Commit a24d025a authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: (29 commits)
  MIPS: Call oops_enter, oops_exit in die
  staging/octeon: Software should check the checksum of no tcp/udp packets
  MIPS: Octeon: Enable C0_UserLocal probing.
  MIPS: No branches in delay slots for huge pages in handle_tlbl
  MIPS: Don't clobber CP0_STATUS value for CONFIG_MIPS_MT_SMTC
  MIPS: Octeon: Select CONFIG_HOLES_IN_ZONE
  MIPS: PM: Use struct syscore_ops instead of sysdevs for PM (v2)
  MIPS: Compat: Use 32-bit wrapper for compat_sys_futex.
  MIPS: Do not use EXTRA_CFLAGS
  MIPS: Alchemy: DB1200: Disable cascade IRQ in handler
  SERIAL: Lantiq: Set timeout in uart_port
  MIPS: Lantiq: Fix setting the PCI bus speed on AR9
  MIPS: Lantiq: Fix external interrupt sources
  MIPS: tlbex: Fix build error in R3000 code.
  MIPS: Alchemy: Include Au1100 in PM code.
  MIPS: Alchemy: Fix typo in MAC0 registration
  MIPS: MSP71xx: Fix build error.
  MIPS: Handle __put_user() sleeping.
  MIPS: Allow forced irq threading
  MIPS: i8259: Mark cascade interrupt non-threaded
  ...
parents 3ee72ca9 8742cd23
......@@ -24,6 +24,7 @@ config MIPS
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
select HAVE_ARCH_JUMP_LABEL
select IRQ_FORCED_THREADING
menu "Machine selection"
......@@ -722,6 +723,7 @@ config CAVIUM_OCTEON_SIMULATOR
select SYS_SUPPORTS_HIGHMEM
select SYS_SUPPORTS_HOTPLUG_CPU
select SYS_HAS_CPU_CAVIUM_OCTEON
select HOLES_IN_ZONE
help
The Octeon simulator is software performance model of the Cavium
Octeon Processor. It supports simulating Octeon processors on x86
......@@ -744,6 +746,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
select ZONE_DMA32
select USB_ARCH_HAS_OHCI
select USB_ARCH_HAS_EHCI
select HOLES_IN_ZONE
help
This option supports all of the Octeon reference boards from Cavium
Networks. It builds a kernel that dynamically determines the Octeon
......@@ -973,6 +976,9 @@ config ISA_DMA_API
config GENERIC_GPIO
bool
config HOLES_IN_ZONE
bool
#
# Endianess selection. Sufficiently obscure so many users don't know what to
# answer,so we try hard to limit the available choices. Also the use of a
......
......@@ -492,7 +492,7 @@ static void __init alchemy_setup_macs(int ctype)
memcpy(au1xxx_eth0_platform_data.mac, ethaddr, 6);
ret = platform_device_register(&au1xxx_eth0_device);
if (!ret)
if (ret)
printk(KERN_INFO "Alchemy: failed to register MAC0\n");
......
......@@ -158,15 +158,21 @@ static void restore_core_regs(void)
void au_sleep(void)
{
int cpuid = alchemy_get_cputype();
if (cpuid != ALCHEMY_CPU_UNKNOWN) {
save_core_regs();
if (cpuid <= ALCHEMY_CPU_AU1500)
alchemy_sleep_au1000();
else if (cpuid <= ALCHEMY_CPU_AU1200)
alchemy_sleep_au1550();
restore_core_regs();
save_core_regs();
switch (alchemy_get_cputype()) {
case ALCHEMY_CPU_AU1000:
case ALCHEMY_CPU_AU1500:
case ALCHEMY_CPU_AU1100:
alchemy_sleep_au1000();
break;
case ALCHEMY_CPU_AU1550:
case ALCHEMY_CPU_AU1200:
alchemy_sleep_au1550();
break;
}
restore_core_regs();
}
#endif /* CONFIG_PM */
......@@ -89,8 +89,12 @@ static void bcsr_csc_handler(unsigned int irq, struct irq_desc *d)
{
unsigned short bisr = __raw_readw(bcsr_virt + BCSR_REG_INTSTAT);
disable_irq_nosync(irq);
for ( ; bisr; bisr &= bisr - 1)
generic_handle_irq(bcsr_csc_base + __ffs(bisr));
enable_irq(irq);
}
/* NOTE: both the enable and mask bits must be cleared, otherwise the
......
