv6/ip6_input.c
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net/ipv6/netfilter/ip6t_NPT.c
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net/key/af_key.c
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net/mac80211/cfg.c
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net/mac80211/chan.c
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net/mac80211/ieee80211_i.h
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net/mac80211/iface.c
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net/mac80211/mesh.c
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net/mac80211/mlme.c
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net/mac80211/offchannel.c
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net/mac80211/rx.c
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net/mac80211/sta_info.c
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net/netfilter/nfnetlink_acct.c
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net/nfc/llcp/llcp.c
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net/nfc/llcp/sock.c
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net/sched/sch_cbq.c
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net/sched/sch_fq_codel.c
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net/sched/sch_generic.c
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net/unix/af_unix.c
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net/vmw_vsock/af_vsock.c
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net/vmw_vsock/vmci_transport.c
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net/vmw_vsock/vsock_addr.c
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net/vmw_vsock/vsock_addr.h
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net/wireless/core.c
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net/wireless/core.h
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net/wireless/nl80211.c
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net/wireless/scan.c
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net/wireless/sme.c
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net/wireless/trace.h
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net/wireless/wext-sme.c
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net/xfrm/xfrm_replay.c
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sound/pci/hda/hda_codec.c
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sound/pci/hda/hda_eld.c
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sound/pci/hda/hda_generic.c
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sound/pci/hda/hda_intel.c
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sound/pci/hda/patch_hdmi.c
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sound/pci/hda/patch_realtek.c
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sound/soc/codecs/max98090.c 100755 → 100644
浏览文件 @ 5b4bdac9
文件模式从 100755 更改为 100644
sound/soc/codecs/max98090.h 100755 → 100644
浏览文件 @ 5b4bdac9
文件模式从 100755 更改为 100644
sound/soc/codecs/si476x.c
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sound/soc/codecs/wm_adsp.c
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sound/soc/fsl/imx-ssi.c
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sound/soc/fsl/pcm030-audio-fabric.c
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sound/soc/sh/dma-sh7760.c
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sound/soc/soc-core.c
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sound/soc/soc-dapm.c
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sound/soc/spear/spear_pcm.c
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sound/usb/clock.c
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virt/kvm/kvm_main.c
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