......@@ -23,13 +23,6 @@ void __init board_setup(void)
unsigned long freq0, clksrc, div, pfc;
unsigned short whoami;
/* Set Config[OD] (disable overlapping bus transaction):
* This gets rid of a _lot_ of spurious interrupts (especially
* wrt. IDE); but incurs ~10% performance hit in some
* cpu-bound applications.
*/
set_c0_config(1 << 19);
bcsr_init(DB1200_BCSR_PHYS_ADDR,
DB1200_BCSR_PHYS_ADDR + DB1200_BCSR_HEXLED_OFS);
......
......@@ -98,7 +98,8 @@ static struct irq_chip ar7_sec_irq_type = {
static struct irqaction ar7_cascade_action = {
.handler = no_action,
.name = "AR7 cascade interrupt"
.name = "AR7 cascade interrupt",
.flags = IRQF_NO_THREAD,
};
static void __init ar7_irq_init(int base)
......
......@@ -222,6 +222,7 @@ static struct irq_chip bcm63xx_external_irq_chip = {
static struct irqaction cpu_ip2_cascade_action = {
.handler = no_action,
.name = "cascade_ip2",
.flags = IRQF_NO_THREAD,
};
void __init arch_init_irq(void)
......
......@@ -48,6 +48,7 @@ asmlinkage void plat_irq_dispatch(void)
static struct irqaction cascade = {
.handler = no_action,
.name = "cascade",
.flags = IRQF_NO_THREAD,
};
void __init arch_init_irq(void)
......
......@@ -101,20 +101,24 @@ int cpu_fpu_mask = DEC_CPU_IRQ_MASK(DEC_CPU_INR_FPU);
static struct irqaction ioirq = {
.handler = no_action,
.name = "cascade",
.flags = IRQF_NO_THREAD,
};
static struct irqaction fpuirq = {
.handler = no_action,
.name = "fpu",
.flags = IRQF_NO_THREAD,
};
static struct irqaction busirq = {
.flags = IRQF_DISABLED,
.name = "bus error",
.flags = IRQF_NO_THREAD,
};
static struct irqaction haltirq = {
.handler = dec_intr_halt,
.name = "halt",
.flags = IRQF_NO_THREAD,
};
......
......@@ -169,7 +169,7 @@ void emma2rh_gpio_irq_init(void)
static struct irqaction irq_cascade = {
.handler = no_action,
.flags = 0,
.flags = IRQF_NO_THREAD,
.name = "cascade",
.dev_id = NULL,
.next = NULL,
......
......@@ -54,7 +54,6 @@
#define cpu_has_mips_r2_exec_hazard 0
#define cpu_has_dsp 0
#define cpu_has_mipsmt 0
#define cpu_has_userlocal 0
#define cpu_has_vint 0
#define cpu_has_veic 0
#define cpu_hwrena_impl_bits 0xc0000000
......
......@@ -13,7 +13,6 @@
#define __ASM_MACH_POWERTV_DMA_COHERENCE_H
#include <linux/sched.h>
#include <linux/version.h>
#include <linux/device.h>
#include <asm/mach-powertv/asic.h>
......
......@@ -195,9 +195,9 @@
* to cover the pipeline delay.
*/
.set mips32
mfc0 v1, CP0_TCSTATUS
mfc0 k0, CP0_TCSTATUS
.set mips0
LONG_S v1, PT_TCSTATUS(sp)
LONG_S k0, PT_TCSTATUS(sp)
#endif /* CONFIG_MIPS_MT_SMTC */
LONG_S $4, PT_R4(sp)
LONG_S $5, PT_R5(sp)
......
......@@ -18,7 +18,7 @@
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/sysdev.h>
#include <linux/syscore_ops.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/delay.h>
......@@ -86,7 +86,6 @@ struct jz_gpio_chip {
spinlock_t lock;
struct gpio_chip gpio_chip;
struct sys_device sysdev;
};
static struct jz_gpio_chip jz4740_gpio_chips[];
......@@ -459,49 +458,47 @@ static struct jz_gpio_chip jz4740_gpio_chips[] = {
JZ4740_GPIO_CHIP(D),
};
static inline struct jz_gpio_chip *sysdev_to_chip(struct sys_device *dev)
static void jz4740_gpio_suspend_chip(struct jz_gpio_chip *chip)
{
return container_of(dev, struct jz_gpio_chip, sysdev);
chip->suspend_mask = readl(chip->base + JZ_REG_GPIO_MASK);
writel(~(chip->wakeup), chip->base + JZ_REG_GPIO_MASK_SET);
writel(chip->wakeup, chip->base + JZ_REG_GPIO_MASK_CLEAR);
}
static int jz4740_gpio_suspend(struct sys_device *dev, pm_message_t state)
static int jz4740_gpio_suspend(void)
{
struct jz_gpio_chip *chip = sysdev_to_chip(dev);
int i;
chip->suspend_mask = readl(chip->base + JZ_REG_GPIO_MASK);
writel(~(chip->wakeup), chip->base + JZ_REG_GPIO_MASK_SET);
writel(chip->wakeup, chip->base + JZ_REG_GPIO_MASK_CLEAR);
for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); i++)
jz4740_gpio_suspend_chip(&jz4740_gpio_chips[i]);
return 0;
}
static int jz4740_gpio_resume(struct sys_device *dev)
static void jz4740_gpio_resume_chip(struct jz_gpio_chip *chip)
{
struct jz_gpio_chip *chip = sysdev_to_chip(dev);
uint32_t mask = chip->suspend_mask;
writel(~mask, chip->base + JZ_REG_GPIO_MASK_CLEAR);
writel(mask, chip->base + JZ_REG_GPIO_MASK_SET);
}
return 0;
static void jz4740_gpio_resume(void)
{
int i;
for (i = ARRAY_SIZE(jz4740_gpio_chips) - 1; i >= 0 ; i--)
jz4740_gpio_resume_chip(&jz4740_gpio_chips[i]);
}
static struct sysdev_class jz4740_gpio_sysdev_class = {
.name = "gpio",
static struct syscore_ops jz4740_gpio_syscore_ops = {
.suspend = jz4740_gpio_suspend,
.resume = jz4740_gpio_resume,
};
static int jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
static void jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
{
int ret, irq;
chip->sysdev.id = id;
chip->sysdev.cls = &jz4740_gpio_sysdev_class;
ret = sysdev_register(&chip->sysdev);
if (ret)
return ret;
int irq;
spin_lock_init(&chip->lock);
......@@ -519,22 +516,17 @@ static int jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
irq_set_chip_and_handler(irq, &jz_gpio_irq_chip,
handle_level_irq);
}
return 0;
}
static int __init jz4740_gpio_init(void)
{
unsigned int i;
int ret;
ret = sysdev_class_register(&jz4740_gpio_sysdev_class);
if (ret)
return ret;
for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); ++i)
jz4740_gpio_chip_init(&jz4740_gpio_chips[i], i);
register_syscore_ops(&jz4740_gpio_syscore_ops);
printk(KERN_INFO "JZ4740 GPIO initialized\n");
return 0;
......
......@@ -19,6 +19,26 @@
#include <asm-generic/sections.h>
#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT)
#define MCOUNT_OFFSET_INSNS 5
#else
#define MCOUNT_OFFSET_INSNS 4
#endif
/*
* Check if the address is in kernel space
*
* Clone core_kernel_text() from kernel/extable.c, but doesn't call
* init_kernel_text() for Ftrace doesn't trace functions in init sections.
*/
static inline int in_kernel_space(unsigned long ip)
{
if (ip >= (unsigned long)_stext &&
ip <= (unsigned long)_etext)
return 1;
return 0;
}
#ifdef CONFIG_DYNAMIC_FTRACE
#define JAL 0x0c000000 /* jump & link: ip --> ra, jump to target */
......@@ -54,20 +74,6 @@ static inline void ftrace_dyn_arch_init_insns(void)
#endif
}
/*
* Check if the address is in kernel space
*
* Clone core_kernel_text() from kernel/extable.c, but doesn't call
* init_kernel_text() for Ftrace doesn't trace functions in init sections.
*/
static inline int in_kernel_space(unsigned long ip)
{
if (ip >= (unsigned long)_stext &&
ip <= (unsigned long)_etext)
return 1;
return 0;
}
static int ftrace_modify_code(unsigned long ip, unsigned int new_code)
{
int faulted;
......@@ -112,11 +118,6 @@ static int ftrace_modify_code(unsigned long ip, unsigned int new_code)
* 1: offset = 4 instructions
*/
#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT)
#define MCOUNT_OFFSET_INSNS 5
#else
#define MCOUNT_OFFSET_INSNS 4
#endif
#define INSN_B_1F (0x10000000 | MCOUNT_OFFSET_INSNS)
int ftrace_make_nop(struct module *mod,
......
......@@ -229,7 +229,7 @@ static void i8259A_shutdown(void)
*/
if (i8259A_auto_eoi >= 0) {
outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */
outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-1 */
outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-2 */
}
}
......@@ -295,6 +295,7 @@ static void init_8259A(int auto_eoi)
static struct irqaction irq2 = {
.handler = no_action,
.name = "cascade",
.flags = IRQF_NO_THREAD,
};
static struct resource pic1_io_resource = {
......
......@@ -349,3 +349,10 @@ SYSCALL_DEFINE6(32_fanotify_mark, int, fanotify_fd, unsigned int, flags,
return sys_fanotify_mark(fanotify_fd, flags, merge_64(a3, a4),
dfd, pathname);
}
SYSCALL_DEFINE6(32_futex, u32 __user *, uaddr, int, op, u32, val,
struct compat_timespec __user *, utime, u32 __user *, uaddr2,
u32, val3)
{
return compat_sys_futex(uaddr, op, val, utime, uaddr2, val3);
}
......@@ -315,7 +315,7 @@ EXPORT(sysn32_call_table)
PTR sys_fremovexattr
PTR sys_tkill
PTR sys_ni_syscall
PTR compat_sys_futex
PTR sys_32_futex
PTR compat_sys_sched_setaffinity /* 6195 */
PTR compat_sys_sched_getaffinity
PTR sys_cacheflush
......
......@@ -441,7 +441,7 @@ sys_call_table:
PTR sys_fremovexattr /* 4235 */
PTR sys_tkill
PTR sys_sendfile64
PTR compat_sys_futex
PTR sys_32_futex
PTR compat_sys_sched_setaffinity
PTR compat_sys_sched_getaffinity /* 4240 */
PTR compat_sys_io_setup
......
......@@ -8,6 +8,7 @@
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
*/
#include <linux/cache.h>
#include <linux/irqflags.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/personality.h>
......@@ -658,6 +659,8 @@ static void do_signal(struct pt_regs *regs)
asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
__u32 thread_info_flags)
{
local_irq_enable();
/* deal with pending signal delivery */
if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
do_signal(regs);
......
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